:root {
    --primary: #1e3a8a;
    --primary-light: #3b82f6;
    --primary-dark: #172554;
    --accent: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #facc15;
    --info: #0ea5e9;
    --background: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.8);
    --text-main: #0f172a;
    --text-muted: #64748b;
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===============================
   LANDING PAGE (marketing)
================================ */
body.landing-mode #main-nav,
body.landing-mode #timetable-page,
body.landing-mode #course-schema-page,
body.landing-mode #manage-data-page {
    display: none !important;
}

body:not(.landing-mode) #landing-page {
    display: none !important;
}

/* ===============================
   ATOS LANDING (from csspage.html)
   Scoped to #landing-page so app UI is untouched
================================ */
#landing-page.atos-landing {
    --primary: #1e3a8a;
    --secondary: #059669;
    --accent: #7c3aed;
    --dark: #0f172a;
    --light: #ffffff;
    --off-white: #f8fafc;
    background: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

#landing-page.atos-landing .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Simplified Navigation */
#landing-page.atos-landing #mainNav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #e2e8f0;
    padding: 16px 0;
}

#landing-page.atos-landing #mainNav .nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

#landing-page.atos-landing #mainNav .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #0f172a;
    font-weight: 800;
    font-size: 22px;
    letter-spacing: -0.02em;
}

#landing-page.atos-landing #mainNav .logo-icon {
    width: 32px;
    height: 32px;
    background: #1e3a8a;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
}

#landing-page.atos-landing #mainNav .nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

#landing-page.atos-landing #mainNav .nav-links a {
    color: #64748b;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
}

#landing-page.atos-landing #mainNav .nav-links a:hover {
    color: #1e3a8a;
}

@media (max-width: 768px) {
    #landing-page.atos-landing #mainNav .nav-links a {
        display: none;
    }
    #landing-page.atos-landing #mainNav .nav-links .btn {
        padding: 8px 16px;
        font-size: 13px;
    }
}

/* Light Hero Section */
#landing-page.atos-landing .hero {
    padding: 80px 0 140px;
    background: #ffffff;
    background-image: radial-gradient(#e2e8f0 1px, transparent 1px);
    background-size: 40px 40px;
    color: #0f172a;
    position: relative;
    overflow: hidden;
}

#landing-page.atos-landing .hero-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 60px;
}

#landing-page.atos-landing .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    color: #475569;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

#landing-page.atos-landing .hero-content h1 {
    font-size: 64px;
    line-height: 1.1;
    margin-bottom: 24px;
    color: #0f172a;
    font-weight: 800;
    letter-spacing: -0.03em;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

#landing-page.atos-landing .hero-content h1 span {
    color: #1e3a8a;
    display: inline;
}

#landing-page.atos-landing .hero-content p {
    font-size: 20px;
    color: #475569;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

#landing-page.atos-landing .hero-btns {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
    justify-content: center;
}

#landing-page.atos-landing .hero-image {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

#landing-page.atos-landing .floating-element {
    position: absolute;
    background: #ffffff;
    padding: 12px 16px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    gap: 12px;
    color: #0f172a;
    z-index: 10;
    border: 1px solid #e2e8f0;
}

#landing-page.atos-landing .fe-1 {
    top: -20px;
    right: -20px;
    animation: float 6s ease-in-out infinite;
}

#landing-page.atos-landing .fe-2 {
    bottom: 20px;
    left: -40px;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Sections */
#landing-page.atos-landing .section-title {
    text-align: center;
    margin-bottom: 80px;
}

#landing-page.atos-landing .section-title h2 {
    font-size: 42px;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

#landing-page.atos-landing .section-title p {
    color: #64748b;
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto;
}

#landing-page.atos-landing .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

#landing-page.atos-landing .feature-card {
    background: #fff;
    padding: 48px 40px;
    border-radius: 24px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    text-align: center;
    border: 1px solid #f1f5f9;
    transition: all 0.3s ease;
}

#landing-page.atos-landing .feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
    border-color: #e2e8f0;
}

#landing-page.atos-landing .feature-icon {
    width: 64px;
    height: 64px;
    background: #f8fafc;
    color: #1e3a8a;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    font-size: 24px;
    margin: 0 auto 32px;
    border: 1px solid #e2e8f0;
}

#landing-page.atos-landing .feature-card h3 {
    color: #0f172a;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
}

#landing-page.atos-landing .feature-card p {
    color: #64748b;
    font-size: 16px;
    line-height: 1.6;
}

/* Light Stats Section */
#landing-page.atos-landing .stats {
    padding: 120px 0;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
    margin: 80px 0;
}

#landing-page.atos-landing .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    text-align: center;
}

#landing-page.atos-landing .stat-num {
    font-size: 56px;
    font-weight: 800;
    color: #1e3a8a;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

#landing-page.atos-landing .stat-label {
    font-size: 14px;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
}

/* Light CTA Section */
#landing-page.atos-landing .cta {
    padding: 100px 0 140px;
}

#landing-page.atos-landing .cta-box {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 32px;
    padding: 80px 40px;
    text-align: center;
    color: #0f172a;
    box-shadow: 0 20px 50px rgba(0,0,0,0.04);
}

#landing-page.atos-landing .cta-box h2 {
    font-size: 48px;
    margin-bottom: 24px;
    color: #0f172a;
    font-weight: 800;
    letter-spacing: -0.02em;
}

#landing-page.atos-landing .cta-box p {
    font-size: 20px;
    color: #475569;
    margin: 0 auto 48px;
    max-width: 600px;
}

/* Minimalist Buttons */
#landing-page.atos-landing .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
    text-decoration: none;
    border: none;
    font-size: 15px;
}

#landing-page.atos-landing .btn-primary {
    background: #1e3a8a;
    color: #ffffff;
}

#landing-page.atos-landing .btn-primary:hover {
    background: #172554;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(30, 58, 138, 0.15);
}

#landing-page.atos-landing .btn-outline {
    background: transparent;
    border: 1px solid #e2e8f0;
    color: #0f172a;
}

#landing-page.atos-landing .btn-outline:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

#landing-page.atos-landing .btn-lg {
    padding: 16px 36px;
    font-size: 17px;
}

#landing-page.atos-landing .btn-white {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    color: #0f172a;
}

#landing-page.atos-landing .btn-white:hover {
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

/* Simplified Slider */
#landing-page.atos-landing .atos-slider {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0,0,0,0.1);
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

#landing-page.atos-landing .atos-slider-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

#landing-page.atos-landing .atos-slide {
    min-width: 100%;
    position: relative;
    display: block !important;
}

#landing-page.atos-landing .atos-slide img {
    width: 100%;
    height: auto;
    display: block;
}

#landing-page.atos-landing .slide-caption {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background: #ffffff;
    color: #0f172a;
    padding: 10px 20px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

#landing-page.atos-landing .atos-slider-dots {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 32px;
}

#landing-page.atos-landing .atos-dot {
    width: 10px;
    height: 10px;
    background: #e2e8f0;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

#landing-page.atos-landing .atos-dot.is-active {
    background: #1e3a8a;
    width: 24px;
    border-radius: 10px;
}

/* Landing Proofs */
#landing-page.atos-landing .lp-mini-proof {
    display: flex;
    gap: 32px;
    margin-top: 24px;
}

#landing-page.atos-landing .lp-proof-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: #64748b;
}

#landing-page.atos-landing .lp-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

#landing-page.atos-landing .lp-dot-green { background: #10b981; }
#landing-page.atos-landing .lp-dot-blue { background: #3b82f6; }

/* Responsive Improvements */
@media (max-width: 1024px) {
    #landing-page.atos-landing .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    #landing-page.atos-landing .hero-content h1 {
        text-align: center;
        font-size: 48px;
    }
    #landing-page.atos-landing .hero-content p {
        margin: 0 auto 40px;
    }
    #landing-page.atos-landing .hero-btns {
        justify-content: center;
    }
    #landing-page.atos-landing .lp-mini-proof {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    #landing-page.atos-landing .hero-content h1 {
        font-size: 36px;
    }
    #landing-page.atos-landing .cta-box h2 {
        font-size: 32px;
    }
}

/* Footer & Feedback Refined */
#landing-page.atos-landing footer {
    background: #ffffff;
    color: #0f172a;
    padding: 100px 0 60px;
    border-top: 1px solid #e2e8f0;
}

#landing-page.atos-landing .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 64px;
    margin-bottom: 80px;
}

#landing-page.atos-landing .footer-brand p {
    color: #64748b;
    margin: 24px 0;
    font-size: 15px;
    line-height: 1.6;
    max-width: 320px;
}

#landing-page.atos-landing .footer-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 32px;
    color: #0f172a;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

#landing-page.atos-landing .footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

#landing-page.atos-landing .footer-links li {
    margin-bottom: 16px;
    color: #64748b;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
}

#landing-page.atos-landing .footer-links i {
    width: 20px;
    color: #1e3a8a;
    font-size: 16px;
}

#landing-page.atos-landing .footer-links a {
    color: #64748b;
    text-decoration: none;
    transition: all 0.2s;
}

#landing-page.atos-landing .footer-links a:hover {
    color: #1e3a8a;
    padding-left: 4px;
}

#landing-page.atos-landing .footer-bottom {
    padding-top: 40px;
    border-top: 1px solid #f1f5f9;
    text-align: center;
    color: #94a3b8;
    font-size: 14px;
}

#landing-page.atos-landing .lp-section-kicker {
    color: #1e3a8a;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 13px;
    margin-bottom: 16px;
}

#landing-page.atos-landing .lp-list li {
    font-size: 17px;
    color: #475569;
}

#landing-page.atos-landing .atos-feedback {
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
    padding: 80px 0;
}

#landing-page.atos-landing .atos-feedback-title {
    font-size: 32px;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

#landing-page.atos-landing .atos-feedback-sub {
    color: #64748b;
    font-size: 18px;
    margin-bottom: 48px;
}

#landing-page.atos-landing .atos-feedback-form {
    max-width: 600px;
    margin: 0 auto;
    display: grid;
    gap: 20px;
}

#landing-page.atos-landing .atos-feedback-input,
#landing-page.atos-landing .atos-feedback-textarea {
    width: 100%;
    padding: 16px;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    background: #ffffff;
    font-family: inherit;
    font-size: 16px;
    transition: all 0.2s ease;
}

#landing-page.atos-landing .atos-feedback-input:focus,
#landing-page.atos-landing .atos-feedback-textarea:focus {
    outline: none;
    border-color: #1e3a8a;
    box-shadow: 0 0 0 4px rgba(30, 58, 138, 0.05);
}

@media (max-width: 768px) {
    #landing-page.atos-landing .footer-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

/* Highlight effect for missing institute */
.highlight-pulse {
    border: 2px solid #3b82f6 !important;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
    animation: pulse-border 2s infinite;
}

@keyframes pulse-border {
    0% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(59, 130, 246, 0); }
    100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

.landing-page {
    min-height: 100vh;
    background:
        radial-gradient(1200px 600px at 15% 10%, rgba(59, 130, 246, 0.20), transparent 60%),
        radial-gradient(900px 500px at 85% 20%, rgba(16, 185, 129, 0.18), transparent 60%),
        linear-gradient(180deg, #f8fafc 0%, #eef2ff 70%, #f8fafc 100%);
    color: #0f172a;
}

/* Small corner brand label (app pages) */
.atos-corner-brand {
    position: absolute;
    top: 10px;
    left: 12px;
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.02em;
    color: rgba(15, 23, 42, 0.78);
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 10px;
    padding: 4px 8px;
    backdrop-filter: blur(8px);
    z-index: 5;
    pointer-events: none;
}

#timetable-page > header,
#course-schema-page > header,
#manage-data-page > header {
    position: relative;
}

/* Timetable header: ATOS above institute name */
.tt-app-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin: 0;
}

.tt-atos-mini {
    font-size: 18px;
    font-weight: 1000;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #f97316; /* bright */
    line-height: 1;
}

.tt-inst-name {
    font-size: 28px;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: #ffffff;
    line-height: 1.1;
}

.lp-topbar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 22px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.lp-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.lp-logo {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    letter-spacing: 0.02em;
    color: #fff;
    background: linear-gradient(135deg, var(--primary) 0%, #059669 100%);
    box-shadow: 0 10px 25px rgba(30, 58, 138, 0.18);
    flex: 0 0 auto;
}

.lp-brand-name {
    font-size: 14px;
    font-weight: 900;
    line-height: 1.1;
}

.lp-brand-sub {
    font-size: 12px;
    color: #64748b;
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 420px;
}

.lp-top-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.lp-link {
    color: #1e3a8a;
    font-weight: 800;
    font-size: 13px;
    text-decoration: none;
}

.lp-link:hover {
    text-decoration: underline;
}

.lp-link-btn {
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
}

.lp-btn {
    border: 1px solid #e2e8f0;
    background: #fff;
    color: #0f172a;
    border-radius: 12px;
    padding: 10px 14px;
    font-weight: 850;
    font-size: 13px;
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.06);
    transition: transform 0.08s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.lp-btn:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
}

.lp-btn:active {
    transform: translateY(1px);
}

.lp-btn-primary {
    border: none;
    color: #fff;
    background: linear-gradient(135deg, var(--primary) 0%, #059669 100%);
}

.lp-btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #047857 100%);
}

.lp-btn-secondary {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(10px);
}

.lp-btn-lg {
    padding: 12px 16px;
    font-size: 14px;
    border-radius: 14px;
}

.lp-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 18px 22px 18px;
}

.lp-hero {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 18px;
    align-items: center;
    padding: 18px 0 10px 0;
}

.lp-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(224, 231, 255, 0.7);
    border: 1px solid #c7d2fe;
    color: #1e3a8a;
    font-weight: 900;
    font-size: 12px;
}

.lp-title {
    margin: 14px 0 10px 0;
    font-size: 44px;
    font-weight: 1000;
    letter-spacing: -0.03em;
    line-height: 1.05;
}

.lp-subtitle {
    margin: 0;
    font-size: 15px;
    color: #475569;
    line-height: 1.55;
    max-width: 54ch;
}

.lp-cta-row {
    display: flex;
    gap: 10px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.lp-mini-proof {
    margin-top: 14px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    font-size: 13px;
    color: #334155;
}

.lp-proof-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lp-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    flex: 0 0 auto;
}
.lp-dot-green { background: #10b981; }
.lp-dot-blue { background: #3b82f6; }
.lp-dot-purple { background: #8b5cf6; }

.lp-hero-right {
    justify-self: stretch;
}

.lp-hero--new .lp-title {
    font-size: 56px;
    letter-spacing: -0.04em;
}

.lp-hero-tagline {
    margin-top: -2px;
    font-size: 14px;
    font-weight: 950;
    color: rgba(30, 58, 138, 0.95);
    letter-spacing: 0.02em;
}

.lp-kpis {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 16px;
    margin-bottom: 6px;
}

.lp-kpi-card {
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 16px;
    padding: 12px 12px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.lp-kpi-num {
    font-weight: 1000;
    font-size: 18px;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.lp-kpi-label {
    margin-top: 2px;
    font-weight: 950;
    font-size: 12px;
    color: #1e3a8a;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.lp-kpi-sub {
    margin-top: 4px;
    font-size: 12px;
    color: #64748b;
    line-height: 1.35;
}

.lp-shot-stack {
    display: grid;
    gap: 10px;
}

.lp-shot-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.lp-shot-card--big {
    border-radius: 18px;
}

.lp-shot-card {
    position: relative;
    border-radius: 16px;
    border: 1px solid rgba(226, 232, 240, 0.9);
    background: rgba(255, 255, 255, 0.75);
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
    overflow: hidden;
}

.lp-shot-badge {
    position: absolute;
    left: 10px;
    bottom: 10px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.75);
    color: #fff;
    font-weight: 900;
    font-size: 12px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lp-shot {
    width: 100%;
    height: auto;
    display: block;
}

.lp-shot-caption {
    margin-top: 10px;
    font-size: 12px;
    color: #64748b;
}

.lp-features {
    padding: 22px 0 8px 0;
}

.lp-section-head {
    margin-bottom: 12px;
}

.lp-section-sub {
    margin-top: 6px;
    color: #475569;
    font-size: 14px;
    max-width: 70ch;
    line-height: 1.55;
}

.lp-feat-grid--heavy {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.lp-feat-grid--heavy .lp-feat-card {
    padding: 18px 18px;
    border-radius: 18px;
}

.lp-feat-grid--heavy .lp-feat-icon {
    width: 42px;
    height: 42px;
    border-radius: 16px;
    background: rgba(224, 231, 255, 0.75);
}

.lp-feat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.lp-feat-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 16px;
    padding: 16px 16px;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
}

.lp-feat-icon {
    width: 38px;
    height: 38px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #eef2ff;
    border: 1px solid #e0e7ff;
    color: #1e3a8a;
    font-size: 18px;
    margin-bottom: 10px;
}

.lp-feat-title {
    font-size: 15px;
    font-weight: 950;
    margin-bottom: 6px;
}

.lp-feat-desc {
    font-size: 13px;
    color: #475569;
    line-height: 1.45;
}

.lp-screens {
    padding: 22px 0 10px 0;
}

.lp-screens-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 14px;
    align-items: center;
}

.lp-section-kicker {
    font-weight: 950;
    color: #1e3a8a;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.lp-section-title {
    margin: 8px 0 10px 0;
    font-size: 26px;
    font-weight: 1000;
    letter-spacing: -0.02em;
}

.lp-list {
    margin: 0;
    padding-left: 18px;
    color: #334155;
    line-height: 1.6;
    font-size: 14px;
}

.lp-links {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 14px;
    flex-wrap: wrap;
}

.lp-login {
    padding: 26px 0 10px 0;
}

.lp-login-shell {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.10) 0%, rgba(5, 150, 105, 0.10) 100%);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 22px;
    padding: 18px 18px;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.10);
}

.lp-login-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 12px;
    margin-top: 12px;
    align-items: start;
}

.lp-login-card {
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 18px;
    padding: 16px 16px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.lp-login-card-title {
    font-size: 16px;
    font-weight: 1000;
    letter-spacing: -0.02em;
}

.lp-login-card-sub {
    margin-top: 6px;
    font-size: 13px;
    color: #475569;
    line-height: 1.5;
}

.lp-login-btn {
    width: 100%;
    margin-top: 12px;
    justify-content: center;
}

.lp-login-hint {
    margin-top: 10px;
    font-size: 12px;
    color: #64748b;
    line-height: 1.45;
}

.lp-login-roles {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.lp-role-card {
    background: rgba(255, 255, 255, 0.70);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 18px;
    padding: 16px 16px;
}

.lp-role-title {
    font-weight: 1000;
    font-size: 14px;
    color: #0f172a;
    margin-bottom: 8px;
}

.lp-role-list {
    margin: 0;
    padding-left: 18px;
    font-size: 13px;
    color: #334155;
    line-height: 1.6;
}

.lp-faq {
    padding: 22px 0 8px 0;
}

.lp-faq-grid {
    margin-top: 12px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.lp-faq-item {
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 16px;
    padding: 14px 14px;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
}

.lp-faq-item summary {
    cursor: pointer;
    font-weight: 950;
    color: #0f172a;
    list-style: none;
}

.lp-faq-item summary::-webkit-details-marker {
    display: none;
}

.lp-faq-body {
    margin-top: 10px;
    color: #475569;
    font-size: 13px;
    line-height: 1.55;
}

.lp-cta-strip {
    margin-top: 18px;
    padding: 18px 0 18px 0;
}

.lp-cta-strip-inner {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.10) 0%, rgba(5, 150, 105, 0.10) 100%);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 18px;
    padding: 16px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.lp-cta-strip-title {
    font-size: 16px;
    font-weight: 1000;
    color: #0f172a;
}

.lp-cta-strip-sub {
    margin-top: 4px;
    font-size: 13px;
    color: #475569;
}

.lp-footer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 22px 18px 28px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: #64748b;
    font-size: 12px;
}

.lp-footer-links {
    display: flex;
    gap: 12px;
    align-items: center;
}

@media (max-width: 980px) {
    .lp-hero {
        grid-template-columns: 1fr;
    }
    .lp-title {
        font-size: 38px;
    }
    .lp-screens-grid {
        grid-template-columns: 1fr;
    }
    .lp-feat-grid {
        grid-template-columns: 1fr;
    }
    .lp-kpis {
        grid-template-columns: 1fr;
    }
    .lp-shot-row {
        grid-template-columns: 1fr;
    }
    .lp-login-grid {
        grid-template-columns: 1fr;
    }
    .lp-login-roles {
        grid-template-columns: 1fr;
    }
    .lp-faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 520px) {
    .lp-title { font-size: 32px; }
    .lp-top-actions { gap: 8px; }
    .lp-btn { padding: 9px 12px; }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--background);
    background-image:
        radial-gradient(at 0% 0%, rgba(30, 58, 138, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(59, 130, 246, 0.05) 0px, transparent 50%);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
}

.app-footer {
    margin-top: 30px;
    padding: 14px 16px;
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid rgba(148, 163, 184, 0.35);
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

/* ===============================
   NAVIGATION
================================ */
#main-nav {
    background: rgba(13, 59, 102, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 0;
    display: flex;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.auth-status-bar {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 10px;
}
.auth-badge {
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.92);
    border: 1px solid rgba(255,255,255,0.18);
    max-width: 360px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.auth-badge-role {
    background: rgba(245, 158, 11, 0.18);
    border-color: rgba(245, 158, 11, 0.25);
}

/* Manage Data page specifically needs darker auth badges due to light header */
#manage-data-page .auth-badge {
    background: rgba(15, 23, 42, 0.08);
    color: #0f172a;
    border-color: rgba(15, 23, 42, 0.15);
}

#manage-data-page .auth-badge-role {
    background: rgba(245, 158, 11, 0.15);
    color: #92400e;
    border-color: rgba(245, 158, 11, 0.3);
}

.nav-btn {
    padding: 16px 28px;
    border: none;
    background-color: transparent;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-btn:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-btn.active {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.15);
}

.nav-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent);
    border-radius: 4px 4px 0 0;
}

/* ===============================
   PAGES
================================ */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* ===============================
   HEADER
================================ */
header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    padding: 40px 20px;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

header h1 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

header p {
    font-size: 16px;
    opacity: 0.85;
    font-weight: 300;
}

/* ===============================
   SECTIONS
================================ */
section {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    margin: 20px auto;
    padding: 24px;
    width: 95%;
    max-width: 1240px;
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
}

section:hover {
    box-shadow: 0 12px 40px rgba(31, 38, 135, 0.12);
}

/* ===============================
   UPLOAD SECTION
================================ */
#upload-section h2 {
    margin-bottom: 20px;
    color: #1f3c88;
}

#upload-section h3 {
    font-size: 16px;
    margin-top: 15px;
    margin-bottom: 12px;
    color: #333;
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 8px;
}

.upload-group {
    margin-bottom: 20px;
}

.individual-upload {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    padding: 10px;
    background-color: #f9f9f9;
    border-radius: 4px;
}

.individual-upload label {
    min-width: 150px;
    font-weight: 500;
    color: #555;
}

.individual-upload input {
    flex: 1;
    padding: 6px;
    border: 1px solid #ddd;
    border-radius: 3px;
}

.individual-upload button {
    padding: 6px 12px;
    border: none;
    border-radius: 3px;
    background-color: #28a745;
    color: #fff;
    cursor: pointer;
    white-space: nowrap;
    font-size: 13px;
}

.individual-upload button:hover {
    background-color: #218838;
}

#downloadTemplateBtn {
    padding: 7px 14px;
    margin-left: 10px;
    border: none;
    border-radius: 4px;
    background-color: #17a2b8;
    color: #fff;
    cursor: pointer;
}

#downloadTemplateBtn:hover {
    background-color: #138496;
}

.btn-download-template {
    padding: 7px 14px;
    margin-left: 8px;
    border: none;
    border-radius: 4px;
    background-color: #17a2b8;
    color: #fff;
    cursor: pointer;
    font-size: 13px;
    white-space: nowrap;
}

.btn-download-template:hover {
    background-color: #138496;
}

#uploadBtn {
    padding: 7px 14px;
    margin-left: 10px;
    border: none;
    border-radius: 4px;
    background-color: #1f3c88;
    color: #fff;
    cursor: pointer;
}

#uploadBtn:hover {
    background-color: #162c63;
}

/* ===============================
   VIEW SELECTOR
================================ */
/* Current view / context – shown primarily */
.current-context-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: #fff;
    padding: 12px 20px;
    border-radius: 0;
    margin-bottom: 0;
    box-shadow: 0 2px 8px rgba(30, 58, 138, 0.25);
    position: sticky;
    top: 56px; /* below main-nav */
    z-index: 990;
}

#current-context-display {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.undo-redo-toolbar {
    display: flex;
    gap: 8px;
    align-items: center;
}

.view-title-secondary {
    font-size: 1rem !important;
    color: var(--text-muted) !important;
    margin-bottom: 10px !important;
}

.view-title-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.view-controls {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 10px;
}

.view-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #374151;
    cursor: pointer;
    user-select: none;
}

.view-toggle input {
    cursor: pointer;
}

#view-selector {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    position: sticky;
    top: 104px; /* below main-nav (~56px) + context-bar (~48px) */
    z-index: 980;
    background: var(--background);
    padding: 10px 20px;
    margin: 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

#view-selector button {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    background-color: #e2e8f0;
    color: var(--text-muted);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

#view-selector button.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
}

#view-selector button:hover:not(.active) {
    background-color: #cbd5e1;
    color: var(--text-main);
    transform: translateY(-1px);
}

/* ===============================
   TIMETABLE SECTION
================================ */
#timetable-container {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    margin: 20px auto;
    padding: 24px;
    width: 95%;
    max-width: 1440px;
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
}

/* ===============================
   TIMETABLE — FULL VIEW MODE
   =============================== */
body.tt-fullview {
    overflow: hidden;
}

body.tt-fullview #main-nav,
body.tt-fullview #timetable-page > header,
body.tt-fullview #current-context-bar,
body.tt-fullview #view-selector,
body.tt-fullview .view-title-row {
    display: none !important;
}

body.tt-fullview #timetable-container {
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
}

body.tt-fullview #timetable-layout {
    grid-template-columns: 1fr !important;
    min-height: auto !important;
}

/* Full View shell: contains sidebar + grid so sidebar can be used */
#ttFullViewShell {
    display: none;
}

body.tt-fullview #ttFullViewShell {
    position: fixed;
    inset: 10px;
    z-index: 9999;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    padding: 12px;
    overflow: hidden;
    display: grid !important;
    grid-template-columns: 1fr;
    gap: 10px;
    align-items: stretch;
}

body.tt-fullview #ttFullViewShell.has-sidebar {
    grid-template-columns: 280px 1fr;
}

body.tt-fullview #ttFullViewShell:not(.has-sidebar) #class-subject-sidebar {
    display: none !important;
}

body.tt-fullview #ttFullViewShell #class-subject-sidebar {
    display: block;
    position: static;
    top: auto;
    max-height: none;
    overflow: auto;
}

body.tt-fullview #ttFullViewShell #timetable-grid-container {
    position: static;
    inset: auto;
    z-index: auto;
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    overflow: auto;
    display: flex !important;
    flex-direction: column !important;
    background: transparent;
}

/* If browser fullscreen is active, let the fullscreen element control geometry */
body.tt-fullview #ttFullViewShell:fullscreen {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    border-radius: 0;
    border: none;
    box-shadow: none;
    padding: 10px;
}

body.tt-fullview #fullViewToolbar {
    display: flex !important;
}

.tt-fullview-toolbar{
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 10px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #f8fafc;
    margin-bottom: 10px;
}

.tt-fullview-tabs{
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tt-fullview-tab{
    border: 1px solid #cbd5e1;
    background: #ffffff;
    color: #0f172a;
    border-radius: 999px;
    padding: 6px 12px;
    font-weight: 800;
    cursor: pointer;
}

.tt-fullview-tab.is-active{
    background: #1e3a8a;
    border-color: #1e3a8a;
    color: #fff;
}

.tt-fullview-pick{
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

body.tt-fullview #zoomControls{
    margin-top: 0;
}

/* In full view, hide period management panel so grid is visible */
body.tt-fullview #periodEditorPanel {
    display: none !important;
}

/* Ensure grid is visible and can grow within the card */
body.tt-fullview #timetable-grid {
    display: grid !important;
    min-height: 420px;
    flex: 1 1 auto;
}

@media (max-width: 640px) {
    body.tt-fullview #timetable-grid-container {
        inset: 6px;
        border-radius: 12px;
        padding: 10px;
    }
}

#timetable-container h2 {
    margin-bottom: 15px;
    color: #1f3c88;
}

#timetable-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    min-height: 600px;
}

#timetable-layout.has-class-sidebar {
    grid-template-columns: 280px 1fr;
    align-items: start;
}

.class-subject-sidebar {
    display: none;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 10px;
    max-height: 70vh;
    overflow-y: auto;
    position: sticky;
    top: 90px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

#timetable-layout.has-class-sidebar .class-subject-sidebar {
    display: block;
}

.class-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid #e2e8f0;
}

.class-sidebar-title {
    font-weight: 600;
    font-size: 13px;
    color: var(--primary);
}

.class-sidebar-lock-toggle {
    padding: 4px 8px;
    font-size: 11px;
    border: 1px solid #111827;
    background: #111827;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
}

.class-sidebar-lock-toggle.active {
    background: #dc2626;
    border-color: #dc2626;
}

.class-sidebar-lock-toggle:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.class-sidebar-section {
    margin-bottom: 10px;
}

.class-sidebar-section:last-child {
    margin-bottom: 0;
}

.class-sidebar-class {
    width: 100%;
    text-align: left;
    padding: 6px 8px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    background: #f8fafc;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
}

.class-sidebar-class.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.class-sidebar-subjects {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 6px;
}

.class-subject-chip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    padding: 6px 8px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    background: #fff;
    font-size: 11px;
    cursor: grab;
}

.class-subject-chip:active {
    cursor: grabbing;
}

.class-subject-chip .chip-title {
    font-weight: 600;
    color: var(--text-main);
}

.class-subject-chip .chip-meta {
    font-size: 10px;
    color: var(--text-muted);
}

.class-subject-chip.lab {
    border-color: #c7d2fe;
    background: #eef2ff;
}

.class-subject-chip.project {
    border-color: #fed7aa;
    background: #ffedd5;
}

.class-subject-chip.theory {
    border-color: #bbf7d0;
    background: #ecfdf5;
}

.class-subject-chip.is-full {
    opacity: 0.55;
    cursor: not-allowed;
}

.class-subject-chip.is-full .chip-meta {
    color: #9ca3af;
}

.class-subject-empty {
    font-size: 11px;
    color: var(--text-muted);
    padding: 6px 8px;
}

.class-subject-sidebar.lock-mode + #timetable-grid-container .timetable-cell {
    cursor: pointer;
}

.class-subject-sidebar.lock-mode + #timetable-grid-container .timetable-cell.drag-over {
    outline: 2px solid #dc2626;
}

#timetable-grid-container {
    min-width: 0;
}

#assignment-panel {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 12px;
    height: fit-content;
    position: sticky;
    top: 80px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

#assignment-panel h3 {
    color: #1f3c88;
    margin-bottom: 10px;
    font-size: 15px;
    margin-top: 0;
}

#assignment-panel label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-top: 6px;
    margin-bottom: 3px;
    font-size: 12px;
}

#assignment-panel input,
#assignment-panel select {
    width: 100%;
    padding: 6px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 6px;
    font-size: 12px;
}

#assignment-panel input:focus,
#assignment-panel select:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.search-container {
    position: relative;
    margin-bottom: 4px;
}

.search-container::after {
    content: '🔍';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    opacity: 0.5;
    pointer-events: none;
}

.action-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    margin-bottom: 6px;
}

.action-buttons button {
    padding: 5px 8px;
    font-size: 11px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(30, 58, 138, 0.3);
}

.btn-primary[aria-disabled="true"] {
    opacity: 0.55;
    transform: none;
    box-shadow: none;
}
.btn-primary[aria-disabled="true"]:hover {
    transform: none;
    box-shadow: none;
}


.btn-warning {
    background: linear-gradient(135deg, var(--accent) 0%, #d97706 100%);
    color: white;
}

.btn-warning:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.2);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.btn-secondary {
    background: linear-gradient(135deg, #94a3b8 0%, #64748b 100%);
    color: white;
}

.btn-secondary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(148, 163, 184, 0.2);
}

.btn-small {
    padding: 4px 6px;
    font-size: 10px;
}

#timetable-grid-container {
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 6px;
    padding: 15px;
    overflow-x: auto;
    display: flex;
    flex-direction: column;
}

#timetable-grid-container::-webkit-scrollbar {
    height: 8px;
    width: 8px;
}

#timetable-grid-container::-webkit-scrollbar-track {
    background: #f1f1f1;
}

#timetable-grid-container::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

#timetable-grid-container::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Timetable Grid */
#timetable-grid {
    display: grid;
    border: 1px solid #ccc;
    min-width: 100%;
    transform-origin: top left;
    transition: transform 0.1s;
}


/* Grid Header Cells */
.timetable-header {
    background-color: #f1f5f9;
    color: var(--primary);
    font-weight: 600;
    text-align: center;
    padding: 12px 8px;
    border: 1px solid #e2e8f0;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Time / Period Column */
.time-cell {
    background-color: #f8fafc;
    color: var(--text-muted);
    font-weight: 500;
    text-align: center;
    padding: 12px 8px;
    border: 1px solid #e2e8f0;
    font-size: 13px;
}

/* Timetable Cells */
.timetable-cell {
    min-height: 80px;
    height: auto;
    /* Allow height to grow slightly if wrapped text needs it, but keep it tight */
    min-width: 140px;
    padding: 4px;
    border: 1px solid #e2e8f0;
    cursor: pointer;
    transition: var(--transition);
    background: #fff;
    display: flex;
    flex-direction: column;
    /* Prevent long text from spilling outside the grid cell */
    overflow: hidden;
    box-sizing: border-box;
    word-wrap: break-word;
    overflow-wrap: break-word;
    position: relative;
}

/* Alternating Column Colors for better Time Slot visibility */
.timetable-cell.even-period {
    background-color: #f9fbfd;
}

.timetable-cell.odd-period {
    background-color: #ffffff;
}

.timetable-cell:hover {
    background-color: #f8fafc;
    z-index: 10;
    box-shadow: inset 0 0 0 2px var(--primary-light);
}

/* Assigned Slot */
.timetable-cell.assigned {
    background-color: #ffffff;
}

/* Slot Entry */
.slot-entry {
    background: #fff;
    border: 1px solid var(--glass-border);
    border-left: 3px solid var(--primary);
    padding: 3px 6px;
    margin: 1px 0;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
    transition: var(--transition);
    font-size: 9.5px;
    display: flex;
    flex-direction: column;
    /* Stack info for better visibility in small slots */
    gap: 1px;
}

.slot-entry:hover {
    transform: scale(1.01);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
    z-index: 5;
}

.slot-entry strong {
    display: block;
    color: var(--primary);
    font-size: 10px;
    white-space: normal;
    /* Wrapper text */
    line-height: 1.1;
}

.slot-entry .slot-details {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
    color: var(--text-muted);
    font-size: 9px;
}

.slot-entry small {
    display: inline;
    font-size: 9px;
}

/* ===============================
   ZOOM CONTROLS
================================ */
#zoomControls {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
    align-items: center;
    flex-wrap: wrap;
    background: #f0f0f0;
    padding: 8px;
    border-radius: 4px;
    width: fit-content;
}

#zoomControls .toolbar-sep {
    color: #999;
    margin: 0 4px;
    user-select: none;
}

#zoomControls .undo-redo-toolbar {
    display: flex;
    gap: 6px;
    align-items: center;
}

.zoom-btn {
    padding: 6px 10px;
    background: #1f3c88;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
    font-weight: bold;
    transition: background 0.2s;
}

.zoom-btn:hover {
    background: #2d5ab8;
}

.zoom-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#zoomLevel {
    font-weight: bold;
    color: #333;
    min-width: 50px;
    text-align: center;
}

/* ===============================
   RESPONSIVE
================================ */
@media (max-width: 768px) {
    #timetable-grid {
        grid-template-columns: 80px repeat(5, 1fr);
        font-size: 12px;
    }

    header h1 {
        font-size: 20px;
    }
}

.timetable-cell.selected {
    outline: 2px solid #1f3c88;
    background-color: #bbdefb;
}

#assignment-panel {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

#assignment-panel select,
#assignment-panel button {
    padding: 8px;
}

#assignment-panel button {
    background-color: #1f3c88;
    color: white;
    border: none;
    cursor: pointer;
}

#assignment-panel button:hover {
    background-color: #162c63;
}

#updateBtn {
    background-color: #ffc107 !important;
    color: #333 !important;
}

#updateBtn:hover {
    background-color: #ffb300 !important;
}

#deleteBtn {
    background-color: #dc3545 !important;
}

#deleteBtn:hover {
    background-color: #c82333 !important;
}

.timetable-cell.dragging {
    opacity: 0.5;
    transform: scale(0.95);
    background: #e2e8f0;
}

/* Single group / entry draggable block */
.group-info-block.draggable-group {
    cursor: grab;
    user-select: none;
    border-radius: 4px;
    padding: 2px 4px;
}
.group-info-block.draggable-group:hover {
    background: rgba(30, 58, 138, 0.08);
}
.group-info-block.draggable-group:active {
    cursor: grabbing;
}
.group-info-block.draggable-group.dragging {
    opacity: 0.85;
    background: rgba(30, 58, 138, 0.12);
}

.timetable-cell.drag-over {
    background: rgba(59, 130, 246, 0.2) !important;
    border: 2px dashed var(--primary) !important;
    transform: scale(1.02);
}

/* ===============================
   DRAG AND DROP HIGHLIGHTS
================================ */
.timetable-cell.drop-safe {
    background-color: rgba(16, 185, 129, 0.15) !important;
    border: 2px dashed #10b981 !important;
    transition: background-color 0.2s, border 0.2s;
}

.timetable-cell.drop-conflict {
    background-color: rgba(239, 68, 68, 0.1) !important;
    border: 2px dashed #ef4444 !important;
    cursor: no-drop;
}

.timetable-cell.drop-invalid {
    background-color: #f1f5f9 !important;
    border: 1px solid #cbd5e1 !important;
    opacity: 0.6;
    cursor: not-allowed;
}

.timetable-cell.drop-invalid-lunch {
    background-color: #fefce8 !important;
    border: 1px solid #fef08a !important;
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===============================
   REVERSE SUGGESTIONS (empty-slot click)
================================ */
.timetable-cell.reverse-target {
    /* The empty slot user clicked */
    outline: 3px solid rgba(37, 99, 235, 0.9);
    outline-offset: -3px;
    background-color: rgba(37, 99, 235, 0.08) !important;
}

.timetable-cell.source-suggest {
    /* Suggested source slot-blocks that can be moved into the target */
    outline: 3px solid rgba(16, 185, 129, 0.95);
    outline-offset: -3px;
    background-color: rgba(16, 185, 129, 0.08) !important;
}

/* Pulse animation for safe zones */
@keyframes pulse-safe {
    0% {
        background-color: rgba(16, 185, 129, 0.1);
    }

    50% {
        background-color: rgba(16, 185, 129, 0.25);
    }

    100% {
        background-color: rgba(16, 185, 129, 0.1);
    }
}

.timetable-cell.drop-safe:hover {
    animation: pulse-safe 1.5s infinite ease-in-out;
}

#cancelEditBtn {
    background-color: #6c757d !important;
}

#cancelEditBtn:hover {
    background-color: #5a6268 !important;
}

#assignment-panel input {
    padding: 7px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

#assignment-panel select {
    min-height: 38px;
}

/* ===============================
   ASSIGNED CELL
================================ */
.timetable-cell.assigned {
    background-color: #dcedc8;
    /* light green */
}

/* ===============================
   SELECTED CELL (VERY IMPORTANT)
================================ */
.timetable-cell.selected {
    outline: 3px solid #1f3c88;
    outline-offset: -3px;
    box-shadow: inset 0 0 0 2px #ffffff;
}

/* ===============================
   SELECTED + ASSIGNED (PRIORITY)
================================ */
.timetable-cell.assigned.selected {
    background-color: #c5e1a5;
    /* darker green */
    outline: 3px solid #0d47a1;
}

/* ===============================
   WARNING CELL (SOFT RULE)
================================*/

.timetable-cell.warning {
    background-color: #fff3cd;
    /* light yellow */
    border: 2px dashed #ff9800;
}

.timetable-cell.warning:hover {
    background-color: #ffecb3;
}

/* ===============================
   MERGED & GROUP STYLES (COMPACT)
================================ */
.merged-cell {
    border-left: 3px solid #1f3c88 !important;
    background-color: #f1f8e9 !important;
    display: block !important;
    /* Switch to block to reduce flex overhead */
    text-align: left !important;
    padding: 2px !important;
}

.group-container {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 1px;
    width: 100%;
}

.group-info-block {
    background: rgba(255, 255, 255, 0.98);
    padding: 3px 40px 20px 5px;
    border-radius: 3px;
    border: 1px solid rgba(30, 58, 138, 0.1);
    font-size: 9px;
    line-height: 1.1;
    width: 100%;
    display: flex;
    flex-direction: column;
    /* Stacked for visibility */
    align-items: flex-start;
    gap: 1px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
    transition: var(--transition);
    /* Safer wrapping for long names/IDs */
    word-break: break-word;
    overflow-wrap: anywhere;
    position: relative;
}

.slot-edit-btn{
    position:absolute;
    left:3px;
    bottom:3px;
    right:auto;
    border:1px solid rgba(148,163,184,.6);
    background:rgba(255,255,255,.92);
    color:#334155;
    border-radius:6px;
    padding:2px 7px;
    font-size:11px;
    line-height:1.2;
    cursor:pointer;
    opacity:0;
    z-index:3;
    pointer-events:none;
    transition:opacity .15s;
}
.group-info-block:hover .slot-edit-btn{opacity:1;pointer-events:auto}
.slot-edit-btn:active{transform:translateY(1px)}

/* Lab slots: pen icon at top-left to avoid overlapping stacked groups */
.slot-edit-btn--lab{
    top:3px;
    left:3px;
    bottom:auto;
    right:auto;
}

/* Inline room editor popup */
.inline-room-editor{
    position:absolute;
    bottom:100%;
    left:50%;
    transform:translateX(-50%);
    z-index:100;
    background:#fff;
    border:1px solid #cbd5e1;
    border-radius:10px;
    padding:10px 12px;
    box-shadow:0 8px 30px rgba(15,23,42,.18);
    min-width:200px;
    max-width:280px;
    display:flex;
    flex-direction:column;
    gap:6px;
}
.ire-title{font-weight:700;font-size:12px;color:#0f172a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ire-label{font-size:11px;color:#475569;font-weight:600}
.ire-select{
    width:100%;padding:6px 8px;border-radius:8px;border:1px solid #cbd5e1;
    font-size:13px;background:#f8fafc;
}
.ire-select:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px rgba(59,130,246,.15)}
.ire-status{font-size:11px;min-height:16px;color:#64748b}
.ire-status.ire-ok{color:#059669}
.ire-status.ire-clash{color:#dc2626}
.ire-btns{display:flex;gap:6px;justify-content:flex-end}
.ire-save,.ire-cancel{
    padding:4px 14px;border-radius:8px;border:none;font-size:12px;font-weight:700;cursor:pointer;
}
.ire-save{background:#1e3a8a;color:#fff}
.ire-save:hover{background:#1e40af}
.ire-cancel{background:#f1f5f9;color:#334155;border:1px solid #e2e8f0}
.ire-cancel:hover{background:#e2e8f0}

.group-info-block:hover {
    background: #fff;
    border-color: var(--primary-light);
    box-shadow: 0 2px 6px rgba(30, 58, 138, 0.1);
}

.group-info-block strong {
    color: var(--primary-dark);
    font-size: 9.5px;
    display: block;
    width: 100%;
    white-space: normal;
    word-break: break-word;
    overflow-wrap: anywhere;
}

.group-info-block .slot-details {
    margin-top: 2px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: flex-start;
    min-width: 0;
}

.group-info-block .slot-chip-label {
    opacity: 0.75;
    font-weight: 800;
    margin-right: 4px;
}

.group-info-block .nav-faculty,
.group-info-block .nav-class,
.group-info-block .nav-room {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 999px;
    border: 1px solid transparent;
    line-height: 1.2;
    max-width: 100%;
    /* Allow wrapping inside the pill when text is long */
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    word-break: break-word;
    overflow-wrap: anywhere;
}

.group-info-block .nav-class {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.28);
    color: #065f46;
    font-weight: 800;
}

.group-info-block .nav-room {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.28);
    color: #1e3a8a;
    font-weight: 800;
}

.group-info-block .nav-faculty {
    background: rgba(245, 158, 11, 0.14);
    border-color: rgba(245, 158, 11, 0.30);
    color: #92400e;
    font-weight: 800;
}

.group-badge {
    background-color: var(--primary);
    color: white;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 700;
    display: inline-block;
}

.nav-faculty,
.nav-room {
    color: var(--text-muted);
    font-size: 10.5px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-faculty:hover,
.nav-room:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* ===============================
   DATA MANAGEMENT PAGE
================================ */
.data-section {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    margin: 30px auto;
    padding: 30px;
    width: 95%;
    max-width: 1100px;
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
}

.data-section h2 {
    color: var(--primary);
    margin-bottom: 25px;
    font-size: 24px;
    font-weight: 600;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 12px;
}

#course-schema-page .schema-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 12px;
}

#course-schema-page .schema-toolbar-inline-actions {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow: visible;
    max-width: 100%;
    padding-bottom: 2px;
}

#course-schema-page .schema-toolbar-inline-actions > button {
    width: auto;
    min-height: 42px;
    height: auto;
    padding: 10px 14px;
    white-space: nowrap;
    flex: 0 0 auto;
}

#course-schema-page #generateClassMultiSelect {
    position: relative;
    width: 280px;
    max-width: 280px;
    flex: 0 0 280px;
}

#course-schema-page #generateClassMultiBtn {
    box-shadow: none;
    min-height: 40px;
}

#course-schema-page #generateClassMultiBtn:hover {
    transform: none;
    box-shadow: none;
    background: #f8fafc !important;
    color: #0f172a !important;
}

#course-schema-page #generateClassMultiPanel {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    width: 360px;
    max-width: min(90vw, 360px);
    z-index: 3000;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

#course-schema-page #preGenerateBtn {
    min-width: 210px;
    min-height: 44px;
    height: 44px;
    line-height: 1;
}

#course-schema-page #generateClassMultiSelect .input-compact {
    min-height: 36px;
}

#course-schema-page #generateClassCheckboxes {
    padding-right: 4px;
}

#course-schema-page #generateClassCheckboxes .md-check {
    display: block;
}

@media (max-width: 980px) {
    #course-schema-page .schema-toolbar-inline-actions {
        width: 100%;
    }

    #course-schema-page #generateClassMultiSelect {
        flex: 0 0 260px;
        width: 260px;
        max-width: 260px;
    }

    #course-schema-page #generateClassMultiPanel {
        width: 340px;
        max-width: min(90vw, 340px);
        left: 0;
    }
}

@media (max-width: 640px) {
    #course-schema-page .schema-toolbar-inline-actions {
        gap: 8px;
    }
}

.data-form {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.data-form input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: 15px;
    background: #fff;
    transition: var(--transition);
}

.data-form input:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.btn-add {
    padding: 12px 24px;
    background-color: var(--success);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.btn-add:hover {
    background-color: #059669;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.data-table thead {
    background-color: #f8fafc;
}

.data-table th {
    padding: 16px;
    text-align: left;
    font-weight: 600;
    color: var(--primary);
    border-bottom: 2px solid #e2e8f0;
}

.data-table td {
    padding: 16px;
    border-bottom: 1px solid #f1f5f9;
    color: var(--text-main);
}

.data-table tbody tr:hover {
    background-color: #f8fafc;
}

.btn-edit {
    padding: 6px 12px;
    background-color: #ffc107;
    color: #333;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    margin-right: 5px;
    font-size: 13px;
}

.btn-edit:hover {
    background-color: #ffb300;
}

.btn-delete {
    padding: 6px 12px;
    background-color: #dc3545;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    font-size: 13px;
}

.btn-delete:hover {
    background-color: #c82333;
}

.btn-save {
    padding: 6px 12px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    margin-right: 5px;
    font-size: 13px;
}

.btn-save:hover {
    background-color: #218838;
}

.btn-cancel {
    padding: 6px 12px;
    background-color: #6c757d;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    font-size: 13px;
}

.btn-cancel:hover {
    background-color: #5a6268;
}

.edit-row input {
    width: 100%;
    padding: 6px;
    border: 1px solid #1f3c88;
    border-radius: 3px;
}

.edit-input {
    width: 100%;
    padding: 8px;
    border: 2px solid #ffc107;
    border-radius: 3px;
    font-size: 14px;
    font-weight: 500;
}

.edit-input:focus {
    outline: none;
    border-color: #1f3c88;
    box-shadow: 0 0 8px rgba(31, 60, 136, 0.5);
}

.empty-message {
    text-align: center;
    padding: 30px;
    color: #999;
    font-style: italic;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal.active {
    display: flex !important;
}

#printPreviewModal.active {
    z-index: 9999;
}

.modal-content {
    background: #fff;
    padding: 32px;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: modalIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal h2 {
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 24px;
    font-weight: 700;
}

.modal p {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 15px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-main);
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: 15px;
    transition: var(--transition);
}

.form-group input[type="checkbox"],
.form-group input[type="radio"] {
    width: auto !important;
    padding: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.custom-multiselect input[type="checkbox"] {
    width: auto !important;
    padding: 0 !important;
    margin: 0 !important;
}

/* Course Schema: Project/Other teacher multi-select alignment */
#projectFacultyDropdownContent {
    box-sizing: border-box;
}

#projectFacultyDropdownContent > div {
    box-sizing: border-box;
}

#projectFacultyDropdownContent label {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 8px !important;
    cursor: pointer;
}

#projectFacultyDropdownContent input.project-faculty-checkbox {
    flex: 0 0 auto !important;
    width: 16px !important;
    height: 16px !important;
    margin: 0 !important;
    padding: 0 !important;
    transform: none !important;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 32px;
}

.form-actions button {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

/* ===============================
   FACULTY LOAD ANALYSIS
================================ */
#facultyLoadDashboard {
    margin-bottom: 20px;
}

.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.dashboard-card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-left: 4px solid;
}

.dashboard-card.highest {
    border-left-color: #dc3545;
}

.dashboard-card.lowest {
    border-left-color: #28a745;
}

.dashboard-card.average {
    border-left-color: #17a2b8;
}

.dashboard-card.distribution {
    border-left-color: #ffc107;
}

.dashboard-card h4 {
    color: #333;
    margin: 0 0 10px 0;
    font-size: 14px;
    font-weight: 600;
}

.dashboard-card .faculty-name {
    color: #666;
    font-size: 13px;
    margin: 5px 0;
}

.dashboard-card .load-value {
    color: #1f3c88;
    font-size: 20px;
    font-weight: bold;
    margin: 10px 0 0 0;
}

#facultyLoadChart {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.load-chart-header {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e0e0e0;
}

.load-chart-header label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 500;
    color: #333;
}

.load-chart-header input[type="checkbox"] {
    cursor: pointer;
}

.load-chart {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.load-item {
    display: flex;
    align-items: center;
}

.load-bar-container {
    width: 100%;
}

.load-label {
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
    font-size: 14px;
}

.load-bar-wrapper {
    background-color: #f0f0f0;
    border-radius: 4px;
    height: 30px;
    overflow: hidden;
}

.load-bar {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
    transition: width 0.3s ease;
    border-radius: 4px;
}

.load-value {
    color: white;
    font-weight: bold;
    font-size: 14px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.load-details {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.load-details h4 {
    color: #1f3c88;
    margin-bottom: 15px;
}

.load-table {
    width: 100%;
    border-collapse: collapse;
}

.load-table th {
    background-color: #f5f5f5;
    padding: 12px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid #ddd;
    color: #1f3c88;
}

.load-table td {
    padding: 12px;
    border-bottom: 1px solid #eee;
}

.load-table tr:hover {
    background-color: #f9f9f9;
}

/* ===============================
   MANAGE DATA – WORKLOAD COMPACT & CHART STYLE
================================ */
.manage-data-compact #accordion-workload .accordion-content {
    padding: 10px;
    max-height: 70vh;
    overflow-y: auto;
}

.manage-data-compact #facultyLoadDashboard {
    margin-bottom: 12px;
}

.manage-data-compact .dashboard-cards-compact {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 10px;
}

.manage-data-compact .dashboard-card-compact {
    padding: 8px 10px;
    border-radius: 6px;
    border-left-width: 3px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.manage-data-compact .dashboard-card-title {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
}

.manage-data-compact .dashboard-card-name {
    font-size: 11px;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.manage-data-compact .dashboard-card-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
}

.manage-data-compact #facultyLoadChart {
    padding: 10px 12px;
    margin-bottom: 10px;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.manage-data-compact .load-chart-header-compact {
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid #e2e8f0;
}

.manage-data-compact .load-chart-header-compact label {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
}

.manage-data-compact .load-chart-compact {
    gap: 6px;
}

.manage-data-compact .load-item-compact {
    min-height: auto;
}

.manage-data-compact .load-label-compact {
    font-size: 11px;
    font-weight: 500;
    margin-bottom: 3px;
    color: var(--text-main);
}

.manage-data-compact .load-bar-wrapper-compact {
    height: 18px;
    border-radius: 6px;
    background: #f1f5f9;
    overflow: hidden;
}

.manage-data-compact .load-bar-compact {
    border-radius: 6px;
    padding-right: 6px;
    min-width: 24px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    transition: width 0.25s ease;
}

.manage-data-compact .load-value-compact {
    font-size: 11px;
    font-weight: 600;
    text-shadow: 0 0 1px rgba(0, 0, 0, 0.4);
}

.manage-data-compact .load-details-compact {
    padding: 10px;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.manage-data-compact .load-details-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--primary);
    margin: 0 0 6px 0;
}

.manage-data-compact .load-table-scroll-wrap {
    max-height: 180px;
    overflow-y: auto;
    overflow-x: auto;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
}

.manage-data-compact .load-table-compact {
    font-size: 11px;
}

.manage-data-compact .load-table-compact thead th {
    padding: 5px 8px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--text-muted);
    position: sticky;
    top: 0;
    background: #f8fafc;
    z-index: 1;
    box-shadow: 0 1px 0 #e2e8f0;
}

.manage-data-compact .load-table-compact td {
    padding: 4px 8px;
    border-bottom: 1px solid #f1f5f9;
}

.manage-data-compact .load-table-compact .badge {
    padding: 2px 5px;
    font-size: 10px;
}

@media (max-width: 640px) {
    .manage-data-compact .dashboard-cards-compact {
        grid-template-columns: repeat(2, 1fr);
    }
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 600;
    color: white;
}

.badge.effective {
    background-color: #28a745;
}

.badge.non-effective {
    background-color: #6c757d;
}

/* ===============================
   DATA MANAGEMENT ACCORDION
================================ */
#manage-data-page .data-section {
    margin: 0;
    padding: 0;
    width: 100%;
    max-width: none;
    background: transparent;
    border: none;
    box-shadow: none;
}

.data-management-accordion {
    margin: 12px auto;
    width: 98%;
    max-width: 1200px;
}

.accordion-item {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    text-align: left;
    transition: background 0.2s;
}

.accordion-header:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
}

.accordion-title {
    flex: 1;
}

.accordion-icon-prefix {
    margin-right: 6px;
    opacity: 0.95;
}

.accordion-icon {
    transition: transform 0.25s ease;
    font-size: 10px;
    opacity: 0.9;
}

.accordion-item.open .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    display: none;
    padding: 12px;
    background: #fff;
    border-top: 1px solid #e2e8f0;
}

.accordion-content.open {
    display: block;
}

/* Search bar in data sections */
.data-section-search {
    display: flex;
    gap: 10px;
    align-items: center;
    margin: 12px 0;
    flex-wrap: wrap;
}

.data-section-search input {
    flex: 1;
    min-width: 180px;
    padding: 10px 14px;
    border: 1px solid #ddd;
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.data-section-search input:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

.btn-search {
    padding: 10px 18px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
}

.btn-search:hover {
    background: var(--primary-dark);
}

/* Bulk actions: Delete selected */
.data-bulk-actions {
    display: flex;
    align-items: center;
    margin: 8px 0 12px 0;
}

.btn-delete-selected {
    padding: 8px 16px;
    background: #dc2626;
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
}

.btn-delete-selected:hover {
    background: #b91c1c;
}

/* Scrollable table: show ~10 rows then scroll */
.data-table-scroll {
    max-height: 420px;
    overflow-y: auto;
    overflow-x: auto;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-sm);
    margin-top: 10px;
}

.data-table-scroll .data-table {
    margin-top: 0;
}

.data-table-scroll .data-table thead th {
    position: sticky;
    top: 0;
    background: #f8fafc;
    z-index: 1;
    box-shadow: 0 1px 0 #e2e8f0;
}

/* ===============================
   MANAGE DATA – COMPACT PROFESSIONAL
================================ */
.manage-data-compact .manage-data-header {
    margin-bottom: 10px;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.manage-data-compact .manage-data-header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 2px 0;
}

.manage-data-compact .manage-data-header p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
}

/* ===============================
   MANAGE DATA – MODERN CLEAN UI (scoped)
   Note: scoped so it doesn't affect other accordions/pages.
================================ */
#manage-data-page.manage-data-compact .manage-data-header {
    border-bottom: none;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 12px;
    max-width: 1200px;
    width: 98%;
    margin: 12px auto 10px auto;
    box-shadow: 0 1px 6px rgba(15, 23, 42, 0.06);
}

#manage-data-page.manage-data-compact .manage-data-header h1 {
    color: #0f172a;
}

#manage-data-page.manage-data-compact .manage-data-header p {
    color: #475569;
}

#manage-data-page .md-header-hint {
    margin-top: 8px;
    font-size: 13px;
    color: #64748b;
    line-height: 1.35;
}

/* Modern-clean accordion cards */
#manage-data-page .md-accordion {
    margin-top: 10px;
}

/* Manage Data: left menu + right content shell */
#manage-data-page .md-shell {
    width: 98%;
    max-width: 1200px;
    margin: 12px auto;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 12px;
    align-items: start;
}

#manage-data-page .md-menu {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 1px 6px rgba(15, 23, 42, 0.06);
    padding: 10px;
    position: sticky;
    top: 12px;
}

#manage-data-page .md-menu-title {
    font-weight: 900;
    font-size: 13px;
    color: #0f172a;
    margin: 2px 6px 8px 6px;
    letter-spacing: 0.02em;
}

#manage-data-page .md-menu-item {
    width: 100%;
    text-align: left;
    border: 1px solid transparent;
    background: transparent;
    color: #0f172a;
    padding: 12px 12px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 850;
    font-size: 14px;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
}

#manage-data-page .md-menu-item:hover {
    background: #f8fafc;
    border-color: #e2e8f0;
}

#manage-data-page .md-menu-item:active {
    transform: translateY(1px);
}

#manage-data-page .md-menu-item.active {
    background: #eef2ff;
    border-color: #e0e7ff;
    color: var(--primary-dark);
    box-shadow: inset 3px 0 0 var(--primary);
}

#manage-data-page .md-main {
    min-width: 0;
}

/* Improve overall readability for this page */
#manage-data-page {
    font-size: 14px;
}

/* Right-side header showing selected section */
#manage-data-page .md-main-header {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    box-shadow: 0 1px 6px rgba(15, 23, 42, 0.06);
    padding: 14px 16px;
    margin-bottom: 10px;
}

#manage-data-page .md-main-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

#manage-data-page .md-main-title {
    margin: 0;
    font-size: 18px;
    font-weight: 950;
    color: #0f172a;
    letter-spacing: 0.01em;
}

#manage-data-page .md-main-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 900;
    background: #e0e7ff;
    color: #1e3a8a;
    border: 1px solid #c7d2fe;
    white-space: nowrap;
}

#manage-data-page .md-main-sub {
    margin-top: 6px;
    font-size: 13px;
    color: #475569;
    line-height: 1.35;
}

/* Right side accordion should fill container (no auto-centering) */
#manage-data-page .md-shell .data-management-accordion {
    width: 100%;
    max-width: none;
    margin: 0;
}

/* Menu becomes the buttons; keep accordion headers offscreen (for semantics only) */
#manage-data-page .md-shell .accordion-header {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}

#manage-data-page .md-shell .md-accordion .accordion-content {
    border-top: none;
}

/* In menu-mode, show only the opened section (prevents blank gaps) */
#manage-data-page .md-shell .md-accordion .accordion-item {
    display: none;
}

#manage-data-page .md-shell .md-accordion .accordion-item.open {
    display: block;
}

#manage-data-page .md-shell .md-accordion .accordion-content.open {
    padding: 16px;
}

/* Prevent Import grid clipping inside right panel */
#manage-data-page.manage-data-compact .upload-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

#manage-data-page.manage-data-compact .upload-cell {
    min-width: 0;
}

/* In menu layout, allow content to expand without being clipped */
#manage-data-page .md-shell .md-accordion .accordion-item.open {
    overflow: visible;
}

/* Make inputs/buttons less "compact" on Manage Data only */
#manage-data-page.manage-data-compact .input-compact {
    padding: 8px 10px;
    font-size: 14px;
    border-radius: 10px;
    min-width: 140px;
    max-width: none;
    flex: 1 1 180px;
}

#manage-data-page.manage-data-compact .btn-compact {
    padding: 8px 12px;
    font-size: 13px;
    border-radius: 10px;
    font-weight: 750;
}

#manage-data-page.manage-data-compact .compact-form {
    gap: 10px;
    margin-bottom: 10px;
}

#manage-data-page.manage-data-compact .compact-search {
    gap: 8px;
    margin-bottom: 10px;
}

#manage-data-page.manage-data-compact .data-table-compact {
    font-size: 13px;
}

#manage-data-page.manage-data-compact .data-table-compact thead th {
    font-size: 12px;
    padding: 8px 10px;
}

#manage-data-page.manage-data-compact .data-table-compact td {
    padding: 7px 10px;
}

#manage-data-page.manage-data-compact .upload-label {
    font-size: 12.5px;
}

#manage-data-page.manage-data-compact .upload-input {
    font-size: 13px;
}

#manage-data-page .md-accordion .accordion-item {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 1px 6px rgba(15, 23, 42, 0.06);
}

#manage-data-page .md-accordion .accordion-header {
    background: #fff;
    color: #0f172a;
    padding: 12px 14px;
    border: none;
}

#manage-data-page .md-accordion .accordion-header:hover {
    background: #f8fafc;
}

#manage-data-page .md-accordion .accordion-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

#manage-data-page .md-acc-icon {
    width: 30px;
    height: 30px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #eef2ff;
    border: 1px solid #e0e7ff;
    color: #1e3a8a;
    font-size: 16px;
    flex: 0 0 auto;
}

#manage-data-page .md-acc-title-wrap {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

#manage-data-page .md-acc-title-text {
    font-weight: 800;
    font-size: 13px;
    line-height: 1.15;
}

#manage-data-page .md-acc-subtitle {
    font-weight: 500;
    font-size: 11px;
    color: #64748b;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: clamp(260px, 55vw, 900px);
}

#manage-data-page .md-accordion .accordion-icon {
    color: #64748b;
    opacity: 1;
    font-size: 12px;
}

#manage-data-page .md-accordion .accordion-content {
    background: #fff;
    padding: 14px;
    border-top: 1px solid #e2e8f0;
}

#manage-data-page .md-accordion .accordion-item.open .accordion-header {
    box-shadow: inset 3px 0 0 var(--primary);
}

/* Reusable card elements for Manage Data content */
#manage-data-page .md-card {
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #fff;
}

#manage-data-page .md-card--soft {
    background: rgba(248, 250, 252, 0.9);
}

#manage-data-page .md-card + .md-card {
    margin-top: 12px;
}

#manage-data-page .md-card-title {
    font-weight: 900;
    color: #0f172a;
    font-size: 13px;
}

#manage-data-page .md-subtitle {
    font-weight: 800;
    font-size: 13px;
    color: #0f172a;
}

#manage-data-page .md-body {
    font-size: 13px;
    color: #334155;
}

#manage-data-page .md-muted {
    color: #475569;
    font-size: 13px;
}

#manage-data-page .md-hint {
    font-size: 12px;
    color: #64748b;
    margin-top: 6px;
}

#manage-data-page .md-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

#manage-data-page .md-row--wrap {
    flex-wrap: wrap;
}

#manage-data-page .md-stack {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

#manage-data-page .md-divider {
    border-top: 1px solid #e2e8f0;
    padding-top: 10px;
    margin-top: 4px;
}

#manage-data-page .md-actions {
    margin-top: 10px;
    display: flex;
    justify-content: flex-end;
}

/* Print settings pills + checkbox/radio labels */
#manage-data-page .md-pill-row {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 12px;
    padding: 8px 10px;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
}

#manage-data-page .md-check {
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #0f172a;
}

#manage-data-page .md-check input {
    transform: translateY(0.5px);
}

#manage-data-page .md-label {
    font-weight: 800;
    font-size: 13px;
    color: #0f172a;
    display: block;
    margin-bottom: 4px;
}

#manage-data-page .md-label--muted {
    font-weight: 700;
    font-size: 12px;
    color: #475569;
}

#manage-data-page .md-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

#manage-data-page .md-sig-preview {
    min-height: 40px;
    border: 1px dashed #cbd5e1;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 6px;
    background: #f8fafc;
}

#manage-data-page .md-sig-placeholder {
    font-size: 11px;
    color: #94a3b8;
}

/* Bulk download: scrollable class checkbox grid (matches old inline behavior) */
#manage-data-page .md-checkbox-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
    max-height: 160px;
    overflow-y: auto;
    padding: 6px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    background: #f8fafc;
}

@media (max-width: 640px) {
    #manage-data-page .md-grid-2 {
        grid-template-columns: 1fr;
    }
    #manage-data-page.manage-data-compact .manage-data-header {
        padding: 14px 14px;
    }
    #manage-data-page .md-shell {
        grid-template-columns: 1fr;
    }
    #manage-data-page .md-menu {
        position: static;
        display: flex;
        gap: 6px;
        overflow-x: auto;
        padding: 8px;
        white-space: nowrap;
    }
    #manage-data-page .md-menu-title {
        display: none;
    }
    #manage-data-page .md-menu-item {
        width: auto;
        flex: 0 0 auto;
        padding: 9px 11px;
        font-weight: 800;
    }
    #manage-data-page .md-main-title {
        font-size: 16px;
    }
}

/* Compact form row: ID, Name, + Add */
.manage-data-compact .compact-form {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.manage-data-compact .input-compact {
    padding: 5px 8px;
    font-size: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    min-width: 80px;
    flex: 1;
    max-width: 160px;
}

.manage-data-compact .input-compact:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.12);
}

.manage-data-compact .compact-form .btn-add {
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

/* Search + actions in one row */
.manage-data-compact .compact-search {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-bottom: 8px;
}

.manage-data-compact .compact-search .input-compact {
    flex: 1;
    min-width: 120px;
    max-width: none;
}

.manage-data-compact .btn-compact {
    padding: 5px 10px;
    font-size: 11px;
    font-weight: 500;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    white-space: nowrap;
}

.manage-data-compact .btn-compact.btn-outline {
    background: #f1f5f9;
    color: var(--primary);
    border: 1px solid #e2e8f0;
}

.manage-data-compact .btn-compact.btn-outline:hover {
    background: #e2e8f0;
}

.manage-data-compact .compact-search .btn-search {
    padding: 5px 10px;
    font-size: 11px;
}

.manage-data-compact .compact-search .btn-delete-selected {
    padding: 5px 10px;
    font-size: 11px;
}

/* Compact table: small text, tight padding, less scroll */
.manage-data-compact .compact-table-wrap {
    max-height: 240px;
    margin-top: 6px;
    border-radius: 4px;
}

.manage-data-compact .data-table-compact {
    font-size: 12px;
}

.manage-data-compact .data-table-compact thead th {
    padding: 6px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--text-muted);
}

.manage-data-compact .data-table-compact td {
    padding: 5px 10px;
    border-bottom: 1px solid #f1f5f9;
}

.manage-data-compact .data-table-compact .btn-edit,
.manage-data-compact .data-table-compact .btn-delete,
.manage-data-compact .data-table-compact .btn-save,
.manage-data-compact .data-table-compact .btn-cancel {
    padding: 3px 8px;
    font-size: 11px;
    margin-right: 4px;
}

/* Import: compact layout */
.manage-data-compact .upload-compact {
    margin: 0;
}

.manage-data-compact .upload-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.manage-data-compact .upload-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    min-width: 90px;
}

.manage-data-compact .upload-input {
    flex: 1;
    min-width: 140px;
    padding: 4px 6px;
    font-size: 11px;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
}

.manage-data-compact .upload-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.manage-data-compact .upload-cell {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    background: #f8fafc;
    border-radius: 4px;
    border: 1px solid #e2e8f0;
}

.manage-data-compact .upload-cell .upload-label {
    min-width: auto;
}

.manage-data-compact .upload-btns {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.manage-data-compact .compact-dashboard,
.manage-data-compact .compact-chart {
    font-size: 12px;
}

@media (max-width: 768px) {
    .manage-data-compact .upload-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Clickable faculty row in workload table */
.load-table tr.faculty-load-row {
    cursor: pointer;
}

.load-table tr.faculty-load-row:hover {
    background-color: #e0e7ff !important;
}

/* Faculty detail modal */
.faculty-detail-modal {
    max-width: 640px;
    max-height: 85vh;
    overflow-y: auto;
}

.faculty-detail-modal h2 {
    margin-bottom: 16px;
}

#facultyDetailContent .detail-subjects {
    margin-bottom: 16px;
}

#facultyDetailContent .detail-subjects h4 {
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 14px;
}

#facultyDetailContent .detail-summary {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

#facultyDetailContent .detail-subject-slots-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-top: 8px;
}

#facultyDetailContent .detail-subject-slots-table th {
    background: #f1f5f9;
    padding: 10px;
    text-align: left;
    border-bottom: 2px solid #e2e8f0;
}

#facultyDetailContent .detail-subject-slots-table td {
    padding: 10px;
    border-bottom: 1px solid #f1f5f9;
}

#facultyDetailContent .detail-subject-slots-table tr:hover {
    background: #f8fafc;
}

#facultyDetailContent .detail-subject-slots-table .text-center {
    text-align: center;
}

#facultyDetailContent .detail-subject-slots-table .badge-hours {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 13px;
}

#facultyDetailContent .detail-subjects ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

#facultyDetailContent .detail-subjects li {
    background: #e0e7ff;
    color: var(--primary-dark);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
}

#facultyDetailContent .detail-slots-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-top: 12px;
}

#facultyDetailContent .detail-slots-table th {
    background: #f1f5f9;
    padding: 10px;
    text-align: left;
    border-bottom: 2px solid #e2e8f0;
}

#facultyDetailContent .detail-slots-table td {
    padding: 10px;
    border-bottom: 1px solid #f1f5f9;
}

#facultyDetailContent .detail-slots-table tr:hover {
    background: #f8fafc;
}

#facultyDetailContent .detail-slots-wrap {
    margin-top: 16px;
}

#facultyDetailContent .detail-slots-wrap h4 {
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 14px;
}

/* ===============================
   PRINT PREVIEW MODAL
================================ */
.print-preview-modal {
    max-width: 95%;
    max-height: 90vh;
    overflow-y: auto;
    width: 1200px;
}

.print-settings-form {
    background: #f8fafc;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.print-settings-form .form-group {
    margin-bottom: 15px;
}

.print-settings-form label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
    font-size: 14px;
}

.print-settings-form input[type="text"],
.print-settings-form textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
}

.print-settings-form input[type="checkbox"] {
    margin-right: 8px;
}

.print-preview-content {
    border: 2px solid #ddd;
    background: white;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.print-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 3px solid #1e3a8a;
}

.print-header h1 {
    font-size: 28px;
    color: #1e3a8a;
    margin-bottom: 8px;
}

.print-header .print-remarks {
    font-size: 14px;
    color: #666;
    margin: 8px 0;
    font-style: italic;
}

.print-header h2 {
    font-size: 20px;
    color: #333;
    margin-top: 12px;
}

.print-timetable {
    margin: 20px 0;
    overflow-x: auto;
}

.print-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.print-table th,
.print-table td {
    border: 1px solid #333;
    padding: 10px;
    text-align: center;
}

.print-table th {
    background: #fff;
    color: #000;
    font-weight: 900;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.print-table .print-day-col {
    min-width: 100px;
}

.print-table .print-period-col {
    min-width: 120px;
}

.print-table .print-day-cell {
    background: #fff;
    font-weight: 900;
}

.print-table .empty-cell {
    color: #000;
}

.print-table .print-slot-remark {
    font-size: 11px;
    color: #000;
    font-weight: 700;
    font-style: italic;
}

.print-table .filled-cell {
    text-align: left;
    vertical-align: top;
    background: #fff;
}

.period-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.period-id {
    font-weight: bold;
    font-size: 13px;
}

.period-time {
    font-size: 10px;
    font-weight: normal;
    opacity: 1;
}

.print-subject {
    font-weight: 900;
    color: #000;
    margin-bottom: 4px;
    font-size: 12px;
}

.print-subject-id {
    font-weight: 800;
    color: #000;
    font-size: 10px;
    opacity: 1;
}

/* Subject → Faculty list (print preview + print) */
.print-bottom-section {
    margin-top: 12px;
    page-break-inside: avoid;
}
.hide-subject-faculty-list .print-bottom-section {
    display: none !important;
}
.hide-subject-faculty-list .print-timetable {
    margin-bottom: 0 !important;
}
.print-section-title {
    font-weight: 900;
    color: #000;
    margin: 8px 0 10px 0;
    font-size: 14px;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.print-subject-faculty-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    table-layout: fixed;
}
.print-subject-faculty-table th,
.print-subject-faculty-table td {
    border: 1px solid #000;
    padding: 8px 8px;
    text-align: center;
    vertical-align: top;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.print-subject-faculty-table th {
    background: #fff;
    color: #000;
    font-weight: 900;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.print-subject-faculty-table tbody tr:nth-child(even) {
    background: #fff;
}
.print-subject-faculty-table .col-sr { width: 44px; text-align: center; }
.print-subject-faculty-table .col-id { width: 180px; }
.print-subject-faculty-table .col-faculty { width: 420px; }

.print-faculty,
.print-class,
.print-room {
    font-size: 11px;
    color: #000;
    margin: 2px 0;
}

.print-footer {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 2px solid #000;
}

.signature-row {
    display: flex;
    justify-content: space-around;
    gap: 60px;
}

.signature-box {
    text-align: center;
    flex: 1;
}

.signature-line {
    border-top: 2px solid #000;
    margin-bottom: 10px;
    margin-top: 50px;
}

.signature-label {
    font-size: 12px;
    color: #000;
    margin-bottom: 6px;
}

.signature-name {
    font-size: 14px;
    font-weight: 900;
    color: #000;
}

.signature-image-wrapper {
    min-height: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-sig-btn {
    display: inline-block;
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    margin-bottom: 8px;
    transition: background 0.2s;
}
.upload-sig-btn:hover {
    background: #43a047;
}

@media print {
    .upload-sig-btn {
        display: none !important;
    }
}

/* ===============================
   CONTEXT MENU
================================ */
#periodContextMenu {
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
}

#periodContextMenu div {
    transition: background-color 0.1s;
}

#periodContextMenu div:hover {
    background-color: #f0f0f0 !important;
}

/* ================= TOAST NOTIFICATIONS ================= */
@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }

    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.custom-toast {
    animation: slideIn 0.3s ease-in;
}

.custom-toast-success {
    background-color: #4CAF50 !important;
}

.custom-toast-error {
    background-color: #f44336 !important;
}

.custom-toast-warning {
    background-color: #ff9800 !important;
}

.custom-toast-info {
    background-color: #2196F3 !important;
}

/* Project confirm dialog (replaces browser confirm) */
.confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
}
.confirm-overlay.active {
    opacity: 1;
    visibility: visible;
}
.confirm-box {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 24px;
    max-width: 420px;
    width: 90%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    transform: scale(0.95);
    transition: transform 0.2s;
}
.confirm-overlay.active .confirm-box {
    transform: scale(1);
}
.confirm-message {
    margin: 0 0 20px 0;
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-main);
}
.confirm-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* ================= GENERATION LOADING OVERLAY ================= */
.generation-overlay {
    position: fixed;
    inset: 0;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: 84px 18px 18px;
    background: rgba(15, 23, 42, 0.28);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 10000; /* below confirm-overlay so dialogs remain visible */
}
.generation-overlay.active {
    display: flex;
}
.generation-bar {
    width: min(760px, calc(100vw - 36px));
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 16px;
    padding: 16px 18px;
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
}
.generation-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.gen-spinner {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    border: 4px solid rgba(30, 58, 138, 0.16);
    border-top-color: rgba(30, 58, 138, 0.92);
    animation: genSpin 0.9s linear infinite;
    flex: 0 0 auto;
}
.gen-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.gen-title {
    font-weight: 800;
    font-size: 15px;
    color: #0f172a;
    letter-spacing: -0.2px;
}
.gen-subtitle {
    font-size: 13px;
    color: #475569;
    line-height: 1.35;
}
.gen-progress {
    height: 8px;
    margin-top: 12px;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.28);
    overflow: hidden;
}
.gen-progress-inner {
    height: 100%;
    width: 40%;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(30, 58, 138, 0.10) 0%, rgba(30, 58, 138, 0.85) 50%, rgba(30, 58, 138, 0.10) 100%);
    background-size: 200% 100%;
    animation: genBar 1.2s ease-in-out infinite;
}
@keyframes genSpin {
    to { transform: rotate(360deg); }
}
@keyframes genBar {
    0% { transform: translateX(-40%); background-position: 0% 50%; }
    100% { transform: translateX(140%); background-position: 100% 50%; }
}

/* Message toast animations (project message box) */
@keyframes messageSlideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes messageSlideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

/* ================= LOCKED SLOTS ================= */
.locked-slot {
    position: relative !important;
    background-color: #f1f5f9 !important;
    border: 2px solid #000 !important;
}

.locked-slot::after {
    content: "";
    display: none;
}

.timetable-cell.locked-slot {
    background-image: linear-gradient(45deg, rgba(0, 0, 0, 0.05) 25%, transparent 25%, transparent 50%, rgba(0, 0, 0, 0.05) 50%, rgba(0, 0, 0, 0.05) 75%, transparent 75%, transparent);
    background-size: 10px 10px;
}

.slot-action-buttons {
    position: absolute;
    top: 4px;
    right: 4px;
    display: flex;
    gap: 6px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 6;
}

.timetable-cell:hover .slot-action-buttons {
    opacity: 1;
    pointer-events: auto;
}

.slot-lock-toggle {
    border: none;
    background: rgba(17, 24, 39, 0.85);
    color: #fff;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    font-size: 15px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: static;
}

.slot-lock-toggle:hover {
    background: rgba(17, 24, 39, 1);
}

.slot-delete-toggle {
    border: none;
    background: rgba(220, 38, 38, 0.9);
    color: #fff;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    font-size: 15px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.slot-delete-toggle:hover {
    background: rgba(185, 28, 28, 1);
}

.slot-delete-toggle:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.timetable-cell.empty-slot {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
}

.empty-slot-remark-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    min-height: 1.5em;
}

.empty-slot-remark {
    font-size: 12px;
    color: #1e3a8a;
    text-align: center;
    line-height: 1.3;
    word-break: break-word;
}

.empty-slot-remark:not(.has-remark) {
    display: none;
}

.empty-slot-hint {
    font-size: 14px;
    color: #94a3b8;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.timetable-cell.empty-slot:hover .empty-slot-hint {
    opacity: 1;
}

.timetable-cell.empty-slot:hover .empty-slot-remark.has-remark {
    margin-right: 2px;
}

.empty-slot-remark-input {
    width: 100%;
    max-width: 100%;
    padding: 6px 8px;
    font-size: 12px;
    border: 1px solid var(--primary);
    border-radius: 4px;
    outline: none;
    background: #fff;
    box-sizing: border-box;
}

.empty-slot-remark-input:focus {
    box-shadow: 0 0 0 2px rgba(30, 58, 138, 0.2);
}

/* Class view: generation failure banners and "Not assigned" slots */
.class-view-unassigned-banner {
    padding: 10px 14px;
    margin-bottom: 12px;
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: var(--radius-sm);
    color: #856404;
    font-size: 14px;
    line-height: 1.4;
}

.class-view-all-ok-banner {
    padding: 10px 14px;
    margin-bottom: 12px;
    background: #d4edda;
    border: 1px solid #28a745;
    border-radius: var(--radius-sm);
    color: #155724;
    font-size: 14px;
    line-height: 1.4;
}

.timetable-cell.slot-not-assigned .slot-not-assigned-line {
    font-size: 11px;
    font-weight: 600;
    color: #b71c1c;
    background: rgba(211, 47, 47, 0.12);
    padding: 6px 8px;
    border-radius: 4px;
    margin-bottom: 6px;
    border-left: 3px solid #c62828;
}

.timetable-cell.slot-not-assigned {
    flex-direction: column;
    align-items: stretch;
}

/* ===============================
   ACCORDION & SCHEMA LIST
================================ */
.accordion-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.accordion-item {
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: white;
    transition: var(--transition);
}

.accordion-header {
    padding: 15px 20px;
    background: #f8fafc;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    color: var(--primary);
}

.accordion-header:hover {
    background: #f1f5f9;
}

.accordion-header .arrow {
    transition: transform 0.3s;
}

.accordion-item.active .arrow {
    transform: rotate(180deg);
}

.accordion-content {
    display: none;
    padding: 20px;
    border-top: 1px solid #e2e8f0;
}

.accordion-item.active .accordion-content {
    display: block;
}

.schema-list-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr 1fr;
    gap: 15px;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid #f1f5f9;
}

.schema-list-item:last-child {
    border-bottom: none;
}

.schema-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 2px;
}

/* ===============================
   SCHEMA TABS (Mapped Classes)
================================ */
.schema-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 6px 0 10px 0;
    border-bottom: 2px solid #e2e8f0;
    margin-bottom: 0;
    background: #fff;
}

.schema-tab {
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    background: #f8fafc;
    color: var(--text-main);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.schema-tab:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
}

.schema-tab-active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.schema-tab-active:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
}

.schema-tab-count {
    opacity: 0.85;
    font-size: 11px;
    margin-left: 2px;
}

.schema-tab-panels {
    margin-top: 0;
}

.schema-tab-panel {
    display: none;
    max-height: 45vh;
    overflow-y: auto;
    overflow-x: auto;
    padding: 8px 0;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    background: #fafbfc;
}

.schema-tab-panel-active {
    display: block;
}

.schema-empty {
    text-align: center;
    padding: 24px;
    color: var(--text-muted);
    border: 1px dashed #cbd5e1;
    border-radius: 8px;
}

/* Compact schema row inside tab panel */
.schema-list-item-tab {
    display: grid;
    grid-template-columns: auto 1.5fr 70px 50px 1.2fr auto;
    gap: 10px;
    align-items: center;
    padding: 6px 10px;
    border-bottom: 1px solid #f1f5f9;
    font-size: 12px;
}

.schema-list-item-tab:last-child {
    border-bottom: none;
}

.schema-row-check {
    margin: 0;
    cursor: pointer;
}

.schema-row-check input {
    cursor: pointer;
}

.schema-row-subject {
    min-width: 0;
}

.schema-row-type .schema-badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
}

.schema-badge-theory {
    background: #10b981;
    color: #fff;
}

.schema-badge-lab {
    background: #6366f1;
    color: #fff;
}

.schema-badge-project {
    background: #b45309;
    color: #fff;
}

.schema-row-hours {
    font-weight: 600;
    color: var(--primary);
}

.schema-faculty-text {
    font-size: 11px;
    color: var(--text-main);
}

.schema-row-actions {
    display: flex;
    gap: 4px;
}

.btn-edit-sm,
.btn-delete-sm {
    padding: 3px 8px;
    font-size: 11px;
}

.schema-row-extra {
    grid-column: 1 / -1;
    font-size: 10px;
    color: var(--text-muted);
    margin-top: -2px;
    padding-left: 0;
}

.group-mapping-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 10px;
}

.group-faculty-box {
    background: #f1f5f9;
    padding: 10px;
    border-radius: 6px;
    font-size: 13px;
}

.btn-delete-item {
    padding: 5px 10px;
    background: #fee2e2;
    color: #dc2626;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.btn-delete-item:hover {
    background: #fecaca;
}

/* Faculty portal is now at /faculty.html (standalone PWA) */