/* ===================================================
   Public Timetable Pages — Shared Styles
   Uses the same design tokens as home.css
   =================================================== */

/* ── Page wrapper ── */
.pt-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Header ── */
.pt-header {
    position: sticky; top: 0; z-index: 50;
    backdrop-filter: blur(20px) saturate(1.4);
    background: var(--home-topbar-bg);
    border-bottom: 1px solid var(--home-border);
}
.pt-header .container {
    display: flex; flex-wrap: wrap;
    align-items: center; justify-content: space-between;
    padding-top: .75rem; padding-bottom: .75rem;
}
.pt-brand { display: flex; align-items: center; gap: .5rem; }
a.pt-brand-link, a.pt-brand-link:visited {
    color: var(--home-ink) !important;
    font-family: 'Changa', sans-serif;
    font-size: 1.15rem;
    text-decoration: none !important;
    display: inline-flex; align-items: center; gap: .5rem;
}
a.pt-brand-link:hover { color: var(--home-accent) !important; }

.pt-nav { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
a.pt-nav-link, a.pt-nav-link:visited, button.pt-nav-link {
    color: var(--home-muted) !important;
    text-decoration: none !important;
    padding: .4rem .75rem;
    border-radius: 999px;
    font-weight: 600; font-size: .85rem;
    transition: all .2s;
}
a.pt-nav-link:hover, button.pt-nav-link:hover, a.pt-nav-link.active, button.pt-nav-link.active {
    color: var(--home-accent) !important;
    background: rgba(56,189,248,0.1);
}
a.pt-nav-link.active, button.pt-nav-link.active {
    background: rgba(56,189,248,0.15);
    border: 1px solid rgba(56,189,248,0.2);
}

/* ── Main Content ── */
.pt-main {
    flex: 1;
    position: relative; z-index: 1;
    padding: 2rem 0 3rem;
}

/* ── Page Title ── */
.pt-title-section {
    text-align: center;
    margin-bottom: 2rem;
}
.pt-badge {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .45rem 1rem; border-radius: 999px;
    background: rgba(56,189,248,0.12);
    color: var(--home-accent);
    font-weight: 600; font-size: .85rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(56,189,248,0.2);
}
.pt-title {
    font-family: 'Changa', sans-serif;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    margin-bottom: .5rem;
    background: linear-gradient(135deg, var(--home-ink) 30%, var(--home-accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.pt-subtitle {
    color: var(--home-muted);
    font-size: 1rem;
    margin: 0;
}

/* ── Filter Card ── */
.pt-filter-card {
    padding: 1.5rem;
    border-radius: var(--home-radius);
    background: var(--home-surface);
    border: 1px solid var(--home-border);
    backdrop-filter: blur(12px);
    margin-bottom: 1.5rem;
}
.pt-filter-card h3 {
    font-family: 'Changa', sans-serif;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex; align-items: center; gap: .5rem;
    color: var(--home-ink);
}
.pt-filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
}
.pt-field { }
.pt-field label {
    display: block; font-weight: 600;
    margin-bottom: .35rem; font-size: .88rem;
    color: var(--home-ink);
    opacity: 0.8;
}
.pt-field select, .pt-field input {
    width: 100%; height: 2.7rem;
    border-radius: 12px;
    border: 1px solid var(--home-border);
    background: var(--home-input-bg);
    color: var(--home-ink);
    padding: 0 .85rem;
    font-family: 'Tajawal', sans-serif;
    font-size: .9rem;
    transition: border-color .2s;
    -webkit-appearance: none;
    appearance: none;
}
.pt-field select:focus, .pt-field input:focus {
    outline: none;
    border-color: var(--home-accent);
    box-shadow: 0 0 0 3px rgba(56,189,248,0.15);
}
.pt-filter-actions {
    display: flex; gap: .6rem;
    align-items: end;
}
.pt-btn {
    padding: .7rem 1.4rem; border-radius: 12px;
    font-weight: 700; font-size: .88rem;
    text-align: center; text-decoration: none;
    border: none; cursor: pointer;
    font-family: 'Tajawal', sans-serif;
    transition: all .2s;
    display: inline-flex; align-items: center; gap: .4rem;
}
.pt-btn-primary {
    background: linear-gradient(135deg, var(--home-accent), var(--home-accent2));
    color: #fff !important;
}
.pt-btn-primary:hover { box-shadow: 0 6px 20px rgba(56,189,248,0.3); transform: translateY(-1px); }
.pt-btn-secondary {
    background: var(--home-surface-alt);
    color: var(--home-ink) !important;
    border: 1px solid var(--home-border) !important;
}
.pt-btn-secondary:hover { color: var(--home-ink) !important; }
.pt-btn-print {
    background: rgba(45,212,191,0.15);
    color: var(--home-teal) !important;
    border: 1px solid rgba(45,212,191,0.2) !important;
}
.pt-btn-print:hover { background: rgba(45,212,191,0.25); }

/* ── Results Card ── */
.pt-results-card {
    padding: 1.5rem;
    border-radius: var(--home-radius);
    background: var(--home-surface);
    border: 1px solid var(--home-border);
    backdrop-filter: blur(12px);
    margin-bottom: 1.5rem;
    animation: homeFadeUp .5s ease both;
}
.pt-results-header {
    display: flex; flex-wrap: wrap;
    align-items: center; justify-content: space-between;
    gap: 1rem; margin-bottom: 1.2rem;
}
.pt-results-header h3 {
    font-family: 'Changa', sans-serif;
    font-size: 1.15rem; margin: 0;
    display: flex; align-items: center; gap: .5rem;
}
.pt-results-badge {
    padding: .4rem .85rem;
    border-radius: 999px;
    background: rgba(45,212,191,0.12);
    color: var(--home-teal);
    font-weight: 700; font-size: .88rem;
}
.pt-results-actions {
    display: flex; gap: .5rem; flex-wrap: wrap;
}

/* ── Active Filter Chips ── */
.pt-chips { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1rem; }
.pt-chip {
    display: inline-flex; align-items: center; gap: .3rem;
    padding: .3rem .65rem; border-radius: 999px;
    background: rgba(56,189,248,0.12);
    color: var(--home-accent);
    font-weight: 600; font-size: .8rem;
}

/* ── Pivot Table ── */
.pt-pivot-wrap {
    border-radius: 14px; overflow: hidden;
    border: 1px solid var(--home-border);
}
.pt-pivot-wrap table {
    margin-bottom: 0; width: 100%;
    border-collapse: collapse;
}
.pt-pivot-wrap thead th {
    background: var(--home-th-bg);
    color: var(--home-accent);
    border-color: var(--home-border);
    padding: .75rem .85rem;
    font-weight: 600; font-size: .85rem;
    white-space: nowrap;
    text-align: center;
}
.pt-pivot-wrap tbody td {
    padding: .5rem;
    border-color: var(--home-border);
    border: 1px solid var(--home-border);
    vertical-align: top;
    min-width: 140px;
    min-height: 90px;
}
.pt-pivot-day {
    background: rgba(56,189,248,0.08) !important;
    font-weight: 700;
    min-width: 80px;
    text-align: center;
    vertical-align: middle !important;
    font-size: .95rem;
}

/* ── Course Cells ── */
.pt-course {
    border-radius: 10px; padding: .55rem .7rem;
    margin-bottom: .35rem; color: #fff;
    transition: transform .15s, box-shadow .15s;
    position: relative;
    overflow: hidden;
}
.pt-course:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}
.pt-course::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    pointer-events: none;
}
.pt-course-theory {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
}
.pt-course-practical {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}
.pt-course-mixed {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}
.pt-course-lab {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}
.pt-course-title {
    font-weight: 700; margin-bottom: .2rem;
    font-size: .85rem; line-height: 1.3;
}
.pt-course-meta {
    font-size: .78rem; opacity: .92;
    display: flex; align-items: center; gap: .3rem;
    margin-top: .15rem;
}
.pt-empty-cell {
    color: #475569; text-align: center;
    font-size: .85rem; padding: .5rem;
}

/* ── Legend ── */
.pt-legend {
    display: flex; flex-wrap: wrap; gap: .6rem;
    padding: .85rem 1rem;
    border-radius: 12px;
    background: var(--home-empty-bg);
    border: 1px solid var(--home-border);
    margin-top: 1rem;
}
.pt-legend-item {
    display: flex; align-items: center; gap: .35rem;
    font-size: .82rem; color: var(--home-muted);
}
.pt-legend-dot {
    width: 12px; height: 12px; border-radius: 4px;
    flex-shrink: 0;
}
.pt-legend-dot.theory { background: linear-gradient(135deg, #0ea5e9, #0284c7); }
.pt-legend-dot.practical { background: linear-gradient(135deg, #f59e0b, #d97706); }
.pt-legend-dot.mixed { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.pt-legend-dot.lab { background: linear-gradient(135deg, #ef4444, #dc2626); }

/* ── Stats Row ── */
.pt-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: .85rem;
    margin-bottom: 1.5rem;
}
.pt-stat-card {
    text-align: center;
    padding: 1rem .8rem;
    border-radius: 16px;
    background: var(--home-surface);
    border: 1px solid var(--home-border);
    backdrop-filter: blur(12px);
}
.pt-stat-val {
    font-family: 'Changa', sans-serif;
    font-size: 1.6rem; line-height: 1;
    margin-bottom: .3rem;
    background: linear-gradient(135deg, var(--home-accent), var(--home-teal));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.pt-stat-label { color: var(--home-muted); font-size: .82rem; }

/* ── Flat List ── */
.pt-flat-wrap {
    border-radius: 14px; overflow: hidden;
    border: 1px solid var(--home-border);
    margin-top: 1rem;
}
.pt-flat-wrap table { margin-bottom: 0; width: 100%; border-collapse: collapse; }
.pt-flat-wrap thead th {
    background: var(--home-th-bg);
    color: var(--home-accent);
    border-color: var(--home-border);
    padding: .65rem .75rem;
    font-weight: 600; font-size: .85rem;
    white-space: nowrap;
}
.pt-flat-wrap tbody td {
    padding: .6rem .75rem;
    border-color: var(--home-border);
    color: var(--home-ink);
    font-size: .88rem;
}
.pt-flat-wrap tbody tr { background: transparent; transition: background .15s; }
.pt-flat-wrap tbody tr:hover { background: rgba(56,189,248,0.05); }

/* ── Empty / Loading ── */
.pt-empty {
    text-align: center; padding: 3rem 1.5rem;
    border-radius: 16px;
    border: 1px dashed rgba(148,163,184,0.2);
    background: var(--home-empty-bg);
}
.pt-empty-icon {
    font-size: 2.5rem;
    color: var(--home-muted);
    margin-bottom: .8rem;
    opacity: .5;
}
.pt-empty h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.pt-empty p { color: var(--home-muted); margin: 0; }

.pt-loading {
    text-align: center; padding: 3rem 1rem;
}
.pt-loading .spinner-border {
    width: 2.5rem; height: 2.5rem;
    border-color: var(--home-accent);
    border-right-color: transparent;
}
.pt-loading p { color: var(--home-muted); margin-top: .8rem; }

/* ── Footer ── */
.pt-footer {
    padding: 1.5rem 0;
    border-top: 1px solid var(--home-border);
    color: var(--home-muted); font-size: .85rem;
    position: relative; z-index: 1;
}

/* ── Quick-access cards (from home page) ── */
.pt-quick-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.pt-quick-card {
    display: flex; flex-direction: column;
    align-items: center; gap: .8rem;
    padding: 1.5rem 1rem;
    border-radius: var(--home-radius);
    background: var(--home-surface);
    border: 1px solid var(--home-border);
    backdrop-filter: blur(12px);
    text-decoration: none !important;
    color: var(--home-ink) !important;
    transition: transform .25s, border-color .25s, box-shadow .25s;
}
.pt-quick-card:hover {
    transform: translateY(-4px);
    border-color: rgba(56,189,248,0.3);
    box-shadow: 0 12px 32px rgba(56,189,248,0.12);
}
.pt-quick-card .pt-quick-icon {
    width: 3.5rem; height: 3.5rem;
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
}
.pt-quick-icon.student {
    background: rgba(56,189,248,0.15);
    color: var(--home-accent);
}
.pt-quick-icon.faculty {
    background: rgba(129,140,248,0.15);
    color: var(--home-accent2);
}
.pt-quick-icon.classroom {
    background: rgba(45,212,191,0.15);
    color: var(--home-teal);
}
.pt-quick-icon.print {
    background: rgba(251,191,36,0.15);
    color: var(--home-gold);
}
.pt-quick-card h4 {
    font-family: 'Changa', sans-serif;
    font-size: .95rem;
    margin: 0;
}
.pt-quick-card p {
    color: var(--home-muted);
    font-size: .82rem;
    margin: 0; text-align: center;
}

/* ── Today Highlight ── */
.pt-today-row {
    background: rgba(56,189,248,0.06) !important;
}
.pt-today-row .pt-pivot-day {
    background: rgba(56,189,248,0.2) !important;
    color: var(--home-accent);
}

/* ── Responsive ── */
@media (max-width: 991.98px) {
    .pt-filter-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767.98px) {
    .pt-filter-grid { grid-template-columns: 1fr; }
    .pt-stats-row { grid-template-columns: repeat(2, 1fr); }
    .pt-quick-grid { grid-template-columns: 1fr; }
    .pt-nav { gap: .3rem; }
}
@media (max-width: 575.98px) {
    .pt-main { padding: 1rem 0 2rem; }
    .pt-results-card { padding: 1rem; }
    .pt-filter-card { padding: 1rem; }
}

/* ── Print Styles ── */
@media print {
    body.public-home-page::before { display: none; }
    .pt-header, .pt-footer, .pt-filter-card,
    .pt-results-actions, .pt-legend,
    .pt-nav, .pt-btn, .no-print { display: none !important; }

    body.public-home-page {
        background: #fff !important;
        color: #000 !important;
    }
    .pt-page { min-height: auto; }
    .pt-main { padding: 0; }
    .pt-results-card {
        background: transparent !important;
        border: none !important;
        padding: 0 !important;
        backdrop-filter: none !important;
    }
    .pt-pivot-wrap { border: 2px solid #333; }
    .pt-pivot-wrap thead th {
        background: #e5e7eb !important;
        color: #000 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    .pt-pivot-day {
        background: #f3f4f6 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    .pt-pivot-wrap tbody td {
        border-color: #d1d5db !important;
        color: #000 !important;
    }
    .pt-course {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
        break-inside: avoid;
    }
    .pt-course-title, .pt-course-meta { color: #fff !important; }
    .pt-title-section { margin-bottom: 1rem; }
    .pt-title {
        background: none !important;
        -webkit-text-fill-color: #000 !important;
        font-size: 1.5rem !important;
    }
    .pt-subtitle { color: #555 !important; }
    .pt-print-header {
        display: block !important;
        text-align: center;
        margin-bottom: 1rem;
        padding-bottom: .5rem;
        border-bottom: 2px solid #000;
    }
    .pt-print-header h2 { font-size: 1.3rem; margin-bottom: .3rem; }
    .pt-print-header p { font-size: .85rem; color: #555; }
}
.pt-print-header { display: none; }

/* ── Animations ── */
@keyframes ptSlideIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}
.pt-animate { animation: ptSlideIn .4s ease both; }
.pt-animate-d1 { animation-delay: .1s; }
.pt-animate-d2 { animation-delay: .15s; }
.pt-animate-d3 { animation-delay: .2s; }