/* Floating AI button */
.floating-ai-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    padding: 18px 36px !important; /* match Book Consultation size */
    border-radius: 9999px !important;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
}

/* Timetable Page Styles */

body.timetable {
    background: #f7f1ea;
    color: #4a351f;
}

body.timetable .container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 100%;
    padding-left: clamp(20px, 4vw, 60px);
    padding-right: clamp(20px, 4vw, 60px);
}

body.timetable .header-container {
    max-width: 100%;
    width: 100%;
    padding: 12px clamp(24px, 4vw, 72px);
}

/* Timetable Hero Section */
.timetable-hero {
    position: relative;
    padding: 110px 0 40px;
    overflow: hidden;
}

.timetable-hero::before,
.timetable-hero::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(0);
    opacity: 0.45;
}

.timetable-hero::before {
    width: 480px;
    height: 480px;
    top: -220px;
    right: -160px;
    background: radial-gradient(circle, rgba(218, 180, 130, 0.55) 0%, rgba(218, 180, 130, 0) 70%);
}

.timetable-hero::after {
    width: 420px;
    height: 420px;
    bottom: -320px;
    left: -140px;
    background: radial-gradient(circle, rgba(255, 215, 170, 0.45) 0%, rgba(255, 215, 170, 0) 75%);
}

.timetable-hero-content {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 56px;
    align-items: center;
}

.hero-copy {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(74, 53, 31, 0.6);
}

.timetable-title {
    font-size: clamp(2.6rem, 3.8vw, 3.5rem);
    font-weight: 800;
    line-height: 1.06;
    margin: 0;
    color: #3c2918;
}

.timetable-subtitle {
    max-width: 560px;
    font-size: 1.06rem;
    line-height: 1.65;
    color: rgba(74, 53, 31, 0.76);
    margin: 0;
}

.timetable-school {
    font-size: 0.95rem;
    font-weight: 600;
    color: #6b563f;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(139, 69, 19, 0.08);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
}

/* View Toggle */
.view-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(139, 69, 19, 0.16);
    border-radius: 999px;
    padding: 6px;
    box-shadow: 0 24px 48px -32px rgba(74, 53, 31, 0.45);
    backdrop-filter: blur(14px);
    width: fit-content;
    min-width: 0;
    align-self: flex-start;
}

.toggle-btn {
    background: transparent;
    border: none;
    color: rgba(74, 53, 31, 0.66);
    padding: 12px 24px;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.94rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.toggle-btn:hover:not(.active) {
    color: rgba(74, 53, 31, 0.9);
    transform: translateY(-1px);
}

.toggle-btn.active {
    background: linear-gradient(135deg, #8B4513 0%, #6b3410 100%);
    color: #fff;
    box-shadow: 0 10px 28px -16px rgba(107, 52, 16, 0.75);
}

.quick-filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.chip {
    border: 1px solid rgba(139, 69, 19, 0.18);
    background: rgba(255, 255, 255, 0.85);
    color: rgba(74, 53, 31, 0.7);
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.chip:hover {
    border-color: rgba(139, 69, 19, 0.35);
    color: rgba(74, 53, 31, 0.9);
    transform: translateY(-1px);
}

.chip.is-active {
    background: #f3e6d6;
    color: #6b3410;
    border-color: rgba(139, 69, 19, 0.45);
    box-shadow: 0 18px 40px -30px rgba(107, 52, 16, 0.65);
}

.hero-card {
    position: relative;
    background: rgba(255, 255, 255, 0.92);
    border-radius: 26px;
    padding: 32px;
    border: 1px solid rgba(139, 69, 19, 0.12);
    box-shadow: 0 36px 60px -44px rgba(74, 53, 31, 0.55);
    backdrop-filter: blur(22px);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hero-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid rgba(255, 255, 255, 0.4);
    pointer-events: none;
}

.hero-card-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(139, 69, 19, 0.1);
    color: #8B4513;
}

.hero-card-day {
    font-size: 0.9rem;
    color: rgba(74, 53, 31, 0.6);
}

.hero-card-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0;
    color: #3c2918;
}

.hero-card-description {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(74, 53, 31, 0.72);
}

.hero-card-meta {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
    font-size: 0.9rem;
    color: rgba(74, 53, 31, 0.75);
}

.hero-card-meta i {
    color: #8B4513;
    margin-right: 8px;
}

.hero-card-cta {
    align-self: flex-start;
    border: none;
    background: linear-gradient(135deg, #8B4513 0%, #6b3410 100%);
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 999px;
    font-size: 0.94rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 22px 36px -24px rgba(107, 52, 16, 0.7);
}

.hero-card-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 24px 40px -20px rgba(107, 52, 16, 0.75);
}

/* Timetable Content */
.timetable-content {
    margin-top: -24px;
    padding: 20px 0 80px;
}

.timetable-content .container {
    width: 100%;
    max-width: 100%;
}

.calendar-shell {
    background: #ffffff;
    border-radius: 28px;
    border: 1px solid rgba(139, 69, 19, 0.1);
    box-shadow: 0 40px 90px -60px rgba(48, 32, 15, 0.55);
    overflow: hidden;
}

.calendar-shell[data-view="week"] .calendar-meta .month-legend,
.calendar-shell[data-view="month"] .calendar-meta .week-legend {
    display: none;
}

.calendar-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 18px 28px;
    border-bottom: 1px solid rgba(139, 69, 19, 0.12);
    background: rgba(247, 241, 234, 0.35);
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.toolbar-today {
    border: 1px solid rgba(139, 69, 19, 0.25);
    background: #fff9f3;
    color: #6b3410;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 20px;
    cursor: pointer;
    transition: background 0.2s ease, box-shadow 0.2s ease;
}

.toolbar-today:hover {
    background: #fff1e1;
    box-shadow: 0 6px 18px -12px rgba(107, 52, 16, 0.6);
}

.toolbar-nav {
    display: inline-flex;
    border: 1px solid rgba(139, 69, 19, 0.18);
    border-radius: 999px;
    background: #ffffff;
    box-shadow: 0 14px 30px -28px rgba(107, 52, 16, 0.6);
}

.toolbar-nav-btn {
    border: none;
    background: transparent;
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #6b3410;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s ease;
}

.toolbar-nav-btn:first-child {
    border-top-left-radius: 999px;
    border-bottom-left-radius: 999px;
}

.toolbar-nav-btn:last-child {
    border-top-right-radius: 999px;
    border-bottom-right-radius: 999px;
}

.toolbar-nav-btn:hover {
    background: rgba(139, 69, 19, 0.08);
}

.toolbar-date {
    font-size: 1.5rem;
    font-weight: 700;
    color: #3c2918;
    min-width: 240px;
}

.toolbar-school {
    font-size: 0.95rem;
    font-weight: 600;
    color: #6b563f;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(139, 69, 19, 0.08);
}

.calendar-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 12px 28px 0;
    flex-wrap: wrap;
    text-align: center;
}

.calendar-views {
    padding: 0 0 32px;
}

.week-legend,
.month-legend {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 16px 0 28px;
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(139, 69, 19, 0.06);
    color: rgba(74, 53, 31, 0.72);
    border: 1px solid rgba(139, 69, 19, 0.14);
}

.legend-item::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 999px;
}

.legend-algebra::before { background: #8B4513; }
.legend-geometry::before { background: #a86a3d; }
.legend-calculus::before { background: #c4946b; }
.legend-chemistry::before { background: #d9b38c; }
.legend-physics::before { background: #b07d53; }
.legend-biology::before { background: #9d7046; }
.legend-intensive::before { background: #a0522d; }
.legend-lab::before { background: #c0804d; }
.legend-coaching::before { background: #864315; }

/* Week Grid */
.calendar-shell {
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid rgba(139, 69, 19, 0.12);
    box-shadow: 0 40px 90px -60px rgba(48, 32, 15, 0.55);
    overflow: hidden;
}

.week-grid-wrapper {
    border: 1px solid rgba(15, 28, 46, 0.08);
    border-radius: 0;
    overflow: visible;
    clip-path: inset(0 round 0);
    margin: 0;
}

.week-grid {
    --time-col-width: 128px;
    --hour-height: 75px;
    display: grid;
    grid-template-columns: var(--time-col-width) repeat(7, minmax(160px, 1fr));
    grid-template-rows: 64px calc(var(--hour-height) * 12);
    background: #ffffff;
    position: relative;
}

.week-grid-cell {
    border-right: 1px solid rgba(15, 28, 46, 0.08);
    border-bottom: 1px solid rgba(15, 28, 46, 0.08);
    background: #ffffff;
    position: relative;
    z-index: 1;
}

.week-grid-cell:nth-child(8n) {
    border-right: none;
}

.time-heading {
    background: #fbf6f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(74, 53, 31, 0.8);
}

.day-heading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 8px;
    text-align: center;
}

.day-heading .day-header {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-weight: 700;
    color: #3c2918;
}

.day-heading .day-date {
    font-weight: 600;
    font-size: 0.75rem;
    color: rgba(15, 28, 46, 0.55);
}

.day-heading.is-today {
    background: rgba(243, 230, 214, 0.4);
    color: #8B4513;
}

.day-heading.is-today .day-header,
.day-heading.is-today .day-date {
    color: #8B4513;
}

.time-column {
    background: #fbf6f0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    height: 100%;
    padding: 0;
}

.day-column {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    height: 100%;
}

.day-column.is-today {
    background: rgba(243, 230, 214, 0.25);
}

.time-header {
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(74, 53, 31, 0.8);
    text-align: center;
    width: 100%;
}

.day-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.day-date {
    font-weight: 600;
    font-size: 0.75rem;
    color: rgba(15, 28, 46, 0.55);
}

.time-slots {
    display: grid;
    grid-template-rows: repeat(12, var(--hour-height));
    position: relative;
    padding: 0;
    width: 100%;
    height: calc(var(--hour-height) * 12);
    z-index: 1;
}

.time-slots::before {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        rgba(15, 28, 46, 0.08) 0,
        rgba(15, 28, 46, 0.08) 1px,
        transparent 1px,
        transparent var(--hour-height)
    );
    pointer-events: none;
}

.time-slots::after {
    content: "";
    position: absolute;
    left: 8px;
    right: 8px;
    bottom: 0;
    height: 1px;
    background: rgba(15, 28, 46, 0.08);
}

.time-slot {
    padding: 0;
    height: 100%;
    position: relative;
    z-index: 1;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(15, 28, 46, 0.62);
    text-align: center;
}

.time-marker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    line-height: 1;
    color: inherit;
    font-weight: inherit;
}

.day-slots {
    position: relative;
    height: calc(var(--hour-height) * 12); /* 12 hours * 75px */
    z-index: 1;
}

.day-slots::before {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        rgba(15, 28, 46, 0.08) 0,
        rgba(15, 28, 46, 0.08) 1px,
        transparent 1px,
        transparent var(--hour-height)
    );
    pointer-events: none;
    z-index: 0;
}

.day-slots::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: rgba(15, 28, 46, 0.08);
    pointer-events: none;
    z-index: 0;
}

/* Ensure events render above grid lines */
.class-slot { z-index: 1; }

.class-slot {
    --event-bg: rgba(139, 69, 19, 0.08);
    --event-accent: rgba(139, 69, 19, 0.8);
    --event-text: #3c2918;
    position: absolute;
    left: 10px;
    right: 6px;
    border-radius: 12px;
    padding: 10px 12px 10px 14px;
    box-shadow: 0 14px 30px -22px rgba(48, 32, 15, 0.55);
    margin-top: 4px;
    background: var(--event-bg);
    color: var(--event-text);
    border-left: 4px solid var(--event-accent);
    border-top: 1px solid rgba(0, 0, 0, 0.04);
    border-right: 1px solid rgba(0, 0, 0, 0.02);
    border-bottom: 1px solid rgba(0, 0, 0, 0.02);
}

.class-slot .class-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.class-slot .class-info h4 {
    margin: 0;
    font-weight: 700;
    font-size: 0.85rem;
    line-height: 1.2;
}

.class-slot .class-info .time {
    font-size: 0.7rem;
    opacity: 0.85;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.class-slot.algebra { --event-accent: #8B4513; --event-bg: rgba(139, 69, 19, 0.18); --event-text: #3f230e; }
.class-slot.geometry { --event-accent: #a86a3d; --event-bg: rgba(168, 106, 61, 0.16); --event-text: #3b2312; }
.class-slot.calculus { --event-accent: #c4946b; --event-bg: rgba(196, 148, 107, 0.2); --event-text: #3a2010; }
.class-slot.chemistry { --event-accent: #d9b38c; --event-bg: rgba(217, 179, 140, 0.22); --event-text: #4a2e18; }
.class-slot.physics { --event-accent: #b07d53; --event-bg: rgba(176, 125, 83, 0.2); --event-text: #402412; }
.class-slot.biology { --event-accent: #9d7046; --event-bg: rgba(157, 112, 70, 0.2); --event-text: #331b0a; }

/* Position classes based on time (12:00 PM -> 12:00 AM), 75px per hour */
.class-slot[data-time="12:00"] { top: 0px; }
.class-slot[data-time="01:00"] { top: 75px; }
.class-slot[data-time="02:00"] { top: 150px; }
.class-slot[data-time="03:00"] { top: 225px; }
.class-slot[data-time="04:00"] { top: 300px; }
.class-slot[data-time="05:00"] { top: 375px; }
.class-slot[data-time="06:00"] { top: 450px; }
.class-slot[data-time="07:00"] { top: 525px; }
.class-slot[data-time="08:00"] { top: 600px; }
.class-slot[data-time="09:00"] { top: 675px; }
.class-slot[data-time="10:00"] { top: 750px; }
.class-slot[data-time="11:00"] { top: 825px; }
.class-slot[data-time="00:00"] { top: 900px; }

/* Month View */
.month-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    padding: 18px 28px 12px;
    border-bottom: 1px solid rgba(15, 28, 46, 0.08);
}

.month-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.current-month {
    font-size: 1.5rem;
    font-weight: 700;
    color: #3c2918;
    margin: 0;
}

.month-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(140px, 1fr));
    grid-template-rows: 40px repeat(6, minmax(120px, 1fr));
    border-left: 1px solid rgba(15, 28, 46, 0.08);
    border-bottom: 1px solid rgba(15, 28, 46, 0.08);
}

.month-grid-day-name {
    border-right: 1px solid rgba(15, 28, 46, 0.08);
    border-top: 1px solid rgba(15, 28, 46, 0.08);
    background: rgba(247, 241, 234, 0.6);
    text-align: center;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: center;
}

.month-day {
    background: #ffffff;
    padding: 12px 10px 10px;
    position: relative;
    border-right: 1px solid rgba(15, 28, 46, 0.08);
    border-top: 1px solid rgba(15, 28, 46, 0.08);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    gap: 6px;
}

.month-day-date {
    font-weight: 600;
    color: rgba(15, 28, 46, 0.75);
    margin-bottom: 8px;
    font-size: 0.9rem;
    text-align: right;
}

.month-day.other-month {
    background: rgba(247, 241, 234, 0.5);
    color: rgba(74, 53, 31, 0.35);
}

.month-day.other-month .month-day-date {
    color: rgba(74, 53, 31, 0.4);
}

.month-day.today {
    background: rgba(243, 230, 214, 0.45);
    border-color: rgba(139, 69, 19, 0.25);
    box-shadow: inset 0 0 0 1px rgba(139, 69, 19, 0.18);
}

.month-class {
    background: rgba(139, 69, 19, 0.08);
    color: #6b3410;
    padding: 6px 8px;
    border-radius: 10px;
    border: 1px solid rgba(139, 69, 19, 0.12);
    font-size: 0.76rem;
    margin-bottom: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.month-class:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 25px -20px rgba(139, 69, 19, 0.6);
}

.month-class.algebra { background: rgba(139, 69, 19, 0.18); color: #8B4513; }
.month-class.geometry { background: rgba(168, 106, 61, 0.18); color: #a86a3d; }
.month-class.calculus { background: rgba(196, 148, 107, 0.2); color: #7b4c20; }
.month-class.chemistry { background: rgba(217, 179, 140, 0.22); color: #7a5030; }
.month-class.physics { background: rgba(176, 125, 83, 0.2); color: #6b3410; }
.month-class.biology { background: rgba(157, 112, 70, 0.2); color: #5a2b0d; }

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .timetable-hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-card {
        order: -1;
    }

    .calendar-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .toolbar-left {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .toolbar-right {
        width: 100%;
        justify-content: flex-start;
    }

    .week-grid {
        grid-template-columns: 90px repeat(7, minmax(120px, 1fr));
    }

    .legend-item {
        font-size: 0.75rem;
    }

    .class-slot {
        padding: 12px 14px;
    }

    .class-slot .class-info h4 {
        font-size: 0.8rem;
    }

    .class-slot .class-info .time {
        font-size: 0.65rem;
    }
}

@media (max-width: 768px) {
    .timetable-hero {
        padding: 80px 0 40px;
    }

    .timetable-title {
        font-size: 2.3rem;
    }

    .calendar-toolbar {
        padding: 16px;
    }

    .toolbar-left {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .toolbar-date {
        min-width: auto;
    }

    .week-grid {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }

    .time-column {
        display: none;
    }

    .time-heading {
        display: none;
    }

    .day-column {
        min-height: 520px;
    }

    .month-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
}