:root {
    --black: #050505;
    --black-soft: #101010;
    --green: #004741;
    --green-lift: #005a52;
    --sand: #f0ede4;

    --sand-dim: rgba(240, 237, 228, 0.66);
    --sand-line: rgba(240, 237, 228, 0.22);
    --sand-hairline: rgba(240, 237, 228, 0.12);

    --green-dim: rgba(0, 45, 41, 0.74);
    --green-line: rgba(0, 71, 65, 0.20);
    --green-hairline: rgba(0, 71, 65, 0.12);

    --font-display: 'Anton', 'Arial Narrow', Impact, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --radius: 26px;
    --radius-sm: 20px;
    --transition: 0.24s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

@media (min-width: 900px)  { html { font-size: 17px; } }
@media (min-width: 1280px) { html { font-size: 18px; } }
@media (min-width: 1700px) { html { font-size: 20px; } }
@media (min-width: 2100px) { html { font-size: 24px; } }
@media (min-width: 2800px) { html { font-size: 30px; } }

body {
    font-family: var(--font-body);
    font-size: 0.94rem;
    line-height: 1.5;
    background: var(--black);
    color: var(--sand);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

button {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

::selection { background: var(--sand); color: var(--green); }

.page {
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    padding: clamp(10px, 1.1vw, 24px) clamp(10px, 1.5vw, 28px) calc(120px + env(safe-area-inset-bottom));
}

.page-home {
    padding-bottom: calc(40px + env(safe-area-inset-bottom));
}

.card {
    border-radius: var(--radius);
    position: relative;
}

.card-green {
    background: var(--green);
    color: var(--sand);
    border: 1px solid var(--sand-hairline);
}

.card-sand {
    background: var(--sand);
    color: var(--green);
}

.hero {
    display: flex;
    flex-direction: column;
    min-height: min(74vh, 560px);
    padding: clamp(18px, 2vw, 34px) clamp(18px, 2.2vw, 38px) clamp(20px, 2.2vw, 36px);
}

.hero-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
}

.brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
}

.brand-name {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.brand-date {
    font-size: 0.72rem;
    font-weight: 500;
    line-height: 1;
    letter-spacing: 0.04em;
    color: var(--sand-dim);
}

a.brand { transition: opacity var(--transition); }
a.brand:hover { opacity: 0.72; }

.week {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 3px;
    text-align: right;
}

.week-label {
    font-size: 0.6rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--sand-dim);
}

.week-value {
    font-family: var(--font-display);
    font-size: 1.16rem;
    line-height: 1;
    letter-spacing: 0.025em;
    text-transform: uppercase;
    white-space: nowrap;
}

.hero-mid {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(28px, 4vw, 60px) 0;
    text-align: center;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3.4rem, 17vw, 7.5rem);
    line-height: 0.86;
    letter-spacing: 0.005em;
    text-transform: uppercase;
    overflow-wrap: anywhere;
}

.hero-foot {
    border-top: 1px solid var(--sand-hairline);
    padding-top: clamp(14px, 1.4vw, 22px);
}

.school {
    font-size: 0.86rem;
    line-height: 1.4;
    font-weight: 500;
    max-width: 34ch;
}

.faculty {
    margin-top: 7px;
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--sand-dim);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 8vw, 3.2rem);
    line-height: 1;
    letter-spacing: 0.005em;
    text-transform: uppercase;
    color: var(--sand);
    white-space: nowrap;
    padding: 0 4px clamp(14px, 1.4vw, 24px);
}

.menu-section { padding-top: clamp(34px, 4vw, 64px); }

.year-block { margin-bottom: clamp(22px, 2.4vw, 40px); }

.year-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding: 0 4px 10px;
}

.year-title {
    font-family: var(--font-display);
    font-size: 1.16rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--sand);
}

.year-count {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--sand-dim);
    font-variant-numeric: tabular-nums;
}

.class-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(clamp(96px, 11vw, 168px), 1fr));
    gap: clamp(8px, 0.8vw, 14px);
}

.class-card {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: clamp(66px, 7vw, 110px);
    padding: 10px 8px;
    border-radius: var(--radius-sm);
    background: var(--green);
    border: 1px solid var(--sand-hairline);
    color: var(--sand);
    font-family: var(--font-display);
    font-size: clamp(1.05rem, 1.5vw, 1.6rem);
    letter-spacing: 0.03em;
    text-transform: uppercase;
    text-align: center;
    opacity: 0;
    transition: background var(--transition), color var(--transition),
                border-color var(--transition), transform var(--transition);
}

.class-card.visible {
    opacity: 1;
    animation: cardIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.class-card:hover,
.class-card:focus-visible {
    background: var(--sand);
    color: var(--green);
    border-color: var(--sand);
    transform: translateY(-2px);
    outline: none;
}

.class-card:active { transform: translateY(0) scale(0.98); }

.today-card {
    margin-top: 10px;
    padding: clamp(16px, 1.6vw, 26px) clamp(16px, 1.8vw, 30px) clamp(12px, 1.2vw, 20px);
}

.today-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 12px;
}

.label {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.label-dim {
    color: var(--green-dim);
    font-weight: 500;
}

.list.hidden { display: none; }

.list.enter .lesson,
.list.enter .empty {
    animation: lessonIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) backwards;
    animation-delay: calc(var(--i, 0) * 50ms);
}

@keyframes lessonIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: none; }
}

.lesson {
    display: grid;
    grid-template-columns: clamp(28px, 3vw, 46px) 1fr auto;
    align-items: center;
    gap: clamp(10px, 1vw, 18px);
    padding: clamp(12px, 1.1vw, 18px) 2px;
    border-top: 1px solid var(--green-hairline);
}

.lesson-num {
    font-family: var(--font-display);
    font-size: 1.85rem;
    line-height: 0.9;
    color: var(--green);
    opacity: 0.62;
}

.lesson-body { min-width: 0; }

.lesson-name {
    display: block;
    font-size: 1.02rem;
    font-weight: 600;
    line-height: 1.28;
    letter-spacing: -0.01em;
    overflow-wrap: break-word;
}

.lesson-type {
    display: block;
    margin-top: 3px;
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--green-dim);
}

.lesson-room {
    padding: 7px 13px;
    border-radius: 999px;
    border: 1.3px solid var(--green-line);
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
}

.empty {
    padding: clamp(22px, 2vw, 34px) 2px clamp(26px, 2.2vw, 38px);
    border-top: 1px solid var(--green-hairline);
    font-size: 0.9rem;
    color: var(--green-dim);
}

.week-section { padding-top: clamp(34px, 4vw, 64px); }

.day-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(8px, 0.8vw, 14px);
}

.day-card {
    background: var(--green);
    color: var(--sand);
    border: 1px solid var(--sand-hairline);
    border-radius: var(--radius-sm);
    padding: clamp(13px, 1.1vw, 20px) clamp(15px, 1.3vw, 24px) clamp(11px, 1vw, 18px);
    opacity: 0;
    transition: border-color var(--transition);
}

.day-card.visible {
    opacity: 1;
    animation: cardIn 0.45s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

@keyframes cardIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: none; }
}

.day-card:hover { border-color: var(--sand-line); }

.day-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    padding-bottom: 10px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--sand-line);
}

.day-name {
    font-family: var(--font-display);
    font-size: 1.35rem;
    line-height: 1;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.day-num {
    font-family: var(--font-display);
    font-size: 0.86rem;
    opacity: 0.7;
}

.day-row {
    display: grid;
    grid-template-columns: 14px 1fr auto;
    align-items: baseline;
    gap: 10px;
    padding: 7px 0;
    font-size: 0.88rem;
}

.day-row-num {
    font-family: var(--font-display);
    font-size: 0.78rem;
    opacity: 0.78;
}

.day-row-name { min-width: 0; overflow-wrap: break-word; }

.day-row-type {
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    opacity: 0.78;
    white-space: nowrap;
}

.day-card .empty {
    padding: 12px 0 6px;
    border: none;
    font-size: 0.82rem;
    color: inherit;
    opacity: 0.78;
}

.footer {
    margin-top: clamp(32px, 3.4vw, 56px);
    padding: clamp(16px, 1.4vw, 24px) 4px 0;
    border-top: 1px solid var(--sand-hairline);
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.72rem;
    letter-spacing: 0.02em;
    color: var(--sand-dim);
}

.footer-dot { opacity: 0.4; }

.switch {
    position: fixed;
    left: 10px;
    right: 10px;
    bottom: calc(10px + env(safe-area-inset-bottom));
    z-index: 40;
    max-width: 660px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    padding: 5px;
    border-radius: 999px;
    background: var(--black-soft);
    border: 1px solid var(--sand-line);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.55);
    isolation: isolate;
}

.switch-thumb {
    position: absolute;
    top: 5px;
    bottom: 5px;
    left: 5px;
    width: calc(50% - 7px);
    border-radius: 999px;
    background: var(--sand);
    transition: transform var(--transition);
    z-index: -1;
}

.switch.second .switch-thumb {
    transform: translateX(calc(100% + 4px));
}

.switch-btn {
    display: flex;
    flex-direction: column;
    gap: 1px;
    padding: 10px 16px;
    border-radius: 999px;
    text-align: left;
    color: var(--sand);
    min-width: 0;
    transition: color var(--transition);
}

.switch-label {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    opacity: 0.62;
}

.switch-day {
    font-family: var(--font-display);
    font-size: 1.12rem;
    line-height: 1.05;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.switch-btn.active { color: var(--green); }
.switch-btn.active .switch-label { opacity: 0.72; }

.switch-btn:active { transform: scale(0.975); }

.switch-btn:focus-visible {
    outline: 2px solid var(--sand);
    outline-offset: 2px;
}

.rise {
    animation: riseIn 0.55s cubic-bezier(0.4, 0, 0.2, 1) backwards;
    animation-delay: calc(var(--i, 0) * 70ms);
}

@keyframes riseIn {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: none; }
}

.notice {
    padding: clamp(28px, 3vw, 48px) clamp(18px, 2vw, 32px);
    text-align: center;
    font-size: 0.95rem;
    color: var(--green-dim);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 9px 18px;
    border-radius: 999px;
    border: 1.3px solid var(--sand-line);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: background var(--transition), color var(--transition);
}

.back-link:hover { background: var(--sand); color: var(--green); border-color: var(--sand); }

@media (min-width: 620px) {
    .day-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .class-top {
        display: grid;
        grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
        gap: 12px;
        align-items: stretch;
    }

    .hero { min-height: 0; }
    .today-card { margin-top: 0; }
    .day-grid { grid-template-columns: repeat(3, 1fr); }
    .switch { max-width: 460px; }
}

@media (min-width: 1700px) {
    .hero-title { font-size: clamp(5rem, 7vw, 9rem); }
    .switch { max-width: 520px; }
}

@media (min-width: 1800px) { .page { max-width: 1700px; } }
@media (min-width: 2200px) { .page { max-width: 2040px; } }
@media (min-width: 2800px) { .page { max-width: 2420px; } }

@media (max-width: 360px) {
    .lesson-room { padding: 6px 10px; font-size: 0.72rem; }
    .switch-btn { padding: 9px 12px; }
    .class-grid { grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
    .day-card, .day-card.visible,
    .class-card, .class-card.visible { opacity: 1; animation: none !important; }
}