:root {
    --bg-cream: #f6f1e7;
    --bg-paper: rgba(255, 250, 241, 0.88);
    --bg-paper-strong: rgba(255, 248, 237, 0.96);
    --ink: #16312c;
    --ink-soft: #47615a;
    --pine: #0c4034;
    --pine-deep: #082a22;
    --mint: #8fc7b6;
    --sea: #1b7f77;
    --amber: #d89b37;
    --coral: #ce6f4f;
    --rose: #f1d5c7;
    --line: rgba(12, 64, 52, 0.12);
    --shadow: 0 24px 60px rgba(17, 49, 42, 0.14);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 16px;
    --radius-sm: 12px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(143, 199, 182, 0.55), transparent 26%),
        radial-gradient(circle at top right, rgba(216, 155, 55, 0.22), transparent 20%),
        linear-gradient(180deg, #fbf7ef 0%, #f4ebdc 100%);
    font-family: "Avenir Next", "Segoe UI", "Trebuchet MS", sans-serif;
}

a {
    color: inherit;
}

button,
input {
    font: inherit;
}

.backdrop {
    position: fixed;
    inset: 0;
    background: rgba(8, 42, 34, 0.34);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
    z-index: 25;
}

body.detail-open {
    overflow: hidden;
}

body.detail-open .backdrop {
    opacity: 1;
    pointer-events: auto;
}

.app-shell {
    width: min(1280px, calc(100% - 1.2rem));
    margin: 0 auto;
    padding: 1rem 0 4rem;
}

.hero,
.panel {
    border: 1px solid rgba(255, 255, 255, 0.55);
    background: var(--bg-paper);
    backdrop-filter: blur(22px);
    box-shadow: var(--shadow);
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 1.25rem;
    border-radius: var(--radius-xl);
}

.hero::after {
    content: "";
    position: absolute;
    inset: auto -10% -40% auto;
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, rgba(143, 199, 182, 0.38), transparent 70%);
    pointer-events: none;
}

.eyebrow,
.section-kicker {
    margin: 0 0 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.72rem;
    color: var(--sea);
    font-weight: 700;
}

.hero h1,
.panel h2,
.panel h3 {
    margin: 0;
    font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
    line-height: 1.05;
}

.hero h1 {
    font-size: clamp(2.2rem, 7vw, 4.8rem);
    max-width: 11ch;
}

.lede {
    margin: 0.9rem 0 0;
    max-width: 70ch;
    line-height: 1.6;
    color: var(--ink-soft);
}

.hero__controls {
    display: grid;
    gap: 0.9rem;
    margin-top: 1.2rem;
}

.hero__status {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
    font-size: 0.94rem;
    color: var(--ink-soft);
}

.search-field {
    display: grid;
    gap: 0.45rem;
}

.search-field span,
.hour-picker span {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--ink-soft);
}

.search-field input,
.hour-picker input {
    width: 100%;
}

.search-field input {
    border: 1px solid rgba(12, 64, 52, 0.12);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.75);
    padding: 0.95rem 1.1rem;
    outline: none;
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.search-field input:focus {
    border-color: rgba(12, 64, 52, 0.4);
    box-shadow: 0 0 0 4px rgba(27, 127, 119, 0.12);
}

.control-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.toggle-pill,
.ghost-button,
.favorite-button,
.weekday-button {
    border-radius: 999px;
    border: 1px solid rgba(12, 64, 52, 0.12);
    background: rgba(255, 255, 255, 0.7);
    color: var(--ink);
}

.toggle-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.7rem 0.95rem;
    font-size: 0.95rem;
    cursor: pointer;
}

.toggle-pill input {
    accent-color: var(--sea);
}

.ghost-button,
.favorite-button,
.weekday-button {
    cursor: pointer;
    transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.ghost-button:hover,
.favorite-button:hover,
.weekday-button:hover {
    transform: translateY(-1px);
    border-color: rgba(12, 64, 52, 0.22);
}

.ghost-button {
    padding: 0.78rem 1rem;
}

.favorite-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.55rem;
    height: 2.55rem;
    font-size: 1.25rem;
}

.favorite-button.is-active {
    background: rgba(216, 155, 55, 0.18);
    border-color: rgba(216, 155, 55, 0.45);
    color: #8f5c00;
}

.layout {
    display: grid;
    gap: 1rem;
    margin-top: 1rem;
}

.panel {
    border-radius: var(--radius-xl);
    padding: 1rem;
}

.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.9rem;
}

.section-head--compact {
    margin-bottom: 0.75rem;
}

.summary-grid,
.metric-grid,
.forecast-grid {
    display: grid;
    gap: 0.8rem;
}

.summary-grid,
.metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.summary-card,
.metric-card,
.forecast-card,
.station-card {
    background: var(--bg-paper-strong);
    border: 1px solid var(--line);
}

.summary-card,
.metric-card,
.forecast-card {
    border-radius: var(--radius-lg);
    padding: 0.95rem;
}

.summary-card__value,
.metric-card__value,
.forecast-card__value {
    display: block;
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 800;
    line-height: 1;
    margin-top: 0.3rem;
}

.summary-card__label,
.metric-card__label,
.forecast-card__label {
    font-size: 0.86rem;
    color: var(--ink-soft);
}

.summary-card__sub,
.metric-card__sub,
.forecast-card__sub {
    margin-top: 0.4rem;
    font-size: 0.82rem;
    color: var(--ink-soft);
}

.station-list {
    display: grid;
    gap: 0.85rem;
}

.station-card {
    width: 100%;
    border-radius: 22px;
    padding: 1rem;
    text-align: left;
    cursor: pointer;
    transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
}

.station-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 44px rgba(17, 49, 42, 0.08);
}

.station-card.is-selected {
    border-color: rgba(27, 127, 119, 0.45);
    box-shadow: 0 22px 48px rgba(27, 127, 119, 0.14);
}

.station-card.is-closed {
    opacity: 0.82;
}

.station-card__top,
.station-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.station-code {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

.station-card__name {
    margin: 0.5rem 0 0;
    font-size: 1.12rem;
}

.station-card__meta,
.detail-meta {
    margin: 0.45rem 0 0;
    color: var(--ink-soft);
    line-height: 1.5;
}

.station-card__stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.9rem;
}

.mini-chip,
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.65rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
}

.mini-chip {
    background: rgba(143, 199, 182, 0.18);
    color: var(--pine);
}

.status-pill {
    background: rgba(206, 111, 79, 0.14);
    color: #924b34;
}

.status-pill.is-open {
    background: rgba(27, 127, 119, 0.14);
    color: var(--sea);
}

.probability-strip {
    display: grid;
    gap: 0.55rem;
    margin-top: 0.95rem;
}

.probability-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.55rem;
    align-items: center;
}

.probability-row__label {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    min-width: 0;
    font-size: 0.86rem;
}

.probability-row__dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    flex: 0 0 auto;
}

.probability-row__value {
    font-size: 0.82rem;
    font-weight: 800;
}

.progress-bar {
    position: relative;
    height: 8px;
    grid-column: 1 / -1;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(12, 64, 52, 0.08);
}

.progress-bar > span {
    position: absolute;
    inset: 0 auto 0 0;
    border-radius: inherit;
}

.station-card__footer {
    margin-top: 0.95rem;
    font-size: 0.82rem;
    color: var(--ink-soft);
}

.detail-content {
    display: grid;
    gap: 1rem;
}

.detail-topbar {
    display: flex;
    justify-content: space-between;
    gap: 0.8rem;
}

.detail-close {
    display: inline-flex;
}

.detail-links {
    margin-top: 0.7rem;
}

.inline-link {
    color: var(--sea);
    font-weight: 700;
    text-decoration: none;
}

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

.detail-block {
    padding-top: 0.2rem;
    border-top: 1px solid var(--line);
}

.forecast-controls {
    display: grid;
    gap: 0.9rem;
}

.weekday-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.weekday-button {
    padding: 0.7rem 0.9rem;
    min-width: 3.2rem;
}

.weekday-button.is-active {
    background: var(--pine);
    border-color: var(--pine);
    color: white;
}

.hour-picker {
    display: grid;
    gap: 0.55rem;
}

.hour-picker input {
    accent-color: var(--sea);
}

.forecast-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.chart-shell {
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.64);
    border: 1px solid var(--line);
    padding: 0.8rem;
}

.chart-shell svg {
    width: 100%;
    height: auto;
    display: block;
}

.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 0.8rem;
}

.chart-legend__item {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.84rem;
    color: var(--ink-soft);
}

.chart-legend__dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
}

.heatmap-shell {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.64);
    border: 1px solid var(--line);
    padding: 0.8rem;
}

.heatmap-grid {
    display: grid;
    gap: 0.38rem;
    min-width: 700px;
}

.heatmap-row {
    display: grid;
    grid-template-columns: 110px repeat(24, minmax(20px, 1fr));
    gap: 0.3rem;
    align-items: center;
}

.heatmap-label,
.heatmap-hour {
    font-size: 0.78rem;
    color: var(--ink-soft);
}

.heatmap-cell {
    aspect-ratio: 1 / 1;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    min-height: 22px;
}

.heatmap-empty,
.empty-state {
    padding: 1rem;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.54);
    border: 1px dashed rgba(12, 64, 52, 0.18);
    color: var(--ink-soft);
}

.detail-empty {
    display: grid;
    gap: 0.5rem;
}

.noscript-banner {
    margin: 1rem;
    padding: 0.9rem 1rem;
    border-radius: 16px;
    background: #fff2d8;
    color: #6f4b00;
}

.panel--detail {
    position: fixed;
    inset: auto 0 0 0;
    transform: translateY(102%);
    transition: transform 220ms ease;
    border-radius: 24px 24px 0 0;
    z-index: 30;
    max-height: 88vh;
    overflow-y: auto;
}

body.detail-open .panel--detail {
    transform: translateY(0);
}

.is-hidden {
    display: none !important;
}

@media (min-width: 720px) {
    .hero {
        padding: 1.5rem;
    }

    .hero__controls {
        grid-template-columns: minmax(0, 1.4fr) auto;
        align-items: end;
    }

    .summary-grid,
    .metric-grid,
    .forecast-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (min-width: 980px) {
    body {
        overflow: auto;
    }

    .backdrop {
        display: none;
    }

    .layout {
        grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
        align-items: start;
    }

    .panel--summary {
        grid-column: 1 / -1;
    }

    .panel--detail {
        position: sticky;
        top: 1rem;
        inset: auto;
        transform: none;
        max-height: calc(100vh - 2rem);
        border-radius: var(--radius-xl);
    }

    .detail-close {
        display: none;
    }
}