/* SkiCorn — UI/UX Overhaul */

:root {
    --bg: #0f172a;
    --surface: #1e293b;
    --surface-hover: #263548;
    --border: #334155;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --accent: #fbbf24;
    --good: #22c55e;
    --marginal: #f59e0b;
    --poor: #ef4444;
    --blue: #3b82f6;
    --purple: #a855f7;
    --cyan: #22d3ee;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* ═══════ NAV ═══════ */
nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.75rem 2rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav .logo { font-size: 1.3rem; font-weight: 700; color: var(--accent); text-decoration: none; }
nav .subtitle { color: var(--text-dim); font-size: 0.85rem; }
nav .nav-links { margin-left: auto; display: flex; gap: 0.5rem; }
nav .nav-links a {
    color: var(--text-muted); text-decoration: none;
    padding: 0.4rem 0.8rem; border-radius: 6px; font-size: 0.9rem;
    transition: all 0.2s;
}
nav .nav-links a:hover, nav .nav-links a.active {
    background: var(--border); color: var(--text);
}

/* ═══════ LAYOUT ═══════ */
main { max-width: 1100px; margin: 0 auto; padding: 1.5rem 2rem 3rem; }
section { margin-bottom: 2rem; }

h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5rem; }
h2 {
    font-size: 1rem; color: var(--text-muted); margin-bottom: 0.75rem;
    text-transform: uppercase; letter-spacing: 0.04em;
    display: flex; align-items: center; gap: 0.5rem;
}

.page-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.5rem; }
.page-desc { color: var(--text-muted); font-size: 0.9rem; }
.empty-state { color: var(--text-dim); font-style: italic; padding: 1rem 0; }

/* ═══════ HERO / SCORE RING ═══════ */
.hero {
    display: flex; align-items: center; gap: 2rem;
    padding: 1.5rem; background: var(--surface);
    border-radius: var(--radius); border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.score-ring {
    width: 120px; height: 120px; position: relative; flex-shrink: 0;
}
.ring-svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--border); stroke-width: 8; }
.ring-fill { fill: none; stroke-width: 8; stroke-linecap: round;
    transition: stroke-dasharray 1s ease-out; }
.score-ring.good .ring-fill { stroke: var(--good); }
.score-ring.marginal .ring-fill { stroke: var(--marginal); }
.score-ring.poor .ring-fill { stroke: var(--poor); }

.ring-text {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    text-align: center;
}
.score-value { font-size: 2.2rem; font-weight: 800; line-height: 1; display: block; }
.score-ring.good .score-value { color: var(--good); }
.score-ring.marginal .score-value { color: var(--marginal); }
.score-ring.poor .score-value { color: var(--poor); }
.score-ring.unknown .score-value { color: var(--text-dim); }
.score-label { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; }

.hero-info { flex: 1; }
.assessment p { margin-bottom: 0.4rem; font-size: 0.95rem; }
.confidence { color: var(--text-muted); font-size: 0.85rem; }
.error { color: var(--poor); font-size: 0.85rem; }

/* Quick stat pills */
.quick-stats { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }
.stat-pill {
    background: rgba(255,255,255,0.04); border: 1px solid var(--border);
    border-radius: 20px; padding: 0.3rem 0.75rem;
    font-size: 0.85rem; cursor: help; position: relative;
    display: inline-flex; align-items: center; gap: 0.3rem;
}
.stat-pill .stat-label { color: var(--text-dim); font-size: 0.75rem; }

/* ═══════ TOOLTIPS ═══════ */
[data-tip] { position: relative; cursor: help; }
[data-tip]:hover::after {
    content: attr(data-tip);
    position: absolute; bottom: calc(100% + 8px); left: 50%;
    transform: translateX(-50%);
    background: #1a1a2e; color: var(--text); border: 1px solid var(--border);
    padding: 0.5rem 0.75rem; border-radius: 8px;
    font-size: 0.78rem; line-height: 1.4; white-space: normal;
    width: max-content; max-width: 320px; z-index: 200;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    pointer-events: none;
}
[data-tip]:hover::before {
    content: ''; position: absolute; bottom: calc(100% + 2px); left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent; border-top-color: #1a1a2e;
    z-index: 201;
}

.help-icon {
    font-size: 0.75rem; color: var(--text-dim);
    cursor: help; vertical-align: middle;
}

.source-tags { display: flex; gap: 0.3rem; margin-top: 0.4rem; }
.source-tag {
    font-size: 0.65rem; color: var(--blue); background: rgba(59,130,246,0.1);
    border-radius: 4px; padding: 0.1rem 0.4rem;
    cursor: help; text-decoration: none;
}
.source-tag:hover { background: rgba(59,130,246,0.2); text-decoration: underline; }

/* ═══════ COMPONENT GRID ═══════ */
.component-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0.75rem;
}
.component-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1rem;
    box-shadow: var(--shadow);
}
.component-card h3 { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.3rem; }
.component-score { font-size: 1.8rem; font-weight: 700; color: var(--accent); }
.component-score .score-max { font-size: 0.9rem; font-weight: 400; color: var(--text-muted); }
.component-card p { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.2rem; }

/* ═══════ ALERTS ═══════ */
.alerts-panel { margin-top: 0.75rem; display: flex; flex-direction: column; gap: 0.4rem; }
.veto {
    background: rgba(239, 68, 68, 0.12); border: 1px solid rgba(239, 68, 68, 0.4);
    border-radius: 8px; padding: 0.6rem 1rem; color: #fca5a5; font-size: 0.9rem;
}
.warning {
    background: rgba(245, 158, 11, 0.08); border-radius: 6px;
    padding: 0.5rem 1rem; color: #fcd34d; font-size: 0.85rem;
}

/* ═══════ ELEVATION PROFILE ═══════ */
.elevation-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow);
}
.forecast-meta { color: var(--text-dim); font-size: 0.8rem; margin-bottom: 0.75rem; }

.elevation-grid { display: flex; flex-direction: column; gap: 2px; }
.elevation-header, .elevation-row { display: grid; grid-template-columns: 140px repeat(auto-fit, minmax(70px, 1fr)); gap: 2px; align-items: center; }
.elevation-header { margin-bottom: 0.25rem; }
.period-label { text-align: center; font-size: 0.75rem; color: var(--text-dim); font-weight: 600; text-transform: uppercase; }
.elev-label { padding: 0.3rem 0; }
.elev-label strong { font-size: 0.85rem; }
.elev-ft { font-size: 0.7rem; color: var(--text-dim); margin-left: 0.3rem; }
.elevation-row { padding: 0.4rem 0; border-top: 1px solid rgba(255,255,255,0.04); }
.elevation-row.highlight { background: rgba(168, 85, 247, 0.06); border-radius: 6px; padding: 0.4rem 0.3rem; }
.elev-cell { text-align: center; }
.elev-temp { font-weight: 700; font-size: 1rem; }
.elev-temp.freeze { color: var(--blue); }
.elev-temp.warm { color: var(--accent); }
.elev-temp.cool { color: var(--text); }
.elev-wind { font-size: 0.7rem; color: var(--text-dim); display: block; }

.elevation-grid.compact .elev-temp { font-size: 0.9rem; }

.source-link { font-size: 0.75rem; color: var(--text-dim); margin-top: 0.75rem; }
.source-link a { color: var(--blue); text-decoration: none; }

/* ═══════ OUTLOOK ═══════ */
.outlook-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0.5rem; }
.outlook-day {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 0.75rem 0.5rem; text-align: center;
    transition: transform 0.15s; box-shadow: var(--shadow);
}
.outlook-day:hover { transform: translateY(-2px); }
.outlook-day.good { border-color: var(--good); }
.outlook-day.marginal { border-color: var(--marginal); }
.outlook-day.poor { border-color: var(--poor); }
.day-date { font-size: 0.7rem; color: var(--text-muted); }
.day-score { font-size: 1.5rem; font-weight: 700; margin: 0.2rem 0; }
.outlook-day.good .day-score { color: var(--good); }
.outlook-day.marginal .day-score { color: var(--marginal); }
.outlook-day.poor .day-score { color: var(--poor); }
.day-detail { font-size: 0.7rem; color: var(--text-dim); }

/* ═══════ OBSERVATION GRID ═══════ */
.obs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 0.5rem; }
.obs-item {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 8px; padding: 0.75rem; text-align: center;
}
.obs-label { font-size: 0.7rem; color: var(--text-dim); text-transform: uppercase; display: block; }
.obs-value { font-size: 1.2rem; font-weight: 600; display: block; margin-top: 0.2rem; }
.obs-time { font-size: 0.8rem; }

/* ═══════ TABS ═══════ */
.tab-bar { display: flex; gap: 0.25rem; margin-bottom: 1rem; }
.tab {
    background: var(--surface); color: var(--text-muted); border: 1px solid var(--border);
    padding: 0.45rem 1rem; border-radius: 8px 8px 0 0; cursor: pointer;
    font-size: 0.85rem; transition: all 0.2s;
}
.tab:hover { color: var(--text); }
.tab.active { background: var(--surface-hover); color: var(--text); border-bottom-color: var(--surface-hover); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.source-content { display: none; }
.source-content.active { display: block; }

.archive-link { font-size: 0.75rem; color: var(--blue); text-decoration: none; margin-left: auto; }
.archive-link:hover { text-decoration: underline; }

/* ═══════ FORECAST CARDS ═══════ */
.forecast-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow);
}
.forecast-meta {
    display: flex; justify-content: space-between;
    color: var(--text-dim); font-size: 0.8rem; margin-bottom: 0.75rem;
}
.freezing-level-badge {
    background: rgba(59, 130, 246, 0.08); border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 8px; padding: 0.5rem 0.75rem; margin-bottom: 0.75rem;
    color: #93c5fd; font-size: 0.85rem;
}
.forecast-alert {
    background: rgba(245, 158, 11, 0.08); border-radius: 6px;
    padding: 0.5rem 0.75rem; margin-bottom: 0.75rem;
    color: #fcd34d; font-size: 0.85rem;
}

details { margin-top: 0.5rem; }
details summary {
    cursor: pointer; color: var(--text-muted); font-size: 0.85rem;
    font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em;
    padding: 0.4rem 0; user-select: none;
}
details summary:hover { color: var(--text); }
details p { font-size: 0.88rem; line-height: 1.7; padding: 0.5rem 0; color: var(--text); }

/* ═══════ ARCHIVE CARDS ═══════ */
.archive-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.25rem;
    margin-bottom: 1rem; box-shadow: var(--shadow);
}
.archive-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.75rem; }
.archive-header h3 { font-size: 1rem; }
.archive-collected { font-size: 0.75rem; color: var(--text-dim); }

/* ═══════ DATA STATUS ═══════ */
.status-grid { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.status-item {
    display: flex; align-items: center; gap: 0.4rem;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 6px; padding: 0.35rem 0.6rem; font-size: 0.75rem;
}
.status-dot { width: 6px; height: 6px; border-radius: 50%; }
.status-dot.success { background: var(--good); }
.status-dot.error { background: var(--poor); }
.status-dot.running { background: var(--accent); }
.status-source { font-weight: 600; color: var(--text); }
.status-records { color: var(--text-dim); }
.status-time { color: var(--text-dim); }

/* ═══════ TABLES ═══════ */
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: var(--radius); overflow: hidden; }
th, td { padding: 0.5rem 0.75rem; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.85rem; }
th { background: rgba(255,255,255,0.03); color: var(--text-muted); font-size: 0.75rem; text-transform: uppercase; }
tr.good td:first-child { border-left: 3px solid var(--good); }
tr.marginal td:first-child { border-left: 3px solid var(--marginal); }
tr.poor td:first-child { border-left: 3px solid var(--poor); }
.assessment-cell { max-width: 300px; font-size: 0.8rem; color: var(--text-muted); }

/* ═══════ RANGE SELECTOR ═══════ */
.range-selector { display: flex; gap: 0.25rem; }
.range-btn {
    color: var(--text-muted); text-decoration: none;
    padding: 0.3rem 0.7rem; border-radius: 6px; font-size: 0.85rem;
    border: 1px solid var(--border); transition: all 0.2s;
}
.range-btn:hover, .range-btn.active { background: var(--border); color: var(--text); }

/* ═══════ NWS CHART ═══════ */
.nws-chart-container { margin-bottom: 1.5rem; }
.nws-chart-container h3 { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.5rem; }

/* ═══════ FOOTER ═══════ */
footer {
    max-width: 1100px; margin: 0 auto; padding: 1.5rem 2rem;
    border-top: 1px solid var(--border);
}
.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
footer p { font-size: 0.75rem; color: var(--text-dim); }
footer a { color: var(--blue); text-decoration: none; }
.disclaimer { font-style: italic; }

/* ═══════ RESPONSIVE ═══════ */
@media (max-width: 768px) {
    nav { flex-wrap: wrap; padding: 0.75rem 1rem; gap: 0.5rem; }
    nav .subtitle { display: none; }
    main { padding: 1rem; }
    .hero { flex-direction: column; text-align: center; padding: 1rem; }
    .quick-stats { justify-content: center; }
    .outlook-grid { grid-template-columns: repeat(4, 1fr); }
    .component-grid { grid-template-columns: repeat(2, 1fr); }
    .elevation-header, .elevation-row { grid-template-columns: 100px repeat(auto-fit, minmax(55px, 1fr)); }
    .forecast-meta { flex-direction: column; gap: 0.25rem; }
    .footer-content { flex-direction: column; text-align: center; }
    [data-tip]:hover::after { left: 0; transform: none; max-width: 250px; }
}