:root {
    color-scheme: dark;
    --bg: #0b1320;
    --surface: #111a2b;
    --surface-raised: #182640;
    --surface-week: #102035;
    --border: #344762;
    --text: #e9eef7;
    --muted: #a9b6cc;
    --accent: #6aa6ff;
    --temperature: #ffcc66;
    --error: #ff8e8e;
    --focus: #b8d4ff;
    --chart-grid: #253650;
    --marine-bg: #102a2b;
    --marine-header: #163a3a;
    --marine-text: #83d8c5;
    --marine-border: #32665f;
    --font: system-ui, -apple-system, 'Segoe UI', sans-serif;
    --small: .8125rem;
    --body: 1rem;
    --space-1: .5rem;
    --space-2: .75rem;
    --space-3: 1rem;
    --space-4: 1.5rem;
    --space-5: 2rem;
    --radius: 16px;
    --hour-col-width: 132px;
}
[data-theme="light"] {
    color-scheme: light;
    --bg: #f3f6fb;
    --surface: #ffffff;
    --surface-raised: #e9eff8;
    --surface-week: #eaf1fa;
    --border: #becbe0;
    --text: #17263b;
    --muted: #4b607c;
    --accent: #235fbb;
    --temperature: #956008;
    --error: #b42335;
    --focus: #2057a8;
    --chart-grid: #d6dfec;
    --marine-bg: #e6f5f1;
    --marine-header: #d0eae2;
    --marine-text: #166555;
    --marine-border: #94c4b4;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); font: var(--body)/1.55 var(--font); overflow-y: scroll; font-variant-numeric: tabular-nums; }
h1, h2, h3, h4, p { margin: 0; }
h1 { font-size: 1.15rem; }
h2 { font-size: 1.4rem; font-weight: 650; letter-spacing: -.025em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }
a { color: var(--accent); }
button, input, select, textarea { font: inherit; }
button, input, select { min-height: 44px; }
button, select { cursor: pointer; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.site-header, main, footer { width: min(100%, 1240px); margin-inline: auto; padding: var(--space-4) var(--space-5); }
.site-header { display: flex; align-items: center; flex-wrap: wrap; justify-content: space-between; gap: var(--space-4); padding-bottom: var(--space-3); }
.search { display: flex; align-items: center; gap: var(--space-1); width: min(100%, 560px); min-width: 0; }
input, select, textarea { color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: .6rem .75rem; }
select { appearance: none; padding-right: 2rem; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 16px) 50%, calc(100% - 12px) 50%; background-size: 4px 4px; background-repeat: no-repeat; }
.search input { flex: 1; width: 100%; min-width: 0; }
.btn { background: var(--accent); color: var(--bg); border: 1px solid transparent; border-radius: 8px; padding: .55rem .9rem; font-size: .875rem; font-weight: 650; }
[data-theme="light"] .btn:not(.ghost) { color: #ffffff; }
.btn:hover { filter: brightness(1.12); }
.btn.ghost { background: transparent; border-color: var(--border); color: var(--muted); }
.theme-toggle { order: 2; font-size: .75rem; white-space: nowrap; }
.search { order: 1; }
.active-location { order: 3; flex-basis: 100%; padding-top: var(--space-2); }
.active-location h2 { font-size: clamp(1.9rem, 4vw, 2.5rem); line-height: 1.25; font-weight: 650; }
.active-location p { margin-top: .5rem; }
#status:empty, #chart-state:empty { display: none; }
main { display: grid; gap: var(--space-5); padding-top: var(--space-3); }
main > section { min-width: 0; }
.section-header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: var(--space-3); margin-bottom: var(--space-4); }
.eyebrow { color: var(--muted); font-size: var(--small); margin-bottom: .2rem; }
.detail-control { display: flex; align-items: center; gap: var(--space-2); color: var(--muted); font-size: var(--small); }
.detail-control select { min-width: 130px; padding-right: 2rem; font-size: .875rem; }
.week-grid { display: grid; grid-template-columns: repeat(var(--week-days, 7), minmax(0, 1fr)); padding: var(--space-2); margin-bottom: var(--space-4); background: var(--surface-week); border: 1px solid var(--border); border-radius: 20px; gap: .3rem; }
.week-grid:empty { display: none; }
.week-day { display: flex; flex-direction: column; align-items: center; justify-content: flex-start; min-width: 0; gap: .5rem; padding: .75rem .5rem; color: var(--text); text-decoration: none; border-radius: 12px; transition: background-color 140ms ease, box-shadow 140ms ease; }
.week-day:hover, .week-day:focus-visible { background: color-mix(in srgb, var(--surface-raised) 88%, var(--accent)); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 45%, var(--border)); }
.week-date { display: flex; align-items: baseline; justify-content: center; gap: .4rem; }
.week-weekday { color: var(--muted); font-size: .8125rem; text-transform: capitalize; }
.week-number { font-size: 1.05rem; font-weight: 650; }
.condition { display: flex; flex-direction: column; align-items: center; gap: .4rem; }
.day-weather-symbol { font-size: 4.5rem; line-height: 1.15; }
.condition-label { display: block; color: var(--muted); font-size: .8125rem; line-height: 1.35; text-align: center; overflow-wrap: anywhere; }
.week-condition { width: 100%; flex: 1; }
.week-condition .condition { height: 100%; }
.week-condition .day-weather-symbol { font-size: 3rem; }
.week-condition .condition-label { max-width: 18ch; font-size: .75rem; }
.week-temperatures { display: flex; justify-content: center; align-items: baseline; flex-wrap: wrap; gap: .5rem; width: 100%; }
.week-high { font-size: 1.3rem; font-weight: 650; }
.week-low { font-size: 1rem; color: var(--muted); }
.week-qualifier { flex-basis: 100%; font-size: .6875rem; color: var(--muted); text-align: center; }
.days { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-3); }
.card, .day-card { min-width: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-4); }
.day-card { scroll-margin-top: var(--space-4); }
.day-card:target { border-color: var(--accent); }
.day-header { display: grid; grid-template-columns: 100px minmax(0, 1fr) auto; gap: var(--space-4); align-items: center; }
.day-condition { grid-column: 1; grid-row: 1; }
.day-title { grid-column: 2; grid-row: 1; font-weight: 650; text-transform: capitalize; letter-spacing: -.015em; }
.day-date { text-transform: none; display: block; font-size: .875rem; color: var(--muted); font-weight: 400; margin-top: .25rem; }
.temperatures { grid-column: 3; grid-row: 1; display: flex; align-items: baseline; justify-content: flex-end; gap: var(--space-4); flex-wrap: wrap; }
.temperature-reading { display: flex; flex-direction: column; }
.temperature-label { color: var(--muted); font-size: .75rem; font-weight: 400; }
.temperature-value { line-height: 1.2; font-size: 2rem; font-weight: 600; }
.temperature-high .temperature-value { color: var(--temperature); }
.temperature-low .temperature-value { color: var(--muted); font-size: 1.5rem; }
.temperature-qualifier { flex-basis: 100%; color: var(--muted); font-size: .6875rem; text-align: right; }
.hint { color: var(--muted); font-size: var(--small); line-height: 1.6; overflow-wrap: anywhere; }
.forecast { margin-top: var(--space-4); font-size: 1.075rem; line-height: 1.7; max-width: 90ch; user-select: text; overflow-wrap: anywhere; }
.day-secondary { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin-top: var(--space-2); }
.astro-summary { max-width: 78ch; font-size: .75rem; }
.copy { flex-shrink: 0; padding: .5rem .65rem; min-width: 44px; background: transparent; border: 0; border-radius: 6px; color: var(--muted); font-size: .75rem; font-weight: 400; }
.copy:hover { color: var(--text); background: var(--surface-raised); }
.copy-status:empty { display: none; }
.copy-status { margin-top: var(--space-2); }
.copy-fallback { width: 100%; min-height: 170px; margin: var(--space-1) 0; resize: vertical; }
.hourly { margin-top: .25rem; }
summary { cursor: pointer; padding: .6rem .25rem; min-height: 44px; color: var(--muted); font-size: .8125rem; font-weight: 500; }
summary:hover { color: var(--text); }
.day-details { padding-top: var(--space-3); border-top: 1px solid var(--border); min-width: 0; }
.coverage-details { display: flex; flex-wrap: wrap; gap: .2rem var(--space-3); margin-bottom: var(--space-3); }
.astronomy { padding-bottom: var(--space-3); }
.astronomy-header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); }
.astro-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); align-items: start; gap: var(--space-3); margin: var(--space-1) 0 0; }
.astro-times { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2) var(--space-3); margin: 0; }
.solar-readings { padding-top: var(--space-2); }
.astro-reading dt { font-size: .75rem; color: var(--muted); }
.astro-reading dd { margin: .15rem 0 0; font-size: .875rem; overflow-wrap: anywhere; }
.lunar-reading { display: grid; gap: var(--space-2); min-width: 0; padding: var(--space-3); border: 1px solid var(--border); border-radius: 8px; background: var(--surface-raised); }
.lunar-title { margin: 0; font-size: .75rem; color: var(--muted); font-weight: 400; }
.lunar-phase { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: .6rem; min-width: 0; }
.lunar-phase-symbol { flex-shrink: 0; font-size: 2rem; line-height: 1.2; }
.lunar-phase-description { font-size: 1rem; line-height: 1.5; overflow-wrap: normal; word-break: normal; }
.lunar-percentage { margin-left: .5rem; font-size: .8125rem; color: var(--muted); white-space: nowrap; }
.twilight-info { position: relative; flex-shrink: 0; }
.twilight-trigger { min-height: 44px; padding: .4rem .5rem; border: 0; border-radius: 6px; background: transparent; color: var(--muted); font-size: .75rem; }
.twilight-trigger:hover, .twilight-trigger[aria-expanded="true"] { color: var(--text); background: var(--surface-raised); }
.twilight-tooltip { position: absolute; top: 100%; right: 0; width: min(25rem, calc(100vw - 4rem)); padding: var(--space-3); border: 1px solid var(--border); border-radius: 8px; background: var(--surface-raised); box-shadow: 0 8px 24px #0003; z-index: 6; }
.twilight-tooltip.above { top: auto; bottom: 100%; }
.twilight { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: var(--space-2) var(--space-3); font-size: .75rem; color: var(--muted); margin: 0; }
.twilight dt { color: var(--text); }
.twilight dd { margin: 0; }
.twilight dd span { display: block; overflow-wrap: anywhere; }
.table { width: 100%; max-width: 100%; overflow: auto; max-height: 560px; margin-top: var(--space-2); border: 1px solid var(--border); border-radius: 8px; scrollbar-width: thin; }
table { width: max-content; min-width: 100%; border-spacing: 0; font-size: var(--small); }
th, td { padding: .65rem .75rem; border-bottom: 1px solid var(--border); white-space: nowrap; text-align: right; }
th { position: sticky; top: 0; background: var(--surface-raised); z-index: 4; font-weight: 600; }
td { color: var(--muted); }
th:first-child, td:first-child { position: sticky; left: 0; background: var(--surface-raised); z-index: 2; text-align: left; color: var(--text); }
th:nth-child(2), td:nth-child(2) { position: sticky; left: var(--hour-col-width); background: var(--surface-raised); z-index: 2; text-align: center; }
th:first-child, th:nth-child(2) { z-index: 5; }
td.marine-cell { background: var(--marine-bg); color: var(--marine-text); border-bottom-color: var(--marine-border); }
th.marine-cell { background: var(--marine-header); color: var(--marine-text); border-bottom-color: var(--marine-border); }
.marine-start { border-left: 2px solid var(--marine-border); }
.weather-symbol { font-size: 1.15rem; }
.temp { color: var(--temperature); }
.rain { color: var(--accent); }
.hourly-note { margin-top: var(--space-2); }
.marine-state { margin-top: var(--space-2); }
.chart-section h2 { font-size: 1.1rem; }
canvas { max-width: 100%; }
.chart-container { position: relative; height: 300px; width: 100%; margin-top: var(--space-3); }
.chart-info { margin-top: var(--space-2); }
.secondary-disclosure { min-width: 0; }
.secondary-disclosure summary { font-size: .75rem; }
.secondary-disclosure > p, .metadata-content { padding: var(--space-1) .25rem; }
.metadata { padding-inline: .25rem; }
.metadata-content { display: grid; gap: .5rem; }
footer { padding-top: 0; color: var(--muted); font-size: var(--small); overflow-wrap: anywhere; }
.credits p { font-size: .75rem; }
.error { color: var(--error); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: -100px; left: 1rem; padding: .75rem; background: var(--surface-raised); z-index: 10; }
.skip-link:focus { top: .5rem; }
@media (max-width: 900px) {
    .week-grid { grid-template-columns: repeat(var(--week-tablet-days, 4), minmax(0, 1fr)); }
}
@media (max-width: 600px) {
    .site-header, main, footer { padding-inline: var(--space-3); }
    .site-header { padding-block: var(--space-3); gap: var(--space-3); }
    .search { width: 100%; }
    .theme-toggle { order: 0; margin-left: auto; padding-inline: .4rem; }
    .btn { padding-inline: .65rem; }
    .active-location { padding-top: .25rem; }
    .section-header { align-items: center; margin-bottom: var(--space-3); }
    .section-header h2 { font-size: 1.2rem; }
    .detail-control { gap: .4rem; }
    .detail-control label { font-size: .75rem; }
    .detail-control select { min-width: 112px; padding-left: .5rem; }
    .week-grid { grid-template-columns: repeat(var(--week-mobile-days, 3), minmax(0, 1fr)); padding: .4rem; margin-bottom: var(--space-3); border-radius: var(--radius); }
    .week-day { padding: .6rem .25rem; gap: .4rem; }
    .week-condition .day-weather-symbol { font-size: 2.5rem; }
    .week-high { font-size: 1.15rem; }
    .week-low { font-size: .875rem; }
    .card, .day-card { padding: var(--space-3); }
    .day-header { grid-template-columns: 72px minmax(0, 1fr); gap: .4rem var(--space-3); align-items: center; }
    .day-condition { grid-column: 1; grid-row: 1 / 3; }
    .day-weather-symbol { font-size: 3.5rem; }
    .day-title { grid-column: 2; grid-row: 1; font-size: 1.1rem; }
    .day-date { font-size: .8125rem; }
    .temperatures { grid-column: 2; grid-row: 2; justify-content: flex-start; gap: var(--space-3); }
    .temperature-reading { flex-direction: row; align-items: baseline; gap: .3rem; }
    .temperature-value { font-size: 1.5rem; }
    .temperature-low .temperature-value { font-size: 1.1rem; }
    .temperature-qualifier { text-align: left; }
    .condition-label { font-size: .75rem; }
    .forecast { font-size: 1rem; margin-top: var(--space-3); }
    .astro-summary { font-size: .6875rem; }
    .astro-grid { grid-template-columns: minmax(0, 1fr); }
    th, td { padding: .6rem .5rem; }
    .chart-container { height: 270px; }
}
@media (max-width: 359px) {
    .week-condition .day-weather-symbol { font-size: 2.25rem; }
    .week-temperatures { gap: .35rem; }
}