html[data-theme="dark"] {
    color-scheme: dark;
    --bg: #151d14;
    --card: #1b241a;
    --surface: #131912;
    --line: rgba(215,228,198,.12);
    --text: #edf2e2;
    --muted: #b4c0aa;
    --accent: #8cab63;
    --accent-strong: #6f8f49;
    --panel: rgba(255,255,255,.03);
    --button-text: #10160d;
    --radius: 16px;
}

html[data-theme="light"] {
    color-scheme: light;
    --bg: #e3d5b8;
    --card: #e3d5b8;
    --surface: #f4ebd7;
    --line: rgba(88,73,45,.18);
    --text: #2f2a1d;
    --muted: #665942;
    --accent: #6c844a;
    --accent-strong: #547038;
    --panel: rgba(255,255,255,.34);
    --button-text: #ffffff;
    --radius: 16px;
}

* { box-sizing: border-box; }
html { background: var(--card); }
body {
    margin: 0;
    background: radial-gradient(circle at top right, rgba(240,205,132,.12), transparent 25%), var(--card);
    color: var(--text);
    font-family: Inter, Arial, sans-serif;
    transition: background .25s ease, color .25s ease;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
}

.page { max-width: 1280px; margin: 0 auto; padding: 14px 16px 28px; }
.topbar { display: flex; justify-content: flex-end; margin-bottom: 10px; }
.topbar-controls { display: flex; align-items: center; gap: 10px; }
.topbar .language-select { min-width: 168px; }
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface) 88%, transparent);
    color: var(--text);
    cursor: pointer;
    transition: background .25s ease, border-color .25s ease, color .25s ease, transform .2s ease;
}
.home-link { text-decoration: none; }
.theme-toggle:hover { transform: translateY(-1px); }
.theme-toggle:focus-visible, .home-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.theme-toggle svg { width: 22px; height: 22px; display: block; }
.theme-toggle .sun { display: none; }
html[data-theme="light"] .theme-toggle .sun { display: block; }
html[data-theme="light"] .theme-toggle .moon { display: none; }

.card { background: transparent; border: none; border-radius: 0; padding: 14px 16px 18px; }
.hero {
    display: grid;
    grid-template-columns: minmax(0,1fr) minmax(210px,280px);
    gap: 20px;
    align-items: center;
    margin-bottom: 8px;
}
.hero-copy { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.hero-copy .muted { max-width: 42rem; }
.hero-badge {
    display: inline-block;
    padding: 7px 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--accent) 16%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
    color: var(--text);
    font-weight: 700;
    font-size: .9rem;
    width: max-content;
}
.hero-title { margin: 0; font-size: clamp(2rem,4vw,3.2rem); line-height: 1.05; }
.hero-version { margin-top: -4px; font-size: .84rem; color: var(--muted); letter-spacing: .03em; }
.hero-art {
    width: min(100%, 280px);
    aspect-ratio: 1 / 1;
    justify-self: end;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 24px;
    border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--line));
    box-shadow: 0 18px 34px rgba(14,25,50,.16);
}

.selection-panel {
    margin-top: 18px;
    padding: 18px;
    border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
    border-radius: 20px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 10%, var(--surface)) 0%, color-mix(in srgb, var(--surface) 92%, transparent) 100%);
    box-shadow: 0 16px 26px rgba(14,25,50,.08);
}
.selection-panel-header { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.selection-kicker { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); font-weight: 760; }
.selection-title { margin: 0; font-size: clamp(1.15rem, 2.4vw, 1.5rem); }

.layout { display: grid; grid-template-columns: 1fr; gap: 16px; align-items: start; margin-top: 12px; }
.results-panel, .section, .faq-item, .watch-display-card, .watch-data-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel);
}
.results-panel { padding: 14px; }
.section { margin-top: 26px; padding: 24px; border-radius: 20px; background: color-mix(in srgb, var(--surface) 82%, transparent); }
.section h2 { margin: 0 0 12px; font-size: clamp(1.35rem,3vw,2rem); }
.faq { display: grid; gap: 14px; margin-top: 18px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.faq-item { padding: 18px; border-radius: 16px; background: color-mix(in srgb, var(--panel) 92%, transparent); }
.faq-item h3 { margin: 0 0 8px; font-size: 1.05rem; }
.faq-item p { margin: 0; color: var(--muted); line-height: 1.6; }

.field-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.watch-mode-grid { align-items: end; }
.compact-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.field { display: flex; flex-direction: column; gap: 8px; }
.field-inline { justify-content: flex-end; }
label { font-weight: 760; }
.field-help, .muted, .panel-kicker { color: var(--muted); line-height: 1.55; margin: 0; }

select, input {
    width: 100%;
    min-width: 0;
    padding: 12px 13px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--text);
    font: inherit;
}

button, .ghost-button, .chip-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 16px;
    border-radius: 12px;
    border: 0;
    background: linear-gradient(135deg,var(--accent),var(--accent-strong));
    color: var(--button-text);
    font: inherit;
    font-weight: 760;
    cursor: pointer;
    text-decoration: none;
    transition: transform .16s ease, box-shadow .16s ease, filter .16s ease;
}
button:hover, .ghost-button:hover, .chip-button:hover { transform: translateY(-1px); }
button:active, .ghost-button:active, .chip-button:active { transform: translateY(0) scale(.98); }
button:disabled, .ghost-button:disabled, .chip-button:disabled {
    cursor: not-allowed;
    opacity: .52;
    transform: none;
    filter: saturate(.85);
}
.ghost-button, .chip-button {
    background: linear-gradient(135deg,var(--accent),var(--accent-strong));
    color: var(--button-text);
    border: 0;
}
.chip-row, .action-row { display: flex; gap: 10px; flex-wrap: wrap; }
.action-row { margin-top: 16px; }
.chip-button { padding: 10px 14px; border-radius: 999px; }
.slim { padding: 8px 12px; font-size: .9rem; }

.callout {
    margin-top: 14px;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface) 90%, transparent);
}
.callout-success {
    border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
    background: color-mix(in srgb, var(--accent) 10%, var(--surface));
}
.callout-error {
    border-color: color-mix(in srgb, #b8613d 36%, var(--line));
    background: color-mix(in srgb, #b8613d 10%, var(--surface));
}

.watch-shortcuts-card {
    display: grid;
    gap: 6px;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid color-mix(in srgb, var(--accent) 20%, var(--line));
    background: color-mix(in srgb, var(--panel) 94%, transparent);
    min-height: 100%;
}
.watch-shortcuts-card strong { font-size: .95rem; }
.watch-shortcuts-card span { color: var(--muted); font-size: .92rem; }

.watch-panel-shell { display: grid; gap: 14px; }
.watch-panel-header h3, .watch-data-card-header h4, .panel-heading h2 { margin: 0 0 8px; font-size: 1rem; }
.watch-mode-panel { display: grid; gap: 14px; }
.watch-mode-panel[hidden] { display: none !important; }
.watch-display-card { padding: 22px; text-align: center; }
.watch-display-label { color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; margin-bottom: 12px; }
.watch-display {
    font-size: clamp(2.8rem, 10vw, 6rem);
    line-height: .96;
    font-weight: 780;
    letter-spacing: -.04em;
    font-variant-numeric: tabular-nums;
}
.watch-display-clock { font-size: clamp(3rem, 11vw, 6.4rem); }
.watch-display-subline { margin-top: 12px; color: var(--muted); }
.desk-clock-card.minimal-clock .watch-display-label,
.desk-clock-card.minimal-clock .watch-display-subline { display: none; }
.desk-clock-card.minimal-clock { padding-block: 36px; }
.watch-controls-grid { display: grid; gap: 14px; }
.toggle-field { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; }
.toggle-field input { width: auto; margin: 0; accent-color: var(--accent-strong); }
.watch-data-card { padding: 16px; }
.watch-data-card-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.watch-lap-list { display: grid; gap: 10px; }
.watch-lap-row {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr) minmax(0, 1fr);
    gap: 12px;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--line));
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    font-variant-numeric: tabular-nums;
}
.watch-lap-row strong { display: block; font-size: .9rem; }
.watch-lap-meta { color: var(--muted); font-size: .88rem; margin-bottom: 4px; }
.watch-metric-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.watch-metric { padding: 12px 14px; border-radius: 14px; border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--line)); background: color-mix(in srgb, var(--surface) 92%, transparent); }
.watch-metric strong { display: block; font-size: 1.6rem; margin-bottom: 6px; }
.watch-metric span { color: var(--muted); }

.ad-slot { margin: 38px 0 12px; padding: 18px; border-radius: 20px; border: 1px solid var(--line); background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 94%, transparent), color-mix(in srgb, var(--panel) 92%, transparent)); box-shadow: 0 10px 28px rgba(0, 0, 0, .08); }
.ad-slot-label { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; text-align: center; }
.ad-slot-body { min-height: 104px; border-radius: 16px; border: 1px dashed var(--line); display: flex; align-items: center; justify-content: center; color: var(--muted); background: color-mix(in srgb, var(--panel) 92%, transparent); }
.site-footer { display: flex; gap: 14px; row-gap: 10px; flex-wrap: wrap; align-items: center; justify-content: space-between; margin-top: 34px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 18px; min-height: 64px; color: var(--muted); font-size: .96rem; background: color-mix(in srgb, var(--surface) 90%, transparent); }
.site-footer-links { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.site-footer a { color: var(--accent); font-weight: 700; text-decoration: none; }

@media (max-width: 980px) {
    .hero,
    .faq,
    .field-grid,
    .compact-grid,
    .watch-metric-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .hero { grid-template-columns: 1fr; }
    .hero-art { width: min(100%, 240px); justify-self: center; }
}

@media (max-width: 640px) {
    .page { padding: 10px 10px 16px; }
    .card { padding: 10px 10px 14px; }
    .hero-title { font-size: clamp(1.8rem, 9vw, 2.5rem); }
    .action-row > *,
    button,
    .ghost-button { width: 100%; }
    .chip-button { width: auto; }
    .site-footer { justify-content: center; text-align: center; min-height: 0; }
    .site-footer-links { justify-content: center; width: 100%; }
}

@media (max-width: 420px) {
    .page { padding: 8px 8px 14px; }
    .theme-toggle, .home-link { width: 44px; height: 44px; }
    .theme-toggle svg { width: 20px; height: 20px; }
}