:root {
    --bg: #f4f1ea;
    --surface: #ffffff;
    --text: #1d2420;
    --muted: #5c6862;
    --accent: #164e3a;
    --accent-text: #ffffff;
    --border: #d9d4c7;
    --found: #0b7a43;
    --none: #b4540a;
    --warn: #9a5b00;
    --danger: #b3261e;
    --set: #22c55e;
    --card-face: #fbfaf6;
    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #121614;
        --surface: #1c2220;
        --text: #e9ece9;
        --muted: #9aa69f;
        --accent: #2f8f68;
        --border: #34403b;
        --found: #4cc38a;
        --none: #f0a050;
        --warn: #f0b850;
        --danger: #ff8a80;
        --card-face: #f4f2ec;
    }
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.45;
    -webkit-tap-highlight-color: transparent;
}

.page {
    max-width: 760px;
    margin: 0 auto;
    padding: max(12px, env(safe-area-inset-top)) 16px 24px;
}

.top { display: flex; align-items: center; gap: 10px; margin: 4px 0 14px; }
.top img { border-radius: 8px; }
.top h1 { font-size: 1.4rem; margin: 0; }

.lang-switch {
    margin-left: auto;
    display: flex;
    border: 1px solid var(--border);
    border-radius: 999px;
    overflow: hidden;
    background: var(--surface);
}
.lang-switch button {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 9px;
    border: 0;
    background: none;
    color: var(--muted);
    font: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
}
.lang-switch button.active { background: var(--accent); color: var(--accent-text); }
.lang-switch .flag { width: 18px; height: 12px; border-radius: 2px; box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15); }

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.actions .btn { flex: 1 1 auto; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 16px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    position: relative;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.danger { color: var(--danger); }
.btn.link { border: none; background: none; color: var(--accent); padding: 0; min-height: 32px; text-decoration: underline; }
.btn:focus-within, .btn:focus-visible { outline: 3px solid var(--set); outline-offset: 2px; }

.hidden-input { position: absolute; inset: 0; opacity: 0; width: 100%; cursor: pointer; }

.status { padding: 12px 14px; border-radius: 10px; margin-bottom: 12px; background: var(--surface); border: 1px solid var(--border); }
.status.error { color: var(--danger); border-color: var(--danger); }
.spinner {
    display: inline-block; width: 1em; height: 1em; vertical-align: -2px; margin-right: 6px;
    border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.photo { position: relative; border-radius: 12px; overflow: hidden; margin-bottom: 12px; background: #000; }
.photo img { display: block; width: 100%; height: auto; }
.overlay { position: absolute; inset: 0; width: 100%; height: 100%; }

.card-mark { cursor: pointer; }
.card-mark polygon { fill: transparent; stroke: rgba(255, 255, 255, 0.85); stroke-width: 0.35%; vector-effect: non-scaling-stroke; }
.card-mark circle { fill: rgba(0, 0, 0, 0.6); }
.card-mark text { fill: #fff; text-anchor: middle; dominant-baseline: central; font-weight: 700; font-family: system-ui, sans-serif; }
.card-mark.uncertain polygon { stroke: #ff9800; stroke-dasharray: 8 6; }
.card-mark.in-set polygon { stroke: var(--set); stroke-width: 4px; fill: rgba(34, 197, 94, 0.3); }
.card-mark.in-set circle { fill: var(--set); }
.card-mark.in-set text { fill: #000; }
.card-mark.editing polygon { stroke: #4fc3f7; stroke-width: 4px; }

.verdict { display: flex; flex-direction: column; gap: 2px; padding: 12px 14px; border-radius: 10px; margin-bottom: 12px; background: var(--surface); border-left: 6px solid var(--found); }
.verdict.none { border-left-color: var(--none); }
.verdict strong { font-size: 1.15rem; }
.verdict span { color: var(--muted); }
.verdict .warn { color: var(--warn); }

.sets { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin-bottom: 16px; }
.set {
    display: flex; flex-direction: column; gap: 6px; padding: 8px; border-radius: 10px;
    border: 2px solid var(--border); background: var(--surface); color: var(--text); font: inherit; text-align: left; cursor: pointer;
}
.set.selected { border-color: var(--set); }
.set-title { font-weight: 600; font-size: 0.9rem; }
.set-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 44px)); gap: 5px; }

.cards h2 { font-size: 1.1rem; margin: 8px 0 0; }
.hint { color: var(--muted); margin: 0 0 8px; font-size: 0.9rem; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); gap: 8px; }
.card-tile { position: relative; padding: 0; border: 2px solid transparent; border-radius: 8px; background: none; cursor: pointer; }
.card-tile.editing { border-color: #4fc3f7; }
.card-tile.add {
    aspect-ratio: 57 / 89; border: 2px dashed var(--border); color: var(--muted); font-size: 2rem; font-weight: 300;
}
.card-grid.raster { --tile-max: 92px; }
.card-grid.raster.landscape { --tile-max: 132px; }
.card-tile.free {
    aspect-ratio: 57 / 89; border: 2px dashed var(--border); color: var(--muted); font-size: 1.3rem; opacity: 0.7;
}
.card-grid.landscape .card-tile.add, .card-grid.landscape .card-tile.free { aspect-ratio: 89 / 57; }
.card-grid.landscape .tile-number { top: 2px; left: 2px; min-width: 16px; height: 16px; line-height: 16px; font-size: 0.65rem; }
.tile-number {
    position: absolute; top: 3px; left: 3px; min-width: 20px; height: 20px; padding: 0 4px; border-radius: 10px;
    background: rgba(0, 0, 0, 0.6); color: #fff; font-size: 0.75rem; line-height: 20px; text-align: center;
}

.card-view { display: block; width: 100%; height: auto; }
.card-view .card-face { fill: var(--card-face); stroke: #c8c2b2; stroke-width: 1; }
.card-view.highlight .card-face { stroke: var(--set); stroke-width: 3; }
.card-view.uncertain .card-face { stroke: #ff9800; stroke-width: 2.5; stroke-dasharray: 4 3; }

.editor { margin-top: 12px; padding: 12px; border-radius: 12px; background: var(--surface); border: 1px solid var(--border); }
.editor h3 { margin: 0 0 8px; font-size: 1rem; }
.picker { margin-bottom: 8px; }
.picker-label { display: block; font-size: 0.8rem; color: var(--muted); margin-bottom: 2px; }
.picker-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.picker-options button {
    min-height: 40px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font: inherit; cursor: pointer;
}
.picker-options button.active { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
.editor-actions { display: flex; justify-content: space-between; gap: 8px; margin-top: 10px; }

.intro { background: var(--surface); border-radius: 12px; padding: 4px 16px 12px; border: 1px solid var(--border); }
.intro ul { padding-left: 20px; margin: 0 0 8px; color: var(--muted); }

.foot { max-width: 760px; margin: 0 auto; padding: 0 16px 24px; color: var(--muted); font-size: 0.8rem; }

.boot { display: flex; flex-direction: column; align-items: center; gap: 8px; padding-top: 25vh; color: var(--muted); }
.boot img { border-radius: 20px; }
.boot-progress { width: 160px; height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.boot-progress div { width: var(--blazor-load-percentage, 0%); height: 100%; background: var(--accent); transition: width 0.1s; }

#blazor-error-ui {
    background: lightyellow; color: #000; bottom: 0; box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none; left: 0; padding: 0.6rem 1.25rem 0.7rem; position: fixed; width: 100%; z-index: 1000;
}
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: 0.75rem; top: 0.5rem; }