@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
    --bg: #1e1e1e;
    --surface: #252525;
    --surface-hover: #2a2a2a;
    --border: #3a3a3a;
    --border-focus: #555;
    --text: #e0e0e0;
    --text-secondary: #888;
    --accent: #4a9eff;
    --accent-dim: #3a7ecc;
    --danger: #f87171;
    --success: #4ade80;
    --gold: #fbbf24;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
}

.app { max-width: 1200px; margin: 0 auto; padding: 24px; }

/* ── Header ──────────────────────────────────────── */
header { padding: 16px 0 24px; }
header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.3px;
}
.tagline { color: var(--text-secondary); font-size: 0.9rem; margin-top: 2px; }

/* ── Tabs ────────────────────────────────────────── */
.tabs {
    display: flex;
    gap: 0;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
}
.tab-btn {
    padding: 10px 20px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color 0.15s, border-color 0.15s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Race bar ────────────────────────────────────── */
.race-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 0;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.race-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.race-info strong {
    color: var(--text);
    font-weight: 600;
}
.race-buttons {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-left: auto;
}

/* ── Buttons ─────────────────────────────────────── */
.btn-primary {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 8px 20px;
    border-radius: 5px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}
.btn-primary:hover:not(:disabled) { background: var(--accent-dim); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 5px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
}
.btn-secondary:hover { border-color: var(--border-focus); color: var(--text); }

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    padding: 8px 16px;
    border-radius: 5px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
}
.btn-danger:hover:not(:disabled) { background: var(--danger); color: #fff; }
.btn-danger:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-sm { padding: 5px 12px; font-size: 0.8rem; }

/* ── Race container ──────────────────────────────── */
.race-container {
    position: relative;
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
}
#race-canvas {
    display: block;
    max-width: 100%;
    background: #1a1a2e;
}
.results-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(30, 30, 30, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
}
.results-content {
    text-align: center;
    padding: 32px;
    min-width: 280px;
}
.results-content h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--gold);
}
#results-list {
    margin-bottom: 20px;
    text-align: left;
    max-height: 360px;
    overflow-y: auto;
}
.result-entry {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 10px;
    margin-bottom: 2px;
    border-radius: 4px;
    background: var(--surface);
}
.result-entry:first-child {
    background: rgba(251, 191, 36, 0.08);
    border: 1px solid rgba(251, 191, 36, 0.25);
}
.result-dq { opacity: 0.5; }
.result-pos {
    font-weight: 700;
    font-size: 0.95rem;
    min-width: 28px;
    color: var(--text-secondary);
}
.result-entry:first-child .result-pos { color: var(--gold); }
.result-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    flex-shrink: 0;
}
.result-name { flex: 1; font-weight: 500; }
.result-bounces { color: var(--text-secondary); font-size: 0.8rem; }

/* ── Settings ────────────────────────────────────── */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}
.settings-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 16px;
}
.settings-card h3 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    margin-bottom: 12px;
}
.settings-hint {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-bottom: 10px;
}
.setting-val {
    display: inline-block;
    margin-top: 6px;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.95rem;
}

/* Obstacles */
.obstacle-settings {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 16px 20px;
}
.obstacle-settings h3 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    margin-bottom: 4px;
}
.obstacle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 10px;
    margin: 12px 0 16px;
}
.obstacle-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 12px 14px;
    transition: opacity 0.2s;
}
.obstacle-card.disabled { opacity: 0.35; }
.obstacle-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
}
.obstacle-name { font-weight: 600; font-size: 0.9rem; }
.obstacle-desc { color: var(--text-secondary); font-size: 0.8rem; margin-bottom: 8px; }
.obstacle-range { display: flex; align-items: center; gap: 4px; font-size: 0.8rem; color: var(--text-secondary); }
.obstacle-range input[type="range"] { flex: 1; max-width: 70px; }
.range-val {
    color: var(--accent);
    font-weight: 600;
    min-width: 20px;
    text-align: center;
    font-size: 0.8rem;
}

.obstacle-prop {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid var(--border);
}
.obstacle-prop input[type="range"] { flex: 1; max-width: 80px; }
.prop-val {
    color: var(--accent);
    font-weight: 600;
    min-width: 32px;
    text-align: right;
    font-size: 0.78rem;
}

/* Toggle */
.toggle-label {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
    flex-shrink: 0;
}
.toggle-label input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--border);
    border-radius: 20px;
    transition: background 0.2s;
}
.toggle-slider::before {
    content: "";
    position: absolute;
    height: 14px;
    width: 14px;
    left: 3px;
    bottom: 3px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s;
}
.toggle-label input:checked + .toggle-slider { background: var(--accent); }
.toggle-label input:checked + .toggle-slider::before { transform: translateX(16px); }

/* Range inputs */
input[type="range"] {
    width: 100%;
    -webkit-appearance: none;
    height: 4px;
    border-radius: 2px;
    background: var(--border);
    outline: none;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: 1px solid var(--border);
}
input[type="range"]::-moz-range-thumb {
    width: 14px; height: 14px; border-radius: 50%; background: var(--accent);
    cursor: pointer; border: 1px solid var(--border);
}

/* Density / option buttons */
.density-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.density-btn {
    padding: 5px 8px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text-secondary);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    text-align: center;
}
.density-btn:hover { border-color: var(--border-focus); color: var(--text); }
.density-btn.active {
    border-color: var(--accent);
    background: var(--accent);
    color: #fff;
}

/* ── Panel header ────────────────────────────────── */
.panel-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}
.panel-header h2 {
    font-size: 1.15rem;
    font-weight: 700;
}
.panel-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ── Stable ──────────────────────────────────────── */
.stable-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}
.stable-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 14px;
}
.stable-preview {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
}
.marble-dot { border-radius: 50%; }
.stable-fields {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 0;
}
.stable-name {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-family: inherit;
}
.stable-name:focus { outline: none; border-color: var(--accent); }
.stable-color {
    width: 36px;
    height: 24px;
    border: 1px solid var(--border);
    border-radius: 3px;
    cursor: pointer;
    padding: 1px;
    background: transparent;
}
.stable-size-row {
    display: flex;
    align-items: center;
    gap: 6px;
}
.stable-size-row label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    white-space: nowrap;
    min-width: 48px;
}
.stable-size-row span {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.75rem;
}
.stable-size-row input[type="range"] { flex: 1; }
.stable-delete {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 3px;
}
.stable-delete:hover { color: var(--danger); background: rgba(248, 113, 113, 0.1); }
.stable-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.save-indicator {
    color: var(--success);
    font-size: 0.8rem;
    font-weight: 500;
}

/* ── Scoring ─────────────────────────────────────── */
.scoring-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 6px;
    margin-bottom: 16px;
}
.scoring-row {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 10px;
}
.scoring-pos {
    font-weight: 600;
    font-size: 0.85rem;
}
.scoring-pts {
    width: 44px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--accent);
    padding: 3px 6px;
    border-radius: 3px;
    font-family: inherit;
    font-weight: 600;
    text-align: center;
    font-size: 0.85rem;
}
.scoring-pts:focus { outline: none; border-color: var(--accent); }
.scoring-label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
}
.scoring-remove {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 1px 4px;
    border-radius: 3px;
    margin-left: auto;
}
.scoring-remove:hover { color: var(--danger); background: rgba(248, 113, 113, 0.1); }
.dq-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}
.dq-row label { color: var(--text-secondary); font-weight: 500; font-size: 0.9rem; }
.dq-row input {
    width: 56px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--danger);
    padding: 5px 8px;
    border-radius: 4px;
    font-family: inherit;
    font-weight: 600;
    text-align: center;
    font-size: 0.9rem;
}
.dq-row input:focus { outline: none; border-color: var(--danger); }

/* ── Stats ───────────────────────────────────────── */
.stats-summary {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 16px;
    padding: 12px 0;
}
.stats-summary span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.stats-summary strong { color: var(--text); font-weight: 600; }
.table-wrap {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow-x: auto;
    margin-bottom: 16px;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--bg);
    font-size: 0.85rem;
    white-space: nowrap;
}
.rank-cell { font-weight: 700; font-size: 0.9rem; }
.dot-cell {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
}
.pts-cell { font-weight: 700; color: var(--accent); }

/* ── Audio card in settings ──────────────────────── */
.audio-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.audio-row span { color: var(--text-secondary); font-size: 0.85rem; }

/* ── Utils ───────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Maps Tab ──────────────────────────────────── */
.maps-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}
.maps-catalog {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.maps-entry {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 10px 14px;
}
.maps-entry.maps-active {
    border-color: var(--accent);
    background: rgba(74, 158, 255, 0.06);
}
.maps-entry-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.maps-entry-name {
    font-weight: 600;
    font-size: 0.9rem;
}
.maps-entry-meta {
    color: var(--text-secondary);
    font-size: 0.75rem;
}
.maps-entry-actions {
    display: flex;
    gap: 4px;
    align-items: center;
    flex-shrink: 0;
}
.maps-active-badge {
    color: var(--accent);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-right: 4px;
}
.maps-empty {
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: 20px 0;
    text-align: center;
}

/* ── Editor Tab ────────────────────────────────── */
.editor-top-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.editor-meta-row {
    display: flex;
    gap: 6px;
    flex: 1;
    flex-wrap: wrap;
}
.editor-meta-input {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 5px 10px;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.85rem;
    min-width: 120px;
}
.editor-meta-input:focus {
    outline: none;
    border-color: var(--accent);
}
.editor-meta-input[data-field="name"] { flex: 1; min-width: 140px; }
.editor-meta-input[data-field="author"] { width: 140px; }
.editor-meta-input[data-field="description"] { flex: 2; min-width: 180px; }
.editor-top-buttons {
    display: flex;
    gap: 4px;
    align-items: center;
    flex-shrink: 0;
}

.editor-body {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}
.editor-toolbar {
    display: flex;
    flex-direction: column;
    gap: 3px;
    flex-shrink: 0;
    width: 90px;
}
.editor-tool-btn {
    padding: 6px 8px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-secondary);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.editor-tool-btn:hover { border-color: var(--border-focus); color: var(--text); }
.editor-tool-btn.active {
    border-color: var(--accent);
    background: var(--accent);
    color: #fff;
}
.editor-toolbar-spacer { flex: 1; }
.editor-grid-label {
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    padding: 2px 4px;
}

.editor-canvas-wrap {
    flex: 1;
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: auto;
    min-height: 300px;
    background: #1a1a2e;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}
.editor-canvas-wrap canvas {
    display: block;
    max-width: none;
}

.editor-props {
    width: 180px;
    flex-shrink: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 10px 12px;
    font-size: 0.78rem;
}
.editor-props-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.editor-props-empty {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.75rem;
}
.editor-props-header {
    font-weight: 600;
    font-size: 0.8rem;
    margin-bottom: 8px;
    color: var(--accent);
}
#editor-props-content label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    margin-bottom: 5px;
    color: var(--text-secondary);
    font-size: 0.75rem;
}
#editor-props-content input[type="number"],
#editor-props-content select {
    width: 70px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 2px 5px;
    border-radius: 3px;
    font-family: inherit;
    font-size: 0.75rem;
    text-align: right;
}
#editor-props-content input[type="number"]:focus,
#editor-props-content select:focus {
    outline: none;
    border-color: var(--accent);
}
#editor-props-content input[type="color"] {
    width: 36px;
    height: 22px;
    border: 1px solid var(--border);
    border-radius: 3px;
    cursor: pointer;
    padding: 1px;
    background: transparent;
}

.editor-bottom-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.editor-dims {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}
.editor-dims label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}
.editor-dims input[type="number"] {
    width: 64px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 3px 6px;
    border-radius: 3px;
    font-family: inherit;
    font-size: 0.8rem;
    text-align: center;
}
.editor-dims input[type="number"]:focus {
    outline: none;
    border-color: var(--accent);
}

/* ── Settings Disabled (Map Active) ─────────────── */
.settings-disabled {
    position: relative;
    opacity: 0.4;
    pointer-events: none;
    user-select: none;
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 768px) {
    .app { padding: 16px; }
    header h1 { font-size: 1.3rem; }
    .tabs { gap: 0; }
    .tab-btn { padding: 8px 12px; font-size: 0.8rem; }
    .race-bar { flex-direction: column; align-items: flex-start; }
    .race-buttons { margin-left: 0; }
    .panel-header { flex-direction: column; align-items: flex-start; }
    .obstacle-grid { grid-template-columns: 1fr; }
    .editor-body { flex-direction: column; }
    .editor-toolbar { flex-direction: row; flex-wrap: wrap; width: 100%; }
    .editor-tool-btn { text-align: center; flex: 1; min-width: 50px; }
    .editor-props { width: 100%; }
    .editor-meta-row { flex-direction: column; }
    .editor-top-bar { flex-direction: column; align-items: stretch; }
    .editor-dims { flex-direction: column; align-items: flex-start; }
}