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

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: #0a0a0f;
    color: #e0e0e8;
    height: 100%;
}

.app-shell {
    padding: 12px 20px;
    min-height: 100vh;
}

/* ── Drop zone ── */
.drop-zone {
    border: 2px dashed #333;
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}
.drop-zone:hover, .drop-zone.drag-over {
    border-color: #7dd3fc;
    background: #0e1520;
}
.drop-zone h2 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.drop-zone p { font-size: 13px; color: #666; }

/* ── Detail layout ── */
.detail-layout {
    display: flex;
    gap: 20px;
}
.detail-main { flex: 1; min-width: 0; }
.detail-sidebar {
    width: 260px;
    flex-shrink: 0;
    position: fixed;
    right: 20px;
    top: 20px;
    bottom: 20px;
    display: flex;
    flex-direction: column;
}
.detail-main { margin-right: 280px; }

/* ── Player ── */
.player { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
.player button {
    background: #1a1a24; color: #e0e0e8; border: 1px solid #333;
    padding: 5px 12px; border-radius: 4px; cursor: pointer; font-size: 12px;
}
.player button:hover { background: #2a2a3a; }
.player button.active { background: #1a2a3a; border-color: #7dd3fc; }
.player input[type=range] { flex: 1; min-width: 150px; accent-color: #7dd3fc; }
.player .info { font-size: 12px; color: #888; min-width: 100px; }

.speed-ctrl { font-size: 11px; color: #666; display: flex; align-items: center; gap: 4px; }
.speed-ctrl select {
    background: #1a1a24; color: #ccc; border: 1px solid #333;
    padding: 2px 4px; border-radius: 3px; font-size: 11px;
}

/* ── Token bar ── */
.token-bar {
    font-size: 13px; padding: 8px 12px; background: #12121a; border: 1px solid #1a1a24;
    border-radius: 6px; font-family: 'SF Mono', 'Cascadia Code', monospace;
    height: 40px; line-height: 1.4; overflow: hidden; white-space: nowrap;
    margin-bottom: 6px; display: flex; align-items: center;
}
.token-past { color: #555; }
.token-current { color: #7dd3fc; background: #1a2a3a; padding: 1px 2px; border-radius: 2px; font-weight: 600; }
.token-future { color: #333; }
.token-gen { color: #4ade80; }
.token-gen.token-current { background: #1a3a2a; color: #4ade80; }

.phase-badge {
    display: inline-block; font-size: 10px; padding: 2px 8px; border-radius: 3px;
    margin-left: 8px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;
}
.phase-prefill { background: #1a2a3a; color: #7dd3fc; }
.phase-decode  { background: #1a3a2a; color: #4ade80; }

/* ── Grids ── */
.grid-outer { display: flex; gap: 0; }
.ylabels { display: flex; flex-direction: column; gap: 0; flex-shrink: 0; }
.ylbl {
    height: 16px; font-size: 9px; color: #444; display: flex; align-items: center;
    justify-content: flex-end; padding-right: 4px; width: 24px;
}

/* ── Canvas ── */
canvas { border-radius: 4px; display: block; }

/* ── Sidebar ── */
.sidebar-section { margin-bottom: 12px; }
.sidebar-heading { font-size: 11px; color: #888; margin-bottom: 6px; }

.cand-list { list-style: none; }
.cand-item { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; font-size: 12px; }
.cand-bar-bg { flex: 1; height: 12px; background: #151520; border-radius: 3px; overflow: hidden; }
.cand-bar { height: 100%; border-radius: 3px; }
.cand-bar.top { background: #4ade80; }
.cand-bar.other { background: #334; }
.cand-tok {
    min-width: 70px; font-family: monospace; color: #ccc; text-align: right;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cand-pct { min-width: 40px; text-align: right; color: #888; font-size: 11px; }
.no-cands { color: #444; font-size: 12px; font-style: italic; }

.stat-row { display: flex; justify-content: space-between; margin-bottom: 4px; font-size: 12px; color: #555; }
.stat-val { color: #7dd3fc; font-weight: 600; }

.hottest-row { display: flex; gap: 4px; align-items: center; margin-bottom: 1px; font-size: 11px; font-family: monospace; color: #aaa; }
.hottest-layer { color: #555; width: 18px; text-align: right; }
.hottest-expert { color: #7dd3fc; width: 28px; }
.hottest-bar { height: 6px; background: #7dd3fc; border-radius: 2px; }
.hottest-pct { color: #555; }

/* ── Loading overlay ── */
.loading-overlay {
    position: fixed; inset: 0; background: rgba(10, 10, 15, 0.85);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 16px; z-index: 1000; backdrop-filter: blur(2px);
}
.spinner {
    width: 42px; height: 42px; border-radius: 50%;
    border: 3px solid #1a1a24; border-top-color: #7dd3fc;
    animation: spin 0.8s linear infinite;
}
.loading-overlay .label { font-size: 12px; color: #7dd3fc; letter-spacing: 0.5px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Error UI ── */
#blazor-error-ui {
    background: #300; color: #faa; bottom: 0; display: none;
    left: 0; padding: 0.6rem 1.25rem; position: fixed; width: 100%; z-index: 1000;
}
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: 0.75rem; top: 0.5rem; }