/* ── Model accent colors ──────────────────────────────────────────────────── */
.pat-col-recipr { color: var(--accent) !important; }
.pat-col-tanh   { color: var(--warning) !important; }

/* ── Tab bar ──────────────────────────────────────────────────────────────── */
.pat-tab-bar {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.25rem;
}

.pat-tab {
    padding: 0.55rem 1.1rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color 0.15s, border-color 0.15s;
    user-select: none;
}

.pat-tab:hover { color: var(--text-secondary); }
.pat-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.pat-panel { display: none; }
.pat-panel.active { display: block; }

/* ── Grid layouts ─────────────────────────────────────────────────────────── */
.pat-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.pat-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.75rem; }

@media (max-width: 720px) { .pat-grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .pat-grid-2, .pat-grid-3 { grid-template-columns: 1fr; } }

/* ── Field label ──────────────────────────────────────────────────────────── */
.pat-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

/* ── Mode toggle ──────────────────────────────────────────────────────────── */
.pat-mode-toggle {
    display: flex;
    gap: 2px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 3px;
    width: fit-content;
    margin-bottom: 1rem;
}

.pat-mode-btn {
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 0.35rem 0.9rem;
    background: none;
    border: none;
    border-radius: 3px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s;
}

.pat-mode-btn.active { background: var(--bg-tertiary); color: var(--text-primary); }

/* ── Notice ───────────────────────────────────────────────────────────────── */
.pat-notice {
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.83rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 1rem;
}

/* ── Model result cards ───────────────────────────────────────────────────── */
.pat-model-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

@media (max-width: 640px) { .pat-model-grid { grid-template-columns: 1fr; } }

.pat-model-card {
    background: var(--bg-secondary);
    border-radius: 6px;
    padding: 1rem;
}

.pat-card-recipr { border: 1px solid rgba(184, 111, 255, 0.25); }
.pat-card-tanh   { border: 1px solid rgba(245, 158, 11, 0.25); }

.pat-model-name {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 0.85rem;
}

.pat-param-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.3rem 0;
    border-bottom: 1px solid var(--border-color);
}

.pat-param-row:last-of-type { border-bottom: none; }

.pat-param-key {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: 'SF Mono', Consolas, monospace;
}

.pat-param-val {
    font-size: 0.88rem;
    color: var(--text-primary);
    font-weight: 600;
    font-family: 'SF Mono', Consolas, monospace;
}

.pat-r2 {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    font-family: 'SF Mono', Consolas, monospace;
}

.pat-cfg-pre {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.6rem 0.75rem;
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-family: 'SF Mono', 'Cascadia Code', Consolas, monospace;
    margin-top: 0.75rem;
    overflow-x: auto;
    line-height: 1.65;
    white-space: pre;
}

/* ── AI analysis block ────────────────────────────────────────────────────── */
.pat-analysis {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-dim);
    border-radius: 4px;
    padding: 1rem 1.1rem;
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-top: 1rem;
}

.pat-analysis p + p { margin-top: 0.55rem; }

/* ── Upload zone ──────────────────────────────────────────────────────────── */
.pat-upload-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.pat-upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 6px;
    padding: 1.25rem;
    text-align: center;
    cursor: pointer;
    background: var(--bg-primary);
    transition: border-color 0.15s, background 0.15s;
    margin-bottom: 0.75rem;
}

.pat-upload-zone:hover,
.pat-upload-zone.drag-over {
    border-color: var(--accent-dim);
    background: var(--accent-glow);
}

.pat-upload-hint { font-size: 0.78rem; color: var(--text-muted); line-height: 1.5; }

/* ── Thumbnails ───────────────────────────────────────────────────────────── */
.pat-img-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.5rem; }

.pat-img-thumb {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.pat-img-thumb img { width: 100%; height: 100%; object-fit: cover; }

.pat-img-remove {
    position: absolute;
    top: 2px;
    right: 2px;
    background: rgba(13, 10, 18, 0.85);
    border: none;
    color: var(--error);
    width: 16px;
    height: 16px;
    border-radius: 2px;
    cursor: pointer;
    font-size: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    line-height: 1;
}

/* ── Sequential history ───────────────────────────────────────────────────── */
.pat-seq-session {
    padding: 0.85rem 0.85rem 0.85rem 1rem;
    margin-bottom: 1rem;
    border-left: 2px solid var(--border-color);
}

.pat-seq-session.model-recipr { border-left-color: var(--accent-dim); }
.pat-seq-session.model-tanh   { border-left-color: rgba(245, 158, 11, 0.5); }

.pat-seq-header {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-family: 'SF Mono', Consolas, monospace;
}

.pat-seq-session.model-recipr .pat-seq-header { color: var(--accent); }
.pat-seq-session.model-tanh   .pat-seq-header { color: var(--warning); }

.pat-seq-text {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.65;
    background: var(--bg-primary);
    padding: 0.7rem 0.85rem;
    border-radius: 4px;
}

.pat-seq-text p + p { margin-top: 0.4rem; }

/* ── Params hint (compare tab) ────────────────────────────────────────────── */
.pat-params-hint {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    font-family: 'SF Mono', Consolas, monospace;
    line-height: 1.6;
}

/* ── Spinner ──────────────────────────────────────────────────────────────── */
.pat-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: patSpin 0.8s linear infinite;
    vertical-align: middle;
    flex-shrink: 0;
}

@keyframes patSpin { to { transform: rotate(360deg); } }

/* ── Speed table ──────────────────────────────────────────────────────────── */
.pat-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.pat-table th {
    position: sticky;
    top: 0;
    background: var(--bg-tertiary);
    padding: 0.5rem 1rem;
    text-align: left;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

.pat-table td {
    padding: 0.45rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-family: 'SF Mono', Consolas, monospace;
}

.pat-table tr:last-child td { border-bottom: none; }
.pat-table tr:hover td { background: var(--bg-tertiary); }
.pat-table .col-recipr { color: var(--accent); }
.pat-table .col-tanh   { color: var(--warning); }
.pat-table .col-dim    { color: var(--text-muted); }

/* ── API setup card ───────────────────────────────────────────────────────── */
.pat-api-setup input[type="password"] { font-family: 'SF Mono', Consolas, monospace; }

/* ── Mobile topbar ────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
    .pat-tab { font-size: 0.75rem; padding: 0.5rem 0.7rem; }
}