/* gizza-ai model picker — full-screen overlay launched from Settings or the
 * empty chat state. All rules scoped under `dialog#model-picker` so they
 * don't collide with `dialog#settings`. Tokens come from gizza.css. */

dialog#model-picker {
    /* Centered card overlay. The dialog element auto-centers when its margin
     * is `auto`; we size it to a comfortable max but cap it at 92vw / 88vh so
     * it stays well inside the viewport with breathing room around it. */
    width: min(1100px, 92vw);
    height: min(820px, 88vh);
    max-width: 1100px;
    max-height: 88vh;
    margin: auto;
    padding: 0;
    border: 1px solid var(--color-hairline-strong);
    border-radius: var(--radius-lg);
    background: var(--color-canvas);
    color: var(--color-ink);
    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.22),
        0 4px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    /* Consistent brand voice — Itim throughout the picker, including
     * native form controls (input, select) which otherwise inherit
     * the UA's default sans. */
    font-family: var(--font-display);
}
dialog#model-picker input,
dialog#model-picker select,
dialog#model-picker button {
    font-family: var(--font-display);
}
dialog#model-picker::backdrop {
    background: rgba(15, 15, 20, 0.5);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

/* On narrow viewports (mobile / split-screen) the centered card wastes more
 * space on chrome than it saves; collapse back to full-screen so the table
 * + tier cards get every pixel. */
@media (max-width: 720px) {
    dialog#model-picker {
        width: 100vw;
        height: 100vh;
        max-width: none;
        max-height: none;
        margin: 0;
        border: none;
        border-radius: 0;
        box-shadow: none;
    }
}

/* ─── Header ───────────────────────────────────────────────────────────── */
.mp-header {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-base) var(--space-lg);
    border-bottom: 1px solid var(--color-hairline);
    background: var(--color-surface-card);
}
.mp-header h2 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 400;
    color: var(--color-ink);
}
.mp-close {
    background: transparent;
    border: none;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    color: var(--color-muted);
    padding: var(--space-xs);
}
.mp-close:hover { color: var(--color-ink); }

/* ─── Filter row (sticky) ──────────────────────────────────────────────── */
.mp-filters {
    flex: 0 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    align-items: center;
    padding: var(--space-base) var(--space-lg);
    border-bottom: 1px solid var(--color-hairline);
    background: var(--color-canvas-soft);
    position: sticky;
    top: 0;
    z-index: 1;
}
.mp-search {
    flex: 1 1 220px;
    min-width: 200px;
    padding: 8px 12px;
    font-family: var(--font-display);
    font-size: 14px;
    border: 1px solid var(--color-hairline-strong);
    border-radius: var(--radius-md);
    background: var(--color-surface-card);
    color: var(--color-ink);
}
.mp-search:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }

.mp-filter-select {
    padding: 6px 28px 6px 12px;
    font-size: 13px;
    font-family: var(--font-display);
    background-color: var(--color-surface-card);
    background-image: linear-gradient(45deg, transparent 50%, var(--color-muted) 50%),
                      linear-gradient(135deg, var(--color-muted) 50%, transparent 50%);
    background-position: calc(100% - 14px) 50%, calc(100% - 9px) 50%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    border: 1px solid var(--color-hairline-strong);
    border-radius: var(--radius-md);
    color: var(--color-ink);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    min-width: 140px;
}
.mp-filter-select:hover { border-color: var(--color-ink); }
.mp-filter-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.mp-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    cursor: pointer;
    user-select: none;
    color: var(--color-body);
}
.mp-toggle input { accent-color: var(--color-primary); }

.mp-sort {
    padding: 6px 28px 6px 10px;
    font-size: 12px;
    font-family: var(--font-display);
    background: var(--color-surface-card);
    border: 1px solid var(--color-hairline-strong);
    border-radius: var(--radius-md);
    color: var(--color-ink);
    cursor: pointer;
}

.mp-result-count {
    margin-left: auto;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.88px;
    color: var(--color-muted);
}
.mp-result-count a {
    color: var(--color-primary);
    text-decoration: none;
    margin-left: var(--space-xs);
}
.mp-result-count a:hover { text-decoration: underline; }

/* ─── Table layout ─────────────────────────────────────────────────────── */
.mp-table-wrap {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: var(--space-lg);
}
.mp-table {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    border-collapse: collapse;
    background: var(--color-surface-card);
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-lg);
    overflow: hidden;
    font-size: 13px;
}
.mp-table thead {
    background: var(--color-canvas-soft);
}
.mp-table th {
    text-align: left;
    padding: var(--space-sm) var(--space-base);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--color-muted);
    border-bottom: 1px solid var(--color-hairline);
    user-select: none;
}
.mp-th-sortable {
    cursor: pointer;
    transition: color 120ms ease;
}
.mp-th-sortable:hover { color: var(--color-ink); }
.mp-th-sortable.is-active { color: var(--color-ink); }
.mp-table td {
    padding: var(--space-sm) var(--space-base);
    border-bottom: 1px solid var(--color-hairline-soft);
    vertical-align: middle;
}
.mp-row:hover {
    background: var(--color-canvas-soft);
}
.mp-row.is-active {
    background: #fff7f1;
}
.mp-row:last-child td { border-bottom: none; }

.mp-cell-model-name {
    font-weight: 500;
    color: var(--color-ink);
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}
.mp-cell-model-title {
    flex: 0 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.mp-cell-model-sub {
    font-size: 11px;
    color: var(--color-muted);
    margin-top: 2px;
    margin-left: 30px;  /* align under title (after star) */
}
.mp-cell-hf-link {
    color: var(--color-primary);
    text-decoration: none;
}
.mp-cell-hf-link:hover { text-decoration: underline; }
.mp-cell-provider { color: var(--color-body); }
.mp-cell-size strong { font-weight: 500; color: var(--color-ink); }
.mp-cell-status.is-loaded { color: #065f46; font-weight: 500; }
.mp-cell-status.is-cached { color: var(--color-body); }
.mp-cell-status.is-empty  { color: var(--color-muted-soft); }
.mp-cell-caps { white-space: nowrap; }

.mp-cell-actions {
    display: flex;
    gap: 6px;
    justify-content: flex-end;
}
.mp-action-btn {
    padding: 6px 12px;
    font-size: 12px;
    font-family: var(--font-display);
    font-weight: 500;
    background: var(--color-surface-card);
    border: 1px solid var(--color-hairline-strong);
    border-radius: var(--radius-sm);
    color: var(--color-ink);
    cursor: pointer;
    transition: background 120ms ease, border-color 120ms ease;
}
.mp-action-btn:hover:not(:disabled) { border-color: var(--color-ink); }
.mp-action-btn:disabled {
    color: var(--color-muted-soft);
    cursor: default;
    background: var(--color-canvas-soft);
}
.mp-action-btn.primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-on-primary);
}
.mp-action-btn.primary:hover:not(:disabled) { background: var(--color-primary-active); border-color: var(--color-primary-active); }
.mp-action-btn.primary:disabled {
    background: var(--color-canvas-soft);
    border-color: var(--color-hairline-strong);
    color: var(--color-muted-soft);
}
.mp-action-btn.mp-unload-btn {
    background: var(--color-surface-card);
    border-color: #b91c1c;
    color: #b91c1c;
}
.mp-action-btn.mp-unload-btn:hover:not(:disabled) {
    background: #fef2f2;
    border-color: #991b1b;
    color: #991b1b;
}
.mp-action-btn.mp-unload-btn:disabled {
    color: var(--color-muted-soft);
    border-color: var(--color-hairline-strong);
    background: var(--color-canvas-soft);
}

/* ─── Per-row load progress in the Status cell ─────────────────────────── */
.mp-cell-status.is-loading {
    min-width: 180px;
}
.mp-load-progress {
    width: 100%;
    height: 6px;
    background: var(--color-canvas-soft);
    border-radius: 999px;
    overflow: hidden;
    border: 1px solid var(--color-hairline-soft);
}
.mp-load-progress-bar {
    height: 100%;
    background: var(--color-primary);
    transition: width 200ms ease;
}
.mp-load-progress-text {
    margin-top: 4px;
    font-size: 11px;
    color: var(--color-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 220px;
}
.mp-cell-status.is-error {
    color: #b91c1c;
    font-weight: 500;
    max-width: 220px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.mp-row.is-loading {
    background: #fff7f1;
}

.mp-empty {
    text-align: center;
    padding: var(--space-xxl) 0;
    color: var(--color-muted);
    font-size: 13px;
}
.mp-empty a { color: var(--color-primary); cursor: pointer; }

.mp-badge {
    display: inline-block;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: var(--radius-pill);
    margin-right: 4px;
    font-weight: 500;
}
.mp-badge.tools { background: #fff7ed; color: #c2410c; }
.mp-badge.ctx { background: var(--color-canvas-soft); color: var(--color-body); }
.mp-badge.cached { background: #ecfdf5; color: #065f46; }
.mp-badge.active { background: var(--color-primary); color: var(--color-on-primary); }

/* ─── Quality picker (single dropdown inside the card) ─────────────────── */
.mp-quality {
    display: flex;
}
.mp-quality-select {
    width: 100%;
    padding: 8px 32px 8px 10px;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 500;
    background-color: var(--color-canvas-soft);
    background-image: linear-gradient(45deg, transparent 50%, var(--color-muted) 50%),
                      linear-gradient(135deg, var(--color-muted) 50%, transparent 50%);
    background-position: calc(100% - 16px) 50%, calc(100% - 11px) 50%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    border: 1px solid var(--color-hairline-strong);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--color-ink);
    line-height: 1.2;
    appearance: none;
    -webkit-appearance: none;
}
.mp-quality-select:hover { border-color: var(--color-ink); }
.mp-quality-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* ─── Sticky footer ────────────────────────────────────────────────────────── */
.mp-footer {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-base);
    padding: var(--space-base) var(--space-lg);
    border-top: 1px solid var(--color-hairline);
    background: var(--color-surface-card);
}
.mp-footer-summary {
    flex: 1 1 auto;
    font-size: 13px;
    color: var(--color-ink);
    line-height: 1.4;
}
.mp-footer-summary.placeholder { color: var(--color-muted); font-style: italic; }
.mp-footer-summary strong { font-weight: 500; }
.mp-footer-summary .mp-footer-meta { color: var(--color-body); margin-left: var(--space-xs); }

.mp-footer button.primary {
    background: var(--color-primary);
    color: var(--color-on-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: 0 20px;
    height: 40px;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 120ms ease;
    flex-shrink: 0;
    min-width: 130px;
}
.mp-footer button.primary:hover:not(:disabled) { background: var(--color-primary-active); }
.mp-footer button.primary:disabled {
    background: var(--color-surface-strong);
    color: var(--color-muted);
    border-color: var(--color-hairline-strong);
    cursor: not-allowed;
}

@media (max-width: 640px) {
    .mp-footer { flex-direction: column; align-items: stretch; }
    .mp-footer button.primary { width: 100%; }
}

/* ─── Card actions (top-right strip) ──────────────────────────────────── */
.mp-card-actions {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.mp-star {
    flex: 0 0 22px;
    width: 22px;
    height: 22px;
    padding: 0;
    background: transparent;
    border: none;
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    color: var(--color-muted-soft);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 120ms ease, transform 120ms ease;
}
.mp-star:hover { color: #f59e0b; transform: scale(1.1); }
.mp-star:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.mp-star.active { color: #f59e0b; }
.mp-star.active:hover { color: #d97706; }

.mp-trash {
    background: transparent;
    border: none;
    padding: 2px 6px;
    margin-left: 4px;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    color: var(--color-muted);
    border-radius: var(--radius-md);
}
.mp-trash:hover { background: rgba(220, 38, 38, 0.08); color: #b91c1c; }

/* ─── Brain-tier landing view ──────────────────────────────────────────── */
.mp-tiers {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}
.mp-tiers-intro {
    margin: 0;
    max-width: 720px;
    text-align: center;
    color: var(--color-body);
    font-size: 15px;
    line-height: 1.5;
}
.mp-tier-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(260px, 1fr));
    gap: var(--space-base);
    width: 100%;
    max-width: 960px;
}
@media (max-width: 820px) {
    .mp-tier-grid { grid-template-columns: 1fr; }
}

.mp-tier-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--color-surface-card);
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-lg);
    padding: var(--space-base);
    /* Reserve enough vertical space for the progress bar + text so the foot
     * row doesn't shift down when loading starts. Tagline (flex: 1 auto)
     * absorbs the slack while idle. */
    min-height: 230px;
    transition: border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
}
.mp-tier-card:hover { border-color: var(--color-hairline-strong); }
.mp-tier-card.is-recommended {
    border-color: var(--color-primary);
    box-shadow: 0 4px 18px rgba(0,0,0,0.06);
}
.mp-tier-card.is-active {
    border-color: var(--color-success);
    background: #f5fdf9;
}
.mp-tier-card.is-loading {
    border-color: var(--color-primary);
    background: #fff7f1;
}
.mp-tier-card.is-unavailable {
    opacity: 0.55;
    background: var(--color-canvas-soft);
}

.mp-tier-head {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-xs);
}
.mp-tier-emoji {
    font-size: 32px;
    line-height: 1;
    flex: 0 0 auto;
}
.mp-tier-titles { flex: 1 1 auto; min-width: 0; }
.mp-tier-label {
    margin: 0;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    line-height: 1.2;
}
.mp-tier-sub {
    margin-top: 4px;
    font-size: 11px;
    color: var(--color-muted);
    font-family: var(--sa-mono, ui-monospace, "SF Mono", monospace);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.mp-tier-badge {
    position: absolute;
    top: -10px;
    right: var(--space-base);
    padding: 3px 10px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    background: var(--color-primary);
    color: var(--color-on-primary);
    border-radius: var(--radius-pill);
}

.mp-tier-tagline {
    margin: 0 0 var(--space-base);
    color: var(--color-body);
    font-size: 13px;
    line-height: 1.45;
    flex: 1 1 auto;
}

.mp-tier-progress {
    width: 100%;
    height: 6px;
    margin-bottom: 6px;
    background: var(--color-canvas-soft);
    border: 1px solid var(--color-hairline-soft);
    border-radius: 999px;
    overflow: hidden;
}
.mp-tier-progress-bar {
    height: 100%;
    background: var(--color-primary);
    transition: width 200ms ease;
}
.mp-tier-progress-text {
    margin-bottom: var(--space-xs);
    font-size: 11px;
    color: var(--color-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mp-tier-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    margin-top: auto;
}
.mp-tier-status {
    font-size: 12px;
    font-weight: 500;
}
.mp-tier-status.is-loaded { color: var(--color-success); }
.mp-tier-status.is-cached { color: var(--color-body); }
.mp-tier-status.is-empty  { color: var(--color-muted-soft); }
.mp-tier-status.is-unavailable { color: var(--color-muted-soft); font-style: italic; }
.mp-tier-status.is-loading { color: transparent; }

.mp-tier-btn {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    font-family: var(--font-display);
    background: var(--color-surface-card);
    border: 1px solid var(--color-hairline-strong);
    border-radius: var(--radius-md);
    color: var(--color-ink);
    cursor: pointer;
    transition: background 120ms ease, border-color 120ms ease;
}
.mp-tier-btn:hover:not(:disabled) { border-color: var(--color-ink); }
.mp-tier-btn:disabled {
    color: var(--color-muted-soft);
    cursor: default;
    background: var(--color-canvas-soft);
}
.mp-tier-btn.primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-on-primary);
}
.mp-tier-btn.primary:hover:not(:disabled) {
    background: var(--color-primary-active);
    border-color: var(--color-primary-active);
}
.mp-tier-btn.primary:disabled {
    background: var(--color-canvas-soft);
    border-color: var(--color-hairline-strong);
    color: var(--color-muted-soft);
}
.mp-tier-btn.mp-tier-unload {
    background: var(--color-surface-card);
    border-color: #b91c1c;
    color: #b91c1c;
}
.mp-tier-btn.mp-tier-unload:hover:not(:disabled) {
    background: #fef2f2;
    border-color: #991b1b;
    color: #991b1b;
}

.mp-tiers-footer {
    margin-top: var(--space-base);
    text-align: center;
}
.mp-tiers-more {
    background: transparent;
    border: none;
    color: var(--color-primary);
    font-family: var(--font-display);
    font-size: 14px;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: background 120ms ease;
}
.mp-tiers-more:hover {
    background: rgba(0,0,0,0.04);
    text-decoration: underline;
}

/* Back arrow in the header when on the Custom view. */
.mp-back {
    background: transparent;
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-md);
    padding: 4px 10px;
    margin-right: auto;
    margin-left: var(--space-base);
    font-family: var(--font-display);
    font-size: 13px;
    color: var(--color-ink);
    cursor: pointer;
}
.mp-back:hover { border-color: var(--color-ink); background: var(--color-surface-strong); }

/* ─── shader-f16 unsupported banner (custom view only) ─────────────────── */
.mp-f16-banner {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px var(--space-lg);
    background: #fff4e0;
    border-bottom: 1px solid #f4d8a0;
    color: #7a5510;
    font-size: 13px;
    line-height: 1.45;
}
.mp-f16-banner-icon {
    flex: 0 0 auto;
    font-size: 16px;
    line-height: 1;
}
.mp-f16-banner code {
    background: rgba(0, 0, 0, 0.04);
    padding: 1px 5px;
    border-radius: var(--radius-sm);
    font-family: var(--sa-mono, ui-monospace, "SF Mono", monospace);
    font-size: 12px;
}

/* Faded styling for f16-blocked variants inside the Variant dropdown. */
.mp-quality-select option[data-needs-f16="true"] {
    color: var(--color-muted-soft);
    font-style: italic;
}