/* web/static/css/sandbox.css
 * Full-page sandbox at /sandbox. Colors derive from theme variables — never
 * hardcoded hex. The editor takes the left half, output takes the right half;
 * at narrow viewports they stack vertically.
 */

.sandbox {
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--topbar-height, 56px));
    min-height: 0;
    background: var(--bg-primary);
}

.sandbox__bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated, var(--bg-secondary));
    flex: 0 0 auto;
}

.sandbox__title {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.sandbox__title h1 {
    margin: 0;
    font-size: 1.05em;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-sans);
    letter-spacing: 0.01em;
}

.sandbox__version {
    font-family: var(--font-mono);
    font-size: 0.78em;
    color: var(--text-muted);
    padding: 2px 7px;
    border: 1px solid var(--border-subtle);
    border-radius: 999px;
    background: color-mix(in srgb, var(--accent) 5%, transparent);
}

.sandbox__actions {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

/* Thin vertical rule between action groups so the back/posture
   controls read as a separate cluster from the run/test/share
   actions, without dropping a heavyweight divider. */
.sandbox__actions-sep {
    display: inline-block;
    width: 1px;
    height: 18px;
    background: var(--border);
    margin: 0 4px;
}

.sandbox__btn img {
    width: 14px;
    height: 14px;
    margin-right: 4px;
    vertical-align: -2px;
    opacity: 0.85;
}

.sandbox__btn {
    font: inherit;
    font-family: var(--font-sans);
    font-size: 0.88em;
    padding: 5px 12px;
    border-radius: var(--radius-sm, 4px);
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-primary);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
}

.sandbox__btn:hover {
    border-color: var(--accent);
}

.sandbox__btn--primary {
    background: var(--accent);
    color: var(--text-on-accent, var(--bg-primary));
    border-color: var(--accent);
}

.sandbox__btn--primary:hover {
    filter: brightness(1.08);
}

.sandbox__btn--ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-subtle);
}

.sandbox__btn--ghost:hover {
    color: var(--text-primary);
}

.sandbox__main {
    flex: 1 1 0%;
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.sandbox__editor {
    border-right: 1px solid var(--border);
    overflow: hidden;
    min-height: 0;
    background: var(--bg-primary);
}

.sandbox__editor .cm-editor {
    height: 100%;
}

.sandbox__io {
    display: flex;
    flex-direction: column;
    min-height: 0;
    background: var(--bg-secondary);
}

.sandbox__output {
    margin: 0;
    padding: 14px 18px;
    overflow: auto;
    font-family: var(--font-mono);
    font-size: 0.88em;
    line-height: 1.55;
    color: var(--text-primary);
    background: var(--bg-secondary);
    white-space: pre-wrap;
    word-break: break-word;
    min-height: 0;
    flex: 1 1 auto;
}

.sandbox__input-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 18px;
    background: var(--bg-elevated);
    border: none;
    border-bottom: 1px solid var(--border-subtle);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    cursor: pointer;
    flex-shrink: 0;
    text-align: left;
}
.sandbox__input-bar:hover { color: var(--text-secondary); }
.sandbox__input-bar-label {
    color: var(--text-secondary);
    font-weight: 500;
}
.sandbox__input-bar-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid color-mix(in srgb, var(--text-muted) 50%, transparent);
    flex-shrink: 0;
}
.sandbox__input-bar-dot.is-on {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 25%, transparent);
}
.sandbox__input-bar-hint {
    flex: 1;
    text-transform: none;
    letter-spacing: 0;
    color: var(--text-muted);
    font-size: 0.74rem;
}
.sandbox__input-bar-chevron {
    width: 12px;
    height: 12px;
    transition: transform 120ms ease;
    filter: var(--icon-filter);
    opacity: 0.7;
}
.sandbox__input-bar[aria-expanded="true"] .sandbox__input-bar-chevron {
    transform: rotate(180deg);
}

.sandbox__input {
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 10px 18px;
    margin: 0;
    border: none;
    border-bottom: 1px solid var(--border-subtle);
    outline: none;
    resize: vertical;
    min-height: 48px;
    max-height: 220px;
    height: 90px;
    font-family: var(--font-mono);
    font-size: 0.84rem;
    line-height: 1.45;
    flex-shrink: 0;
    width: 100%;
    box-sizing: border-box;
}
.sandbox__input::placeholder {
    color: var(--text-muted);
    font-style: italic;
}
.sandbox__input:focus {
    background: color-mix(in srgb, var(--bg-primary) 80%, var(--bg-elevated));
}
.sandbox__input[hidden] {
    display: none !important;
}

.sandbox__footer {
    flex: 0 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 6px 18px;
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-elevated, var(--bg-secondary));
    font-size: 0.8em;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    min-height: 1.6em;
    align-items: center;
}

.sandbox__status {
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

.sandbox__hint {
    color: var(--text-muted);
    text-align: right;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1 1 auto;
}

.sandbox__hint--warn {
    color: color-mix(in srgb, var(--warn, var(--accent)) 90%, var(--text-primary));
}

@media (max-width: 900px) {
    .sandbox__main {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 1fr;
    }
    .sandbox__editor {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
}

/* ── Theme-aware thin scrollbars (replaces native chrome) ─────────────── */

.sandbox,
.sandbox * {
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--text-muted) 35%, transparent) transparent;
}

.sandbox ::-webkit-scrollbar,
.sandbox::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
.sandbox ::-webkit-scrollbar-track,
.sandbox::-webkit-scrollbar-track {
    background: transparent;
}
.sandbox ::-webkit-scrollbar-thumb,
.sandbox::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--text-muted) 35%, transparent);
    border-radius: 4px;
    border: 1px solid transparent;
    background-clip: padding-box;
}
.sandbox ::-webkit-scrollbar-thumb:hover,
.sandbox::-webkit-scrollbar-thumb:hover {
    background: color-mix(in srgb, var(--text-muted) 65%, transparent);
    background-clip: padding-box;
}
.sandbox ::-webkit-scrollbar-corner,
.sandbox::-webkit-scrollbar-corner {
    background: transparent;
}

/* ── Popout linked-to badge (shown in the standalone /sandbox window) ─── */

.sandbox__popout-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--border));
    border-radius: 12px;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--accent);
}
.sandbox__popout-link img {
    width: 11px; height: 11px;
    filter: var(--icon-filter);
    opacity: 0.85;
}