/**
FileName: workspace.css
Version: 7.12.0
Purpose: Workspace layout — viewport contract, sidebar, cards, viewer,
     launcher toolbar, access gate, SVG icon handling, pagination controls,
     and readable collection dropdowns.
Decision Log:
7.12.0 NEW: Workspace mode pinned to a fixed app viewport (mirrors the
     conversation-mode pin in core.css). Sidebar and content area now
     scroll INTERNALLY instead of stretching the page. Values are the
     single tuning point for workspace height; if mode heights are ever
     centralized in core.css, move the "Viewport contract" block there.
7.12.0 FIX: app/layout chain uses flex sizing (flex:1 + min-height:0)
     instead of height:100% — same root-cause fix as core.css 7.6.6
     (percentage height inside a flex chain is unreliable).
7.12.0 NEW: .astudio-pane--workspace scrolls internally (overflow hidden
     on the pane itself, identical to the conversation pane).
7.12.0 NEW: launcher pagination controls (.astudio-workspace-load-more).
7.12.0 NEW: thin scrollbar on the workspace sidebar.
7.11.0 FIX: Collection dropdown explicit high-contrast colors per theme.
7.11.0 FIX: Access gate scoped under .a-sun-studio, CTA hardened,
     close button is an icon at the card corner.
7.11.0 NEW: SVG icon containers centered; viewer title is a flex row.
7.9.5 FIX: Dropdown option colors, sidebar toggle background, launcher header.
Dependencies: tokens.css, core.css
Owner: A-SUN Studio
*/
/* ───────────────────────────── Viewport contract (7.12.0) ─────────────────────────────
Workspace behaves like conversation mode: the shell is pinned to a fixed
viewport height and everything scrolls INSIDE the stage. Without this pin
the shell is content-driven (min-height only) and sidebar/grid stretch the
whole page — the reported "infinite height" bug.
Values mirror the conversation pin; tune HERE per workspace needs. */
.a-sun-studio[data-mode="workspace"] {
    height: calc(min(85dvh, 980px) + 100px);
    min-height: 480px;
}

.a-sun-studio[data-mode="workspace"] .astudio-stage {
    flex: 1 1 0%;
    min-height: 0;
}

/* The pane never scrolls itself; sidebar + content area do. */
.a-sun-studio .astudio-pane--workspace {
    overflow: hidden;
}

/* ───────────────────────────── Root layout ───────────────────────────── */
.a-sun-studio .astudio-workspace-app {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
}

.a-sun-studio .astudio-workspace-layout {
    display: flex;
    flex: 1 1 auto;
    min-height: 0;
    gap: 0;
}

/* ───────────────────────────── Sidebar ───────────────────────────── */
.a-sun-studio .astudio-workspace-sidebar {
    flex: 0 0 260px;
    display: flex;
    flex-direction: column;
    background: var(--astudio-surface);
    border-inline-end: 1px solid var(--astudio-border);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--astudio-border) transparent;
    transition: flex-basis 0.3s ease;
}

.a-sun-studio .astudio-workspace-sidebar.is-collapsed {
    flex-basis: 52px;
    min-width: 52px;
    max-width: 52px;
}

.a-sun-studio .astudio-workspace-sidebar.is-collapsed .astudio-workspace-sidebar-title,
.a-sun-studio .astudio-workspace-sidebar.is-collapsed .astudio-workspace-sidebar-section-title,
.a-sun-studio .astudio-workspace-sidebar.is-collapsed .astudio-workspace-sidebar-label,
.a-sun-studio .astudio-workspace-sidebar.is-collapsed .astudio-workspace-sidebar-select,
.a-sun-studio .astudio-workspace-sidebar.is-collapsed .astudio-workspace-sidebar-subcollection,
.a-sun-studio .astudio-workspace-sidebar.is-collapsed .astudio-workspace-sidebar-btn-label,
.a-sun-studio .astudio-workspace-sidebar.is-collapsed .astudio-workspace-sidebar-empty,
.a-sun-studio .astudio-workspace-sidebar.is-collapsed .astudio-workspace-badge {
    display: none !important;
}

.a-sun-studio .astudio-workspace-sidebar.is-collapsed .astudio-workspace-sidebar-header {
    justify-content: center;
    padding: 12px 6px;
}

.a-sun-studio .astudio-workspace-sidebar.is-collapsed .astudio-workspace-sidebar-toggle {
    margin-inline: auto;
}

.a-sun-studio .astudio-workspace-sidebar.is-collapsed .astudio-workspace-sidebar-btn {
    justify-content: center;
    padding: 10px 8px;
}

.a-sun-studio .astudio-workspace-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 14px;
    border-bottom: 1px solid var(--astudio-border);
    background: var(--astudio-surface-strong);
}

.a-sun-studio .astudio-workspace-sidebar-title {
    margin: 0;
    font-size: 1rem;
    color: var(--astudio-text);
    font-weight: 600;
}

.a-sun-studio .astudio-workspace-sidebar-toggle {
    background: transparent !important;
    border: 1px solid var(--astudio-border) !important;
    color: var(--astudio-text) !important;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: border-color 0.2s ease, color 0.2s ease;
    border-radius: 0 7px 0 7px;
}

.a-sun-studio .astudio-workspace-sidebar-toggle:hover,
.a-sun-studio .astudio-workspace-sidebar-toggle:focus {
    background: transparent !important;
    border-color: var(--color-primary) !important;
    color: var(--color-primary) !important;
}

.a-sun-studio .astudio-workspace-sidebar-section {
    padding: 12px 0;
}

.a-sun-studio .astudio-workspace-sidebar-section-title {
    margin: 0 14px 8px;
    font-size: 0.75rem;
    color: var(--astudio-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.a-sun-studio .astudio-workspace-sidebar-label {
    display: block;
    margin: 0 14px 6px;
    font-size: 0.75rem;
    color: var(--astudio-muted);
}

/* ───── 7.11.0 FIX: Collection dropdown — guaranteed readability ─────
Tokens were resolving to identical colors, so explicit high-contrast
values are used per theme. */
.a-sun-studio .astudio-workspace-sidebar-select {
    width: calc(100% - 28px);
    margin: 0 14px;
    background-color: #ffffff;
    border: 1px solid var(--astudio-border);
    color: #1f1f1f;
    font-family: inherit;
    font-size: 0.85rem;
    padding: 7px 8px;
    border-radius: 0 7px 0 7px;
    color-scheme: light;
}

.a-sun-studio .astudio-workspace-sidebar-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.a-sun-studio .astudio-workspace-sidebar-select option {
    background-color: #ffffff;
    color: #1f1f1f;
    padding: 8px 12px;
}

[data-theme="dark"] .a-sun-studio .astudio-workspace-sidebar-select {
    background-color: #2b2b2b;
    color: #f0f0f0;
    color-scheme: dark;
}

[data-theme="dark"] .a-sun-studio .astudio-workspace-sidebar-select option {
    background-color: #2b2b2b;
    color: #f0f0f0;
}

.a-sun-studio .astudio-workspace-sidebar-subcollection[hidden] {
    display: none !important;
}

.a-sun-studio .astudio-workspace-sidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.a-sun-studio .astudio-workspace-sidebar-item {
    margin: 0;
}

.a-sun-studio .astudio-workspace-sidebar-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 14px;
    background: transparent;
    border: none;
    color: var(--astudio-text);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.88rem;
    text-align: start;
    transition: background 0.2s ease, color 0.2s ease;
}

.a-sun-studio .astudio-workspace-sidebar-btn:hover {
    background: color-mix(in srgb, var(--color-primary) 10%, transparent);
    color: var(--color-primary);
}

.a-sun-studio .astudio-workspace-sidebar-btn.is-active {
    background: color-mix(in srgb, var(--color-primary) 14%, transparent);
    color: var(--color-primary);
    font-weight: 600;
}

.a-sun-studio .astudio-workspace-sidebar-btn-label {
    flex: 1;
}

.a-sun-studio .astudio-workspace-sidebar-empty {
    margin: 0;
    padding: 0 14px;
    color: var(--astudio-muted);
    font-size: 0.82rem;
}

/* ───── 7.11.0 NEW: Icon containers (SVG-aware) ───── */
.a-sun-studio .astudio-workspace-sidebar-icon,
.a-sun-studio .astudio-workspace-card-icon,
.a-sun-studio .astudio-workspace-viewer-icon,
.a-sun-studio .astudio-workspace-gate-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    line-height: 1;
}

.a-sun-studio .astudio-workspace-sidebar-icon svg,
.a-sun-studio .astudio-workspace-card-icon svg,
.a-sun-studio .astudio-workspace-viewer-icon svg,
.a-sun-studio .astudio-workspace-gate-icon svg {
    display: block;
}

/* font-size kept for legacy emoji icons; does not affect sized SVG */
.a-sun-studio .astudio-workspace-sidebar-icon {
    font-size: 1.1rem;
}

.a-sun-studio .astudio-workspace-card-icon {
    font-size: 1.3rem;
}

/* ───────────────────────────── Content area ───────────────────────────── */
.a-sun-studio .astudio-workspace-content-area {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--astudio-border) transparent;
    padding: 16px;
}

.a-sun-studio .astudio-workspace-content {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.a-sun-studio .astudio-workspace-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.a-sun-studio .astudio-workspace-header-text {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.a-sun-studio .astudio-workspace-title {
    margin: 0;
    font-size: 1.1rem;
    color: var(--astudio-text);
}

.a-sun-studio .astudio-workspace-subtitle {
    margin: 0;
    color: var(--astudio-muted);
    font-size: 0.88rem;
}

.a-sun-studio .astudio-workspace-launcher-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    align-self: flex-start;
}

/* ───────────────────────────── Unified icon buttons ───────────────────────────── */
.a-sun-studio .astudio-workspace-icon-btn {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: transparent;
    border: 1px solid var(--astudio-border);
    color: var(--astudio-text);
    cursor: pointer;
    border-radius: 0 7px 0 7px;
    transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, transform 0.15s ease;
    position: relative;
    flex-shrink: 0;
}

.a-sun-studio .astudio-workspace-icon-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 8%, transparent);
    transform: translateY(-1px);
}

.a-sun-studio .astudio-workspace-icon-btn:active {
    transform: translateY(0);
}

/* CSS Tooltip */
.a-sun-studio .astudio-workspace-icon-btn[data-tooltip]::after,
.a-sun-studio .astudio-workspace-pin[data-tooltip]::after,
.a-sun-studio .astudio-workspace-gate-close-icon[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    padding: 6px 10px;
    background: var(--astudio-surface-strong, #1a1a1a);
    color: var(--astudio-text);
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    border-radius: 0 7px 0 7px;
    border: 1px solid var(--astudio-border);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.a-sun-studio .astudio-workspace-icon-btn[data-tooltip]:hover::after,
.a-sun-studio .astudio-workspace-pin[data-tooltip]:hover::after,
.a-sun-studio .astudio-workspace-gate-close-icon[data-tooltip]:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ───────────────────────────── Grid & Cards ───────────────────────────── */
.a-sun-studio .astudio-workspace-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
}

.a-sun-studio .astudio-workspace-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 14px;
    border: 1px solid var(--astudio-border);
    background: var(--astudio-surface);
    border-radius: 0 7px 0 7px;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.a-sun-studio .astudio-workspace-card:hover {
    border-color: var(--color-primary);
}

.a-sun-studio .astudio-workspace-card.is-pinned {
    border-color: var(--color-accent);
    background: color-mix(in srgb, var(--color-accent) 5%, var(--astudio-surface));
}

.a-sun-studio .astudio-workspace-card h3,
.a-sun-studio .astudio-workspace-card-title {
    margin: 0;
    font-size: 0.95rem;
    color: var(--astudio-text);
}

.a-sun-studio .astudio-workspace-card-desc {
    margin: 0;
    color: var(--astudio-muted);
    font-size: 0.82rem;
    line-height: 1.6;
}

.a-sun-studio .astudio-workspace-card-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
}

.a-sun-studio .astudio-workspace-launch {
    padding: 7px 12px;
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-family: inherit;
    font-size: 0.8rem;
    cursor: pointer;
    border-radius: 0 7px 0 7px;
    transition: background 0.2s ease;
}

.a-sun-studio .astudio-workspace-launch:hover {
    background: color-mix(in srgb, var(--color-primary) 12%, transparent);
}

/* ───────────────────────────── Launcher pagination — load more (7.12.0) ───────────────────────────── */
.a-sun-studio .astudio-workspace-load-more-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 0 4px;
}

.a-sun-studio .astudio-workspace-load-more {
    padding: 9px 26px;
    background: transparent;
    border: 1px dashed var(--color-primary);
    color: var(--color-primary);
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 0 7px 0 7px;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.a-sun-studio .astudio-workspace-load-more:hover,
.a-sun-studio .astudio-workspace-load-more:focus-visible {
    background: color-mix(in srgb, var(--color-primary) 12%, transparent);
    border-style: solid;
}

.a-sun-studio .astudio-workspace-launcher-count {
    font-size: 0.75rem;
    color: var(--astudio-muted);
}

/* ───────────────────────────── Pin button on cards ───────────────────────────── */
.a-sun-studio .astudio-workspace-pin {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: transparent;
    border: 1px solid var(--astudio-border);
    color: var(--astudio-text);
    cursor: pointer;
    border-radius: 0 7px 0 7px;
    transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
    position: relative;
    flex-shrink: 0;
}

.a-sun-studio .astudio-workspace-pin:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.a-sun-studio .astudio-workspace-pin.is-pinned {
    border-color: var(--color-accent);
    background: color-mix(in srgb, var(--color-accent) 12%, transparent);
    color: var(--color-accent);
}

/* ───────────────────────────── Viewer ───────────────────────────── */
.a-sun-studio .astudio-workspace-viewer {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    border: 1px solid var(--astudio-border);
    background: var(--astudio-inset);
    border-radius: 0 7px 0 7px;
}

.a-sun-studio .astudio-workspace-viewer-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--astudio-border);
    background: var(--astudio-surface);
}

/* 7.11.0: viewer title as flex row so SVG icon aligns with text */
.a-sun-studio .astudio-workspace-viewer-title {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--astudio-text);
    font-size: 0.92rem;
}

.a-sun-studio .astudio-workspace-viewer-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.a-sun-studio .astudio-workspace-viewer-actions .astudio-workspace-icon-btn {
    width: 34px;
    height: 34px;
}

.a-sun-studio .astudio-workspace-mount {
    position: relative;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.a-sun-studio .astudio-workspace-iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: var(--astudio-inset);
}

.a-sun-studio .astudio-workspace-empty {
    padding: 18px;
    color: var(--astudio-muted);
}

/* ───────────────────────────── Access badges ───────────────────────────── */
.a-sun-studio .astudio-workspace-badge {
    display: inline-block;
    margin-inline-start: 8px;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.6;
    border-radius: 0 7px 0 7px;
    vertical-align: middle;
    color: #fff;
}

.a-sun-studio .astudio-workspace-badge--pro {
    background: var(--color-primary, #a46497);
    border: 1px solid rgba(0, 0, 0, 0.2);
}

.a-sun-studio .astudio-workspace-badge--login {
    background: var(--color-accent, #2d5c4d);
    border: 1px solid rgba(0, 0, 0, 0.2);
}

/* ───────────────────────────── Access gate overlay (7.11.0) ───────────────────────────── */
.a-sun-studio .astudio-workspace-gate {
    position: absolute;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: rgba(20, 20, 20, 0.45);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    animation: astudio-gate-fade 0.18s ease-out;
}

@keyframes astudio-gate-fade {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.a-sun-studio .astudio-workspace-gate-card {
    position: relative;
    width: 100%;
    max-width: 380px;
    padding: 34px 24px 28px;
    text-align: center;
    background: color-mix(in srgb, var(--bg-light) 82%, transparent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 0 7px 0 7px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    animation: astudio-gate-pop 0.2s ease-out;
}

[data-theme="dark"] .a-sun-studio .astudio-workspace-gate-card {
    background: color-mix(in srgb, var(--bg-dark) 85%, transparent);
    border-color: rgba(255, 255, 255, 0.12);
}

@keyframes astudio-gate-pop {
    from {
        transform: translateY(10px) scale(0.97);
        opacity: 0;
    }

    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* ── Icon close button (top corner) ── */
.a-sun-studio .astudio-workspace-gate-close-icon {
    position: absolute;
    top: 12px;
    inset-inline-end: 12px;
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: transparent;
    border: 1px solid var(--astudio-border, rgba(128, 128, 128, 0.35));
    color: var(--astudio-text, inherit);
    cursor: pointer;
    border-radius: 0 7px 0 7px;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.a-sun-studio .astudio-workspace-gate-close-icon:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}

.a-sun-studio .astudio-workspace-gate-icon {
    margin-bottom: 12px;
    color: var(--color-primary);
}

.a-sun-studio .astudio-workspace-gate-title {
    margin: 0 0 8px;
    font-size: 17px;
    color: var(--astudio-text);
}

.a-sun-studio .astudio-workspace-gate-message {
    margin: 0 0 20px;
    font-size: 13.5px;
    opacity: 0.85;
    line-height: 1.9;
    color: var(--astudio-text);
}

.a-sun-studio .astudio-workspace-gate-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Single CTA, hardened against theme button overrides ── */
.a-sun-studio .astudio-workspace-gate-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 28px;
    font-size: 14px;
    font-weight: 700;
    font-family: inherit;
    line-height: 1.6;
    color: #ffffff !important;
    background: var(--color-primary, #a46497) !important;
    border: none !important;
    border-radius: 0 7px 0 7px;
    text-decoration: none !important;
    cursor: pointer;
    box-shadow: none;
    -webkit-appearance: none;
    appearance: none;
    transition: filter 0.15s ease, transform 0.15s ease;
}

.a-sun-studio .astudio-workspace-gate-cta:hover,
.a-sun-studio .astudio-workspace-gate-cta:focus {
    filter: brightness(1.12);
    transform: translateY(-1px);
    color: #ffffff !important;
}

/* ───────────────────────────── Iframe Error State (7.13.0) ───────────────────────────── */
.a-sun-studio .astudio-workspace-iframe-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 32px;
    text-align: center;
    height: 100%;
    min-height: 200px;
    background: var(--astudio-surface);
    border-radius: 0 7px 0 7px;
}

.a-sun-studio .astudio-workspace-iframe-error-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--astudio-muted);
}

.a-sun-studio .astudio-workspace-iframe-error-message {
    margin: 0;
    color: var(--astudio-text);
    font-size: 0.95rem;
}

.a-sun-studio .astudio-workspace-iframe-error-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.a-sun-studio .astudio-workspace-retry-btn {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 0 7px 0 7px;
    transition: background 0.2s ease;
}

.a-sun-studio .astudio-workspace-retry-btn:hover {
    background: color-mix(in srgb, var(--color-primary) 12%, transparent);
}

.a-sun-studio .astudio-workspace-open-external {
    padding: 8px 16px;
    color: var(--astudio-text);
    font-size: 0.85rem;
    text-decoration: underline;
}

.a-sun-studio .astudio-workspace-open-external:hover {
    color: var(--color-primary);
}

/* ───────────────────────────── Generic Error State ───────────────────────────── */
.a-sun-studio .astudio-workspace-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px;
    text-align: center;
}

.a-sun-studio .astudio-workspace-error p {
    margin: 0;
    color: var(--astudio-text);
    font-size: 0.9rem;
}

/* ───────────────────────────── Responsive ───────────────────────────── */
@media (max-width: 720px) {
    .a-sun-studio[data-mode="workspace"] {
        height: calc(min(80dvh, 900px) + 140px);
        min-height: 420px;
    }

    .a-sun-studio .astudio-workspace-sidebar {
        flex-basis: 200px;
    }

    .a-sun-studio .astudio-workspace-sidebar.is-collapsed {
        flex-basis: 52px;
    }

    .a-sun-studio .astudio-workspace-grid {
        grid-template-columns: 1fr;
    }

    .a-sun-studio .astudio-workspace-header {
        flex-direction: column;
    }
}