.fe-editor-root {
    height: 100vh;
    min-width: 0;
    display: grid;
    grid-template-rows: 56px 1fr;
    background:
        radial-gradient(
            140% 120% at 50% 0%,
            color-mix(in srgb, var(--accent-1) 8%, transparent),
            transparent 55%
        ),
        var(--bg-base);
    color: var(--text-primary);
}

.fe-editor-root button,
.fe-editor-root input,
.fe-editor-root textarea,
.fe-editor-root select {
    font: inherit;
}

.fe-editor-root button {
    border: 1px solid var(--border-default);
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    padding: 7px 11px;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
}

.fe-editor-root button:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--border-strong);
    color: var(--text-primary);
}

.fe-editor-root button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.fe-top-nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 14px;
    padding: 0 16px;
    border-bottom: 1px solid var(--border-default);
    background: color-mix(in srgb, var(--bg-surface) 92%, transparent);
}

.fe-export-feedback {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-default);
    background: color-mix(in srgb, var(--bg-surface) 88%, transparent);
}

.fe-export-feedback.is-success {
    border-top: 1px solid color-mix(in srgb, var(--status-success) 50%, transparent);
}

.fe-export-feedback.is-error {
    border-top: 1px solid color-mix(in srgb, var(--status-error) 50%, transparent);
}

.fe-export-feedback-text {
    min-width: 0;
    display: grid;
    gap: 2px;
}

.fe-export-feedback-text strong {
    font-size: 12px;
    color: var(--text-primary);
}

.fe-export-feedback-text span {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fe-export-feedback-dismiss {
    min-width: 80px;
}

.fe-export-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1200;
    background: rgba(6, 10, 18, 0.64);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.fe-export-modal-card {
    width: min(520px, 100%);
    border: 1px solid var(--border-default);
    border-radius: 14px;
    background: color-mix(in srgb, var(--bg-surface) 96%, transparent);
    box-shadow: 0 24px 46px rgba(0, 0, 0, 0.5);
    padding: 16px;
    display: grid;
    gap: 12px;
}

.fe-export-modal-card h2 {
    margin: 0;
    font-size: 20px;
    color: var(--text-primary);
}

.fe-export-modal-card p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 13px;
}

.fe-export-option-group {
    border: 1px solid var(--border-default);
    border-radius: 12px;
    background: color-mix(in srgb, var(--bg-elevated) 85%, transparent);
    overflow: hidden;
}

.fe-export-option-row {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 10px;
    align-items: flex-start;
    padding: 10px 12px;
    cursor: pointer;
}

.fe-export-option-row + .fe-export-option-row {
    border-top: 1px solid var(--border-subtle);
}

.fe-export-option-row input {
    margin-top: 3px;
}

.fe-export-option-row span {
    display: grid;
    gap: 2px;
}

.fe-export-option-row strong {
    font-size: 13px;
    color: var(--text-primary);
}

.fe-export-option-row small {
    font-size: 12px;
    color: var(--text-muted);
}

.fe-export-checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 13px;
}

.fe-export-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.fe-top-nav-left {
    min-width: 0;
}

.fe-breadcrumb {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 17px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fe-breadcrumb-link {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: inherit;
    padding: 0;
    border-radius: 0;
    line-height: 1;
}

.fe-breadcrumb-link:hover:not(:disabled) {
    color: var(--text-primary);
    background: transparent;
    border-color: transparent;
}

.fe-breadcrumb li:last-child {
    color: var(--text-primary);
    font-weight: var(--weight-medium);
}

.fe-top-nav-center {
    display: flex;
    align-items: center;
    gap: 4px;
}

.fe-top-nav-center button {
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    border-radius: 0;
    padding: 8px 8px 9px;
    border-bottom: 2px solid transparent;
    font-weight: var(--weight-semibold);
}

.fe-top-nav-center button[aria-selected="true"] {
    color: var(--text-primary);
    border-bottom-color: var(--accent-1);
}

.fe-top-nav-right {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 8px;
}

.fe-history-controls {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-right: 4px;
}

.fe-history-controls button {
    min-width: 64px;
}

.fe-share-btn {
    background: var(--accent-1);
    color: #fff;
    border-color: color-mix(in srgb, var(--accent-1) 60%, #fff 6%);
    box-shadow: var(--shadow-glow);
}

.fe-share-btn:hover:not(:disabled) {
    background: color-mix(in srgb, var(--accent-1) 88%, #fff 12%);
    color: #fff;
    border-color: color-mix(in srgb, var(--accent-1) 70%, #fff 10%);
}

.fe-workspace-grid {
    min-height: 0;
    display: grid;
    grid-template-columns: clamp(224px, 21vw, 292px) minmax(0, 1fr) clamp(260px, 24vw, 332px);
}

.fe-workspace-grid.is-step-rail-collapsed {
    grid-template-columns: 56px minmax(0, 1fr) clamp(260px, 24vw, 332px);
}

.fe-workspace-grid.is-inspector-collapsed {
    grid-template-columns: clamp(224px, 21vw, 292px) minmax(0, 1fr) 64px;
}

.fe-workspace-grid.is-step-rail-collapsed.is-inspector-collapsed {
    grid-template-columns: 56px minmax(0, 1fr) 64px;
}

.fe-left-sidebar {
    min-height: 0;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-default);
    background: color-mix(in srgb, var(--bg-surface) 94%, transparent);
}

.fe-left-sidebar.is-collapsed .fe-left-sidebar-header {
    justify-content: center;
    padding: 10px 8px;
}

.fe-left-sidebar-header {
    border-bottom: 1px solid var(--border-default);
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.fe-left-sidebar-heading {
    min-width: 0;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.fe-left-sidebar-heading span {
    font-size: 12px;
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
}

.fe-left-sidebar-heading small {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

.fe-sidebar-collapse-btn {
    width: 32px;
    height: 32px;
    min-width: 32px;
    min-height: 32px;
    border-radius: 10px;
    padding: 0;
    border-color: var(--border-default);
    background: color-mix(in srgb, var(--bg-elevated) 86%, transparent);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.fe-sidebar-collapse-btn:hover:not(:disabled) {
    color: var(--text-primary);
    border-color: color-mix(in srgb, var(--accent-1) 45%, var(--border-default));
    background: color-mix(in srgb, var(--accent-1) 14%, var(--bg-elevated));
}

.fe-left-sidebar-collapsed-body {
    flex: 1;
    min-height: 0;
    padding: 10px 8px 12px;
    display: grid;
    align-content: space-between;
    justify-items: center;
    gap: 12px;
}

.fe-sidebar-compact-action {
    width: 36px;
    height: 36px;
    min-height: 36px;
    min-width: 36px;
    border-radius: 10px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.fe-sidebar-compact-progress {
    display: grid;
    justify-items: center;
    gap: 2px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 11px;
}

.fe-sidebar-compact-progress strong {
    font-size: 13px;
    color: var(--text-primary);
}

.fe-left-sidebar-scroll {
    flex: 1;
    min-height: 0;
    overflow: auto;
    padding: 12px;
}

.fe-frame-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.fe-frame-list-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fe-frame-card {
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    background: color-mix(in srgb, var(--bg-elevated) 94%, transparent);
    box-shadow: var(--shadow-sm);
    transition:
        border-color var(--duration-normal) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-out),
        transform var(--duration-normal) var(--ease-out);
}

.fe-frame-card:hover {
    border-color: color-mix(in srgb, var(--accent-1) 50%, var(--border-strong));
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
    transform: translateY(-1px);
}

.fe-frame-card.is-selected {
    border-color: var(--accent-1);
    box-shadow: var(--shadow-glow);
}

.fe-frame-select {
    width: 100%;
    border: none;
    background: transparent;
    padding: 12px;
    display: grid;
    text-align: left;
    gap: 12px;
}

.fe-frame-select:hover {
    background: transparent;
}

.fe-frame-preview {
    min-height: 92px;
    border-radius: 10px;
    border: 1px solid var(--border-default);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(
        155deg,
        color-mix(in srgb, var(--accent-1) 24%, var(--bg-surface)),
        var(--bg-surface) 55%,
        color-mix(in srgb, var(--bg-surface) 82%, #fff 5%)
    );
    color: var(--text-secondary);
    font-size: 12px;
}

.fe-frame-preview-empty {
    width: 100%;
    min-height: 92px;
    display: grid;
    justify-items: center;
    align-content: center;
    gap: 6px;
    color: var(--text-secondary);
}

.fe-frame-preview-empty svg {
    opacity: 0.82;
}

.fe-frame-preview-empty span {
    font-weight: var(--weight-medium);
    letter-spacing: 0.01em;
}

.fe-frame-preview-empty small {
    color: var(--text-muted);
    font-size: 11px;
}

.fe-frame-meta-row {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 8px;
}

.fe-frame-badge {
    min-width: 26px;
    height: 26px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 11px;
    background: color-mix(in srgb, var(--bg-surface) 82%, transparent);
}

.fe-frame-media-type {
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 10px;
    font-weight: var(--weight-semibold);
}

.fe-frame-card-actions {
    display: flex;
    justify-content: flex-end;
    padding: 0 12px 10px;
}

.fe-frame-actions {
    position: relative;
}

.fe-frame-overflow {
    min-width: 24px;
    min-height: 24px;
    padding: 2px 0;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    place-items: center;
    list-style: none;
    user-select: none;
    font-size: 15px;
    line-height: 1;
    letter-spacing: 0.14em;
}

.fe-frame-overflow:hover {
    color: var(--text-primary);
}

.fe-frame-card details > summary::-webkit-details-marker {
    display: none;
}

.fe-frame-card details[open] > summary {
    color: var(--accent-1);
}

.fe-frame-action-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: var(--z-dropdown);
    min-width: 136px;
    display: grid;
    gap: 8px;
    padding: 10px;
    border-radius: 12px;
    border: 1px solid var(--border-strong);
    background: color-mix(in srgb, var(--bg-elevated) 95%, transparent);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
}

.fe-frame-action-item {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    min-height: 34px;
}

.fe-frame-action-item.is-danger {
    border-color: color-mix(in srgb, var(--status-error) 35%, var(--border-default));
    color: var(--status-error);
    background: color-mix(in srgb, var(--status-error-muted) 55%, var(--bg-surface));
}

.fe-frame-action-item.is-danger:hover:not(:disabled) {
    border-color: color-mix(in srgb, var(--status-error) 55%, var(--border-default));
    color: #ffd5d7;
    background: color-mix(in srgb, var(--status-error-muted) 80%, var(--bg-hover));
}

.fe-frame-duration {
    padding: 10px 12px 12px;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 12px;
    font-family: var(--font-mono);
    letter-spacing: 0.01em;
}

.fe-insert-step-btn {
    width: auto;
    min-width: 94px;
    height: 32px;
    margin: 0 auto;
    border-radius: 999px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    border: 1px dashed var(--border-strong);
    background: color-mix(in srgb, var(--bg-elevated) 90%, transparent);
    line-height: 1;
    font-weight: var(--weight-semibold);
    text-align: center;
}

.fe-insert-step-btn svg {
    display: block;
    width: 13px;
    height: 13px;
    flex: none;
}

.fe-insert-step-btn:hover:not(:disabled) {
    border-color: color-mix(in srgb, var(--accent-1) 55%, var(--border-strong));
    color: var(--text-primary);
    background: color-mix(in srgb, var(--accent-1) 16%, var(--bg-elevated));
}

.fe-insert-step-label {
    line-height: 1;
    letter-spacing: 0.01em;
}

.fe-left-sidebar-footer {
    border-top: 1px solid var(--border-default);
    padding: 12px;
}

.fe-add-step-btn {
    width: 100%;
    min-height: 42px;
    border-radius: 12px;
    font-weight: var(--weight-semibold);
}

.fe-center-column {
    min-width: 0;
    min-height: 0;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    border-right: 1px solid var(--border-default);
    background: var(--bg-base);
}

.fe-editor-toolsbar {
    min-height: 58px;
    border-bottom: 1px solid var(--border-default);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 0 12px;
    background: color-mix(in srgb, var(--bg-surface) 82%, transparent);
}

.fe-canvas-panel {
    min-height: 0;
    overflow: hidden;
    padding: 16px;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    gap: 12px;
}

.fe-canvas-topline {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
}

.fe-canvas-stage {
    min-height: 0;
    border: 1px solid var(--border-default);
    border-radius: 14px;
    background: color-mix(in srgb, var(--bg-surface) 92%, transparent);
    display: flex;
    padding: 12px;
}

.fe-canvas-title {
    margin: 0;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: var(--weight-medium);
}

.fe-canvas-tools-list {
    grid-column: 2;
    justify-self: center;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0;
    margin: 0;
}

.fe-canvas-tool {
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    line-height: 0;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.fe-canvas-tool.is-active {
    background: color-mix(in srgb, var(--accent-1) 22%, transparent);
    color: var(--text-primary);
}

.fe-canvas-tool.is-active::before {
    content: "";
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: var(--accent-1);
}

.fe-canvas-tool svg {
    display: block;
    width: 20px;
    height: 20px;
    margin: 0;
    flex: none;
    transform: translateZ(0);
}

.fe-timeline-panel {
    border-top: 1px solid var(--border-default);
    padding: 12px 16px 16px;
    display: grid;
    gap: 10px;
    background: color-mix(in srgb, var(--bg-surface) 80%, transparent);
}

.fe-timeline-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.fe-timeline-controls output {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 12px;
}

.fe-inspector {
    min-height: 0;
    overflow: hidden;
    border-right: 1px solid var(--border-default);
    background: color-mix(in srgb, var(--bg-surface) 94%, transparent);
    display: flex;
    flex-direction: column;
}

.fe-inspector-shortcuts {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px;
    border-bottom: 1px solid var(--border-default);
    background: color-mix(in srgb, var(--bg-surface) 96%, transparent);
}

.fe-inspector-collapse-btn,
.fe-inspector-shortcut {
    min-height: 34px;
    padding: 0 10px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: auto;
    font-size: 12px;
    font-weight: var(--weight-semibold);
}

.fe-inspector-collapse-btn {
    width: 34px;
    min-width: 34px;
    justify-content: center;
    padding: 0;
}

.fe-inspector-shortcut-icon {
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.fe-inspector-shortcut.is-active {
    border-color: color-mix(in srgb, var(--accent-1) 58%, var(--border-default));
    background: color-mix(in srgb, var(--accent-1) 16%, var(--bg-elevated));
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.fe-inspector-shortcut.is-share {
    margin-left: auto;
    border-color: color-mix(in srgb, var(--accent-1) 46%, var(--border-default));
}

.fe-inspector-content {
    flex: 1;
    min-height: 0;
    overflow: auto;
}

.fe-inspector.is-collapsed .fe-inspector-shortcuts {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 8px;
    height: 100%;
    border-bottom: none;
}

.fe-inspector.is-collapsed .fe-inspector-shortcut,
.fe-inspector.is-collapsed .fe-inspector-collapse-btn {
    width: 100%;
    min-width: 0;
    justify-content: center;
    padding: 0;
}

.fe-inspector.is-collapsed .fe-inspector-shortcut-label {
    display: none;
}

.fe-inspector.is-collapsed .fe-inspector-shortcut.is-share {
    margin-left: 0;
    margin-top: auto;
}

.fe-inspector-section {
    border-bottom: 1px solid var(--border-default);
}

.fe-inspector-section h2 {
    margin: 0;
}

.fe-inspector-section h2 button {
    width: 100%;
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: none;
    background: transparent;
    text-align: left;
    padding: 0 16px;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: var(--weight-medium);
}

.fe-inspector-section h2 button::after {
    content: "›";
    color: var(--text-muted);
    font-size: 18px;
    transition: transform var(--duration-normal) var(--ease-out);
}

.fe-inspector-section h2 button[aria-expanded="true"]::after {
    transform: rotate(90deg);
}

.fe-inspector-panel-body {
    padding: 0 16px 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.fe-inspector-panel-body button,
.fe-inspector-panel-body select,
.fe-inspector-panel-body input,
.fe-inspector-panel-body textarea {
    width: 100%;
}

.fe-inspector-panel-body input,
.fe-inspector-panel-body textarea,
.fe-inspector-panel-body select {
    border: 1px solid var(--border-default);
    background: var(--bg-surface);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    padding: 8px 10px;
}

.fe-inspector-panel-body label > span {
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: var(--weight-semibold);
}

.fe-inspector-panel-body textarea {
    min-height: 70px;
}

@media (max-width: 1440px) {
    .fe-workspace-grid {
        grid-template-columns: clamp(208px, 20vw, 264px) minmax(0, 1fr) clamp(236px, 24vw, 292px);
    }

    .fe-workspace-grid.is-step-rail-collapsed {
        grid-template-columns: 56px minmax(0, 1fr) clamp(236px, 24vw, 292px);
    }

    .fe-workspace-grid.is-inspector-collapsed {
        grid-template-columns: clamp(208px, 20vw, 264px) minmax(0, 1fr) 60px;
    }

    .fe-workspace-grid.is-step-rail-collapsed.is-inspector-collapsed {
        grid-template-columns: 56px minmax(0, 1fr) 60px;
    }
}

@media (max-width: 1280px) {
    .fe-workspace-grid {
        grid-template-columns: clamp(190px, 21vw, 236px) minmax(0, 1fr) clamp(214px, 26vw, 270px);
    }

    .fe-workspace-grid.is-step-rail-collapsed {
        grid-template-columns: 56px minmax(0, 1fr) clamp(214px, 26vw, 270px);
    }

    .fe-workspace-grid.is-inspector-collapsed {
        grid-template-columns: clamp(190px, 21vw, 236px) minmax(0, 1fr) 56px;
    }

    .fe-workspace-grid.is-step-rail-collapsed.is-inspector-collapsed {
        grid-template-columns: 56px minmax(0, 1fr) 56px;
    }
}

@media (max-width: 1120px) {
    .fe-workspace-grid {
        grid-template-columns: clamp(168px, 22vw, 208px) minmax(0, 1fr) clamp(190px, 30vw, 238px);
    }

    .fe-workspace-grid.is-step-rail-collapsed {
        grid-template-columns: 52px minmax(0, 1fr) clamp(190px, 30vw, 238px);
    }

    .fe-workspace-grid.is-inspector-collapsed {
        grid-template-columns: clamp(168px, 22vw, 208px) minmax(0, 1fr) 52px;
    }

    .fe-workspace-grid.is-step-rail-collapsed.is-inspector-collapsed {
        grid-template-columns: 52px minmax(0, 1fr) 52px;
    }

    .fe-left-sidebar-scroll {
        padding: 10px;
    }
}

.fe-script-layout {
    min-height: 0;
    overflow: hidden;
    background: linear-gradient(
        180deg,
        color-mix(in srgb, var(--bg-surface) 86%, transparent),
        color-mix(in srgb, var(--bg-base) 92%, transparent)
    );
}

.fe-script-scroll {
    height: 100%;
    overflow: auto;
    padding: 24px;
}

.fe-script-doc {
    width: min(900px, 100%);
    margin: 0 auto;
    display: grid;
    gap: 18px;
}

.fe-script-header {
    border: 1px solid var(--border-default);
    border-radius: 16px;
    padding: 20px;
    background: color-mix(in srgb, var(--bg-surface) 90%, transparent);
    box-shadow: var(--shadow-sm);
}

.fe-script-kicker {
    margin: 0;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.fe-script-header h2 {
    margin: 10px 0 8px;
    font-size: 32px;
    line-height: 1.05;
    letter-spacing: -0.02em;
}

.fe-script-header p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.fe-script-actions {
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.fe-script-actions button {
    width: auto;
    min-height: 36px;
    border-radius: 10px;
}

.fe-script-empty {
    border: 1px dashed var(--border-strong);
    border-radius: 14px;
    background: color-mix(in srgb, var(--bg-surface) 82%, transparent);
    padding: 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

.fe-script-chapter-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 14px;
}

.fe-script-chapter {
    border: 1px solid var(--border-default);
    border-radius: 14px;
    padding: 14px;
    display: grid;
    gap: 8px;
    background: color-mix(in srgb, var(--bg-surface) 88%, transparent);
}

.fe-script-chapter.is-selected {
    border-color: color-mix(in srgb, var(--accent-1) 55%, var(--border-default));
    box-shadow: var(--shadow-glow);
}

.fe-script-chapter-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.fe-script-chapter-jump {
    width: auto;
    min-height: 30px;
    border-radius: 999px;
    padding: 4px 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.02em;
}

.fe-script-chapter-time {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

.fe-script-frame-section {
    display: grid;
    gap: 8px;
}

.fe-script-frame-preview {
    width: 100%;
    border: 1px solid var(--border-default);
    border-radius: 12px;
    padding: 0;
    overflow: hidden;
    background: color-mix(in srgb, var(--bg-surface) 94%, transparent);
    min-height: 156px;
}

.fe-script-frame-preview:hover:not(:disabled) {
    border-color: color-mix(in srgb, var(--accent-1) 52%, var(--border-default));
    background: color-mix(in srgb, var(--accent-1) 10%, var(--bg-surface));
}

.fe-script-frame-image {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.fe-script-frame-empty {
    width: 100%;
    min-height: 156px;
    display: grid;
    align-content: center;
    justify-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 12px;
}

.fe-script-field-label {
    font-size: 12px;
    font-weight: var(--weight-semibold);
    color: var(--text-secondary);
}

.fe-script-input,
.fe-script-textarea {
    width: 100%;
    border: 1px solid var(--border-default);
    background: color-mix(in srgb, var(--bg-surface) 94%, transparent);
    border-radius: 10px;
    padding: 9px 11px;
    color: var(--text-primary);
    font-size: 14px;
}

.fe-script-textarea {
    resize: vertical;
    min-height: 84px;
    line-height: 1.45;
}

.fe-script-hotspots {
    display: grid;
    gap: 8px;
    border-top: 1px solid var(--border-subtle);
    margin-top: 6px;
    padding-top: 10px;
}

.fe-script-hotspots-title {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.fe-script-hotspot-item {
    border: 1px solid var(--border-default);
    background: color-mix(in srgb, var(--bg-elevated) 88%, transparent);
    border-radius: 10px;
    padding: 10px;
    display: grid;
    gap: 6px;
}

.fe-script-hotspot-meta {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.fe-script-hotspot-input {
    min-height: 68px;
}

.fe-script-warning {
    border: 1px solid var(--status-warning);
    background: color-mix(in srgb, var(--status-warning) 10%, transparent);
    border-radius: 8px;
    padding: 8px 10px;
    color: var(--text-secondary);
    font-size: 12px;
}