/* Script Writer sidebar – scripts list (collapsible) */

.script-writer-subnav {
    padding: var(--space-3) 0;
    margin-top: var(--space-2);
    border-top: 1px solid var(--color-border);
}

/* When loading, keep header (toggle + title) visible */
.script-writer-subnav.subnav-loading .subnav-header {
    display: flex;
}

/* Subtle loading state while scripts list is fetched */
.subnav-loading-state {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-3);
    color: var(--color-text-muted);
    font-size: 12px;
}

.subnav-loading-spinner,
.subnav-loading-spinner-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--color-text-muted);
}

.subnav-loading-text {
    opacity: 0.9;
}

/* Empty state when no scripts */
.subnav-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-5) var(--space-3);
    text-align: center;
    min-height: 80px;
}

.subnav-empty-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--color-gray-100);
    color: var(--color-text-muted);
}

.subnav-empty-icon i,
.subnav-empty-icon svg {
    width: 18px;
    height: 18px;
}

[data-theme='dark'] .subnav-empty-icon {
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text-muted);
}

.subnav-empty-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    line-height: 1.3;
}

.subnav-empty-subtitle {
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.4;
    max-width: 200px;
}

/* One-time entrance when list first appears (no container opacity – avoids double animation) */
.script-writer-subnav.subnav-entered .subnav-items {
    animation: subnavListEnter 0.28s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes subnavListEnter {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.subnav-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    min-height: 32px;
}

.subnav-toggle {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, background 0.2s, color 0.2s;
    border: none;
    flex-shrink: 0;
}

.subnav-toggle:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.subnav-toggle-icon {
    width: 14px;
    height: 14px;
    transition: transform 0.2s ease;
}

.script-writer-subnav.scripts-collapsed .subnav-toggle-icon {
    transform: rotate(-90deg);
}

.subnav-title {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-text-secondary);
    flex: 1;
    min-width: 0;
}

.subnav-new-btn {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.subnav-new-btn:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.subnav-new-btn svg,
.subnav-new-btn i {
    width: 14px;
    height: 14px;
    font-size: 14px;
}

.subnav-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    max-height: 21vh;
    overflow-y: auto;
    padding: var(--space-2) 0;
    transition: max-height 0.25s ease, opacity 0.2s ease, padding 0.2s ease;
}

.script-writer-subnav.scripts-collapsed .subnav-items {
    max-height: 0;
    overflow: hidden;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
}

.subnav-chat-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 10px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
    background: transparent;
    position: relative;
    border: 1px solid transparent;
    border-radius: 8px;
}

/* Active indicator removed for a cleaner gray-only design */

.subnav-chat-item:hover:not(.active),
.subnav-chat-item:focus:not(.active) {
    background: var(--color-gray-100);
    outline: none;
}

.subnav-chat-item.active {
    background: rgba(0, 0, 0, 0.06);
}

[data-theme='dark'] .subnav-chat-item:hover:not(.active),
[data-theme='dark'] .subnav-chat-item:focus:not(.active) {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme='dark'] .subnav-chat-item.active {
    background: rgba(255, 255, 255, 0.06);
}

/* Hide New Chat (+) button in subnav */
.script-writer-subnav .subnav-new-btn {
    display: none;
}

.subnav-chat-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--color-text-secondary);
    transition: all 0.2s ease;
    opacity: 0.7;
}

.subnav-chat-item:hover .subnav-chat-icon,
.subnav-chat-item:focus .subnav-chat-icon,
.subnav-chat-item.active .subnav-chat-icon {
    color: var(--color-text-primary);
    opacity: 1;
}

.subnav-chat-title {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5;
    flex: 1;
    min-width: 0;
    transition: color 0.2s;
}

.subnav-chat-item:hover .subnav-chat-title,
.subnav-chat-item:focus .subnav-chat-title,
.subnav-chat-item.active .subnav-chat-title {
    color: var(--color-text-primary);
}

.subnav-chat-delete {
    width: 22px;
    height: 22px;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    pointer-events: none;
    flex-shrink: 0;
    border: none;
}

.subnav-chat-item:hover .subnav-chat-delete {
    opacity: 0.5;
    pointer-events: auto;
}

.subnav-chat-delete:hover {
    opacity: 1 !important;
    background: rgba(var(--color-danger-rgb), 0.1);
    color: var(--color-danger);
}

.subnav-chat-delete svg,
.subnav-chat-delete i {
    width: 14px;
    height: 14px;
    font-size: 14px;
}

.subnav-chat-delete.confirm {
    opacity: 1 !important;
    pointer-events: auto;
    background: var(--color-danger);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(var(--color-danger-rgb), 0.3);
}

.subnav-chat-delete.confirm:hover {
    background: var(--color-danger-dark);
}

/* Deletion Animation */
.subnav-chat-item.deleting {
    pointer-events: none;
    animation: itemSlideOut 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes itemSlideOut {
    0% {
        opacity: 1;
        transform: translateX(0);
        max-height: 50px;
        margin-bottom: var(--space-2);
        padding: var(--space-4) var(--space-4);
    }

    100% {
        opacity: 0;
        transform: translateX(-20px);
        max-height: 0;
        margin-bottom: 0;
        padding-top: 0;
        padding-bottom: 0;
        border-width: 0;
    }
}

.sidebar.collapsed .script-writer-subnav {
    display: none !important;
    visibility: hidden;
    opacity: 0;
    height: 0;
    overflow: hidden;
    padding: 0;
    margin: 0;
}

.sidebar.collapsed .subnav-header,
.sidebar.collapsed .subnav-items,
.sidebar.collapsed .subnav-chat-item {
    display: none !important;
}

.subnav-empty {
    padding: var(--space-4) var(--space-3);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 11px;
}