/* ============================================
   LISTS MANAGEMENT PAGE
   ============================================

   Professional UI for managing task lists
   Simple list view (not DataGrid) for creating and editing
   list definitions that appear in the sidebar

   ============================================ */

/* ============================================================================
   BASE LAYOUT
   ============================================================================ */

.lists-management {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    padding: var(--spacing-xl) var(--spacing-xl);
    gap: var(--spacing-lg);
    background: var(--color-bg);
    box-sizing: border-box;
    overflow: hidden;
    max-width: 1400px;
    margin: 0 auto;
}

/* ============================================================================
   HEADER
   ============================================================================ */

.lists-management__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.lists-management__header-left {
    flex: 1;
    min-width: 300px;
}

.lists-management__header-right {
    flex-shrink: 0;
}

.lists-management__title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 8px 0;
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.lists-management__title-icon {
    color: var(--color-primary);
    font-size: 24px;
}

.lists-management__subtitle {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.lists-management__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-card-bg);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lists-management__btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.lists-management__btn:active {
    transform: translateY(0);
}

.lists-management__btn--primary {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.lists-management__btn--primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.lists-management__btn i {
    font-size: 14px;
}

/* ============================================================================
   SEARCH BAR
   ============================================================================ */

.lists-management__search {
    position: relative;
    display: flex;
    align-items: center;
    max-width: 500px;
}

.lists-management__search-icon {
    position: absolute;
    left: 14px;
    color: var(--color-text-muted);
    font-size: 15px;
    pointer-events: none;
    z-index: 1;
}

.lists-management__search-input {
    width: 100%;
    padding: 12px 14px 12px 42px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-input-bg);
    color: var(--color-input-text);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.lists-management__search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.lists-management__search-input::placeholder {
    color: var(--color-text-muted);
}

/* ============================================================================
   CONTENT AREA
   ============================================================================ */

.lists-management__content {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Custom scrollbar */
.lists-management__content::-webkit-scrollbar {
    width: 10px;
}

.lists-management__content::-webkit-scrollbar-track {
    background: var(--color-surface);
    border-radius: var(--radius-sm);
}

.lists-management__content::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-sm);
    border: 2px solid var(--color-surface);
}

.lists-management__content::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* ============================================================================
   LIST CONTAINER
   ============================================================================ */

.lists-management__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* ============================================================================
   LIST ITEMS
   ============================================================================ */

.lists-management__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.lists-management__item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}

/* List icon */
.lists-management__item-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    font-size: 20px;
    transition: all var(--transition-fast);
}

.lists-management__item:hover .lists-management__item-icon {
    transform: scale(1.05);
}

/* Content area */
.lists-management__item-content {
    flex: 1;
    min-width: 0;
}

.lists-management__item-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: 6px;
}

.lists-management__item-title {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.3;
}

.lists-management__item-badges {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.lists-management__badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
    white-space: nowrap;
}

.lists-management__badge i {
    font-size: 11px;
}

.lists-management__badge--tabs {
    background: var(--color-info-bg);
    color: var(--color-info);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.lists-management__badge--private {
    background: var(--color-surface);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.lists-management__badge--public {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.lists-management__badge--shared {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Description */
.lists-management__item-description {
    margin: 0 0 8px 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

/* Metadata */
.lists-management__item-meta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.lists-management__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
}

.lists-management__meta-item i {
    font-size: 11px;
}

/* ============================================================================
   ACTION BUTTONS
   ============================================================================ */

.lists-management__item-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.lists-management__action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-card-bg);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 14px;
}

.lists-management__action-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.lists-management__action-btn:active {
    transform: scale(1.05);
}

/* Pin button */
.lists-management__action-btn--pin:hover {
    background: var(--color-warning);
    color: white;
    border-color: var(--color-warning);
}

/* Pinned button (active state) */
.lists-management__action-btn--pinned {
    background: var(--color-warning);
    color: white;
    border-color: var(--color-warning);
}

.lists-management__action-btn--pinned:hover {
    background: var(--color-text-muted);
    border-color: var(--color-text-muted);
}

/* View button */
.lists-management__action-btn--view:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Edit button */
.lists-management__action-btn--edit:hover {
    background: var(--color-info);
    color: white;
    border-color: var(--color-info);
}

/* Delete button */
.lists-management__action-btn--delete:hover {
    background: var(--color-danger);
    color: white;
    border-color: var(--color-danger);
}

/* ============================================================================
   EMPTY STATES
   ============================================================================ */

.lists-management__empty,
.lists-management__loading,
.lists-management__error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    padding: var(--spacing-2xl);
    text-align: center;
}

.lists-management__empty i,
.lists-management__error i {
    font-size: 72px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.4;
}

.lists-management__empty i {
    color: var(--color-border);
}

.lists-management__error i {
    color: var(--color-danger);
}

.lists-management__empty h3,
.lists-management__error h3 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
}

.lists-management__empty p,
.lists-management__error p {
    margin: 0 0 var(--spacing-lg) 0;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    max-width: 400px;
}

.lists-management__loading p {
    margin-top: var(--spacing-lg);
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 1024px) {
    .lists-management {
        padding: var(--spacing-lg);
    }

    .lists-management__item {
        flex-wrap: wrap;
    }

    .lists-management__item-actions {
        width: 100%;
        justify-content: flex-end;
    }
}

@media (max-width: 768px) {
    .lists-management {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }

    .lists-management__header {
        flex-direction: column;
        align-items: stretch;
    }

    .lists-management__header-left {
        min-width: 0;
    }

    .lists-management__header-right {
        width: 100%;
    }

    .lists-management__btn {
        width: 100%;
        justify-content: center;
    }

    .lists-management__title {
        font-size: 20px;
    }

    .lists-management__item {
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .lists-management__item-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .lists-management__item-header {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .lists-management__item-badges {
        justify-content: flex-start;
    }

    .lists-management__item-actions {
        justify-content: center;
    }
}

/* ============================================================================
   THEME SPECIFIC ADJUSTMENTS
   ============================================================================ */

/* Dark Theme */
[data-theme="dark"] .lists-management__item {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .lists-management__item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Cyber Theme */
[data-theme="cyber"] .lists-management__btn--primary {
    box-shadow: 0 0 12px rgba(0, 217, 255, 0.25);
}

[data-theme="cyber"] .lists-management__btn--primary:hover {
    box-shadow: 0 0 18px rgba(0, 217, 255, 0.4);
}

[data-theme="cyber"] .lists-management__item:hover .lists-management__item-icon {
    box-shadow: 0 0 16px rgba(0, 217, 255, 0.3);
}

/* ============================================================================
   ACCESSIBILITY
   ============================================================================ */

/* Focus states */
.lists-management__btn:focus-visible,
.lists-management__action-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.lists-management__search-input:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.25);
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .lists-management__item {
        border-width: 2px;
    }

    .lists-management__badge {
        border-width: 2px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .lists-management__item,
    .lists-management__btn,
    .lists-management__action-btn,
    .lists-management__search-input,
    .lists-management__item-icon {
        transition: none;
    }
}

/* ============================================================================
   LOADING SPINNER
   ============================================================================ */

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}