/**
 * Enhanced Universal Watchlist Styling v2.0
 * Professional CSS for advanced multi-list watchlist functionality
 * 
 * Features:
 * - Modern glassmorphism design
 * - Smooth animations and transitions
 * - Responsive layout
 * - Category-based color coding
 * - Professional hover effects
 * - Advanced modal and dialog styling
 * 
 * @author TradePro Development Team
 * @date November 23, 2025
 * @version 2.0.0 - Enhanced Multi-List Styling
 */

/* ================================
   CONTAINER & LAYOUT
   ================================ */

.enhanced-watchlist-container {
    --primary-color: #4ecdc4;
    --secondary-color: #45b7d1;
    --accent-color: #ff6b6b;
    --success-color: #96ceb4;
    --warning-color: #feca57;
    --danger-color: #ff6b6b;
    
    --bg-primary: rgba(26, 32, 44, 0.95);
    --bg-secondary: rgba(45, 55, 72, 0.9);
    --bg-tertiary: rgba(74, 85, 104, 0.8);
    
    --text-primary: #ffffff;
    --text-secondary: #cbd5e0;
    --text-muted: #a0aec0;
    
    --border-color: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.25);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 15px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

.watchlist-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 9999;
    pointer-events: none;
}

.enhanced-watchlist-container .watchlist-backdrop.active {
    opacity: 1;
    pointer-events: all;
}

.watchlist-panel {
    background: var(--bg-primary);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: var(--radius-lg);
    margin: 10px;
}

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

.panel-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.header-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.title-icon {
    font-size: 1.25rem;
}

.title-text {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.symbol-count {
    font-size: 0.9rem;
    opacity: 0.8;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.header-controls {
    display: flex;
    gap: 0.5rem;
}

.control-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.header-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.stat-label {
    opacity: 0.8;
}

.stat-value {
    font-weight: 600;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius-sm);
}

/* ================================
   NAVIGATION TABS
   ================================ */

.panel-navigation {
    display: flex;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.nav-tab {
    flex: 1;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 0.75rem 0.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.nav-tab:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-tab.active {
    color: var(--primary-color);
    background: rgba(78, 205, 196, 0.1);
}

.nav-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px 2px 0 0;
}

.tab-icon {
    font-size: 1rem;
}

.tab-text {
    font-size: 0.75rem;
    font-weight: 500;
}

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

.panel-content {
    flex: 1;
    overflow-y: auto;
    background: var(--bg-secondary);
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) transparent;
}

.panel-content::-webkit-scrollbar {
    width: 6px;
}

.panel-content::-webkit-scrollbar-track {
    background: transparent;
}

.panel-content::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

/* ================================
   SYMBOLS VIEW
   ================================ */

.symbol-management {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.add-symbol-section {
    margin-bottom: 1rem;
}

.input-group {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.symbol-input {
    flex: 1;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.symbol-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.1);
}

.add-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    white-space: nowrap;
}

.add-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.active-list-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.list-select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.search-section {
    margin-top: 1rem;
}

.search-input-group {
    display: flex;
    align-items: center;
    position: relative;
}

.search-input {
    width: 100%;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    padding-right: 2.5rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.clear-btn {
    position: absolute;
    right: 0.5rem;
    background: none;
    color: var(--text-muted);
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
}

.clear-btn:hover {
    color: var(--accent-color);
}

/* ================================
   CATEGORY TABS
   ================================ */

.category-tabs {
    display: flex;
    padding: 0.5rem 1rem;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.category-tab {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    font-size: 0.85rem;
}

.category-tab:hover {
    background: var(--bg-primary);
    border-color: var(--border-hover);
}

.category-tab.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-color: var(--primary-color);
}

.category-count {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

/* ================================
   SYMBOLS LIST
   ================================ */

.symbols-section {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.symbols-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.bulk-actions {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.bulk-btn {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.bulk-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.bulk-btn.delete-btn {
    background: var(--danger-color);
    border-color: var(--danger-color);
}

.selection-info {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.symbols-list {
    flex: 1;
    overflow-y: auto;
}

.symbol-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.symbol-item:hover {
    background: rgba(78, 205, 196, 0.05);
}

.symbol-item.selected {
    background: rgba(78, 205, 196, 0.1);
    border-color: var(--primary-color);
}

.symbol-checkbox {
    flex-shrink: 0;
}

.symbol-checkbox input {
    accent-color: var(--primary-color);
}

.symbol-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.symbol-name {
    font-weight: 600;
    color: var(--text-primary);
}

.symbol-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.symbol-actions {
    display: flex;
    gap: 0.25rem;
}

.action-btn {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.action-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ================================
   EMPTY STATE
   ================================ */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    text-align: center;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state p {
    margin: 0 0 1rem 0;
    font-size: 1rem;
}

.empty-action {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 600;
}

.empty-action:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ================================
   LISTS VIEW
   ================================ */

.lists-overview {
    padding: 1rem;
}

.lists-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.lists-header h4 {
    margin: 0;
    color: var(--text-primary);
}

.create-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.create-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.lists-grid {
    display: grid;
    gap: 1rem;
}

.list-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.list-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
}

.list-card.active {
    border-color: var(--primary-color);
    background: rgba(78, 205, 196, 0.05);
}

.list-card.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
}

.list-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.list-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.list-name {
    flex: 1;
    margin: 0;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
}

.list-actions {
    display: flex;
    gap: 0.25rem;
}

.list-info {
    margin-bottom: 0.75rem;
}

.list-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.list-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.list-symbols {
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
}

.symbols-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.symbol-tag {
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.more-indicator {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-style: italic;
}

/* ================================
   OPERATIONS VIEW
   ================================ */

.operations-section {
    padding: 1rem;
}

.operation-group {
    margin-bottom: 2rem;
}

.operation-group h4 {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.operation-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
    transition: all var(--transition-fast);
}

.operation-item:hover {
    background: var(--bg-primary);
    border-color: var(--border-hover);
}

.operation-info strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.operation-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.operation-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 600;
    white-space: nowrap;
}

.operation-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.operation-btn.warning {
    background: var(--warning-color);
}

.operation-btn.danger {
    background: var(--danger-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.stat-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    text-align: center;
    transition: all var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ================================
   SETTINGS VIEW
   ================================ */

.settings-section {
    padding: 1rem;
}

.settings-group {
    margin-bottom: 2rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
}

.settings-group h4 {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-item label {
    font-weight: 600;
    color: var(--text-primary);
    flex-shrink: 0;
    margin-right: 1rem;
}

.setting-control {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

.setting-control input,
.setting-control select {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

.setting-control input[type="checkbox"] {
    accent-color: var(--primary-color);
}

.setting-description {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: right;
}

.settings-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.settings-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.settings-btn.primary {
    background: var(--primary-color);
    color: white;
}

.settings-btn.secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.settings-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ================================
   NOTIFICATIONS
   ================================ */

.watchlist-notification {
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

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

@media (max-width: 768px) {
    .enhanced-watchlist-container {
        --sidebar-width: 100vw;
    }

    .watchlist-panel {
        margin: 0;
        border-radius: 0;
        height: 100vh;
    }

    .header-stats {
        display: none;
    }

    .lists-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .operation-item {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .setting-item {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .setting-control {
        align-items: stretch;
    }

    .setting-description {
        text-align: left;
    }

    .settings-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .category-tabs {
        flex-wrap: wrap;
    }

    .bulk-actions {
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================
   DRAG AND DROP STYLING
   ================================ */

.symbol-item[draggable="true"] {
    cursor: grab;
}

.symbol-item.dragging {
    opacity: 0.5;
    transform: rotate(2deg);
    cursor: grabbing;
}

.drop-zone-highlight {
    background: rgba(78, 205, 196, 0.1);
    border: 2px dashed var(--primary-color);
    border-radius: var(--radius-md);
}

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

.enhanced-watchlist-container button:focus,
.enhanced-watchlist-container input:focus,
.enhanced-watchlist-container select:focus {
    outline: 3px solid rgba(78, 205, 196, 0.3);
    outline-offset: 2px;
}

.enhanced-watchlist-container button:focus-visible {
    outline: 3px solid var(--primary-color);
}

/* ================================
   DARK MODE OVERRIDES
   ================================ */

@media (prefers-color-scheme: dark) {
    .enhanced-watchlist-container {
        --bg-primary: rgba(13, 17, 23, 0.95);
        --bg-secondary: rgba(22, 27, 34, 0.9);
        --bg-tertiary: rgba(33, 38, 45, 0.8);
        
        --text-primary: #f0f6fc;
        --text-secondary: #b1bac4;
        --text-muted: #8b949e;
        
        --border-color: rgba(240, 246, 252, 0.1);
        --border-hover: rgba(240, 246, 252, 0.2);
    }
}

/* ================================
   HIGH CONTRAST MODE
   ================================ */

@media (prefers-contrast: high) {
    .enhanced-watchlist-container {
        --border-color: rgba(255, 255, 255, 0.3);
        --border-hover: rgba(255, 255, 255, 0.5);
    }

    .control-btn,
    .bulk-btn,
    .action-btn {
        border: 2px solid currentColor;
    }
}

/* ================================
   REDUCED MOTION
   ================================ */

@media (prefers-reduced-motion: reduce) {
    .enhanced-watchlist-container * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ================================
   ENHANCED DROP ZONES
   ================================ */

.enhanced-drop-zone {
    position: relative;
    transition: all 0.3s ease;
}

.enhanced-drop-zone.drag-over {
    background: rgba(78, 205, 196, 0.1);
    border: 2px dashed var(--primary-color);
    border-radius: 8px;
}

.enhanced-drop-zone.drag-over .drop-zone-indicator {
    opacity: 1 !important;
}

.drop-zone-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(78, 205, 196, 0.95);
    color: white;
    padding: 12px 20px;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 600;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 10000;
    box-shadow: 0 8px 25px rgba(78, 205, 196, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ================================
   PRINT STYLES
   ================================ */

@media print {
    .enhanced-watchlist-container {
        display: none !important;
    }
}