/**
 * Universal Theme System CSS
 * Provides consistent theming across all TradePro applications
 * Supports Light, Dark, and Blue themes
 */

/* ===== CSS VARIABLES FOR THEMES ===== */

/* Light Theme (Default) */
:root,
.theme-light {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    
    /* Background colors */
    --background-color: #ffffff;
    --surface-color: #f8f9fa;
    --card-bg: #ffffff;
    --accent-color: #e9ecef;
    
    /* Text colors */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #868e96;
    --text-light: #adb5bd;
    
    /* Border and shadow */
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    --shadow-soft: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 8px rgba(0,0,0,0.15);
    
    /* Interactive elements */
    --hover-bg: rgba(0,0,0,0.05);
    --active-bg: rgba(0,123,255,0.1);
}

/* Dark Theme */
.theme-dark {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    
    /* Background colors */
    --background-color: #1a1a1a;
    --surface-color: #2d2d2d;
    --card-bg: #343a40;
    --accent-color: #495057;
    
    /* Text colors */
    --text-primary: #f8f9fa;
    --text-secondary: #adb5bd;
    --text-muted: #6c757d;
    --text-light: #495057;
    
    /* Border and shadow */
    --border-color: #495057;
    --border-light: #343a40;
    --shadow-soft: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-hover: 0 4px 8px rgba(0,0,0,0.4);
    
    /* Interactive elements */
    --hover-bg: rgba(255,255,255,0.1);
    --active-bg: rgba(13,110,253,0.2);
}

/* Blue Theme */
.theme-blue {
    --primary-color: #0066cc;
    --secondary-color: #4a90e2;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #f39c12;
    --info-color: #3498db;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    
    /* Background colors */
    --background-color: #f4f6f9;
    --surface-color: #ffffff;
    --card-bg: #ffffff;
    --accent-color: #e8f4fd;
    
    /* Text colors */
    --text-primary: #2c3e50;
    --text-secondary: #34495e;
    --text-muted: #7f8c8d;
    --text-light: #95a5a6;
    
    /* Border and shadow */
    --border-color: #bdc3c7;
    --border-light: #ecf0f1;
    --shadow-soft: 0 2px 4px rgba(0,102,204,0.1);
    --shadow-hover: 0 4px 8px rgba(0,102,204,0.15);
    
    /* Interactive elements */
    --hover-bg: rgba(0,102,204,0.05);
    --active-bg: rgba(0,102,204,0.1);
}

/* ===== GLOBAL THEME APPLICATION ===== */

/* Body and HTML background */
html {
    background-color: var(--background-color);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

body {
    background-color: var(--background-color);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ===== SPECIFIC COMPONENT THEMING ===== */

/* Cards and surfaces */
.overview-card,
.card,
.surface {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.overview-card:hover,
.card:hover {
    background-color: var(--hover-bg);
    box-shadow: var(--shadow-hover);
}

/* Tables */
.live-data-table,
table {
    background-color: var(--surface-color);
    color: var(--text-primary);
}

.live-data-table th {
    background-color: var(--accent-color);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.live-data-table td {
    border-color: var(--border-light);
    color: var(--text-primary);
}

.live-data-table tr:hover {
    background-color: var(--hover-bg);
}

.live-data-table tr:nth-child(even) {
    background-color: var(--hover-bg);
}

/* Headers and titles */
.dashboard-header {
    background-color: var(--surface-color);
    border-color: var(--border-color);
    color: var(--text-primary);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
}

/* Buttons */
.control-btn {
    border-color: var(--border-color);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.control-btn:hover {
    background-color: var(--hover-bg);
    box-shadow: var(--shadow-hover);
}

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

.control-btn.secondary {
    background-color: var(--surface-color);
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* Form inputs */
.symbol-input,
input,
select,
textarea {
    background-color: var(--surface-color);
    color: var(--text-primary);
    border-color: var(--border-color);
    transition: all 0.3s ease;
}

.symbol-input:focus,
input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-color);
    background-color: var(--card-bg);
}

/* Status indicators */
.connection-status {
    color: var(--text-secondary);
}

.connection-status.connected {
    color: var(--success-color);
}

.connection-status.disconnected {
    color: var(--danger-color);
}

.connection-status.connecting {
    color: var(--warning-color);
}

/* API status indicator */
.api-status-indicator {
    background-color: var(--surface-color);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.api-status-indicator:hover {
    background-color: var(--accent-color);
}

.api-status-indicator.demo-mode {
    border-color: var(--warning-color);
    background-color: rgba(255, 193, 7, 0.1);
}

.api-status-indicator.real-data {
    border-color: var(--success-color);
    background-color: rgba(40, 167, 69, 0.1);
}

/* CORS info banner */
.cors-info-banner {
    background: linear-gradient(135deg, var(--warning-color), #e0a800);
    color: var(--dark-color);
    border-color: #e0a800;
}

/* Price change indicators */
.price-positive {
    color: var(--success-color);
}

.price-negative {
    color: var(--danger-color);
}

.price-neutral {
    color: var(--text-secondary);
}

/* Metrics cards */
.metric-card {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.metric-value {
    color: var(--primary-color);
}

.metric-label {
    color: var(--text-secondary);
}

/* Error notifications */
.error-notification {
    background-color: var(--danger-color);
    color: white;
}

.success-notification {
    background-color: var(--success-color);
    color: white;
}

.info-notification {
    background-color: var(--info-color);
    color: white;
}

.warning-notification {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

/* ===== SCROLLBARS ===== */
.theme-dark ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.theme-dark ::-webkit-scrollbar-track {
    background: var(--surface-color);
}

.theme-dark ::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.theme-dark ::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ===== ANIMATIONS AND TRANSITIONS ===== */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* ===== THEME-SPECIFIC OVERRIDES ===== */

/* Dark theme specific adjustments */
.theme-dark .live-dashboard {
    background-color: var(--background-color);
    color: var(--text-primary);
}

.theme-dark .dashboard-header {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
}

.theme-dark .market-overview {
    background-color: transparent;
}

/* Light theme specific adjustments */
.theme-light .live-dashboard {
    background-color: var(--background-color);
    color: var(--text-primary);
}

.theme-light .dashboard-header {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
}

/* Blue theme specific adjustments */
.theme-blue .live-dashboard {
    background-color: var(--background-color);
    color: var(--text-primary);
}

.theme-blue .dashboard-header {
    background: linear-gradient(135deg, var(--surface-color), var(--accent-color));
    border-bottom: 1px solid var(--primary-color);
}

.theme-blue .control-btn.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

/* ===== RESPONSIVE THEME ADJUSTMENTS ===== */
@media (max-width: 768px) {
    .theme-selector-wrapper {
        margin-left: 0.5rem;
    }
    
    .theme-selector-wrapper label {
        display: none;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-primary: #000000;
    }
    
    .theme-dark {
        --border-color: #ffffff;
        --text-primary: #ffffff;
    }
}