/* ===================================
   Artics Global - Dynamic Theme System
   Multiple Professional Themes for AI/ML & Cloud Solutions
   =================================== */

/* ===================================
   THEME 1: TECH BLUE (Default - Current)
   Professional dark theme with blue accents
   =================================== */
[data-theme="tech-blue"],
:root {
    /* Primary Colors */
    --primary-color: #0066ff;
    --secondary-color: #00ff88;
    --accent-color: #ff0066;
    
    /* Background Colors */
    --dark-bg: #0a0e27;
    --darker-bg: #050814;
    --card-bg: #1a1f3a;
    --card-hover: #252b4a;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --text-muted: #6b7a8f;
    
    /* Border & Dividers */
    --border-color: #2a3150;
    --divider-color: rgba(255, 255, 255, 0.1);
    
    /* Gradients */
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #0066ff 0%, #00ff88 100%);
    --gradient-3: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-hero: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #0a0e27 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 102, 255, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 102, 255, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 102, 255, 0.2);
    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.3);
    
    /* Status Colors */
    --success-color: #00ff88;
    --warning-color: #ffa500;
    --error-color: #ff4444;
    --info-color: #0066ff;
}

/* ===================================
   THEME 2: NAVY PROFESSIONAL
   Light navy blue with clean professional look
   Inspired by advance.ai - Clean, modern, professional
   =================================== */
[data-theme="navy-professional"] {
    /* Primary Colors - Deep Navy Blue */
    --primary-color: #1a3b6b;
    --secondary-color: #2563eb;
    --accent-color: #0ea5e9;
    
    /* Background Colors - Clean White/Light Gray */
    --dark-bg: #ffffff;
    --darker-bg: #f8fafc;
    --card-bg: #ffffff;
    --card-hover: #f1f5f9;
    
    /* Text Colors - High Contrast */
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    
    /* Border & Dividers */
    --border-color: #e2e8f0;
    --divider-color: rgba(26, 59, 107, 0.08);
    
    /* Gradients */
    --gradient-1: linear-gradient(135deg, #1a3b6b 0%, #2563eb 100%);
    --gradient-2: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
    --gradient-3: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    --gradient-hero: linear-gradient(135deg, #1a3b6b 0%, #2563eb 50%, #0ea5e9 100%);
    
    /* Shadows - Subtle */
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.12);
    --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.15);
    
    /* Status Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #2563eb;
}

/* ===================================
   THEME 3: OCEAN BREEZE
   Fresh blue-green theme with modern feel
   =================================== */
[data-theme="ocean-breeze"] {
    /* Primary Colors */
    --primary-color: #0891b2;
    --secondary-color: #06b6d4;
    --accent-color: #14b8a6;
    
    /* Background Colors */
    --dark-bg: #ecfeff;
    --darker-bg: #cffafe;
    --card-bg: #ffffff;
    --card-hover: #f0fdfa;
    
    /* Text Colors */
    --text-primary: #134e4a;
    --text-secondary: #0f766e;
    --text-muted: #5eead4;
    
    /* Border & Dividers */
    --border-color: #99f6e4;
    --divider-color: rgba(8, 145, 178, 0.1);
    
    /* Gradients */
    --gradient-1: linear-gradient(135deg, #0891b2 0%, #06b6d4 100%);
    --gradient-2: linear-gradient(135deg, #06b6d4 0%, #14b8a6 100%);
    --gradient-3: linear-gradient(135deg, #14b8a6 0%, #10b981 100%);
    --gradient-hero: linear-gradient(135deg, #0891b2 0%, #06b6d4 50%, #14b8a6 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(8, 145, 178, 0.1);
    --shadow-md: 0 4px 16px rgba(8, 145, 178, 0.15);
    --shadow-lg: 0 8px 32px rgba(8, 145, 178, 0.2);
    --shadow-glow: 0 0 20px rgba(6, 182, 212, 0.4);
    
    /* Status Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #06b6d4;
}

/* ===================================
   THEME 4: MIDNIGHT CLOUD
   Deep blue-purple for cloud computing focus
   =================================== */
[data-theme="midnight-cloud"] {
    /* Primary Colors */
    --primary-color: #4f46e5;
    --secondary-color: #818cf8;
    --accent-color: #a78bfa;
    
    /* Background Colors */
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --card-bg: #1e293b;
    --card-hover: #334155;
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    
    /* Border & Dividers */
    --border-color: #334155;
    --divider-color: rgba(79, 70, 229, 0.1);
    
    /* Gradients */
    --gradient-1: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --gradient-2: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);
    --gradient-3: linear-gradient(135deg, #a78bfa 0%, #c084fc 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(79, 70, 229, 0.15);
    --shadow-md: 0 4px 16px rgba(79, 70, 229, 0.2);
    --shadow-lg: 0 8px 32px rgba(79, 70, 229, 0.25);
    --shadow-glow: 0 0 20px rgba(129, 140, 248, 0.4);
    
    /* Status Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #818cf8;
}

/* ===================================
   THEME 5: AI GRADIENT
   Vibrant gradient theme for AI/ML focus
   =================================== */
[data-theme="ai-gradient"] {
    /* Primary Colors */
    --primary-color: #ec4899;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    
    /* Background Colors */
    --dark-bg: #18181b;
    --darker-bg: #09090b;
    --card-bg: #27272a;
    --card-hover: #3f3f46;
    
    /* Text Colors */
    --text-primary: #fafafa;
    --text-secondary: #d4d4d8;
    --text-muted: #71717a;
    
    /* Border & Dividers */
    --border-color: #3f3f46;
    --divider-color: rgba(236, 72, 153, 0.1);
    
    /* Gradients */
    --gradient-1: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
    --gradient-2: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
    --gradient-3: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
    --gradient-hero: linear-gradient(135deg, #ec4899 0%, #8b5cf6 50%, #06b6d4 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(236, 72, 153, 0.15);
    --shadow-md: 0 4px 16px rgba(236, 72, 153, 0.2);
    --shadow-lg: 0 8px 32px rgba(236, 72, 153, 0.25);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.4);
    
    /* Status Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #8b5cf6;
}

/* ===================================
   Theme-Specific Adjustments
   =================================== */

/* ===================================
   Navy Professional - Light Theme Adjustments
   Clean, professional styling inspired by advance.ai
   =================================== */

/* Body & Background */
[data-theme="navy-professional"] body {
    background: var(--dark-bg);
    color: var(--text-primary);
}

/* Navbar - Clean white with subtle shadow */
[data-theme="navy-professional"] .navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

[data-theme="navy-professional"] .navbar-brand {
    color: var(--primary-color);
}

/* Main Menu Links */
[data-theme="navy-professional"] .navbar-menu li a {
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
}

[data-theme="navy-professional"] .navbar-menu li a:hover {
    color: var(--primary-color);
    background: rgba(26, 59, 107, 0.05);
}

/* Dropdown Menu - Better visibility */
[data-theme="navy-professional"] .dropdown-menu {
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.15);
}

[data-theme="navy-professional"] .dropdown-menu li a {
    color: var(--text-primary);
    padding: 0.75rem 1.25rem;
}

[data-theme="navy-professional"] .dropdown-menu li a:hover {
    background: var(--card-hover);
    color: var(--primary-color);
}

/* User Dropdown */
[data-theme="navy-professional"] .user-dropdown {
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.15);
}

[data-theme="navy-professional"] .user-dropdown li a {
    color: var(--text-primary);
}

[data-theme="navy-professional"] .user-dropdown li a:hover {
    background: var(--card-hover);
    color: var(--primary-color);
}

/* User Profile Link */
[data-theme="navy-professional"] .user-profile-link {
    background: rgba(26, 59, 107, 0.08);
    border-color: rgba(26, 59, 107, 0.2);
    color: var(--primary-color);
}

[data-theme="navy-professional"] .user-profile-link:hover {
    background: rgba(26, 59, 107, 0.12);
}

/* Cards */
[data-theme="navy-professional"] .card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

[data-theme="navy-professional"] .card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Hero Section */
[data-theme="navy-professional"] .hero {
    background: var(--gradient-hero);
    color: white;
}

[data-theme="navy-professional"] .hero h1,
[data-theme="navy-professional"] .hero h2,
[data-theme="navy-professional"] .hero p {
    color: white;
}

/* Sections */
[data-theme="navy-professional"] .section {
    background: var(--dark-bg);
}

[data-theme="navy-professional"] .section:nth-child(even) {
    background: var(--darker-bg);
}

/* Buttons */
[data-theme="navy-professional"] .btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
}

[data-theme="navy-professional"] .btn-primary:hover {
    background: #153254;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 59, 107, 0.25);
}

[data-theme="navy-professional"] .btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

[data-theme="navy-professional"] .btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

/* Footer - Deep navy background */
[data-theme="navy-professional"] .footer {
    background: #0f172a;
    color: #e2e8f0;
}

[data-theme="navy-professional"] .footer h4 {
    color: #ffffff;
}

[data-theme="navy-professional"] .footer a {
    color: #cbd5e1;
}

[data-theme="navy-professional"] .footer a:hover {
    color: var(--secondary-color);
}

[data-theme="navy-professional"] .footer-bottom {
    border-top: 1px solid rgba(226, 232, 240, 0.1);
}

/* Links */
[data-theme="navy-professional"] a {
    color: var(--primary-color);
}

[data-theme="navy-professional"] a:hover {
    color: var(--secondary-color);
}

/* Headings */
[data-theme="navy-professional"] h1,
[data-theme="navy-professional"] h2,
[data-theme="navy-professional"] h3,
[data-theme="navy-professional"] h4,
[data-theme="navy-professional"] h5,
[data-theme="navy-professional"] h6 {
    color: var(--text-primary);
}

/* Form Elements */
[data-theme="navy-professional"] .form-control,
[data-theme="navy-professional"] input,
[data-theme="navy-professional"] textarea,
[data-theme="navy-professional"] select {
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

[data-theme="navy-professional"] .form-control:focus,
[data-theme="navy-professional"] input:focus,
[data-theme="navy-professional"] textarea:focus,
[data-theme="navy-professional"] select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 59, 107, 0.1);
}

/* Badges & Tags */
[data-theme="navy-professional"] .badge {
    background: var(--primary-color);
    color: white;
}

/* Tables */
[data-theme="navy-professional"] table {
    background: #ffffff;
    border: 1px solid var(--border-color);
}

[data-theme="navy-professional"] th {
    background: var(--darker-bg);
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

[data-theme="navy-professional"] td {
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

[data-theme="navy-professional"] tr:hover {
    background: var(--card-hover);
}

/* Alerts */
[data-theme="navy-professional"] .alert {
    border-left: 4px solid var(--primary-color);
    background: rgba(26, 59, 107, 0.05);
    color: var(--text-primary);
}

/* Code Blocks */
[data-theme="navy-professional"] code,
[data-theme="navy-professional"] pre {
    background: var(--darker-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

/* Scrollbar */
[data-theme="navy-professional"] ::-webkit-scrollbar-track {
    background: var(--darker-bg);
}

[data-theme="navy-professional"] ::-webkit-scrollbar-thumb {
    background: var(--primary-color);
}

[data-theme="navy-professional"] ::-webkit-scrollbar-thumb:hover {
    background: #153254;
}

/* Ocean Breeze - Light Theme Adjustments */
[data-theme="ocean-breeze"] body {
    background: var(--dark-bg);
}

[data-theme="ocean-breeze"] .navbar {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="ocean-breeze"] .navbar-menu li a {
    color: var(--text-primary);
}

[data-theme="ocean-breeze"] .hero {
    background: var(--gradient-hero);
    color: white;
}

[data-theme="ocean-breeze"] .section:nth-child(even) {
    background: var(--darker-bg);
}

[data-theme="ocean-breeze"] .footer {
    background: var(--text-primary);
    color: white;
}

/* ===================================
   Theme Transition Animation
   =================================== */
body,
.navbar,
.card,
.hero,
.section,
.footer,
.btn {
    transition: background-color 0.3s ease, 
                color 0.3s ease, 
                border-color 0.3s ease,
                box-shadow 0.3s ease;
}

/* ===================================
   Theme Switcher Button Styles
   =================================== */
.theme-switcher {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
}

.theme-switcher-btn {
    background: var(--card-bg);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 1rem;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.theme-switcher-btn:hover {
    transform: scale(1.1) rotate(180deg);
    box-shadow: var(--shadow-glow);
}

.theme-menu {
    position: absolute;
    bottom: 80px;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    min-width: 250px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.theme-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.theme-option {
    padding: 0.75rem 1rem;
    margin: 0.5rem 0;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.theme-option:hover {
    background: var(--card-hover);
    transform: translateX(5px);
}

.theme-option.active {
    border-color: var(--primary-color);
    background: rgba(var(--primary-color-rgb), 0.1);
}

.theme-preview {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    display: flex;
    overflow: hidden;
}

.theme-preview span {
    flex: 1;
    height: 100%;
}

.theme-name {
    flex: 1;
    font-weight: 500;
    color: var(--text-primary);
}

/* Theme Preview Colors */
.theme-preview.tech-blue span:nth-child(1) { background: #0066ff; }
.theme-preview.tech-blue span:nth-child(2) { background: #00ff88; }
.theme-preview.tech-blue span:nth-child(3) { background: #0a0e27; }

.theme-preview.navy-professional span:nth-child(1) { background: #1a3b6b; }
.theme-preview.navy-professional span:nth-child(2) { background: #2563eb; }
.theme-preview.navy-professional span:nth-child(3) { background: #ffffff; border: 1px solid #e2e8f0; }

.theme-preview.ocean-breeze span:nth-child(1) { background: #0891b2; }
.theme-preview.ocean-breeze span:nth-child(2) { background: #06b6d4; }
.theme-preview.ocean-breeze span:nth-child(3) { background: #ecfeff; }

.theme-preview.midnight-cloud span:nth-child(1) { background: #4f46e5; }
.theme-preview.midnight-cloud span:nth-child(2) { background: #818cf8; }
.theme-preview.midnight-cloud span:nth-child(3) { background: #0f172a; }

.theme-preview.ai-gradient span:nth-child(1) { background: #ec4899; }
.theme-preview.ai-gradient span:nth-child(2) { background: #8b5cf6; }
.theme-preview.ai-gradient span:nth-child(3) { background: #18181b; }

/* ===================================
   Responsive Theme Adjustments
   =================================== */
@media (max-width: 768px) {
    .theme-switcher {
        bottom: 1rem;
        right: 1rem;
    }
    
    .theme-switcher-btn {
        width: 50px;
        height: 50px;
    }
    
    .theme-menu {
        bottom: 70px;
        right: -50px;
        min-width: 200px;
    }
}