/* ============================================
   Theme System - Multiple Design Options
   ============================================ */

/* Theme 1: Light/White Theme (Original Whitish Design) */
:root[data-theme="light"] {
    /* Primary Colors */
    --color-primary: #0066FF;
    --color-primary-dark: #0052CC;
    --color-secondary: #3B82F6;
    --color-accent-green: #10B981;
    --color-accent-gold: #F59E0B;
    
    /* Neutral Colors */
    --color-dark: #1F2937;
    --color-gray: #6B7280;
    --color-light-gray: #F3F4F6;
    --color-white: #FFFFFF;
    
    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F3F4F6;
    --bg-card: #FFFFFF;
    --bg-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    
    /* Text Colors */
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: rgba(255, 255, 255, 0.9);
    
    /* Status Colors */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #3B82F6;
}

/* Theme 2: Dark/Modern Theme */
:root[data-theme="dark"] {
    /* Primary Colors */
    --color-primary: #60A5FA;
    --color-primary-dark: #3B82F6;
    --color-secondary: #818CF8;
    --color-accent-green: #34D399;
    --color-accent-gold: #FBBF24;
    
    /* Neutral Colors */
    --color-dark: #F9FAFB;
    --color-gray: #9CA3AF;
    --color-light-gray: #374151;
    --color-white: #111827;
    
    /* Background Colors */
    --bg-primary: #111827;
    --bg-secondary: #1F2937;
    --bg-card: #1F2937;
    --bg-hero: linear-gradient(135deg, #1e3a8a 0%, #7c3aed 50%, #db2777 100%);
    
    /* Text Colors */
    --text-primary: #F9FAFB;
    --text-secondary: #D1D5DB;
    --text-light: rgba(255, 255, 255, 0.9);
    
    /* Status Colors */
    --color-success: #34D399;
    --color-warning: #FBBF24;
    --color-error: #F87171;
    --color-info: #60A5FA;
}

/* Theme 3: Colorful/Modern Theme (Default - Less Whitish) */
:root:not([data-theme]),
:root[data-theme="colorful"] {
    /* Primary Colors */
    --color-primary: #6366F1;
    --color-primary-dark: #4F46E5;
    --color-secondary: #8B5CF6;
    --color-accent-green: #10B981;
    --color-accent-gold: #F59E0B;
    
    /* Neutral Colors */
    --color-dark: #1E293B;
    --color-gray: #64748B;
    --color-light-gray: #F1F5F9;
    --color-white: #FFFFFF;
    
    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-hero: linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #EC4899 100%);
    
    /* Text Colors */
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-light: rgba(255, 255, 255, 0.95);
    
    /* Status Colors */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #6366F1;
}

/* Theme 4: Professional Blue Theme */
:root[data-theme="professional"] {
    /* Primary Colors */
    --color-primary: #1E40AF;
    --color-primary-dark: #1E3A8A;
    --color-secondary: #3B82F6;
    --color-accent-green: #059669;
    --color-accent-gold: #D97706;
    
    /* Neutral Colors */
    --color-dark: #0F172A;
    --color-gray: #475569;
    --color-light-gray: #E2E8F0;
    --color-white: #FFFFFF;
    
    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F1F5F9;
    --bg-card: #FFFFFF;
    --bg-hero: linear-gradient(135deg, #1E40AF 0%, #3B82F6 50%, #60A5FA 100%);
    
    /* Text Colors */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-light: rgba(255, 255, 255, 0.95);
    
    /* Status Colors */
    --color-success: #059669;
    --color-warning: #D97706;
    --color-error: #DC2626;
    --color-info: #1E40AF;
}

/* Apply theme variables to body and components */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.section-alt {
    background-color: var(--bg-secondary);
}

.card,
.feature-card,
.service-card,
.pricing-card,
.lender-card {
    background-color: var(--bg-card);
    color: var(--text-primary);
}

.hero {
    background: var(--bg-hero);
}

/* Theme Switcher Styles */
.theme-switcher {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    background: var(--bg-card);
    border-radius: 50px;
    padding: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    gap: 8px;
    border: 2px solid var(--color-light-gray);
}

.theme-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    position: relative;
}

.theme-btn:hover {
    transform: scale(1.1);
}

.theme-btn.active {
    border: 3px solid var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.theme-btn[data-theme="light"] {
    background: linear-gradient(135deg, #ffffff 0%, #f3f4f6 100%);
    color: #1F2937;
}

.theme-btn[data-theme="dark"] {
    background: linear-gradient(135deg, #111827 0%, #1F2937 100%);
    color: #F9FAFB;
}

.theme-btn[data-theme="colorful"] {
    background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
    color: #FFFFFF;
}

.theme-btn[data-theme="professional"] {
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    color: #FFFFFF;
}

.theme-btn::after {
    content: attr(data-theme);
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
    background: var(--color-dark);
    color: var(--color-white);
    padding: 4px 8px;
    border-radius: 4px;
    pointer-events: none;
}

.theme-btn:hover::after {
    opacity: 1;
}

/* Responsive theme switcher */
@media (max-width: 767px) {
    .theme-switcher {
        bottom: 10px;
        right: 10px;
        padding: 6px;
        gap: 6px;
    }
    
    .theme-btn {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
}