/* ========================================
   YUNIVEST THEME SYSTEM
   ======================================== */

/* Default/Light Theme (Current Yunivest Blue) */
:root {
    /* Backgrounds */
    --bg-color: #f3f4f6;
    --bg-gradient: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    --card-bg: #ffffff;
    --card-border: rgba(37, 99, 235, 0.1);
    
    /* Primary Colors */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: rgba(37, 99, 235, 0.1);
    --primary-gradient: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    
    /* Accent Colors */
    --accent: #10b981;
    --accent-dark: #059669;
    --accent-light: rgba(16, 185, 129, 0.1);
    
    /* Text Colors */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    
    /* Border Colors */
    --border-color: #e5e7eb;
    --border-light: #f3f4f6;
    
    /* Navbar */
    --nav-bg: rgba(255, 255, 255, 0.95);
    --nav-border: #e5e7eb;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
}

/* Romantic Theme */
.theme-romantic {
    /* Backgrounds */
    --bg-color: #fef7f0;
    --bg-gradient: linear-gradient(135deg, #fef7f0 0%, #fde8f0 100%);
    --card-bg: rgba(255, 255, 255, 0.9);
    --card-border: rgba(236, 72, 153, 0.15);
    
    /* Primary Colors */
    --primary: #ec4899;
    --primary-dark: #db2777;
    --primary-light: rgba(236, 72, 153, 0.1);
    --primary-gradient: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
    
    /* Accent Colors */
    --accent: #f43f5e;
    --accent-dark: #e11d48;
    --accent-light: rgba(244, 63, 94, 0.1);
    
    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    /* Border Colors */
    --border-color: #fce7f3;
    --border-light: #fdf2f8;
    
    /* Navbar */
    --nav-bg: rgba(255, 255, 255, 0.9);
    --nav-border: #fce7f3;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #ec4899;
}

/* Dark Theme */
.theme-dark {
    /* Backgrounds */
    --bg-color: #0f172a;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    --card-bg: rgba(30, 41, 59, 0.8);
    --card-border: rgba(139, 92, 246, 0.2);
    
    /* Primary Colors */
    --primary: #8b5cf6;
    --primary-dark: #7c3aed;
    --primary-light: rgba(139, 92, 246, 0.15);
    --primary-gradient: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    
    /* Accent Colors */
    --accent: #a78bfa;
    --accent-dark: #8b5cf6;
    --accent-light: rgba(139, 92, 246, 0.15);
    
    /* Text Colors */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Border Colors */
    --border-color: #334155;
    --border-light: #1e293b;
    
    /* Navbar */
    --nav-bg: rgba(15, 23, 42, 0.95);
    --nav-border: #334155;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #8b5cf6;
}

/* Smooth Theme Transition */
* {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.2s ease;
}

/* Global Styles using CSS Variables */
body {
    background: var(--bg-gradient);
    color: var(--text-primary);
}

/* Card Styles */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

/* Button Styles */
.btn-primary {
    background: var(--primary);
    color: white;
    transition: all 0.3s ease;
}

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

.btn-outline {
    border: 1px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

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

/* Navbar Styles */
.navbar {
    background: var(--nav-bg);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--nav-border);
}

/* Text Colors */
.text-primary-custom {
    color: var(--primary);
}

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

/* Border Colors */
.border-custom {
    border-color: var(--border-color);
}