:root {
    /* Modern Color Palette */
    --primary: #6366f1;           /* Indigo - more modern than blue */
    --primary-dark: #4f46e5;      /* Darker indigo */
    --primary-light: #a5b4fc;     /* Light indigo */
    --accent: #06b6d4;            /* Cyan accent */
    --accent-2: #ec4899;          /* Pink accent */
    --success: #10b981;           /* Emerald green */
    --warning: #f59e0b;           /* Amber */
    --danger: #ef4444;            /* Red */
    
    /* Neutral Colors */
    --background: #fafafa;        /* Very light gray */
    --surface: #ffffff;           /* Pure white */
    --surface-hover: #f8fafc;     /* Light hover state */
    --text: #1e293b;              /* Slate text */
    --text-muted: #64748b;        /* Muted text */
    --border: #e2e8f0;            /* Light border */
    
    /* Component Colors */
    --navbar-bg: var(--primary);
    --navbar-text: #ffffff;
    --footer-bg: #f1f5f9;
    --footer-text: var(--text-muted);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
    min-height: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
}

body {
    background: var(--background) !important;
    color: var(--text);
    transition: var(--transition);
    min-height: 100vh;
}

.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main.container {
    flex: 1 0 auto;
    padding-top: 2rem;
    padding-bottom: 2rem;
}

/* Enhanced Navbar */
.navbar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar .navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: #ffffff !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.navbar .nav-link {
    color: #ffffff !important;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.navbar .nav-link:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

.navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    transform: translateX(-50%);
}

.navbar .nav-link:hover::after {
    width: 100%;
}

/* Enhanced Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    padding: 0.75rem 1.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
    box-shadow: var(--shadow);
}

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

.btn-outline-primary {
    color: var(--primary) !important;
    border: 2px solid var(--primary) !important;
    background: transparent !important;
}

.btn-outline-primary:hover {
    background: var(--primary) !important;
    color: white !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Enhanced Cards */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.card-body {
    padding: 1.5rem;
}

/* Enhanced Gradients */
.gradient-bg {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 50%, var(--accent-2) 100%);
    position: relative;
}

.gradient-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

/* Enhanced Dividers */
.divider {
    border: none;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--primary) 50%, transparent 100%);
    margin: 3rem auto;
    width: 80%;
    max-width: 400px;
}

/* Enhanced Footer */
.footer-section {
    background: var(--footer-bg);
    color: var(--footer-text);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
}

.footer-section a {
    color: var(--text-muted);
    transition: var(--transition);
    text-decoration: none;
}

.footer-section a:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

.footer-link {
    color: var(--footer-text) !important;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--primary) !important;
    transform: scale(1.1);
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fadein {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-slidein {
    animation: slideInLeft 0.6s ease-out forwards;
}

/* Responsive Improvements */
@media (max-width: 768px) {
    .navbar .navbar-brand {
        font-size: 1.25rem;
    }
    
    main.container {
        padding-top: 1rem;
        padding-bottom: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}