/* Modern Design System - Global Styles */

:root {
    /* Color Palette - Aurora Teal */
    --primary-gradient: linear-gradient(135deg, #00a8b5 0%, #0f766e 55%, #164e63 100%);
    --secondary-gradient: linear-gradient(135deg, #ff9f1c 0%, #f77f00 50%, #c05621 100%);
    --success-gradient: linear-gradient(135deg, #22c55e 0%, #15803d 100%);
    --warning-gradient: linear-gradient(135deg, #ffd166 0%, #ffb703 100%);
    --danger-gradient: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
    
    /* Solid Colors */
    --primary: #14b8a6;
    --secondary: #f59e0b;
    --success: #22c55e;
    --warning: #fbbf24;
    --danger: #ef4444;
    --dark: #07131a;
    --darker: #02060a;
    --light: #f8f9fa;
    
    /* Glass Morphism */
    --glass-bg: rgba(8, 22, 28, 0.5);
    --glass-border: rgba(138, 229, 222, 0.18);
    --glass-blur: blur(20px);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 35px rgba(20, 184, 166, 0.35);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background:
        radial-gradient(1300px 560px at 8% 8%, rgba(20, 184, 166, 0.20), transparent 60%),
        radial-gradient(900px 480px at 90% 12%, rgba(245, 158, 11, 0.18), transparent 58%),
        linear-gradient(145deg, #03090f 0%, #07131a 40%, #0a1c24 100%);
    color: var(--light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Modern Button Styles */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base), filter var(--transition-base);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.01);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    filter: saturate(1.08);
}

.btn-secondary {
    background: var(--secondary-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-3px) scale(1.01);
    box-shadow: var(--shadow-lg);
    filter: saturate(1.08);
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.glass-card:hover {
    transform: translateY(-7px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(138, 229, 222, 0.35);
}

/* Modern Input */
.modern-input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--light);
    font-size: 1rem;
    transition: all var(--transition-base);
    font-family: var(--font-primary);
}

.modern-input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.18);
}

.modern-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
    }
    50% {
        box-shadow: 0 0 40px rgba(102, 126, 234, 0.8);
    }
}

.animate-fadeIn {
    animation: fadeIn 0.6s ease-out;
}

.animate-slideIn {
    animation: slideIn 0.6s ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-glow {
    animation: glow 2s infinite;
}

/* Responsive Grid */
.responsive-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

@media (max-width: 768px) {
    .responsive-grid {
        grid-template-columns: 1fr;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-gradient);
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Particle Background */
.particle-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(20, 184, 166, 0.25);
    animation: float 20s infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    25% {
        transform: translateY(-100px) translateX(50px);
    }
    50% {
        transform: translateY(-200px) translateX(-50px);
    }
    75% {
        transform: translateY(-100px) translateX(100px);
    }
}

/* Modern Card Hover Effect */
.card-hover {
    transition: all var(--transition-base);
    position: relative;
}

.card-hover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
    border-radius: inherit;
    z-index: -1;
}

.card-hover:hover::after {
    opacity: 0.1;
}

.card-hover:hover {
    transform: translateY(-8px) scale(1.02);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #4ade80 0%, #14b8a6 50%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--primary-gradient);
    color: white;
}

/* Tooltip */
.tooltip {
    position: relative;
}

.tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 12px;
    background: var(--darker);
    color: var(--light);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    z-index: 1000;
}

.tooltip:hover::before {
    opacity: 1;
}