@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700;800&display=swap');

:root {
    --font-primary: 'Cairo', sans-serif;
    
    /* Era Suite Sky Blue & Indigo Palette (Light Mode Default) */
    --primary-hsl: 200, 95%, 39%; /* #0284c7 */
    --primary: hsl(var(--primary-hsl));
    --primary-hover: hsl(200, 95%, 32%);
    --primary-light: hsl(200, 95%, 96%);
    --primary-glow: hsla(var(--primary-hsl), 0.2);
    
    --secondary-hsl: 243, 75%, 59%; /* #4f46e5 */
    --secondary: hsl(var(--secondary-hsl));
    
    --bg-app: #f8fafc;
    --bg-surface: #ffffff;
    --bg-sidebar: #090d16;
    --bg-header: rgba(255, 255, 255, 0.85);
    
    --border-color: #e2e8f0;
    --border-glow: hsla(var(--primary-hsl), 0.1);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-on-primary: #ffffff;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.05);
    --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.08);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Tokens Override */
[data-theme="dark"] {
    --primary-hsl: 198, 93%, 60%; /* #38bdf8 */
    --primary: hsl(var(--primary-hsl));
    --primary-hover: hsl(200, 95%, 39%);
    --primary-glow: hsla(var(--primary-hsl), 0.3);
    
    --secondary-hsl: 235, 90%, 74%; /* #818cf8 */
    --secondary: hsl(var(--secondary-hsl));

    --bg-app: #080f1d;
    --bg-surface: #0d1627;
    --bg-sidebar: #0d1627;
    --bg-header: rgba(13, 22, 39, 0.85);
    
    --border-color: #1e293b;
    --border-glow: hsla(198, 93%, 60%, 0.15);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.35);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-primary);
}

body {
    background-color: var(--bg-app);
    color: var(--text-primary);
    direction: rtl;
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition);
}

/* Glassmorphism utility */
.glass {
    background: var(--bg-header);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
}

/* Premium Card Wrapper */
.premium-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.premium-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), hsl(320, 60%, 55%));
    opacity: 0;
    transition: var(--transition);
}

.premium-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-glow);
}

.premium-card:hover::before {
    opacity: 1;
}

/* Micro-animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Scrollbar customization */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-app);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}