/* Modern Design System - MotionIQ Hub */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* Root Variables - Dark Theme */
:root {
    /* Primary Colors */
    --primary-blue: #2563eb;
    --primary-dark: #1e40af;
    --accent-cyan: #06b6d4;
    --accent-green: #22c55e;
    
    /* Background Colors */
    --bg-primary: #0f1419;
    --bg-secondary: #1a1f2e;
    --bg-tertiary: #252b3b;
    --bg-gradient-primary: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    /* Border Colors */
    --border-primary: rgba(255, 255, 255, 0.1);
    --border-secondary: rgba(255, 255, 255, 0.05);
    
    /* Card & Surface */
    --card-bg: #1a1f2e;
    --surface-alt: #252b3b;
    
    /* Shadows */
    --shadow-card: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.4);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    
    /* Layout */
    --sidebar-width: 280px;
    
    /* Legacy compatibility */
    --primary-color: #2563eb;
    --secondary-color: #6c757d;
    --success-color: #22c55e;
    --info-color: #06b6d4;
    --warning-color: #fbbf24;
    --danger-color: #ef4444;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --primary: #2563eb;
    --secondary: #06b6d4;
    --background: #0f1419;
    --border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: var(--font-family);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* Card Components */
.card {
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* Button Styles */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 12px 24px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

/* Form Styles */
.form-control {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    padding: 12px 16px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

/* Navigation */
.navbar {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

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

.rounded-xl {
    border-radius: 16px;
}

/* App Layout */
.app-container {
    display: flex;
    min-height: 100vh;
    background: var(--bg-primary);
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    padding: var(--spacing-lg);
    overflow-y: auto;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--border-secondary);
}

/* Logo */
.logo {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.logo-text {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Navigation */
.nav-section {
    margin-bottom: var(--spacing-xl);
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    padding: 0 var(--spacing-md);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    margin-bottom: 4px;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    transform: translateX(2px);
}

.nav-item.active {
    background: var(--bg-gradient-primary);
    color: white;
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--spacing-xl);
    background: var(--bg-primary);
    min-height: 100vh;
}

/* Header */
.header {
    margin-bottom: var(--spacing-lg);
}

.header-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 60px 20px;
}

.hero-title {
    font-size: 42px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
}

/* Premium Cards */
.premium-card {
    background: var(--card-bg);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.premium-card:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.card-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.card-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card-grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Stat Cards */
.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: rgba(37, 99, 235, 0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 20px;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 14px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--bg-gradient-primary);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    background: var(--surface-alt);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-primary);
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease;
}

.slide-up {
    animation: slideUp 0.6s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: var(--spacing-md);
    }
    
    .card-grid-2,
    .card-grid-3,
    .card-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 32px;
    }
}

/* Loading Animation */
.spinner-border {
    color: var(--primary-color);
}

/* Alert Styles */
.alert {
    border-radius: 8px;
    border: none;
    font-weight: 500;
}