/* ============================================
   Capital CST Academy - Unified Design System
   Modern, Responsive, RTL-Ready Design
   ============================================ */

/* CSS Variables - Theme Configuration */
:root {
    /* Primary Colors - Green Theme */
    --primary: #4CAF50;
    --primary-dark: #388E3C;
    --primary-light: #81C784;
    --primary-rgb: 76, 175, 80;
    
    /* Secondary Colors */
    --secondary: #66BB6A;
    --accent: #A5D6A7;
    
    /* Status Colors */
    --success: #27ae60;
    --danger: #e74c3c;
    --warning: #f39c12;
    --info: #3498db;
    
    /* Neutral Colors */
    --dark: #2c3e50;
    --dark-light: #34495e;
    --light: #f8f9fa;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-hero: linear-gradient(135deg, #66BB6A 0%, #4CAF50 100%);
    --gradient-dark: linear-gradient(180deg, #1e3c72 0%, #2a5298 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
    --shadow-primary: 0 4px 15px rgba(var(--primary-rgb), 0.25);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-bounce: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Typography */
    --font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

/* Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--gray-100);
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background-color: var(--primary);
    color: var(--white);
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--gray-200); border-radius: 4px; }
::-webkit-scrollbar-thumb { background: var(--gray-400); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-500); }

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p { margin-bottom: var(--spacing-md); color: var(--gray-600); }

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-normal);
}
a:hover { color: var(--primary-dark); }


/* ============================================
   Unified Button System
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition-bounce);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before { left: 100%; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-primary);
}
.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.35);
    color: var(--white);
}

.btn-secondary {
    background: var(--gray-600);
    color: var(--white);
}
.btn-secondary:hover { background: var(--gray-700); color: var(--white); }

.btn-success {
    background: linear-gradient(135deg, var(--success), #58d68d);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.25);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #ec7063);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.25);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #f8c471);
    color: var(--dark);
}

.btn-info {
    background: linear-gradient(135deg, var(--info), #5dade2);
    color: var(--white);
}

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

.btn-lg { padding: 18px 36px; font-size: 1.1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-icon { width: 44px; height: 44px; padding: 0; border-radius: var(--radius-md); }


/* ============================================
   Unified Form System
   ============================================ */
.form-group { margin-bottom: var(--spacing-lg); }

.form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}
.form-label i { color: var(--primary); }

.form-control {
    width: 100%;
    padding: 16px 20px;
    font-size: 1rem;
    font-weight: 500;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    background-color: var(--white);
    color: var(--dark);
    transition: var(--transition-bounce);
    outline: none;
}

.form-control::placeholder { color: var(--gray-500); font-weight: 400; }
.form-control:hover { border-color: var(--gray-400); }
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.1);
}
.form-control.is-invalid { border-color: var(--danger); }
.form-control.is-valid { border-color: var(--success); }

.input-wrapper { position: relative; }

.invalid-feedback {
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
    display: block;
}

/* Form Check */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.form-check-input {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-400);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-normal);
}
.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}
.form-check-label { cursor: pointer; font-size: 0.95rem; color: var(--gray-700); }

/* Password Toggle */
.password-toggle {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: var(--spacing-sm);
    transition: var(--transition-normal);
}
.password-toggle:hover { color: var(--primary); }


/* ============================================
   Unified Card System
   ============================================ */
.card {
    background: var(--white);
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-bounce);
    overflow: hidden;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-lg);
    border-bottom: none;
}

.card-body { padding: var(--spacing-xl); }

.card-footer {
    background: var(--gray-100);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

/* Stat Cards */
.stat-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    transition: var(--transition-bounce);
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}
.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-card.primary::before { background: var(--gradient-primary); }
.stat-card.secondary::before { background: linear-gradient(90deg, var(--info), #5dade2); }
.stat-card.success::before { background: linear-gradient(90deg, var(--success), #58d68d); }
.stat-card.warning::before { background: linear-gradient(90deg, var(--warning), #f8c471); }
.stat-card.danger::before { background: linear-gradient(90deg, var(--danger), #ec7063); }

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
}

.stat-card.primary .stat-icon { background: rgba(var(--primary-rgb), 0.15); color: var(--primary); }
.stat-card.secondary .stat-icon { background: rgba(52, 152, 219, 0.15); color: var(--info); }
.stat-card.success .stat-icon { background: rgba(39, 174, 96, 0.15); color: var(--success); }
.stat-card.warning .stat-icon { background: rgba(243, 156, 18, 0.15); color: var(--warning); }
.stat-card.danger .stat-icon { background: rgba(231, 76, 60, 0.15); color: var(--danger); }

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}
.stat-label { color: var(--gray-600); font-size: 0.95rem; }


/* ============================================
   Unified Table System
   ============================================ */
.table-container {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: visible; /* Changed from hidden to visible to show dropdown menus */
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 2px solid var(--gray-200);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.table-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
.table-title i { color: var(--primary); }

.data-table { width: 100%; border-collapse: collapse; }
.data-table thead { background: var(--gradient-dark); }
.data-table th {
    color: var(--white);
    padding: 15px;
    text-align: right;
    font-weight: 600;
    font-size: 0.9rem;
}
.data-table td {
    padding: 15px;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.9rem;
}
.data-table tbody tr { transition: var(--transition-normal); }
.data-table tbody tr:hover { background: rgba(var(--primary-rgb), 0.05); }
.data-table tbody tr:last-child td { border-bottom: none; }

.search-box {
    padding: 12px 20px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 300px;
    font-size: 1rem;
    transition: var(--transition-bounce);
    background: var(--white);
}
.search-box:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.1);
}


/* ============================================
   Unified Alert System
   ============================================ */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideIn 0.3s ease-out;
}

.alert-success {
    background: linear-gradient(135deg, rgba(39, 174, 96, 0.1), rgba(39, 174, 96, 0.05));
    border-right: 4px solid var(--success);
    color: #155724;
}
.alert-danger {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1), rgba(231, 76, 60, 0.05));
    border-right: 4px solid var(--danger);
    color: #721c24;
}
.alert-warning {
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.1), rgba(243, 156, 18, 0.05));
    border-right: 4px solid var(--warning);
    color: #856404;
}
.alert-info {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(52, 152, 219, 0.05));
    border-right: 4px solid var(--info);
    color: #0c5460;
}
.alert i { font-size: 1.2rem; }

/* ============================================
   Unified Navigation
   ============================================ */
.navbar {
    background: var(--white) !important;
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 200;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--dark) !important;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition-normal);
}
.navbar-brand:hover { color: var(--primary) !important; }

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--white);
    box-shadow: var(--shadow-primary);
}

.navbar-nav .nav-link {
    color: var(--dark) !important;
    font-weight: 600;
    margin: 0 2px;
    border-radius: var(--radius-sm);
    padding: 10px 16px !important;
    transition: var(--transition-bounce);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
.navbar-nav .nav-link:hover {
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary) !important;
}
.navbar-nav .nav-link.active {
    background: rgba(var(--primary-rgb), 0.15);
    color: var(--primary) !important;
}

.navbar-toggler {
    border: 2px solid var(--primary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
}
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%234CAF50' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}


/* ============================================
   Unified Footer
   ============================================ */
.footer {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-lg) 0;
    margin-top: auto;
}
.footer a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition-normal);
    padding: 2px 6px;
    border-radius: 4px;
}
.footer a:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}
.footer h6 {
    color: var(--white);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}
.footer hr {
    border-color: rgba(255, 255, 255, 0.3);
    margin: var(--spacing-md) 0;
}

/* ============================================
   Unified Auth Pages (Login/Register/ChangePassword)
   ============================================ */
.auth-page {
    min-height: 100vh;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    position: relative;
}
.auth-page::before {
    content: '';
    position: fixed;
    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="25" cy="25" r="1" fill="white" opacity="0.03"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
    z-index: 1;
}

.auth-card {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    max-width: 1000px;
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 2;
    animation: fadeInUp 0.6s ease-out;
}

.auth-sidebar {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 50px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.auth-sidebar::before {
    content: '';
    position: absolute;
    top: -50%; right: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

.auth-icon {
    font-size: 3.5rem;
    margin-bottom: 25px;
    color: var(--white);
    animation: pulse 2s ease-in-out infinite;
    position: relative;
    z-index: 1;
}

.auth-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
    color: var(--white);
}

.auth-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    line-height: 1.6;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
    color: var(--white);
}

.auth-content { padding: 50px 40px; }

.auth-header {
    text-align: center;
    margin-bottom: 35px;
}
.auth-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}
.auth-header p {
    color: var(--gray-600);
    font-size: 1rem;
}


/* Auth Form Inputs */
.auth-input {
    width: 100%;
    padding: 18px 24px;
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition-bounce);
    background: linear-gradient(var(--white), var(--white)) padding-box,
                var(--gradient-primary) border-box;
    outline: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}
.auth-input::placeholder { color: var(--gray-500); font-weight: 400; }
.auth-input:focus {
    box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.15);
    transform: translateY(-2px);
}
.auth-input:hover {
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.1);
}

.auth-btn {
    width: 100%;
    padding: 18px 30px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-xl);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-primary);
}
.auth-btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}
.auth-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(var(--primary-rgb), 0.3);
}
.auth-btn:hover::before { left: 100%; }

.auth-link {
    text-align: center;
    margin-top: 20px;
}
.auth-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    background: rgba(var(--primary-rgb), 0.05);
}
.auth-link a:hover {
    background: rgba(var(--primary-rgb), 0.15);
    transform: translateY(-2px);
}

.auth-footer {
    text-align: center;
    margin-top: 30px;
}
.auth-footer small {
    color: var(--gray-600);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.auth-footer small i { color: var(--primary); }

/* Feature List in Auth Sidebar */
.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
    z-index: 1;
}
.feature-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    font-size: 0.95rem;
    transition: transform 0.3s ease;
    color: var(--white);
}
.feature-list li:hover { transform: translateX(5px); }
.feature-list li i {
    margin-left: 12px;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}
.feature-list li:hover i { transform: scale(1.2); }


/* ============================================
   Unified Dashboard Styles
   ============================================ */
.dashboard-page {
    background: var(--gradient-hero);
    min-height: 100vh;
    padding: 20px;
}

.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
    animation: fadeInUp 0.6s ease-out;
}

.dashboard-header {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}
.dashboard-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 5px;
    background: var(--gradient-primary);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-avatar {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--white);
    font-weight: 700;
    box-shadow: var(--shadow-primary);
}

.user-details h1 {
    font-size: 1.6rem;
    color: var(--dark);
    margin-bottom: 5px;
}
.user-details p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin: 0;
}

.header-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

/* Info Cards */
.info-card {
    background: var(--white);
    padding: 25px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
}
.info-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
}
.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.info-card.primary::before { background: var(--primary); }
.info-card.secondary::before { background: var(--info); }
.info-card.success::before { background: var(--success); }
.info-card.warning::before { background: var(--warning); }
.info-card.danger::before { background: var(--danger); }

.info-card-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.info-card.primary .info-card-icon { background: rgba(var(--primary-rgb), 0.15); color: var(--primary); }
.info-card.secondary .info-card-icon { background: rgba(52, 152, 219, 0.15); color: var(--info); }
.info-card.success .info-card-icon { background: rgba(39, 174, 96, 0.15); color: var(--success); }
.info-card.warning .info-card-icon { background: rgba(243, 156, 18, 0.15); color: var(--warning); }
.info-card.danger .info-card-icon { background: rgba(231, 76, 60, 0.15); color: var(--danger); }

.info-card-title {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 8px;
}
.info-card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}


/* ============================================
   Unified Sidebar (Admin Dashboard)
   ============================================ */
.sidebar {
    position: fixed;
    right: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: var(--gradient-dark);
    transition: var(--transition-bounce);
    z-index: 1000;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.3);
}
.sidebar.collapsed { width: 80px; }

.sidebar-header {
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 15px;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    flex-shrink: 0;
}

.sidebar-title {
    color: var(--white);
    font-size: 1.3rem;
    font-weight: 700;
    white-space: nowrap;
    transition: var(--transition-normal);
}
.sidebar.collapsed .sidebar-title { opacity: 0; width: 0; }

.sidebar-menu { padding: 20px 0; }

.menu-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-normal);
    gap: 15px;
    cursor: pointer;
}
.menu-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}
.menu-item.active {
    background: linear-gradient(90deg, rgba(var(--primary-rgb), 0.2), transparent);
    color: var(--white);
    border-right: 4px solid var(--primary);
}
.menu-item i {
    font-size: 1.3rem;
    width: 40px;
    text-align: center;
    flex-shrink: 0;
}
.menu-item span {
    font-weight: 500;
    white-space: nowrap;
    transition: var(--transition-normal);
}
.sidebar.collapsed .menu-item span { opacity: 0; width: 0; }

.menu-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 15px 20px;
}

/* Admin Header */
.admin-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 280px;
    height: 70px;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 999;
    transition: right 0.3s;
}
.sidebar.collapsed ~ .admin-header { right: 80px; }

.admin-main {
    margin-right: 280px;
    margin-top: 70px;
    padding: 30px;
    min-height: calc(100vh - 70px);
    transition: margin-right 0.3s;
}
.sidebar.collapsed ~ .admin-main { margin-right: 80px; }

.toggle-btn {
    width: 45px;
    height: 45px;
    border: none;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition-bounce);
    box-shadow: var(--shadow-primary);
}
.toggle-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.4);
}


/* ============================================
   Unified Animations
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Animation Classes */
.fade-in { animation: fadeIn 0.5s ease-out; }
.fade-in-up { animation: fadeInUp 0.5s ease-out; }
.pulse { animation: pulse 2s ease-in-out infinite; }
.shake { animation: shake 0.5s ease-in-out; }

/* Loading Spinner */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-300);
    border-top-color: var(--primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-primary { color: var(--primary) !important; }
.text-secondary { color: var(--info) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-muted { color: var(--gray-600) !important; }

.bg-primary { background: var(--gradient-primary) !important; }
.bg-success { background: linear-gradient(135deg, var(--success), #58d68d) !important; }
.bg-danger { background: linear-gradient(135deg, var(--danger), #ec7063) !important; }

.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded-md { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

/* Gap Utilities */
.gap-1 { gap: var(--spacing-xs) !important; }
.gap-2 { gap: var(--spacing-sm) !important; }
.gap-3 { gap: var(--spacing-md) !important; }
.gap-4 { gap: var(--spacing-lg) !important; }
.gap-5 { gap: var(--spacing-xl) !important; }


/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1200px) {
    .container { max-width: 100%; padding: 0 20px; }
}

@media (max-width: 992px) {
    h1 { font-size: 1.875rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .sidebar { transform: translateX(100%); }
    .sidebar.active { transform: translateX(0); }
    
    .admin-header { right: 0; padding: 0 15px; }
    .admin-main { margin-right: 0; padding: 20px; }
    
    .auth-sidebar { padding: 40px 25px; }
    .auth-content { padding: 40px 30px; }
    .auth-title { font-size: 1.8rem; }
    .auth-icon { font-size: 3rem; }
    
    .dashboard-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
}

@media (max-width: 768px) {
    html { font-size: 15px; }
    
    .container { padding: 0 15px; }
    
    .navbar-brand { font-size: 1.1rem; }
    .logo-icon { width: 32px; height: 32px; font-size: 0.9rem; }
    
    .btn { padding: 12px 22px; font-size: 0.95rem; }
    .btn-lg { padding: 14px 28px; font-size: 1rem; }
    
    .auth-page { padding: 30px 15px; }
    .auth-card { border-radius: var(--radius-xl); }
    .auth-sidebar { padding: 35px 20px; }
    .auth-content { padding: 35px 25px; }
    .auth-title { font-size: 1.6rem; }
    .auth-icon { font-size: 2.5rem; }
    .auth-header h2 { font-size: 1.5rem; }
    .auth-input { padding: 14px 18px; font-size: 0.95rem; }
    .auth-btn { padding: 16px 25px; font-size: 1rem; }
    
    .dashboard-page { padding: 15px; }
    .dashboard-header { padding: 20px; }
    .user-avatar { width: 60px; height: 60px; font-size: 1.5rem; }
    .user-details h1 { font-size: 1.4rem; }
    .header-content { flex-direction: column; align-items: flex-start; }
    
    .dashboard-grid { grid-template-columns: 1fr; gap: 20px; }
    
    .table-header { flex-direction: column; align-items: stretch; }
    .search-box { max-width: 100%; }
    .table-container { overflow-x: auto; }
    .data-table { min-width: 600px; }
    
    .footer { padding: var(--spacing-md) 0; }
    .footer .row { text-align: center; }
}

@media (max-width: 576px) {
    html { font-size: 14px; }
    
    .container { padding: 0 12px; }
    
    .navbar-brand { font-size: 1rem; gap: 6px; }
    .logo-icon { width: 28px; height: 28px; font-size: 0.8rem; }
    
    .btn { padding: 10px 18px; font-size: 0.9rem; }
    
    .auth-page { padding: 20px 12px; }
    .auth-sidebar { padding: 30px 15px; }
    .auth-content { padding: 30px 20px; }
    .auth-title { font-size: 1.4rem; }
    .auth-icon { font-size: 2rem; }
    .auth-header h2 { font-size: 1.3rem; }
    .auth-input { padding: 12px 16px; font-size: 0.9rem; }
    .auth-btn { padding: 14px 20px; font-size: 0.95rem; }
    .feature-list li { font-size: 0.85rem; margin-bottom: 10px; }
    
    .dashboard-header { padding: 15px; }
    .user-avatar { width: 50px; height: 50px; font-size: 1.3rem; }
    .user-details h1 { font-size: 1.2rem; }
    
    .info-card { padding: 20px; }
    .info-card-icon { width: 50px; height: 50px; font-size: 1.5rem; }
    .info-card-value { font-size: 1.3rem; }
    
    .stat-card { padding: var(--spacing-lg); }
    .stat-number { font-size: 1.5rem; }
    .stat-icon { width: 50px; height: 50px; font-size: 1.5rem; }
}

/* Mobile Overlay */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}
.mobile-overlay.active { display: block; }

/* Print Styles */
@media print {
    .sidebar, .admin-header, .navbar, .footer, .btn { display: none !important; }
    .admin-main { margin: 0 !important; padding: 0 !important; }
    body { background: white !important; }
}