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

:root {
    /* Color Palette */
    --primary-color: #0d6efd;
    --primary-hover: #0b5ed7;
    --primary-red: #dc3545;
    --background-color: #f3f5f9;
    --card-bg: #ffffff;
    --text-primary: #333333;
    --text-secondary: #6c757d;
    --border-color: #e2e8f0;
    --success: #198754;
    --danger: #dc3545;
    --warning: #ffc107;

    /* Sidebar */
    --sidebar-bg: #1e1e2d;
    --sidebar-text: rgba(255,255,255,0.7);
    --sidebar-hover: rgba(255,255,255,0.05);
    --sidebar-active: #dc3545;

    /* Layout & Shadows */
    --font-family: 'Inter', sans-serif;
    --border-radius: 8px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    color: var(--primary-hover);
}

/* Auth Layout (Login) */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 20px;
}

.auth-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    animation: fadeIn 0.5s ease-out;
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    font-family: var(--font-family);
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.btn {
    display: inline-block;
    width: 100%;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

/* Dashboard Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    height: 100vh;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-header h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.5px;
}

.sidebar-nav {
    padding: 10px 0;
    flex: 1;
    overflow-y: auto;
    scrollbar-width: none; /* Firefox */
}

.sidebar-nav::-webkit-scrollbar {
    display: none; /* Chrome, Safari and Opera */
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    color: var(--sidebar-text);
    font-size: 0.95rem;
    gap: 12px;
    transition: var(--transition);
    margin: 2px 10px;
    border-radius: 8px;
}

.nav-item:hover {
    background-color: var(--sidebar-hover);
    color: #fff;
}

.nav-item.active {
    background-color: var(--sidebar-active);
    color: #fff;
    font-weight: 500;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    min-width: 0; /* Prevents overflow */
    transition: margin-left 0.3s ease;
}

/* Top Header */
.top-header {
    height: 70px;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
}

/* Content Area */
.content-area {
    padding: 30px;
    flex: 1;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-primary);
}

/* Cards & Widgets */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--card-bg);
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background-color: rgba(26, 86, 219, 0.1);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-info h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-info p {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 4px;
}

/* Tables */
.table-container {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
    border: 1px solid var(--border-color);
}

.table-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-title {
    font-weight: 600;
    font-size: 1.1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 14px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #f9fafb;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    font-size: 0.95rem;
    color: var(--text-primary);
}

tbody tr {
    transition: var(--transition);
}

tbody tr:hover {
    background-color: #f9fafb;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success { background-color: rgba(16, 185, 129, 0.1); color: var(--success); }
.badge-warning { background-color: rgba(245, 158, 11, 0.1); color: var(--warning); }
.badge-danger { background-color: rgba(239, 68, 68, 0.1); color: var(--danger); }
.badge-primary { background-color: rgba(26, 86, 219, 0.1); color: var(--primary-color); }

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .main-content {
        margin-left: 0;
    }
    .sidebar.show {
        transform: translateX(0);
    }
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--card-bg);
    width: 90%;
    max-width: 600px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: var(--transition);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-overlay.show .modal-content {
    transform: scale(1);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--danger);
}

.modal-body {
    padding: 20px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
    padding: 10px;
}

.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 10px;
    border-radius: var(--border-radius);
    background-color: #fff;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
}

.pagination a:hover {
    background-color: #f3f4f6;
    border-color: #d1d5db;
}

.pagination .active {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.pagination .disabled {
    color: var(--text-secondary);
    background-color: #f9fafb;
    cursor: not-allowed;
}

/* ESGE UI Utility Classes */
.rounded-pill { border-radius: 50rem !important; }
.shadow-sm { box-shadow: 0 2px 4px rgba(0,0,0,0.05) !important; }
.shadow-md { box-shadow: 0 10px 25px rgba(0,0,0,0.05) !important; }

.btn-soft-primary { background: rgba(13, 110, 253, 0.1); color: #0d6efd; border: none; }
.btn-soft-primary:hover { background: #0d6efd; color: white; }
.btn-soft-success { background: rgba(25, 135, 84, 0.1); color: #198754; border: none; }
.btn-soft-success:hover { background: #198754; color: white; }
.btn-soft-danger { background: rgba(220, 53, 69, 0.1); color: #dc3545; border: none; }
.btn-soft-danger:hover { background: #dc3545; color: white; }

.esge-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    border: 1px solid rgba(0,0,0,0.05);
    padding: 20px;
    margin-bottom: 20px;
}

/* Toggle Switch */
.form-switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 20px;
}
.form-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.form-switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #ccc;
    transition: .3s;
    border-radius: 34px;
}
.form-switch-slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}
input:checked + .form-switch-slider {
    background-color: var(--primary-color);
}
input:checked + .form-switch-slider:before {
    transform: translateX(20px);
}

/* Media Queries for Responsiveness */
@media (max-width: 992px) {
    .dashboard-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)) !important;
    }
}

@media (max-width: 768px) {
    .sidebar {
        left: -260px;
        box-shadow: var(--shadow-lg);
    }
    .sidebar.show {
        left: 0;
    }
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .table-container table {
        min-width: 700px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr !important;
    }
    
    .top-header {
        padding: 0 15px;
    }

    .toggle-btn {
        display: block !important;
    }
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 95;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.sidebar-backdrop.show {
    display: block;
    opacity: 1;
}

/* Hide toggle on desktop by default */
.toggle-btn {
    display: none;
}
@media (max-width: 768px) {
    .toggle-btn {
        display: block;
    }
}