/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}



body {
    font-family: 'Inter', 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 16px;
}

:root {
    --primary-color: var(--color-primary);
    --secondary-color: var(--color-primary-dark);
    --success-color: var(--color-success);
    --danger-color: var(--color-danger);
    --warning-color: var(--color-warning);
    --info-color: var(--color-accent);
    --text-color: var(--color-text);
    --text-muted: var(--color-text-muted);
    --bg-color: var(--color-bg);
    --card-bg: var(--color-surface);
    --border-color: var(--color-border);
    --sidebar-width: 250px;
    --header-height: 60px;
    --border-radius: 12px;
}

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

/* Dashboard and Layout Enhancements */
.dashboard-container {
    padding-top: 80px;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    padding: 2rem 0;
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

.lead {
    font-size: 1.125rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* Enhanced Navigation */
.navbar {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-color) !important;
}

.nav-link {
    font-weight: 500;
    color: var(--text-color) !important;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--secondary-color);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
}

/* Enhanced Card Styles */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all 0.2s ease-in-out;
    box-shadow: var(--shadow-sm);
}

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

.card.border-0 {
    border: none !important;
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem;
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.card-title i {
    opacity: 0.8;
}

/* Enhanced Button Styles */
.btn {
    font-weight: 500;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease-in-out;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 191, 165, 0.25);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

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

.btn-primary:hover {
    background-color: #009688;
    border-color: #009688;
    color: white;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-success:hover {
    background-color: #27ae60;
    border-color: #27ae60;
}

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    color: white;
}

.btn-warning:hover {
    background-color: #e67e22;
    border-color: #e67e22;
}

.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
}

.btn-danger:hover {
    background-color: #c0392b;
    border-color: #c0392b;
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-content {
    flex: 1;
    padding: 20px 0;
}

.nav-links {
    list-style: none;
}

.nav-item {
    padding: 15px 20px;
    transition: all 0.2s ease;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Enhanced Form Styles */
.form-control {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 191, 165, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

/* Enhanced Table Styles */
.table {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table th {
    background-color: var(--bg-color);
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    color: var(--text-color);
    padding: 1rem;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background-color: var(--bg-color);
}

/* Badge Styles */
.badge {
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
}

/* Alert Styles */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: 1rem 1.25rem;
}

.alert-success {
    background-color: rgba(46, 204, 113, 0.1);
    color: #1e7e34;
}

.alert-warning {
    background-color: rgba(243, 156, 18, 0.1);
    color: #856404;
}

.alert-danger {
    background-color: rgba(231, 76, 60, 0.1);
    color: #721c24;
}

.alert-info {
    background-color: rgba(52, 152, 219, 0.1);
    color: #0c5460;
}

/* Utility Classes */
.text-muted {
    color: var(--text-muted) !important;
}

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

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

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

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

/* User Profile Styles */
.avatar-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.user-profile-card {
    background: linear-gradient(135deg, rgba(0, 191, 165, 0.05), rgba(59, 130, 246, 0.05));
    border: 1px solid rgba(0, 191, 165, 0.1);
}

/* Enhanced User Info Display */
#user-full-name {
    color: var(--text-color);
    font-weight: 600;
}

#user-id {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--primary-color);
}

#user-location {
    color: var(--text-muted);
}

#last-login {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
}

/* Navigation Item Styles */
.nav-item {
    padding: 15px 20px;
    transition: all 0.2s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-item i {
    width: 20px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.logout-btn {
    width: 100%;
    padding: 10px;
    background-color: var(--danger-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 20px;
}

/* Auth Container */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--bg-color);
}

.auth-box {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.auth-tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 2px solid #eee;
}

.auth-tab {
    flex: 1;
    padding: 10px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 16px;
    color: var(--text-color);
}

.auth-tab.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-color);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.btn-primary {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.btn-primary:hover {
    background-color: #357ABD;
}

/* Dashboard Styles */
.dashboard-container {
    padding: 20px;
}

.content-header {
    margin-bottom: 30px;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-card i {
    font-size: 30px;
    color: var(--primary-color);
}

.stat-info h3 {
    font-size: 16px;
    color: var(--text-color);
    margin-bottom: 5px;
}

.stat-info p {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

/* Homepage hero */
.homepage-details { display:flex; align-items:center; justify-content:space-between; padding:60px; gap:20px; }
.homepage-details .details-content { max-width: 60%; }
.homepage-details .details-actions { align-self:center; }

/* Data table */
.data-table { width: 100%; border-collapse: collapse; background: white; border-radius: 8px; overflow: hidden; }
.data-table th, .data-table td { padding: 10px 12px; border-bottom: 1px solid #f0f0f0; text-align: left; }
.data-table thead { background: #fafafa; }

/* Legacy custom modal (non-Bootstrap) */
.legacy-modal { position: fixed; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); display:flex; align-items:center; justify-content:center; }
.legacy-modal-content { background: white; padding: 20px; border-radius: 8px; width: 90%; max-width: 700px; }
.legacy-modal .close { float: right; font-size: 24px; cursor: pointer; }

@media (max-width: 900px) {
    .homepage-details { flex-direction:column; padding:30px; }
    .homepage-details .details-content { max-width: 100%; }
    .app-container { flex-direction: column; }
    .sidebar { position: relative; width: 100%; height: auto; }
    .main-content { margin-left: 0; }
}

/* Dark Mode Styles */
body.dark-mode {
    --text-color: #f8f9fa;
    --text-muted: #adb5bd;
    --bg-color: #1a1a1a;
    --card-bg: #2d2d2d;
    --border-color: #404040;
    background-color: var(--bg-color);
    color: var(--text-color);
}

body.dark-mode .navbar {
    background-color: #2d2d2d !important;
    border-bottom: 1px solid var(--border-color);
}

body.dark-mode .navbar-brand,
body.dark-mode .nav-link {
    color: var(--text-color) !important;
}

body.dark-mode .card {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

body.dark-mode .card-body {
    background-color: var(--card-bg);
}

body.dark-mode .bg-light {
    background-color: var(--card-bg) !important;
}

body.dark-mode .text-muted {
    color: var(--text-muted) !important;
}

body.dark-mode .btn-outline-brand {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

body.dark-mode .btn-outline-brand:hover {
    background-color: var(--primary-color);
    color: white;
}

body.dark-mode .btn-outline-danger {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

body.dark-mode .btn-outline-danger:hover {
    background-color: var(--danger-color);
    color: white;
}

body.dark-mode .avatar-circle {
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
}

/* Dark mode form controls */
body.dark-mode .form-control {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

body.dark-mode .form-control:focus {
    background-color: var(--card-bg);
    border-color: var(--primary-color);
    color: var(--text-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 191, 165, 0.25);
}

/* Dark mode table styles */
body.dark-mode .data-table {
    background: var(--card-bg);
}

body.dark-mode .data-table th,
body.dark-mode .data-table td {
    border-bottom-color: var(--border-color);
    color: var(--text-color);
}

body.dark-mode .data-table thead {
    background: var(--bg-color);
}

/* Dark mode modal */
body.dark-mode .modal-content {
    background: var(--card-bg);
    color: var(--text-color);
}