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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: #f5f5f5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    background: #2c3e50;
    color: white;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: bold;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    flex: 1;
}

.nav-links a {
    color: #ecf0f1;
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background 0.2s;
}

.nav-links a:hover {
    background: rgba(255,255,255,0.1);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    flex: 1;
}

.footer {
    background: #2c3e50;
    color: #ecf0f1;
    text-align: center;
    padding: 1rem;
    margin-top: auto;
}

/* Cards */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
}

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

.btn-success:hover {
    background: #219a52;
}

.btn-danger {
    background: #e74c3c;
    color: white;
}

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

.btn-secondary {
    background: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background: #7f8c8d;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

textarea.form-control {
    min-height: 200px;
    resize: vertical;
}

select.form-control {
    background: white;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.table th {
    background: #f8f9fa;
    font-weight: 600;
}

.table tr:hover {
    background: #f8f9fa;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: #2c3e50;
}

.stat-label {
    color: #7f8c8d;
    font-size: 0.875rem;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}

.badge-info {
    background: #d1ecf1;
    color: #0c5460;
}

/* Login page */
.login-container {
    max-width: 400px;
    margin: 100px auto;
}

.login-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    padding: 2rem;
}

.login-title {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 0.75rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

/* Actions */
.actions {
    display: flex;
    gap: 0.5rem;
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

/* Page header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.page-title {
    font-size: 1.5rem;
    color: #2c3e50;
}

/* Filter */
.filter-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    align-items: center;
}

.filter-bar select {
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

/* Prompt type tabs */
.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tab {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    background: white;
}

.tab.active {
    background: #3498db;
    color: white;
    border-color: #3498db;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .filter-bar {
        flex-wrap: wrap;
    }
}