/* ML Manager - Main Stylesheet */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f4f6f9;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Navigation */
.navbar {
    background: #fff159;
    border-bottom: 1px solid #e6e6e6;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
    text-decoration: none;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 20px;
    align-items: center;
}

.navbar-nav a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.navbar-nav a:hover {
    color: #3483fa;
}

/* Cards */
.card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    padding: 24px;
    margin-bottom: 20px;
}

.card-header {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eee;
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: #555;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: #3483fa;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, transform 0.1s;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: #3483fa;
    color: #fff;
}

.btn-primary:hover {
    background: #2968c8;
}

.btn-success {
    background: #00a650;
    color: #fff;
}

.btn-success:hover {
    background: #008f44;
}

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

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

.btn-warning {
    background: #f39c12;
    color: #fff;
}

.btn-info {
    background: #17a2b8;
    color: #fff;
}

.btn-outline-info {
    background: transparent;
    color: #17a2b8;
    border: 1px solid #17a2b8;
}
.btn-outline-info:hover {
    background: #17a2b8;
    color: #fff;
}

.btn-secondary {
    background: #6c757d;
    color: #fff;
}

.btn-outline-primary {
    background: transparent;
    color: #3483fa;
    border: 1px solid #3483fa;
}
.btn-outline-primary:hover {
    background: #3483fa;
    color: #fff;
}

.btn-outline-success {
    background: transparent;
    color: #00a650;
    border: 1px solid #00a650;
}
.btn-outline-success:hover {
    background: #00a650;
    color: #fff;
}

.btn-outline-warning {
    background: transparent;
    color: #f39c12;
    border: 1px solid #f39c12;
}
.btn-outline-warning:hover {
    background: #f39c12;
    color: #fff;
}

.btn-outline-danger {
    background: transparent;
    color: #e74c3c;
    border: 1px solid #e74c3c;
}
.btn-outline-danger:hover {
    background: #e74c3c;
    color: #fff;
}

.btn-outline-secondary {
    background: transparent;
    color: #6c757d;
    border: 1px solid #6c757d;
}
.btn-outline-secondary:hover {
    background: #6c757d;
    color: #fff;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
}

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

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

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

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

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

/* Login/Register */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #fff159 0%, #ffe600 100%);
}

.auth-box {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 420px;
}

.auth-box h2 {
    text-align: center;
    margin-bottom: 24px;
    color: #333;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    color: #666;
}

.auth-footer a {
    color: #3483fa;
    text-decoration: none;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-card h3 {
    font-size: 2rem;
    color: #3483fa;
    margin-bottom: 8px;
}

.stat-card p {
    color: #666;
    font-size: 0.95rem;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

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

.badge-warning {
    background: #fff3cd;
    color: #856404;
}

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

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

/* Utility */
.text-center { text-align: center; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.w-100 { width: 100%; }

/* Admin sidebar */
.admin-layout {
    display: flex;
    min-height: calc(100vh - 61px);
}

.admin-sidebar {
    width: 260px;
    background: #fff;
    border-right: 1px solid #eee;
    padding: 20px;
}

.admin-sidebar ul {
    list-style: none;
}

.admin-sidebar li {
    margin-bottom: 8px;
}

.admin-sidebar a {
    display: block;
    padding: 10px 12px;
    border-radius: 6px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
}

.admin-sidebar a:hover,
.admin-sidebar a.active {
    background: #f4f6f9;
    color: #3483fa;
}

.admin-content {
    flex: 1;
    padding: 24px;
    background: #f4f6f9;
}

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

.pagination a,
.pagination span {
    padding: 8px 14px;
    border-radius: 6px;
    background: #fff;
    color: #333;
    text-decoration: none;
    border: 1px solid #ddd;
}

.pagination a:hover {
    background: #f4f6f9;
}

.pagination .current {
    background: #3483fa;
    color: #fff;
    border-color: #3483fa;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 10px 0;
    }
    .admin-layout {
        flex-direction: column;
    }
    .admin-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #eee;
    }
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}