/* CSS chung cho toàn bộ ứng dụng */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fb;
    color: #333;
}

.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: linear-gradient(135deg, #1a5f7a, #159895);
    color: white;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.logo {
    text-align: center;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.logo h2 {
    font-size: 24px;
    font-weight: 600;
}

.menu {
    list-style: none;
    padding: 0 15px;
}

.menu-item {
    margin-bottom: 5px;
}

.menu-link {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s;
}

.menu-link:hover, .menu-link.active {
    background-color: rgba(255, 255, 255, 0.1);
}

.menu-link i {
    margin-right: 10px;
    font-size: 18px;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e0e0e0;
}

.header h1 {
    font-size: 28px;
    color: #159895;
}

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

.user-info img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 10px;
    object-fit: cover;
}

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

.card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-size: 24px;
    color: white;
}

.card-info h3 {
    font-size: 24px;
    margin-bottom: 5px;
}

.card-info p {
    color: #666;
    font-size: 14px;
}

/* Charts */
.charts {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.chart-container {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.chart-title {
    font-size: 18px;
    margin-bottom: 15px;
    color: #159895;
}

/* Recent Orders */
.recent-orders {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
}

.table-responsive {
    overflow-x: auto;
}

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

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

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

tr:hover {
    background-color: #f9f9f9;
}

.status {
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.completed {
    background-color: #e6f7ee;
    color: #00a65a;
}

.pending {
    background-color: #fef5e6;
    color: #ff8c00;
}

.processing {
    background-color: #e6f0ff;
    color: #1e88e5;
}

/* Form Styles */
.form-container {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

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

.btn {
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary {
    background-color: #159895;
    color: white;
}

.btn-primary:hover {
    background-color: #1a5f7a;
}

.btn-danger {
    background-color: #e53935;
    color: white;
}

.btn-danger:hover {
    background-color: #c62828;
}

.btn-success {
    background-color: #43a047;
    color: white;
}

.btn-success:hover {
    background-color: #388e3c;
}

/* Action buttons */
.action-buttons {
    display: flex;
    gap: 10px;
}

/* Search and filter */
.search-container {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    align-items: center;
}

.search-box {
    display: flex;
    gap: 10px;
}

.search-input {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    min-width: 250px;
}

/* Module containers */
.module-container {
    display: none;
}

.module-container.active {
    display: block;
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 14px;
    border-top: 1px solid #e0e0e0;
    margin-top: 30px;
}

/* Responsive */
@media (max-width: 992px) {
    .charts {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        width: 80px;
    }
    
    .menu-link span {
        display: none;
    }
    
    .logo h2 {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .dashboard-cards {
        grid-template-columns: 1fr;
    }
    
    .search-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .search-box {
        width: 100%;
    }
    
    .search-input {
        min-width: unset;
        flex: 1;
    }
}

.badge {
    padding: 3px 8px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 500;
}

.badge-primary {
    background-color: #e6f0ff;
    color: #1e88e5;
}

.badge-success {
    background-color: #e6f7ee;
    color: #00a65a;
}

/* Login page styles */
.login-page {
    background: linear-gradient(135deg, #1a5f7a, #159895);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    width: 400px;
    max-width: 90%;
    padding: 30px;
}

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

.login-header h2 {
    color: #159895;
    font-size: 28px;
    margin-bottom: 10px;
}

.login-header p {
    color: #666;
}

.btn-login {
    width: 100%;
}

.error-message {
    color: #e53935;
    text-align: center;
    margin-top: 15px;
    font-size: 14px;
}

.login-footer {
    margin-top: 20px;
    text-align: center;
    font-size: 13px;
    color: #888;
}

@media (max-width: 480px) {
    .login-container {
        padding: 20px;
    }
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 20px;
    gap: 5px;
}

.pagination a {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    text-decoration: none;
    color: #159895;
}

.pagination a.active {
    background-color: #159895;
    color: white;
    border-color: #159895;
}

.pagination a:hover:not(.active) {
    background-color: #f5f5f5;
}

/* Alert messages */
.alert {
    padding: 12px 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.alert-success {
    background-color: #e6f7ee;
    color: #00a65a;
    border: 1px solid #00a65a;
}

.alert-error {
    background-color: #ffebee;
    color: #e53935;
    border: 1px solid #e53935;
}

.alert-info {
    background-color: #e3f2fd;
    color: #1e88e5;
    border: 1px solid #1e88e5;
}