/* Desert Surf Admin Portal - Professional UI */

:root {
    /* Primary Colors */
    --primary-color: #0066CC;
    --primary-hover: #0052A3;
    --primary-light: #E6F0FF;

    /* Secondary Colors */
    --secondary-color: #6B7280;
    --secondary-hover: #4B5563;

    /* Neutrals */
    --background: #F9FAFB;
    --surface: #FFFFFF;
    --border: #E5E7EB;
    --border-hover: #D1D5DB;

    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --text-tertiary: #9CA3AF;

    /* Status Colors */
    --success: #10B981;
    --success-light: #D1FAE5;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --error: #EF4444;
    --error-light: #FEE2E2;
    --info: #3B82F6;
    --info-light: #DBEAFE;

    /* Sidebar */
    --sidebar-bg: #1F2937;
    --sidebar-hover: #374151;
    --sidebar-active: #0066CC;

    /* Shadows */
    --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);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Sidebar Navigation */
.sidebar {
    width: 260px;
    background: linear-gradient(180deg, #1F2937 0%, #111827 100%);
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #60A5FA 0%, #3B82F6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.nav-menu {
    list-style: none;
    padding: 16px 12px;
}

.nav-item {
    margin-bottom: 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: #D1D5DB;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius-md);
    position: relative;
}

.nav-link:hover {
    background-color: var(--sidebar-hover);
    color: #FFFFFF;
    transform: translateX(2px);
}

.nav-item.active .nav-link {
    background: linear-gradient(135deg, #0066CC 0%, #0052A3 100%);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.nav-item.active .nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: #60A5FA;
    border-radius: 0 2px 2px 0;
}

.nav-link .icon {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-link .icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.nav-link .text {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: -0.2px;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    background-color: var(--background);
}

.top-bar {
    background-color: var(--surface);
    padding: 20px 32px;
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.top-bar h1 {
    color: var(--text-primary);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info .user-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.btn-logout {
    background-color: var(--error);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
}

.btn-logout:hover {
    background-color: #DC2626;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* Content Area */
.content {
    padding: 32px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background-color: var(--surface);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--info));
    opacity: 0;
    transition: opacity 0.3s;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-light), var(--info-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-size: 28px;
}

.stat-details {
    flex: 1;
}

.stat-details h3 {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -1px;
}

/* Dashboard Sections */
.dashboard-sections {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.recent-orders, .recent-customers {
    background-color: var(--surface);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.recent-orders h2, .recent-customers h2 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-md);
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.data-table th {
    background-color: var(--background);
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 14px;
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background-color 0.2s;
}

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

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.loading {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
    padding: 40px;
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.status-pending {
    background-color: var(--warning-light);
    color: #B45309;
}

.status-completed {
    background-color: var(--success-light);
    color: #065F46;
}

.status-cancelled {
    background-color: var(--error-light);
    color: #991B1B;
}

.status-active {
    background-color: var(--success-light);
    color: #065F46;
}

.status-inactive {
    background-color: var(--border);
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: var(--shadow-sm);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), #003D7A);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: var(--secondary-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

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

.btn-success:hover {
    background-color: #059669;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

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

.btn-danger:hover {
    background-color: #DC2626;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

/* Search and Filter */
.controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-box input {
    width: 100%;
    padding: 12px 44px 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: all 0.2s;
    background-color: var(--surface);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.search-box button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.search-box button:hover {
    background-color: var(--background);
    color: var(--primary-color);
}

select, input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="date"], input[type="tel"], textarea {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: all 0.2s;
    background-color: var(--surface);
    color: var(--text-primary);
    font-family: inherit;
}

select:focus, input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Data Display Pages */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.data-section {
    background-color: var(--surface);
    padding: 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    margin-bottom: 24px;
}

.data-section h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.3px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 24px;
    gap: 8px;
}

.pagination button {
    padding: 10px 16px;
    border: 1px solid var(--border);
    background: var(--surface);
    cursor: pointer;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    transition: all 0.2s;
}

.pagination button:hover:not(:disabled) {
    background: var(--background);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.pagination .page-info {
    margin: 0 12px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .dashboard-sections {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 70px;
    }

    .sidebar-header h2 {
        display: none;
    }

    .nav-link .text {
        display: none;
    }

    .nav-link {
        justify-content: center;
        padding: 12px;
    }

    .nav-link .icon {
        margin-right: 0;
    }

    .main-content {
        margin-left: 70px;
    }

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

    .content {
        padding: 20px;
    }
}

/* Notification styles */
.success-notification,
.error-notification {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    font-weight: 500;
    max-width: 350px;
    word-wrap: break-word;
}

/* Notification animations */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Enhanced error styling for form fields */
.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 5px;
    display: block;
}

.form-group.has-error input,
.form-group.has-error select {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

/* Loading state styling */
button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

button.loading {
    position: relative;
}

button.loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Sidebar External Links Section */
.sidebar-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 8px 16px;
}

.sidebar-section-title {
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 12px 20px 8px;
}

.nav-menu.external-links {
    padding-top: 4px;
    padding-bottom: 20px;
}

.nav-link.external {
    color: #9CA3AF;
}

.nav-link.external:hover {
    color: #60A5FA;
    background-color: rgba(96, 165, 250, 0.1);
}

.nav-link .external-icon {
    margin-left: auto;
    opacity: 0.5;
    display: flex;
    align-items: center;
}

.nav-link .external-icon svg {
    fill: currentColor;
}

.nav-link.external:hover .external-icon {
    opacity: 1;
}

@media (max-width: 768px) {
    .sidebar-divider,
    .sidebar-section-title {
        display: none;
    }

    .nav-link .external-icon {
        display: none;
    }
}