:root {
    --admin-primary: #2c3e50;
    --admin-secondary: #34495e;
    --admin-accent: #FF8C00;
    --admin-success: #27ae60;
    --admin-danger: #e74c3c;
    --admin-warning: #f1c40f;
    --admin-info: #3498db;
    --admin-bg: #f4f7f6;
    --admin-text: #333;
    --admin-text-secondary: #666;
    --admin-border: #dee2e6;
    --admin-hover: #e9ecef;
    --sidebar-width: 260px;
}

[data-theme="dark"] {
    --admin-bg: #1a1a1a;
    --admin-text: #e0e0e0;
    --admin-text-secondary: #b0b0b0;
    --admin-border: #333;
    --admin-hover: #2a2a2a;
    --admin-primary: #0d6efd;
    --admin-secondary: #6c757d;
    --admin-success: #198754;
    --admin-danger: #dc3545;
    --admin-warning: #fd7e14;
    --admin-info: #0dcaf0;
}

[data-theme="orange"] {
    --admin-bg: #fff8f0;
    --admin-text: #8b4513;
    --admin-text-secondary: #a0522d;
    --admin-border: #ffcc99;
    --admin-hover: #ffe4cc;
    --admin-primary: #ff6600;
    --admin-secondary: #ff8533;
    --admin-success: #ff9900;
    --admin-danger: #cc3300;
    --admin-warning: #ffaa00;
    --admin-info: #ff7700;
}

[data-theme="blue"] {
    --admin-bg: #f0f8ff;
    --admin-text: #1e3a8a;
    --admin-text-secondary: #3b82f6;
    --admin-border: #bfdbfe;
    --admin-hover: #dbeafe;
    --admin-primary: #2563eb;
    --admin-secondary: #3b82f6;
    --admin-success: #059669;
    --admin-danger: #dc2626;
    --admin-warning: #d97706;
    --admin-info: #0891b2;
}

[data-theme="green"] {
    --admin-bg: #f0fdf4;
    --admin-text: #14532d;
    --admin-text-secondary: #16a34a;
    --admin-border: #bbf7d0;
    --admin-hover: #dcfce7;
    --admin-primary: #15803d;
    --admin-secondary: #16a34a;
    --admin-success: #166534;
    --admin-danger: #dc2626;
    --admin-warning: #d97706;
    --admin-info: #0891b2;
}

[data-theme="purple"] {
    --admin-bg: #faf5ff;
    --admin-text: #581c87;
    --admin-text-secondary: #9333ea;
    --admin-border: #d8b4fe;
    --admin-hover: #f3e8ff;
    --admin-primary: #7c3aed;
    --admin-secondary: #9333ea;
    --admin-success: #166534;
    --admin-danger: #dc2626;
    --admin-warning: #d97706;
    --admin-info: #0891b2;
}

[data-theme="red"] {
    --admin-bg: #fef2f2;
    --admin-text: #991b1b;
    --admin-text-secondary: #dc2626;
    --admin-border: #fecaca;
    --admin-hover: #fef2f2;
    --admin-primary: #dc2626;
    --admin-secondary: #ef4444;
    --admin-success: #166534;
    --admin-danger: #7f1d1d;
    --admin-warning: #d97706;
    --admin-info: #0891b2;
}

[data-theme="teal"] {
    --admin-bg: #f0fdfa;
    --admin-text: #134e4a;
    --admin-text-secondary: #0d9488;
    --admin-border: #a7f3d0;
    --admin-hover: #ccfbf1;
    --admin-primary: #0f766e;
    --admin-secondary: #14b8a6;
    --admin-success: #166534;
    --admin-danger: #dc2626;
    --admin-warning: #d97706;
    --admin-info: #0891b2;
}

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

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--admin-bg);
    color: var(--admin-text);
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--admin-primary);
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: all 0.3s;
    z-index: 1000;
}

.sidebar-header {
    padding: 2rem;
    text-align: center;
    background: rgba(0,0,0,0.1);
}

.sidebar-menu {
    list-style: none;
    padding: 1rem 0;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    color: #bdc3c7;
    text-decoration: none;
    transition: 0.3s;
    gap: 10px;
}

.sidebar-menu li a:hover, .sidebar-menu li a.active {
    background-color: var(--admin-secondary);
    color: white;
    border-left: 4px solid var(--admin-accent);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 2rem;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    background: white;
    padding: 1rem 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

/* Dashboard Cards */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.animated-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}

.orange-gradient {
    background: linear-gradient(135deg, #FF8C00 0%, #FFA500 50%, #FF4500 100%);
    color: white;
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: white;
}

.card-content h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.2rem;
}

.card-content p {
    margin: 0;
    opacity: 0.9;
    font-size: 0.9rem;
}

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.kpi-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
}

.kpi-card .label { font-size: 0.9rem; color: #7f8c8d; margin-bottom: 0.5rem; }
.kpi-card .value { font-size: 1.8rem; font-weight: bold; color: var(--admin-primary); }
.kpi-card .trend { font-size: 0.8rem; margin-top: 0.5rem; }
.trend.up { color: var(--admin-success); }
.trend.down { color: var(--admin-danger); }

/* Tables */
.admin-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
}

.admin-card h3 { margin-bottom: 1.5rem; border-bottom: 2px solid var(--admin-bg); padding-bottom: 0.5rem; }

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

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

.data-table th { background-color: #f8f9fa; color: #7f8c8d; font-size: 0.85rem; text-transform: uppercase; }

.wide-table th, .wide-table td { min-width: 120px; }

/* Badges */
.badge {
    padding: 0.3rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: bold;
}

.badge-success { background: #d4edda; color: #155724; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-danger { background: #f8d7da; color: #721c24; }

/* Forms */
.admin-form { display: grid; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label { font-weight: bold; font-size: 0.9rem; }
.form-group input, .form-group select, .form-group textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.btn-admin {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s;
}

.btn-primary { background: var(--admin-accent); color: white; }
.btn-primary:hover { background: #e67e00; }

.btn-success { background: var(--admin-success); color: white; }
.btn-success:hover { background: #229954; }

.btn-danger { background: var(--admin-danger); color: white; }
.btn-danger:hover { background: #c0392b; }

.btn-warning { background: var(--admin-warning); color: #333; }
.btn-warning:hover { background: #f39c12; }

.btn-info { background: var(--admin-info); color: white; }
.btn-info:hover { background: #2980b9; }

/* Tabbed Navigation */
.tab-container {
    margin-bottom: 2rem;
}

.tab-buttons {
    display: flex;
    border-bottom: 1px solid #ddd;
    margin-bottom: 1rem;
}

.tab-btn {
    padding: 0.8rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: bold;
    color: #7f8c8d;
    border-bottom: 2px solid transparent;
    transition: 0.3s;
}

.tab-btn.active {
    color: var(--admin-accent);
    border-bottom-color: var(--admin-accent);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* FAQ Section */
.faq-item {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.faq-question {
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    margin-top: 0.5rem;
    display: none;
}

/* Chat Simulation */
.chat-container {
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    height: 400px;
    display: flex;
    flex-direction: column;
}

.chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

.chat-input {
    border-top: 1px solid #ddd;
    padding: 1rem;
    display: flex;
    gap: 0.5rem;
}

.chat-input input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

/* Priority Levels */
.priority-high { color: var(--admin-danger); }
.priority-medium { color: var(--admin-warning); }
.priority-low { color: var(--admin-success); }

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    background: var(--admin-primary);
    color: white;
    border: none;
    padding: 0.8rem;
    border-radius: 5px;
    cursor: pointer;
    z-index: 1001;
    transition: 0.3s;
}

.mobile-menu-toggle:hover {
    background: var(--admin-secondary);
}

.mobile-menu-toggle.active {
    left: calc(var(--sidebar-width) + 1rem);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 300px; /* Wider for better mobile experience */
        box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 1rem;
    }

    .mobile-menu-toggle {
        display: block;
        width: 56px;
        height: 56px;
        border-radius: 50%;
        box-shadow: 0 4px 12px rgba(0,0,0,0.3);
        background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-secondary) 100%);
        transition: all 0.3s ease;
    }

    .mobile-menu-toggle:hover {
        transform: scale(1.05);
        box-shadow: 0 6px 16px rgba(0,0,0,0.4);
    }

    .mobile-menu-toggle.active {
        left: calc(300px + 1rem);
        background: linear-gradient(135deg, var(--admin-accent) 0%, #e67e00 100%);
    }

    .mobile-menu-toggle i {
        font-size: 1.2rem;
    }

    .top-bar {
        padding: 1rem;
        margin-bottom: 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .header-left {
        width: 100%;
    }

    .header-right {
        width: 100%;
        justify-content: space-between;
    }

    .page-title {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }

    .page-subtitle {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .dashboard-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .card {
        padding: 1.2rem;
    }

    .card-icon {
        font-size: 1.8rem;
        margin-bottom: 0.8rem;
    }

    .card-content h3 {
        font-size: 1.1rem;
        margin-bottom: 0.4rem;
    }

    .card-content p {
        font-size: 0.85rem;
        line-height: 1.4;
    }

    /* Tables */
    .data-table {
        font-size: 0.85rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.8rem 0.5rem;
        min-width: 100px;
    }

    /* Make tables horizontally scrollable on mobile */
    .admin-card {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .data-table {
        min-width: 600px; /* Ensure minimum width for scrolling */
    }

    /* Forms */
    .admin-form {
        gap: 1.2rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 1rem 0.8rem;
        font-size: 16px; /* Prevent zoom on iOS */
        min-height: 44px; /* Touch target size */
    }

    .form-group label {
        font-size: 0.9rem;
        margin-bottom: 0.3rem;
    }

    /* Buttons */
    .btn-admin {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        min-height: 44px;
        width: 100%;
        margin-bottom: 0.5rem;
    }

    /* Tabbed navigation */
    .tab-buttons {
        flex-wrap: wrap;
    }

    .tab-btn {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
        flex: 1;
        min-width: 120px;
    }

    /* KPI Cards */
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .kpi-card .value {
        font-size: 1.5rem;
    }

    /* Admin profile */
    .admin-profile {
        display: flex;
        align-items: center;
        gap: 0.8rem;
    }

    .profile-info {
        display: flex;
        flex-direction: column;
    }

    .profile-info strong {
        font-size: 0.9rem;
    }

    .profile-info small {
        font-size: 0.8rem;
    }

    .admin-avatar {
        width: 35px;
        height: 35px;
    }

    /* Fieldsets for forms */
    fieldset {
        border: 1px solid #ddd;
        border-radius: 8px;
        padding: 1rem;
        margin-bottom: 1rem;
    }

    fieldset legend {
        font-size: 1rem;
        font-weight: bold;
        padding: 0 0.5rem;
        margin-bottom: 0.5rem;
    }

    /* Equipment management specific */
    .tab-container {
        margin-bottom: 1.5rem;
    }

    /* Mobile menu improvements */
    .sidebar-menu li a {
        padding: 1.2rem 1.5rem;
        font-size: 1rem;
    }

    .sidebar-menu li a span {
        display: inline; /* Always show text on mobile */
    }

    /* Touch improvements */
    * {
        -webkit-tap-highlight-color: rgba(255, 140, 0, 0.2);
    }

    /* Improve scrolling */
    body {
        -webkit-overflow-scrolling: touch;
    }

    /* Loading states */
    .loading {
        pointer-events: none;
        opacity: 0.6;
    }

    /* Mobile card view for tables */
    .table-card-view {
        display: none;
    }

    .table-card-view.active {
        display: block;
    }

    .table-card-view .card-item {
        background: white;
        border-radius: 8px;
        padding: 1rem;
        margin-bottom: 1rem;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        border-left: 4px solid var(--admin-accent);
    }

    .table-card-view .card-item-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 0.8rem;
        padding-bottom: 0.5rem;
        border-bottom: 1px solid #eee;
    }

    .table-card-view .card-item-title {
        font-weight: bold;
        color: var(--admin-primary);
    }

    .table-card-view .card-item-status {
        font-size: 0.8rem;
    }

    .table-card-view .card-item-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
        font-size: 0.85rem;
    }

    .table-card-view .card-item-field {
        display: flex;
        flex-direction: column;
    }

    .table-card-view .card-item-field label {
        font-weight: bold;
        color: #7f8c8d;
        font-size: 0.75rem;
        text-transform: uppercase;
        margin-bottom: 0.2rem;
    }

    .table-card-view .card-item-field span {
        color: #333;
    }

    .table-card-view .card-item-actions {
        margin-top: 1rem;
        display: flex;
        gap: 0.5rem;
        justify-content: flex-end;
    }

    .table-card-view .card-item-actions button {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }

    /* Toggle between table and card view */
    .view-toggle {
        display: flex;
        justify-content: flex-end;
        margin-bottom: 1rem;
        gap: 0.5rem;
    }

    .view-toggle button {
        padding: 0.5rem 1rem;
        border: 1px solid #ddd;
        background: white;
        border-radius: 4px;
        cursor: pointer;
        font-size: 0.85rem;
    }

    .view-toggle button.active {
        background: var(--admin-accent);
        color: white;
        border-color: var(--admin-accent);
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .main-content {
        padding: 0.8rem;
    }

    .top-bar {
        padding: 0.8rem;
    }

    .dashboard-cards {
        gap: 0.8rem;
    }

    .card {
        padding: 1rem;
    }

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

    .btn-admin {
        font-size: 0.95rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.6rem 0.4rem;
        font-size: 0.8rem;
    }

    .mobile-menu-toggle {
        width: 45px;
        height: 45px;
    }
}