/**
 * CAD Admin Panel Styles
 */

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --danger: #dc2626;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --border: #e2e8f0;
    --border-hover: #cbd5e1;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    --radius: 8px;
    --radius-lg: 12px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary: #3b82f6;
        --primary-hover: #2563eb;
        
        --bg-primary: #0f172a;
        --bg-secondary: #1e293b;
        --bg-tertiary: #334155;
        
        --text-primary: #f1f5f9;
        --text-secondary: #cbd5e1;
        --text-muted: #64748b;
        
        --border: #334155;
        --border-hover: #475569;
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-box {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 28px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.login-header p {
    color: var(--text-muted);
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
}

.login-footer a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
}

.login-footer a:hover {
    color: var(--primary);
}

/* Admin Layout */
.admin-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border);
    padding: 24px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 0 24px 24px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}

.sidebar-header h2 {
    font-size: 20px;
    color: var(--text-primary);
}

.sidebar-nav {
    padding: 0 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius);
    margin-bottom: 4px;
    transition: all 0.2s;
    font-weight: 500;
}

.nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--primary);
    color: white;
}

.nav-item.logout {
    margin-top: 24px;
    color: var(--error);
}

.nav-item.logout:hover {
    background: rgba(239, 68, 68, 0.1);
}

.nav-item .icon {
    font-size: 18px;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 32px;
    max-width: 1400px;
}

/* Page Header */
.page-header {
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 28px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.page-header p {
    color: var(--text-muted);
    font-size: 15px;
}

/* Actions Bar */
.actions-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

/* Card */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 24px;
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.card-header h3 {
    font-size: 18px;
    color: var(--text-primary);
}

.card-body {
    padding: 24px;
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 24px;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error);
    color: var(--error);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="email"],
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group small {
    display: block;
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 13px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 500;
}

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

.form-actions {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    gap: 8px;
}

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

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

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

.btn-secondary:hover {
    background: #475569;
}

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

.btn-danger:hover {
    background: #b91c1c;
}

.btn-link {
    background: transparent;
    color: var(--primary);
    padding: 6px 12px;
}

.btn-link:hover {
    background: rgba(37, 99, 235, 0.1);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

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

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

.data-table thead th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border);
}

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

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

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

.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.address-cell {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mono {
    font-family: 'Courier New', Courier, monospace;
    font-size: 13px;
}

.text-muted {
    color: var(--text-muted);
}

/* Diagnostics Table */
.diagnostics-table {
    width: 100%;
}

.diagnostics-table td {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.diagnostics-table td:first-child {
    width: 200px;
}

.diagnostics-table code {
    background: var(--bg-tertiary);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 13px;
    margin-left: 8px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

/* Info Box */
.info-box {
    background: rgba(37, 99, 235, 0.05);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    margin-top: 24px;
}

.info-box h4 {
    margin-bottom: 12px;
    color: var(--primary);
    font-size: 16px;
}

.info-box ul,
.info-box ol {
    margin-left: 20px;
    color: var(--text-secondary);
}

.info-box li {
    margin-bottom: 8px;
}

.info-box code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .main-content {
        margin-left: 0;
        padding: 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .actions-bar {
        flex-direction: column;
    }

    .actions-bar form {
        width: 100%;
    }

    .actions-bar .btn {
        width: 100%;
    }
}