/**
 * AICA - Smart AI Commerce Assistant - Modern Admin Styles
 *
 * Premium styling for WordPress admin pages
 * 
 * @package AI_Commerce_Assistant
 * @since 1.0.0
 */

/* ===== CSS VARIABLES ===== */
:root {
    --aica-primary: #6366f1;
    --aica-primary-hover: #4f46e5;
    --aica-primary-light: #eef2ff;
    --aica-secondary: #0ea5e9;
    --aica-success: #10b981;
    --aica-warning: #f59e0b;
    --aica-danger: #ef4444;
    --aica-dark: #1e293b;
    --aica-gray-50: #f8fafc;
    --aica-gray-100: #f1f5f9;
    --aica-gray-200: #e2e8f0;
    --aica-gray-300: #cbd5e1;
    --aica-gray-500: #64748b;
    --aica-gray-700: #334155;
    --aica-gray-900: #0f172a;
    --aica-gradient: linear-gradient(135deg, #6366f1 0%, #0ea5e9 100%);
    --aica-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --aica-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --aica-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --aica-radius: 12px;
    --aica-radius-sm: 8px;
}

/* ===== PAGE WRAPPER ===== */
.aica-admin-wrap {
    margin: 20px 20px 20px 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* ===== PAGE HEADER ===== */
.aica-admin-header {
    background: var(--aica-gradient);
    color: white;
    padding: 30px 40px;
    border-radius: var(--aica-radius);
    margin-bottom: 30px;
    box-shadow: var(--aica-shadow-lg);
    position: relative;
    overflow: hidden;
}

.aica-admin-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='40' fill='rgba(255,255,255,0.1)'/%3E%3C/svg%3E") no-repeat center;
    background-size: contain;
    opacity: 0.3;
}

.aica-admin-header h1 {
    margin: 0 0 8px 0;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.aica-admin-header p {
    margin: 0;
    opacity: 0.9;
    font-size: 15px;
}

/* ===== CARDS ===== */
.aica-card {
    background: white;
    border-radius: var(--aica-radius);
    box-shadow: var(--aica-shadow);
    border: 1px solid var(--aica-gray-200);
    margin-bottom: 24px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.aica-card:hover {
    box-shadow: var(--aica-shadow-md);
}

.aica-card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--aica-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.aica-card-header h2,
.aica-card-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--aica-gray-900);
    display: flex;
    align-items: center;
    gap: 10px;
}

.aica-card-header .dashicons {
    color: var(--aica-primary);
    font-size: 22px;
    width: 22px;
    height: 22px;
}

.aica-card-body {
    padding: 24px;
}

.aica-card-footer {
    padding: 16px 24px;
    background: var(--aica-gray-50);
    border-top: 1px solid var(--aica-gray-200);
    border-radius: 0 0 var(--aica-radius) var(--aica-radius);
}

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

.aica-btn-primary {
    background: var(--aica-gradient);
    color: white;
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.3);
}

.aica-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(99, 102, 241, 0.4);
    color: white;
}

.aica-btn-secondary {
    background: white;
    color: var(--aica-gray-700);
    border: 1px solid var(--aica-gray-300);
}

.aica-btn-secondary:hover {
    background: var(--aica-gray-50);
    border-color: var(--aica-gray-400);
}

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

.aica-btn-success:hover {
    background: #059669;
    color: white;
}

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

.aica-btn-danger:hover {
    background: #dc2626;
    color: white;
}

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

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

/* ===== FORM ELEMENTS ===== */
.aica-form-group {
    margin-bottom: 20px;
}

.aica-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--aica-gray-700);
    font-size: 14px;
}

.aica-form-group input[type="text"],
.aica-form-group input[type="password"],
.aica-form-group input[type="email"],
.aica-form-group input[type="number"],
.aica-form-group input[type="url"],
.aica-form-group textarea,
.aica-form-group select {
    width: 100%;
    max-width: 400px;
    padding: 10px 14px;
    font-size: 14px;
    border: 1px solid var(--aica-gray-300);
    border-radius: var(--aica-radius-sm);
    background: white;
    transition: border-color 0.2s, box-shadow 0.2s;
}

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

.aica-form-group .description {
    margin-top: 6px;
    font-size: 13px;
    color: var(--aica-gray-500);
}

/* ===== TABS ===== */
.aica-tabs {
    display: flex;
    gap: 4px;
    background: var(--aica-gray-100);
    padding: 4px;
    border-radius: var(--aica-radius-sm);
    margin-bottom: 24px;
}

.aica-tab {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--aica-gray-600);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.aica-tab:hover {
    color: var(--aica-gray-900);
}

.aica-tab.active {
    background: white;
    color: var(--aica-primary);
    box-shadow: var(--aica-shadow);
}

/* ===== STATS GRID ===== */
.aica-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.aica-stat-card {
    background: white;
    border-radius: var(--aica-radius);
    padding: 24px;
    border: 1px solid var(--aica-gray-200);
    transition: transform 0.2s, box-shadow 0.2s;
}

.aica-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--aica-shadow-md);
}

.aica-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.aica-stat-icon.primary { background: var(--aica-primary-light); color: var(--aica-primary); }
.aica-stat-icon.success { background: #d1fae5; color: var(--aica-success); }
.aica-stat-icon.warning { background: #fef3c7; color: var(--aica-warning); }
.aica-stat-icon.danger { background: #fee2e2; color: var(--aica-danger); }

.aica-stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--aica-gray-900);
    line-height: 1;
    margin-bottom: 4px;
}

.aica-stat-label {
    font-size: 14px;
    color: var(--aica-gray-500);
}

/* ===== ALERTS ===== */
.aica-alert {
    padding: 16px 20px;
    border-radius: var(--aica-radius-sm);
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.aica-alert-success {
    background: #d1fae5;
    border-left: 4px solid var(--aica-success);
    color: #065f46;
}

.aica-alert-warning {
    background: #fef3c7;
    border-left: 4px solid var(--aica-warning);
    color: #92400e;
}

.aica-alert-danger {
    background: #fee2e2;
    border-left: 4px solid var(--aica-danger);
    color: #991b1b;
}

.aica-alert-info {
    background: #e0f2fe;
    border-left: 4px solid var(--aica-secondary);
    color: #0369a1;
}

/* ===== TABLES ===== */
.aica-table {
    width: 100%;
    border-collapse: collapse;
}

.aica-table th,
.aica-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--aica-gray-200);
}

.aica-table th {
    background: var(--aica-gray-50);
    font-weight: 600;
    color: var(--aica-gray-700);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.aica-table tbody tr:hover {
    background: var(--aica-gray-50);
}

.aica-table .aica-badge {
    display: inline-flex;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 20px;
}

.aica-badge-success { background: #d1fae5; color: #065f46; }
.aica-badge-warning { background: #fef3c7; color: #92400e; }
.aica-badge-danger { background: #fee2e2; color: #991b1b; }
.aica-badge-primary { background: var(--aica-primary-light); color: var(--aica-primary); }

/* ===== PROGRESS BAR ===== */
.aica-progress {
    height: 8px;
    background: var(--aica-gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.aica-progress-bar {
    height: 100%;
    background: var(--aica-gradient);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* ===== TOGGLE SWITCH ===== */
.aica-toggle {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
}

.aica-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.aica-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--aica-gray-300);
    border-radius: 26px;
    transition: 0.3s;
}

.aica-toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: 0.3s;
    box-shadow: var(--aica-shadow);
}

.aica-toggle input:checked + .aica-toggle-slider {
    background: var(--aica-primary);
}

.aica-toggle input:checked + .aica-toggle-slider:before {
    transform: translateX(22px);
}

/* ===== MAGIC PROMPTS EDITOR ===== */
.aica-prompt-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.aica-prompt-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--aica-gray-50);
    border: 1px solid var(--aica-gray-200);
    border-radius: var(--aica-radius-sm);
    transition: all 0.2s;
}

.aica-prompt-item:hover {
    border-color: var(--aica-primary);
    background: white;
}

.aica-prompt-item .drag-handle {
    cursor: grab;
    color: var(--aica-gray-400);
}

.aica-prompt-item .drag-handle:active {
    cursor: grabbing;
}

.aica-prompt-item input {
    flex: 1;
    border: 1px solid transparent;
    background: transparent;
    padding: 8px 12px;
    border-radius: 6px;
}

.aica-prompt-item input:focus {
    border-color: var(--aica-primary);
    background: white;
}

/* ===== INDEXER PAGE ===== */
.aica-indexer-status {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--aica-gray-50);
    border-radius: var(--aica-radius);
    margin-bottom: 24px;
}

.aica-indexer-status.indexing {
    background: #fef3c7;
    border: 1px solid #fcd34d;
}

.aica-indexer-status.complete {
    background: #d1fae5;
    border: 1px solid #6ee7b7;
}

/* ===== SYSTEM HEALTH ===== */
.aica-health-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid var(--aica-gray-200);
}

.aica-health-item:last-child {
    border-bottom: none;
}

.aica-health-item .status-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.aica-health-item .status-icon.success {
    background: #d1fae5;
    color: var(--aica-success);
}

.aica-health-item .status-icon.warning {
    background: #fef3c7;
    color: var(--aica-warning);
}

.aica-health-item .status-icon.error {
    background: #fee2e2;
    color: var(--aica-danger);
}

/* ===== GRID LAYOUTS ===== */
.aica-grid {
    display: grid;
    gap: 24px;
}

.aica-grid-2 { grid-template-columns: repeat(2, 1fr); }
.aica-grid-3 { grid-template-columns: repeat(3, 1fr); }
.aica-grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1200px) {
    .aica-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .aica-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 782px) {
    .aica-grid-2,
    .aica-grid-3,
    .aica-grid-4 { grid-template-columns: 1fr; }
    
    .aica-admin-header {
        padding: 20px;
    }
    
    .aica-admin-header h1 {
        font-size: 22px;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.aica-fade-in {
    animation: fadeIn 0.3s ease-out;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.aica-pulse {
    animation: pulse 2s infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.aica-spin {
    animation: spin 1s linear infinite;
}

/* ===== LOADING SKELETON ===== */
.aica-skeleton {
    background: linear-gradient(90deg, var(--aica-gray-200) 25%, var(--aica-gray-100) 50%, var(--aica-gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton 1.5s ease-in-out infinite;
    border-radius: 4px;
}

@keyframes skeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ===== TOOLTIP ===== */
.aica-tooltip {
    position: relative;
}

.aica-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 12px;
    background: var(--aica-gray-900);
    color: white;
    font-size: 12px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    margin-bottom: 8px;
}

.aica-tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ===== OVERRIDE WP DEFAULTS ===== */
.aica-admin-wrap .form-table th {
    padding: 16px 10px 16px 0;
    font-weight: 500;
}

.aica-admin-wrap .form-table td {
    padding: 16px 10px;
}

.aica-admin-wrap h2.nav-tab-wrapper {
    border-bottom: none;
    margin-bottom: 0;
}

.aica-admin-wrap .nav-tab {
    border: none;
    background: transparent;
    padding: 12px 20px;
    border-radius: 6px 6px 0 0;
    margin-left: 0;
}

.aica-admin-wrap .nav-tab-active {
    background: white;
    color: var(--aica-primary);
    font-weight: 500;
}

/* ===== EMPTY STATE ===== */
.aica-empty-state {
    text-align: center;
    padding: 60px 20px;
}

.aica-empty-state-icon {
    width: 80px;
    height: 80px;
    background: var(--aica-gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--aica-gray-400);
}

.aica-empty-state h3 {
    margin: 0 0 8px;
    color: var(--aica-gray-900);
}

.aica-empty-state p {
    margin: 0 0 24px;
    color: var(--aica-gray-500);
}

/* ===== QUICK ACTIONS ===== */
.aica-quick-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.aica-quick-action {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    background: white;
    border: 1px solid var(--aica-gray-200);
    border-radius: var(--aica-radius-sm);
    color: var(--aica-gray-700);
    text-decoration: none;
    transition: all 0.2s;
}

.aica-quick-action:hover {
    border-color: var(--aica-primary);
    color: var(--aica-primary);
    transform: translateY(-2px);
    box-shadow: var(--aica-shadow-md);
}

.aica-quick-action .dashicons {
    font-size: 20px;
    width: 20px;
    height: 20px;
}

/* ===== FEATURE FLAGS ===== */
.aica-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.aica-feature-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: white;
    border: 1px solid var(--aica-gray-200);
    border-radius: var(--aica-radius-sm);
}

.aica-feature-card .feature-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--aica-primary-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--aica-primary);
}

.aica-feature-card .feature-content h4 {
    margin: 0 0 4px;
    font-size: 15px;
    font-weight: 600;
}

.aica-feature-card .feature-content p {
    margin: 0;
    font-size: 13px;
    color: var(--aica-gray-500);
}

/* ===== SETTINGS PAGE ===== */
/* Modern Settings Styling */
.aica-settings-section {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin: 30px 0;
}
.aica-settings-section h2 {
    margin: 0 0 10px 0;
    color: #333;
    font-size: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #667eea;
}
.aica-settings-section > p {
    color: #666;
    margin: 0 0 20px 0;
    font-size: 14px;
}
.aica-settings-section table.form-table {
    margin-top: 20px;
}
.aica-settings-section table.form-table th {
    padding: 15px 10px 15px 0;
    font-weight: 600;
    color: #333;
    width: 250px;
}
.aica-settings-section table.form-table td {
    padding: 15px 10px;
}
.aica-settings-section table.form-table tr {
    border-bottom: 1px solid #f0f0f0;
}
.aica-settings-section table.form-table tr:last-child {
    border-bottom: none;
}
.aica-settings-section input[type="text"],
.aica-settings-section input[type="password"],
.aica-settings-section input[type="number"],
.aica-settings-section select,
.aica-settings-section textarea {
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    padding: 8px 30px 8px 12px;
    transition: all 0.2s;
}
.aica-settings-section input[type="text"]:focus,
.aica-settings-section input[type="password"]:focus,
.aica-settings-section input[type="number"]:focus,
.aica-settings-section select:focus,
.aica-settings-section textarea:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    outline: none;
}
.aica-settings-section .description {
    color: #666;
    font-size: 13px;
    font-style: normal;
    margin-top: 5px;
}
.aica-settings-section input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    cursor: pointer;
}
.aica-settings-section input[type="color"] {
    height: 40px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    cursor: pointer;
}

/* Save Button Styling */
.aica-save-section {
    background: #fff;
    padding: 25px 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin: 30px 0;
    text-align: right;
}
.aica-save-section .button-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    transition: all 0.3s;
}
.aica-save-section .button-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
}

/* Section Icons */
.aica-settings-section h2:before {
    margin-right: 10px;
}
.aica-settings-section:nth-child(2) h2:before { content: "⚙️ "; }
.aica-settings-section:nth-child(3) h2:before { content: "🤖 "; }
.aica-settings-section:nth-child(4) h2:before { content: "🔍 "; }
.aica-settings-section:nth-child(5) h2:before { content: "🎨 "; }
.aica-settings-section:nth-child(6) h2:before { content: "✨ "; }
.aica-settings-section:nth-child(7) h2:before { content: "🛡️ "; }