/* Quinto Robot Management - Professional Industrial Theme */

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #fafbfc;
    --bg-tertiary: #f4f6f8;
    --border-color: #d1d9e0;
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --text-tertiary: #a0aec0;
    --accent-primary: #1e40af;
    --accent-hover: #1e3a8a;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 4px 0 rgba(0, 0, 0, 0.06);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 14px;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    background: var(--bg-primary);
    min-height: 100vh;
}

/* Header */
.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 32px;
}

.header h1 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
    letter-spacing: -0.02em;
}

.header p {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Navigation */
.tabs {
    display: flex;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    gap: 0;
}

.tab {
    padding: 12px 24px;
    background: transparent;
    border: none;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all 0.15s ease;
}

.tab:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

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

/* Language selector */
.language-selector {
    display: flex;
    gap: 4px;
}

.lang-btn {
    padding: 4px 10px;
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.15s;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.lang-btn.active {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.content {
    min-height: 500px;
}

/* Dashboard */
.dashboard {
    padding: 24px 32px;
}

.welcome-section {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.welcome-section h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.welcome-section p {
    font-size: 13px;
    color: var(--text-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.stat-icon {
    font-size: 24px;
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 11px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
    font-weight: 500;
}

.stat-value {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1;
}

.stat-detail {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Actions */
.actions-section h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.action-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px;
}

.action-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 16px;
    display: flex;
    gap: 12px;
    text-decoration: none;
    transition: all 0.15s;
}

.action-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.action-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.action-content h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.action-content p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Buttons */
.btn {
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: 3px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
}

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

.btn-success:hover:not(:disabled) {
    background: #047857;
}

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

.btn-danger:hover:not(:disabled) {
    background: #b91c1c;
}

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

.btn-warning:hover:not(:disabled) {
    background: #b45309;
}

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

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

/* Forms */
.controls {
    padding: 12px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 8px;
    align-items: center;
}

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

.search-box input {
    width: 100%;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    font-size: 13px;
    background: var(--bg-primary);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    font-size: 13px;
    font-family: inherit;
    background: var(--bg-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

/* Toast */
#toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--text-primary);
    color: white;
    padding: 10px 16px;
    border-radius: 3px;
    box-shadow: var(--shadow-md);
    font-size: 13px;
    transform: translateX(400px);
    opacity: 0;
    transition: all 0.2s;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--warning); }
.toast-info { background: var(--accent-primary); }

/* Loading */
.loading {
    text-align: center;
    padding: 32px;
    color: var(--text-secondary);
    font-size: 13px;
}

.spinner {
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    animation: spin 0.8s linear infinite;
    margin: 16px auto;
}

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

/* Empty state */
.empty-state {
    text-align: center;
    padding: 48px 16px;
    color: var(--text-tertiary);
}

.empty-state h2 {
    font-size: 32px;
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 13px;
}

/* Items */
.item-list {
    padding: 24px 32px;
}

.cache-item,
.rag-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 16px;
    margin-bottom: 8px;
}

.cache-item-header,
.rag-item-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 8px;
}

.cache-item-id,
.rag-item-id {
    background: var(--accent-primary);
    color: white;
    padding: 2px 8px;
    border-radius: 2px;
    font-size: 11px;
    font-weight: 600;
}

.cache-item-question,
.rag-item-title {
    flex: 1;
    margin: 0 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.cache-item-response,
.rag-item-content {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
    margin: 8px 0;
}

.cache-item-meta,
.rag-item-meta {
    display: flex;
    gap: 8px;
    font-size: 11px;
    color: var(--text-tertiary);
}

.meta-tag {
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 2px;
    font-weight: 500;
}

.meta-tag.has-audio { background: var(--success); color: white; }
.meta-tag.has-gesture { background: var(--warning); color: white; }
.meta-tag.has-multimedia { background: var(--accent-primary); color: white; }

.item-actions {
    display: flex;
    gap: 6px;
}

/* Chat */
.chat-container {
    display: flex;
    flex-direction: column;
    padding: 24px 32px;
    height: calc(100vh - 280px);
    min-height: 500px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 16px;
}

.chat-message {
    margin-bottom: 12px;
}

.message-user { text-align: right; }
.message-bot { text-align: left; }

.message-bubble {
    display: inline-block;
    max-width: 70%;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 13px;
}

.message-user .message-bubble {
    background: var(--accent-primary);
    color: white;
}

.message-bot .message-bubble {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.message-meta {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.chat-input-area {
    display: flex;
    gap: 8px;
}

.chat-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    font-size: 13px;
}

.chat-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.chat-options {
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 12px;
    display: flex;
    gap: 16px;
    align-items: center;
}

/* Upload */
.upload-area {
    border: 1px dashed var(--border-color);
    border-radius: 4px;
    padding: 32px;
    text-align: center;
    cursor: pointer;
    margin-bottom: 16px;
}

.upload-area:hover {
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
}

.upload-icon {
    font-size: 32px;
    color: var(--text-tertiary);
    margin-bottom: 8px;
}

/* Config */
.config-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 16px;
    margin-bottom: 12px;
}

.config-section h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard, .item-list, .chat-container {
        padding: 16px;
    }

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

    .tabs {
        flex-wrap: wrap;
    }
}