/* ============================================
   AI仪表选型工具 - 工业科技风样式
   南京碧盾环保
   ============================================ */

/* === CSS Variables === */
:root {
    --bg-primary: #0a0e17;
    --bg-card: #111827;
    --bg-card-hover: #1a2332;
    --bg-input: #0d1117;
    --accent: #00d4aa;
    --accent-dim: rgba(0, 212, 170, 0.15);
    --accent-glow: rgba(0, 212, 170, 0.3);
    --accent-glow-strong: rgba(0, 212, 170, 0.5);
    --blue: #3b82f6;
    --blue-dim: rgba(59, 130, 246, 0.15);
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --border: #1f2937;
    --border-light: #374151;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #10b981;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --font: 'DM Sans', -apple-system, 'Microsoft YaHei', 'PingFang SC', sans-serif;
    --transition: all 0.25s ease;
}

/* === 亮色主题 === */
[data-theme="light"] {
    --bg-primary: #f0f4f8;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-input: #ffffff;
    --accent: #0d9488;
    --accent-dim: rgba(13, 148, 136, 0.1);
    --accent-glow: rgba(13, 148, 136, 0.2);
    --accent-glow-strong: rgba(13, 148, 136, 0.35);
    --blue: #2563eb;
    --blue-dim: rgba(37, 99, 235, 0.1);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --border-light: #cbd5e1;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
[data-theme="light"] .navbar::after {
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.4;
}
[data-theme="light"] .brand-text h1 { color: #0f172a; }
[data-theme="light"] .brand-text span { color: var(--text-secondary); }
[data-theme="light"] .nav-tab { color: var(--text-secondary); }
[data-theme="light"] .nav-tab:hover { color: var(--accent); background: var(--accent-dim); }
[data-theme="light"] .nav-tab.active { color: var(--accent); }
[data-theme="light"] .nav-tab.active::after { background: var(--accent); }
[data-theme="light"] .nav-theme-btn,
[data-theme="light"] .nav-settings { color: var(--text-secondary); }
[data-theme="light"] .nav-theme-btn:hover,
[data-theme="light"] .nav-settings:hover { color: var(--accent); background: var(--accent-dim); }

[data-theme="light"] .panel-hero h2 { color: #0f172a; }
[data-theme="light"] .panel-hero p { color: var(--text-secondary); }
[data-theme="light"] .hero-glow {
    background: radial-gradient(ellipse at center, rgba(13, 148, 136, 0.08) 0%, transparent 70%);
}

[data-theme="light"] .card {
    border: 1px solid var(--border);
}
[data-theme="light"] .form-label { color: var(--text-primary); }
[data-theme="light"] input, [data-theme="light"] select, [data-theme="light"] textarea {
    background: var(--bg-input);
    border-color: var(--border);
    color: var(--text-primary);
}
[data-theme="light"] input::placeholder, [data-theme="light"] textarea::placeholder { color: var(--text-muted); }
[data-theme="light"] input:focus, [data-theme="light"] select:focus, [data-theme="light"] textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}
[data-theme="light"] select option { background: #fff; color: #333; }

[data-theme="light"] .toggle-slider { background: #cbd5e1; }
[data-theme="light"] .toggle input:checked + .toggle-slider { background: var(--accent); }

[data-theme="light"] .btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 8px var(--accent-glow);
}
[data-theme="light"] .btn-primary:hover {
    box-shadow: 0 4px 16px var(--accent-glow-strong);
}

[data-theme="light"] .filter-tag {
    background: #fff;
    border-color: var(--border);
    color: var(--text-secondary);
}
[data-theme="light"] .filter-tag:hover { border-color: var(--accent); color: var(--accent); }
[data-theme="light"] .filter-tag.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

[data-theme="light"] .instrument-card {
    border: 1px solid var(--border);
    background: #fff;
}
[data-theme="light"] .instrument-card:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

[data-theme="light"] .result-card {
    border: 1px solid var(--border);
    background: #fff;
}

[data-theme="light"] .data-table thead { background: #f1f5f9; }
[data-theme="light"] .data-table th { color: var(--text-primary); border-bottom: 2px solid var(--border); }
[data-theme="light"] .data-table td { color: var(--text-primary); border-bottom: 1px solid var(--border); }
[data-theme="light"] .data-table tbody tr:nth-child(even) { background: #f8fafc; }
[data-theme="light"] .data-table tbody tr:hover { background: var(--accent-dim); }

[data-theme="light"] .chat-container { background: #fff; border: 1px solid var(--border); }
[data-theme="light"] .ai-message .message-content { background: #f1f5f9; color: var(--text-primary); }
[data-theme="light"] .user-message .message-content { background: var(--accent); color: #fff; }

[data-theme="light"] .ai-status-bar { background: #f8fafc; border: 1px solid var(--border); }
[data-theme="light"] .quick-q-btn { background: #fff; border-color: var(--border); color: var(--accent); }
[data-theme="light"] .quick-q-btn:hover { background: var(--accent-dim); border-color: var(--accent); }

[data-theme="light"] .chat-input-area textarea {
    background: #fff;
    border-color: var(--border);
    color: var(--text-primary);
}

[data-theme="light"] .modal-backdrop { background: rgba(0, 0, 0, 0.4); }
[data-theme="light"] .modal-content {
    background: #fff;
    border: 1px solid var(--border);
}
[data-theme="light"] .modal-header { border-bottom: 1px solid var(--border); }
[data-theme="light"] .modal-header h3 { color: #0f172a; }

[data-theme="light"] .ai-config-status { background: #f8fafc; }
[data-theme="light"] .config-form .form-group label { color: var(--text-primary); }
[data-theme="light"] .config-form .form-group input,
[data-theme="light"] .config-form .form-group select {
    background: #fff;
    border-color: var(--border);
    color: var(--text-primary);
}
[data-theme="light"] .config-form .form-group input:focus,
[data-theme="light"] .config-form .form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}
[data-theme="light"] .btn-secondary { background: #fff; border-color: var(--border); color: var(--text-secondary); }
[data-theme="light"] .btn-secondary:hover { background: #f8fafc; }
[data-theme="light"] .ai-test-result { background: #f8fafc; }

[data-theme="light"] .ai-analysis-box { border: 1px solid var(--border); background: #fff; }
[data-theme="light"] .ai-analysis-content { color: var(--text-primary); }

[data-theme="light"] .empty-state { color: var(--text-muted); }
[data-theme="light"] .loading-spinner { border-color: var(--border); border-top-color: var(--accent); }

[data-theme="light"] .toast { color: #fff; }
[data-theme="light"] .toast-success { background: var(--success); }
[data-theme="light"] .toast-error { background: var(--danger); }
[data-theme="light"] .toast-warning { background: var(--warning); }

[data-theme="light"] .detail-field { border-bottom: 1px solid var(--border); }
[data-theme="light"] .detail-label { color: var(--text-secondary); }
[data-theme="light"] .detail-value { color: var(--text-primary); }

[data-theme="light"] .search-box { background: #fff; border-color: var(--border); }
[data-theme="light"] .search-box input { background: transparent; color: var(--text-primary); }
[data-theme="light"] .search-box svg { color: var(--text-muted); }

[data-theme="light"] .history-table-wrap { border: 1px solid var(--border); background: #fff; }

/* 主题切换按钮样式 */
.nav-actions { display: flex; align-items: center; gap: 8px; }
.nav-theme-btn {
    background: rgba(255,255,255,0.05);
    border: none;
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.nav-theme-btn:hover { background: rgba(255,255,255,0.1); color: var(--accent); }

/* === Reset === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #374151;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4b5563;
}

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

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px var(--accent-glow); }
    50% { box-shadow: 0 0 20px var(--accent-glow); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

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

@keyframes slideDown {
    from { opacity: 0; max-height: 0; }
    to { opacity: 1; max-height: 500px; }
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(40px); }
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-20px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-8px); opacity: 1; }
}

@keyframes borderGlow {
    0%, 100% { border-color: rgba(0, 212, 170, 0.2); }
    50% { border-color: rgba(0, 212, 170, 0.5); }
}

/* ==================== NAVBAR ==================== */
.navbar {
    background: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 0 0 var(--accent-glow), 0 4px 20px rgba(0, 0, 0, 0.3);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--accent-dim);
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: var(--radius-sm);
}

.brand-text h1 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.3px;
    line-height: 1.3;
}

.brand-text span {
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.nav-tabs {
    display: flex;
    gap: 2px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.nav-tabs::-webkit-scrollbar {
    display: none;
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
    position: relative;
}

.nav-tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-tab.active {
    color: var(--accent);
    font-weight: 600;
    background: var(--accent-dim);
}

.nav-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
    box-shadow: 0 0 8px var(--accent-glow);
}

.nav-tab svg {
    flex-shrink: 0;
}

.nav-settings {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.nav-settings:hover {
    background: var(--accent-dim);
    border-color: rgba(0, 212, 170, 0.3);
    color: var(--accent);
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    min-height: calc(100vh - 64px);
}

.panel {
    display: none;
    animation: fadeIn 0.35s ease;
}

.panel.active {
    display: block;
}

/* ==================== PANEL HERO ==================== */
.panel-hero {
    position: relative;
    margin-bottom: 28px;
    padding: 32px 0 0;
    overflow: hidden;
}

.panel-hero h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    position: relative;
    z-index: 1;
}

.panel-hero p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    position: relative;
    z-index: 1;
}

.hero-glow {
    position: absolute;
    top: -40px;
    left: -60px;
    width: 300px;
    height: 200px;
    background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
    opacity: 0.3;
    pointer-events: none;
}

/* ==================== CARD ==================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    animation: fadeIn 0.4s ease;
}

.card:hover {
    border-color: var(--border-light);
}

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

.form-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-label svg {
    flex-shrink: 0;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 8px;
}

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

.form-group:last-child {
    margin-bottom: 0;
}

.form-select,
.form-input,
textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: var(--font);
    color: var(--text-primary);
    background: var(--bg-input);
    transition: var(--transition);
    outline: none;
}

.form-select:focus,
.form-input:focus,
textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim), 0 0 12px rgba(0, 212, 170, 0.1);
}

.form-select::placeholder,
.form-input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236b7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea {
    resize: vertical;
    min-height: 80px;
    line-height: 1.7;
}

.range-input {
    display: flex;
    align-items: center;
    gap: 8px;
}

.range-input .form-input {
    flex: 1;
}

.range-separator {
    color: var(--text-muted);
    font-weight: 500;
}

/* === Toggle Switch === */
.toggle-switch {
    display: flex;
    align-items: center;
}

.toggle-switch input[type="checkbox"] {
    display: none;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.toggle-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.toggle-text.on {
    color: var(--accent);
    font-weight: 500;
}

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

.toggle-slider {
    position: relative;
    width: 44px;
    height: 24px;
    background: #374151;
    border-radius: 12px;
    transition: var(--transition);
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: #9ca3af;
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.toggle-switch input:checked + .toggle-label .toggle-slider {
    background: var(--accent-dim);
    border: 1px solid rgba(0, 212, 170, 0.3);
}

.toggle-switch input:checked + .toggle-label .toggle-slider::after {
    transform: translateX(20px);
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

/* ==================== BUTTONS ==================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    background: linear-gradient(135deg, #00d4aa, #00b894);
    color: #0a0e17;
    box-shadow: 0 2px 12px rgba(0, 212, 170, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 4px 20px rgba(0, 212, 170, 0.4);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0) scale(0.97);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-glow {
    animation: glow 3s ease-in-out infinite;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

.btn-outline {
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
}

.btn-success {
    padding: 6px 14px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-sm);
    color: var(--success);
    font-size: 0.8rem;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-success:hover {
    background: rgba(16, 185, 129, 0.25);
}

.btn-danger {
    padding: 6px 14px;
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-sm);
    color: var(--danger);
    font-size: 0.8rem;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
}

.btn-detail {
    flex: 1;
    padding: 8px 0;
    text-align: center;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--accent);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}

.btn-detail:hover {
    background: var(--accent-dim);
    border-color: rgba(0, 212, 170, 0.3);
}

/* AI Analysis Button */
.btn-ai {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 600;
    font-family: var(--font);
    transition: var(--transition);
    box-shadow: 0 2px 12px rgba(102, 126, 234, 0.3);
}

.btn-ai:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.5);
}

.btn-ai:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ==================== ACTION BAR ==================== */
.action-bar {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin: 24px 0 8px;
}

/* ==================== LOADING ==================== */
.loading-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 0;
}

.loading-spinner {
    width: 44px;
    height: 44px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    box-shadow: 0 0 12px var(--accent-glow);
}

.loading-text {
    margin-top: 16px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ==================== ERROR MESSAGE ==================== */
.error-message {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-left: 4px solid var(--danger);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    color: var(--danger);
    font-size: 0.9rem;
    margin: 16px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.error-message::before {
    content: '!';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: var(--danger);
    color: #fff;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* ==================== RESULTS AREA ==================== */
.results-area {
    margin-top: 28px;
    animation: fadeIn 0.4s ease;
}

.results-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.results-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.result-badge {
    background: var(--accent-dim);
    color: var(--accent);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(0, 212, 170, 0.2);
}

/* ==================== RESULT CARDS (Smart Select) ==================== */
.results-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 16px;
}

.result-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
    animation: fadeInUp 0.4s ease;
}

.result-card:hover {
    border-color: rgba(0, 212, 170, 0.3);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(0, 212, 170, 0.1);
    transform: translateY(-2px);
}

.result-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 18px 20px 12px;
}

.result-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.result-card-usage {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Match Score Circle */
.match-score {
    position: relative;
    width: 56px;
    height: 56px;
    flex-shrink: 0;
}

.match-score svg {
    transform: rotate(-90deg);
}

.match-score-bg {
    fill: none;
    stroke: var(--border);
    stroke-width: 4;
}

.match-score-fill {
    fill: none;
    stroke-width: 4;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.8s ease;
}

.match-score-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.75rem;
    font-weight: 700;
}

.match-high .match-score-fill { stroke: var(--accent); }
.match-high .match-score-text { color: var(--accent); }

.match-medium .match-score-fill { stroke: var(--warning); }
.match-medium .match-score-text { color: var(--warning); }

.match-low .match-score-fill { stroke: var(--danger); }
.match-low .match-score-text { color: var(--danger); }

/* Type Tags */
.type-tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 6px;
}

.type-tag-flow { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.2); }
.type-tag-level { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.2); }
.type-tag-pressure { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.2); }
.type-tag-temp { background: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.2); }
.type-tag-quality { background: rgba(139, 92, 246, 0.15); color: #a78bfa; border: 1px solid rgba(139, 92, 246, 0.2); }
.type-tag-valve { background: rgba(6, 182, 212, 0.15); color: #22d3ee; border: 1px solid rgba(6, 182, 212, 0.2); }
.type-tag-default { background: rgba(107, 114, 128, 0.15); color: #9ca3af; border: 1px solid rgba(107, 114, 128, 0.2); }

.result-card-body {
    padding: 0 20px 16px;
}

.match-details {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
}

.match-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.match-item .icon-check {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.9rem;
}

.match-item .icon-cross {
    color: var(--danger);
    font-weight: 700;
    font-size: 0.9rem;
}

.match-item .icon-warn {
    color: var(--warning);
    font-weight: 700;
    font-size: 0.9rem;
}

.result-card-brand {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.result-card-brand strong {
    color: var(--text-secondary);
}

.result-card-actions {
    display: flex;
    gap: 8px;
}

/* Expandable Detail */
.result-card-detail {
    display: none;
    padding: 16px 20px;
    background: var(--bg-input);
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.result-card-detail.show {
    display: block;
    animation: slideDown 0.3s ease;
}

.detail-spec-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 24px;
}

.detail-spec-item {
    display: flex;
    gap: 8px;
}

.detail-spec-label {
    color: var(--text-muted);
    min-width: 80px;
}

.detail-spec-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* ==================== CONDITION SELECT ==================== */
.condition-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    animation: fadeIn 0.4s ease;
}

.condition-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 8px;
}

.form-column {
    background: var(--bg-input);
    padding: 24px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.column-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

/* ==================== DATA TABLE ==================== */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-card);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table thead {
    background: rgba(0, 212, 170, 0.06);
    border-bottom: 1px solid var(--border);
}

.data-table thead th {
    padding: 12px 14px;
    color: var(--accent);
    font-weight: 600;
    text-align: left;
    white-space: nowrap;
    font-size: 0.82rem;
    letter-spacing: 0.3px;
}

.data-table tbody tr {
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.data-table tbody tr:nth-child(even) {
    background: rgba(13, 17, 23, 0.5);
}

.data-table tbody tr:hover {
    background: rgba(0, 212, 170, 0.04);
}

.data-table tbody td {
    padding: 12px 14px;
    color: var(--text-primary);
    vertical-align: middle;
}

/* Match Badge (table) */
.match-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
}

.match-badge-high {
    background: rgba(0, 212, 170, 0.15);
    color: var(--accent);
    border: 1px solid rgba(0, 212, 170, 0.2);
}

.match-badge-medium {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.match-badge-low {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ==================== INSTRUMENT LIBRARY ==================== */
.lib-toolbar {
    margin-bottom: 20px;
}

.search-box {
    position: relative;
    max-width: 480px;
    margin-bottom: 16px;
}

.search-box svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 11px 14px 11px 42px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: var(--font);
    color: var(--text-primary);
    background: var(--bg-card);
    outline: none;
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim), 0 0 12px rgba(0, 212, 170, 0.1);
}

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

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-tag {
    padding: 7px 18px;
    border: 1px solid var(--border);
    border-radius: 24px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}

.filter-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
}

.filter-tag.active {
    background: var(--accent-dim);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 8px rgba(0, 212, 170, 0.15);
}

/* Instrument Grid */
.instrument-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.lib-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 20px;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.4s ease;
}

.lib-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--blue));
    opacity: 0;
    transition: var(--transition);
}

.lib-card:hover {
    border-color: rgba(0, 212, 170, 0.3);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(0, 212, 170, 0.1);
    transform: translateY(-2px);
}

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

.lib-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 14px;
}

.lib-card-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.lib-card-params {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 14px;
}

.lib-param-item {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.lib-param-item span {
    color: var(--text-muted);
}

.lib-card-brand {
    font-size: 0.8rem;
    color: var(--text-muted);
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.lib-card-condition {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 6px;
    line-height: 1.5;
}

/* ==================== HISTORY ==================== */
.history-toolbar {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 20px;
}

.history-toolbar .search-box {
    flex: 1;
    max-width: 400px;
    margin-bottom: 0;
}

/* Status Tags */
.status-tag {
    display: inline-flex;
    align-items: center;
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
}

.status-pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-confirmed {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-purchased {
    background: rgba(59, 130, 246, 0.15);
    color: var(--blue);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* ==================== EMPTY STATE ==================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 64px 0;
    color: var(--text-muted);
}

.empty-state p {
    margin-top: 16px;
    font-size: 0.95rem;
}

/* ==================== MODAL ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1;
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-width: 640px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0, 212, 170, 0.1);
    z-index: 10;
    animation: modalSlideIn 0.3s ease;
}

.modal-lg {
    max-width: 700px;
}

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

.modal-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding: 16px 24px;
    border-top: 1px solid var(--border);
}

/* ==================== TOAST ==================== */
.toast-container {
    position: fixed;
    top: 80px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    font-size: 0.88rem;
    color: var(--text-primary);
    animation: toastIn 0.3s ease;
    min-width: 280px;
    border-left: 4px solid var(--accent);
}

.toast.toast-error {
    border-left-color: var(--danger);
}

.toast.toast-warning {
    border-left-color: var(--warning);
}

.toast.toast-out {
    animation: toastOut 0.3s ease forwards;
}

/* ==================== AI CHAT ==================== */
.ai-status-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    border: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.ai-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
}

.ai-status-dot.active {
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

.ai-status-dot.inactive {
    background: var(--warning);
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.3);
}

/* Chat Container */
.chat-container {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
}

.chat-messages {
    height: 450px;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Chat Messages */
.chat-message {
    display: flex;
    gap: 12px;
    max-width: 85%;
    animation: fadeInUp 0.3s ease;
}

.chat-message.user-message {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-message.ai-message {
    align-self: flex-start;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    flex-shrink: 0;
}

.user-message .message-avatar {
    background: linear-gradient(135deg, #00d4aa, #00b894);
    color: #0a0e17;
}

.ai-message .message-avatar {
    background: rgba(102, 126, 234, 0.2);
    border: 1px solid rgba(102, 126, 234, 0.3);
    color: #a78bfa;
}

.message-content {
    padding: 12px 16px;
    border-radius: 12px;
    line-height: 1.6;
    font-size: 0.9rem;
}

.user-message .message-content {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.2), rgba(0, 184, 148, 0.15));
    border: 1px solid rgba(0, 212, 170, 0.2);
    color: var(--text-primary);
    border-bottom-right-radius: 4px;
}

.ai-message .message-content {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.ai-message .message-content p { margin: 8px 0; }
.ai-message .message-content p:first-child { margin-top: 0; }
.ai-message .message-content ul { padding-left: 20px; margin: 8px 0; }
.ai-message .message-content li { margin: 4px 0; }
.ai-message .message-content strong { color: var(--accent); }
.ai-message .message-content code {
    background: rgba(0, 212, 170, 0.08);
    border: 1px solid rgba(0, 212, 170, 0.15);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--accent);
}

/* Typing Indicator */
.chat-message .typing-indicator {
    display: flex;
    gap: 4px;
    padding: 4px 0;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

/* Quick Questions */
.quick-questions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0;
}

.quick-q-btn {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}

.quick-q-btn:hover {
    background: var(--accent-dim);
    border-color: rgba(0, 212, 170, 0.3);
    color: var(--accent);
}

/* Chat Input Area */
.chat-input-area {
    display: flex;
    gap: 12px;
    margin-top: 12px;
    align-items: flex-end;
}

.chat-input-area textarea {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: var(--font);
    resize: none;
    outline: none;
    transition: var(--transition);
    line-height: 1.5;
    background: var(--bg-card);
}

.chat-input-area textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim), 0 0 12px rgba(0, 212, 170, 0.1);
}

/* Markdown Rendering in Chat */
.message-content h1, .message-content h2, .message-content h3 {
    color: var(--accent);
    margin: 12px 0 8px;
}

.message-content h1 { font-size: 1.05rem; }
.message-content h2 { font-size: 1rem; }
.message-content h3 { font-size: 0.95rem; }

.message-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 8px 0;
    font-size: 0.85rem;
}

.message-content th, .message-content td {
    border: 1px solid var(--border);
    padding: 6px 10px;
    text-align: left;
}

.message-content th {
    background: rgba(0, 212, 170, 0.06);
    font-weight: 600;
    color: var(--accent);
}

.message-content pre {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
    overflow-x: auto;
    margin: 8px 0;
    font-size: 0.85rem;
    line-height: 1.5;
}

.message-content pre code {
    background: none;
    border: none;
    padding: 0;
    border-radius: 0;
    color: var(--text-primary);
}

/* ==================== AI SETTINGS MODAL ==================== */
.ai-config-status {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    font-size: 0.88rem;
}

.status-badge {
    font-weight: 600;
}

.status-ok { color: var(--accent); }
.status-warn { color: var(--warning); }
.status-err { color: var(--danger); }

.config-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.config-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.config-form .form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.config-form .form-group input,
.config-form .form-group select {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: var(--font);
    outline: none;
    background: var(--bg-input);
    color: var(--text-primary);
    transition: var(--transition);
}

.config-form .form-group input:focus,
.config-form .form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group {
    flex: 1;
}

.input-with-toggle {
    display: flex;
    gap: 8px;
}

.input-with-toggle input {
    flex: 1;
}

.model-select-wrapper {
    position: relative;
    width: 100%;
}

.model-select-wrapper .model-select-input {
    width: 100%;
    padding-right: 44px;
    box-sizing: border-box;
}

.model-select-wrapper .model-fetch-btn {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 38px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    border-left: 1px solid var(--border);
    z-index: 1;
}

.btn-icon {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    cursor: pointer;
    font-size: 16px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--accent-dim);
    border-color: rgba(0, 212, 170, 0.3);
    color: var(--accent);
}

.config-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    justify-content: flex-end;
}

.ai-test-result {
    margin-top: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    border: 1px solid var(--border);
    font-size: 0.85rem;
}

.config-import-export {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    justify-content: center;
}

/* ==================== AI ANALYSIS BOX ==================== */
.ai-analysis-box {
    margin-top: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    animation: fadeIn 0.4s ease;
}

.ai-analysis-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
    border-bottom: 1px solid var(--border);
}

.ai-badge {
    background: linear-gradient(135deg, #667eea, #764ba2);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: bold;
    color: #fff;
    letter-spacing: 1px;
}

.ai-analysis-header h4 {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.ai-analysis-content {
    padding: 20px;
    line-height: 1.6;
    font-size: 0.9rem;
    max-height: 600px;
    overflow-y: auto;
    color: var(--text-primary);
}

.ai-analysis-content > *:first-child { margin-top: 0; }
.ai-analysis-content > *:last-child { margin-bottom: 0; }

.ai-analysis-content table,
table.ai-table {
    width: 100%;
    border-collapse: collapse;
    margin: 8px 0;
    font-size: 0.85rem;
}

.ai-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 8px 0 12px;
    border-radius: var(--radius-sm);
}

.ai-analysis-content th,
.ai-analysis-content td,
table.ai-table th,
table.ai-table td {
    border: 1px solid var(--border);
    padding: 6px 10px;
    text-align: left;
    white-space: nowrap;
}

.ai-analysis-content th,
table.ai-table th {
    background: rgba(0, 212, 170, 0.06);
    font-weight: 600;
    color: var(--accent);
    position: sticky;
    top: 0;
}

table.ai-table tbody tr:nth-child(even) {
    background: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] table.ai-table tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}

/* AI内容列表样式 */
.ai-analysis-content ul,
.ai-analysis-content ol {
    margin: 8px 0;
    padding-left: 20px;
}

.ai-analysis-content li {
    margin: 4px 0;
    line-height: 1.6;
}

.ai-analysis-content p {
    margin: 8px 0;
    line-height: 1.7;
}

.ai-analysis-content h2,
.ai-analysis-content h3,
.ai-analysis-content h4,
.ai-analysis-content h5 {
    color: var(--accent);
    margin: 16px 0 8px;
    line-height: 1.4;
}

.ai-analysis-content h2 { font-size: 1.05rem; font-weight: 700; }
.ai-analysis-content h3 { font-size: 1rem; font-weight: 600; }
.ai-analysis-content h4 { font-size: 0.95rem; font-weight: 600; }
.ai-analysis-content h5 { font-size: 0.9rem; font-weight: 600; }

.ai-analysis-content strong { color: var(--accent); }
.ai-analysis-content em { font-style: italic; }

.ai-analysis-content code {
    background: rgba(0, 212, 170, 0.08);
    border: 1px solid rgba(0, 212, 170, 0.15);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--accent);
}

.ai-analysis-content pre {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
    overflow-x: auto;
    margin: 8px 0;
    font-size: 0.85rem;
    -webkit-overflow-scrolling: touch;
}

.ai-analysis-content pre code {
    background: none;
    border: none;
    padding: 0;
}

.ai-analysis-content pre code {
    background: none;
    border: none;
    padding: 0;
    color: var(--text-primary);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .instrument-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .results-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        height: auto;
        padding: 8px 12px 0;
        gap: 0;
        align-items: center;
    }

    /* 品牌和操作按钮挤在第一行 */
    .nav-brand {
        flex: 1;
        min-width: 0;
    }

    .nav-actions {
        order: 0;
        gap: 4px;
    }

    .brand-icon {
        width: 30px;
        height: 30px;
    }

    .brand-icon svg {
        width: 22px;
        height: 22px;
    }

    .brand-text h1 {
        font-size: 0.9rem;
    }

    .brand-text span {
        font-size: 0.62rem;
    }

    .nav-theme-btn,
    .nav-settings {
        width: 30px;
        height: 30px;
    }

    /* 标签页占满第二行 */
    .nav-tabs {
        order: 1;
        flex-basis: 100%;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin-top: 6px;
        padding-bottom: 2px;
    }

    .nav-tab {
        padding: 7px 14px;
        font-size: 0.8rem;
        border-radius: 8px 8px 0 0;
    }

    .nav-tab svg {
        display: none;
    }

    .main-content {
        padding: 12px;
    }

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

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

    .detail-spec-grid {
        grid-template-columns: 1fr;
    }

    .history-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .history-toolbar .search-box {
        max-width: 100%;
    }

    .action-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .action-bar .btn-primary,
    .action-bar .btn-secondary {
        justify-content: center;
    }

    .data-table {
        font-size: 0.78rem;
    }

    .data-table thead th,
    .data-table tbody td {
        padding: 8px 10px;
    }

    .panel-hero {
        padding: 20px 0 0;
    }

    .panel-hero h2 {
        font-size: 1.3rem;
    }

    /* AI分析移动端适配 */
    .ai-analysis-content {
        padding: 14px;
        font-size: 0.85rem;
        max-height: none;
        overflow-y: visible;
    }

    .ai-analysis-header {
        padding: 12px 14px;
    }

    .ai-analysis-header h4 {
        font-size: 0.88rem;
    }

    table.ai-table {
        font-size: 0.78rem;
    }

    table.ai-table th,
    table.ai-table td {
        padding: 5px 8px;
    }

    /* 结果卡片移动端 */
    .result-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .result-card-header .match-score-circle {
        align-self: flex-end;
    }

    .result-card-actions {
        flex-direction: column;
    }

    .result-card-actions .btn-detail {
        width: 100%;
        text-align: center;
    }

    /* 配置弹窗移动端 */
    .modal-content {
        margin: 8px;
        max-height: 90vh;
    }

    .config-form {
        padding: 16px;
    }

    .config-import-export {
        flex-wrap: wrap;
    }

    /* 知识库表格移动端 */
    .data-table-wrap {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

@media (max-width: 480px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .brand-text h1 {
        font-size: 1rem;
    }

    .brand-text span {
        font-size: 0.68rem;
    }

    .form-row {
        flex-direction: column;
    }
}

/* ==================== UTILITY ==================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }
.hidden { display: none !important; }