/* Website Speed Analyzer - Main Styles */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-glass: rgba(255, 255, 255, 0.04);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);
    --border-glass: rgba(255, 255, 255, 0.08);
    --text-primary: #f4f4f5;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.4);
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --blur: blur(20px);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --bg-glass-hover: rgba(255, 255, 255, 0.9);
    --border-glass: rgba(0, 0, 0, 0.08);
    --text-primary: #18181b;
    --text-secondary: #52525b;
    --text-muted: #a1a1aa;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

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

html { scroll-behavior: smooth; color-scheme: dark; }
[data-theme="light"] { color-scheme: light; }

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

/* Force dark form controls in dark mode */
[data-theme="dark"] textarea,
[data-theme="dark"] input,
[data-theme="dark"] select {
    color-scheme: dark;
    background-color: #0c0c12;
    color: #f4f4f5;
}

/* Animated Gradient Background */
.bg-gradient {
    position: fixed;
    inset: 0;
    z-index: -1;
    background: var(--bg-primary);
    overflow: hidden;
}

.bg-gradient::before,
.bg-gradient::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.bg-gradient::before {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #6366f1 0%, transparent 70%);
    top: -200px;
    left: -100px;
}

.bg-gradient::after {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #8b5cf6 0%, transparent 70%);
    bottom: -150px;
    right: -100px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.no-animations .bg-gradient::before,
.no-animations .bg-gradient::after { animation: none; }

/* Layout */
.app-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.home-wrap {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    background: rgba(10, 10, 15, 0.8);
    border-bottom: 1px solid var(--border-glass);
    padding: 16px 0;
}

[data-theme="light"] .navbar { background: rgba(248, 250, 252, 0.85); }

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    cursor: pointer;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-btn:hover, .nav-btn.active {
    color: var(--text-primary);
    background: var(--bg-glass-hover);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover { background: var(--bg-glass-hover); color: var(--text-primary); }

/* Glass Card */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow);
}

.no-animations .glass-card { transition: none; }

/* Page Header */
.page-header {
    text-align: center;
    padding: 28px 0 20px;
    animation: fadeInUp 0.6s ease;
}

.page-header h1 {
    font-size: clamp(1.625rem, 3.5vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #fff 30%, #a1a1aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .page-header h1 {
    background: linear-gradient(135deg, #18181b 30%, #52525b);
    -webkit-background-clip: text;
    background-clip: text;
}

.page-header p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.55;
    max-width: 520px;
    margin: 0 auto;
}

.page-header strong {
    color: var(--accent-hover);
    font-weight: 600;
}

/* Feature Pills */
.feature-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.pill i {
    color: var(--accent);
    font-size: 0.75rem;
}

/* Analyze Workspace */
.workspace {
    padding: 0;
    overflow: hidden;
    margin-bottom: 40px;
}

.analyzer-form {
    padding: 24px;
}

.analyzer-form > .field-label {
    margin-bottom: 10px;
}

.analyzer-row {
    display: flex;
    gap: 16px;
    align-items: center;
}

.analyzer-field {
    width: 70%;
    flex: 0 0 70%;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.analyzer-action {
    width: 30%;
    flex: 0 0 30%;
    display: flex;
    align-items: center;
}

.field-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.field-label i { color: var(--accent); }

.url-input {
    display: block;
    width: 100%;
    height: 48px;
    background: #0c0c12;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #f4f4f5;
    font-family: 'Consolas', 'Monaco', var(--font), monospace;
    font-size: 0.875rem;
    padding: 0 14px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    -webkit-appearance: none;
    appearance: none;
}

[data-theme="light"] .url-input {
    background: #ffffff;
    color: #18181b;
    border-color: rgba(0, 0, 0, 0.12);
}

.url-input::placeholder {
    color: #52525b;
    opacity: 1;
}

.url-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-analyze {
    width: 100%;
    height: auto;
    min-height: 48px;
    max-height: none;
    flex-direction: row;
    gap: 8px;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
    justify-content: center;
    align-items: center;
    white-space: nowrap;
}

.btn-analyze i { font-size: 1rem; }

.workspace-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-glass), transparent);
    margin: 0 24px;
}

.results-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px 16px;
    flex-wrap: wrap;
}

.toolbar-title {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.toolbar-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.table-area {
    position: relative;
    padding: 0 16px 20px;
}

.table-area .table-scroll {
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    overflow-x: auto;
    overflow-y: visible;
    background: rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .table-area .table-scroll {
    background: rgba(0, 0, 0, 0.02);
}

.table-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
    border: 1px dashed var(--border-glass);
    border-radius: 12px;
    margin: 0 8px;
}

.table-empty.hidden { display: none; }

.table-empty-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(99, 102, 241, 0.12);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.375rem;
    margin-bottom: 14px;
}

.table-empty p {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.table-empty span {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.table-area.has-rows .table-empty { display: none; }

.table-empty-row td {
    text-align: center;
    padding: 32px 16px !important;
    color: var(--text-muted);
    font-size: 0.875rem;
    border: none !important;
    background: transparent !important;
}

.table-area.has-rows .table-empty-row { display: none; }

.btn-sm {
    padding: 8px 14px;
    font-size: 0.8125rem;
}

.btn-sm span { display: inline; }

.btn-back {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.8125rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.btn-back:hover {
    color: var(--text-primary);
    background: var(--bg-glass-hover);
}

.section-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.card-heading {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.input-num {
    width: 72px;
    text-align: center;
}

.logo-text {
    white-space: nowrap;
}

@media (max-width: 640px) {
    .logo-text { display: none; }
}

.url-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 1rem;
    padding: 12px 16px;
}

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

.device-selector {
    display: flex;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 4px;
    gap: 4px;
}

.device-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    font-family: var(--font);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.device-btn.active {
    background: var(--accent);
    color: white;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    color: white;
    border: none;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-secondary:hover { background: var(--bg-glass-hover); }

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

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

/* Sections */
.section { display: none; padding: 24px 0 48px; animation: fadeIn 0.4s ease; }
.section.active { display: block; }
#homeSection { padding-top: 8px; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Score Ring */
.score-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.score-ring {
    position: relative;
    width: 180px;
    height: 180px;
}

.score-ring svg {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

.score-ring circle {
    fill: none;
    stroke-width: 10;
    stroke-linecap: round;
}

.score-ring .bg { stroke: var(--border-glass); }
.score-ring .progress {
    stroke: var(--success);
    transition: stroke-dashoffset 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.score-value {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.score-number {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

.score-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.metric-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    padding: 20px;
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.15);
}

.metric-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.metric-value small {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-secondary);
}

/* Results Layout */
.results-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 24px;
}

.results-sidebar { position: sticky; top: 100px; align-self: start; }

.results-main { display: flex; flex-direction: column; gap: 24px; }

/* Tabs */
.tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-glass);
    border-radius: var(--radius-sm);
    padding: 4px;
    margin-bottom: 24px;
    overflow-x: auto;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: 8px;
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.tab-btn.active {
    background: var(--accent);
    color: white;
}

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.3s ease; }

/* Resource Table */
.table-controls {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.search-input, .filter-select {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 10px 16px;
    font-family: var(--font);
    font-size: 0.875rem;
    outline: none;
    transition: var(--transition);
}

.search-input { flex: 1; min-width: 200px; }
.search-input:focus, .filter-select:focus { border-color: var(--accent); }

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-glass);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}

.data-table th {
    background: rgba(99, 102, 241, 0.1);
    color: #d4d4d8;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.6875rem;
    letter-spacing: 0.06em;
    padding: 14px 16px;
    text-align: left;
    white-space: nowrap;
    user-select: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .data-table th {
    background: rgba(99, 102, 241, 0.08);
    color: #3f3f46;
}

.data-table th i {
    margin-right: 4px;
    opacity: 0.7;
}

.data-table th:hover { color: var(--text-primary); }

.data-table td {
    padding: 14px 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    vertical-align: middle;
}

.data-table tbody tr:nth-child(even) td {
    background: rgba(255, 255, 255, 0.02);
}

.data-table tr:hover td { background: rgba(99, 102, 241, 0.08); }

.data-table .url-cell {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--accent);
}

.type-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
}

.type-badge.image { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.type-badge.css { background: rgba(99, 102, 241, 0.15); color: var(--accent); }
.type-badge.js { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.type-badge.font { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }
.type-badge.other { background: var(--bg-glass); color: var(--text-muted); }

.status-ok { color: var(--success); }
.status-error { color: var(--danger); }

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
}

.page-btn {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}

.page-btn:hover, .page-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* Recommendations */
.rec-list { display: flex; flex-direction: column; gap: 12px; }

.rec-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.rec-item:hover { border-color: rgba(255, 255, 255, 0.12); }

.rec-priority {
    flex-shrink: 0;
    width: 8px;
    border-radius: 4px;
}

.rec-priority.critical { background: var(--danger); }
.rec-priority.high { background: var(--warning); }
.rec-priority.medium { background: var(--accent); }
.rec-priority.low { background: var(--text-muted); }

.rec-content h4 { font-size: 0.9375rem; margin-bottom: 4px; }
.rec-content p { font-size: 0.8125rem; color: var(--text-secondary); }
.rec-category {
    font-size: 0.6875rem;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Charts */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 24px;
}

.chart-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    padding: 24px;
}

.chart-card h3 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.chart-container { position: relative; height: 280px; }

/* History */
.history-filters {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

/* Compare */
.compare-form {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: end;
    margin-bottom: 32px;
}

.compare-input-group label {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.compare-vs {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-muted);
    padding-bottom: 12px;
}

.compare-results {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.compare-metric {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-glass);
}

.compare-metric .winner { color: var(--success); font-weight: 700; }

/* Settings */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-glass);
}

.setting-label { font-weight: 500; }
.setting-desc { font-size: 0.8125rem; color: var(--text-muted); }

.toggle {
    position: relative;
    width: 48px;
    height: 26px;
    background: var(--border-glass);
    border-radius: 13px;
    cursor: pointer;
    transition: var(--transition);
}

.toggle.active { background: var(--accent); }

.toggle::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
}

.toggle.active::after { transform: translateX(22px); }

/* Loading Skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--bg-glass) 25%, var(--bg-glass-hover) 50%, var(--bg-glass) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

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

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: var(--blur);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 24px;
}

.loading-overlay.active { display: flex; }

.loader {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-glass);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-text { color: var(--text-secondary); font-size: 0.9375rem; }

.progress-bar-container {
    width: 300px;
    height: 4px;
    background: var(--border-glass);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), #8b5cf6);
    width: 0%;
    transition: width 0.3s ease;
    animation: progressPulse 2s ease infinite;
}

@keyframes progressPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Preview */
.site-preview {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.site-favicon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    object-fit: contain;
}

.site-info h2 { font-size: 1.25rem; margin-bottom: 4px; }
.site-info p { font-size: 0.875rem; color: var(--text-secondary); word-break: break-all; }

.preview-image {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin-top: 12px;
}

/* Export buttons */
.export-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

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

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    box-shadow: var(--shadow);
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.hidden { display: none !important; }
.hide-mobile { display: table-cell; }

/* Test Results Table Section */
.test-table-section {
    margin-bottom: 48px;
    padding: 20px;
}

.test-table-section .section-header {
    margin-bottom: 16px;
}

.test-table-section .section-title {
    font-size: 1.25rem;
}

.empty-msg i {
    display: block;
    font-size: 1.5rem;
    margin-bottom: 8px;
    opacity: 0.5;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 8px;
    background: var(--accent);
    color: white;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 8px;
    vertical-align: middle;
}

.table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -4px;
    padding: 4px;
}

.workspace.glass-card {
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.35);
}

[data-theme="light"] .workspace.glass-card {
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
}

.test-results-table { min-width: 600px; width: 100%; }

.col-perf { width: 120px; text-align: center; }
.col-load { width: 140px; text-align: center; }
.col-actions { width: 100px; text-align: center; }

.test-results-table td.col-perf,
.test-results-table th.col-perf,
.test-results-table td:nth-child(2),
.test-results-table td:nth-child(3),
.test-results-table td:nth-child(4),
.test-results-table th.col-load {
    text-align: center;
}

.link-cell a {
    color: var(--accent-hover);
    text-decoration: none;
    word-break: break-all;
    font-size: 0.8125rem;
    line-height: 1.4;
}

.link-cell a:hover { text-decoration: underline; }

.perf-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 32px;
    padding: 0 12px;
    border-radius: 8px;
    font-weight: 800;
    font-size: 0.9375rem;
    color: var(--perf-color, #22c55e);
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.table-site strong {
    display: block;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.table-site small {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.score-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    font-weight: 800;
    font-size: 1rem;
}

.table-actions {
    display: flex;
    gap: 6px;
    flex-wrap: nowrap;
}

.btn-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

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

.btn-icon-danger:hover {
    background: var(--danger);
    border-color: var(--danger);
}

.empty-msg {
    text-align: center;
    color: var(--text-muted);
    padding: 24px;
    font-size: 0.875rem;
}

.device-badge {
    font-size: 0.8125rem;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Dual Score Row */
.dual-score-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 16px;
    margin-bottom: 24px;
    align-items: stretch;
}

.dual-score-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    text-align: center;
}

.dual-score-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.dual-score-avg {
    justify-content: center;
    min-width: 120px;
}

.avg-score-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.avg-score-display span {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.avg-score-display small {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.score-ring-sm {
    width: 140px;
    height: 140px;
}

.score-ring-sm .score-number {
    font-size: 2rem;
}

.dual-score-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Device View Switcher */
.device-switch-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 12px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.device-switch-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-right: 4px;
}

.device-view-btn {
    background: transparent;
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    font-family: var(--font);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.device-view-btn.active,
.device-view-btn:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.metric-value-sm {
    font-size: 0.875rem !important;
    word-break: break-word;
}

/* Responsive — Tablet */
@media (max-width: 1024px) {
    .results-layout { grid-template-columns: 1fr; }
    .results-sidebar { position: static; }
    .charts-grid { grid-template-columns: 1fr; }
    .dual-score-row { grid-template-columns: 1fr 1fr 1fr; }
    .app-container { padding: 0 16px; }
    .section-header { flex-direction: column; align-items: flex-start; }
    .export-bar { width: 100%; }
}

/* Responsive — Mobile */
@media (max-width: 768px) {
    .navbar { padding: 12px 0; }
    .navbar-inner { padding: 0 12px; gap: 8px; }
    .logo { font-size: 1rem; }
    .logo-icon { width: 32px; height: 32px; font-size: 14px; }
    .nav-links { display: none; }
    .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-glass);
        padding: 12px;
        z-index: 200;
        box-shadow: var(--shadow);
    }
    .nav-btn { width: 100%; justify-content: flex-start; padding: 12px 16px; }
    .mobile-menu-btn { display: flex !important; }
    .page-header { padding: 24px 0 16px; }
    .page-header h1 { font-size: 1.5rem; }
    .page-header p { font-size: 0.875rem; }
    .feature-pills { gap: 8px; margin-bottom: 20px; }
    .pill { font-size: 0.75rem; padding: 6px 12px; }
    .analyzer-row {
        flex-direction: column;
        gap: 14px;
    }
    .analyzer-field {
        width: 100%;
        flex: 1 1 100%;
    }
    .analyzer-action {
        width: 100%;
        flex: 1 1 100%;
        justify-content: center;
    }
    .btn-analyze {
        width: auto;
        min-width: 160px;
        padding: 12px 24px;
    }
    .workspace-divider { margin: 0 16px; }
    .analyzer-form { padding: 16px; }
    .results-toolbar { padding: 16px; flex-direction: column; align-items: stretch; }
    .toolbar-actions { width: 100%; }
    .toolbar-actions .btn-sm { flex: 1; justify-content: center; }
    .table-area { padding: 0 8px 16px; }
    .compare-form { grid-template-columns: 1fr; }
    .compare-vs { text-align: center; padding: 0; }
    .compare-results { grid-template-columns: 1fr; }
    .metrics-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .metric-card { padding: 14px; }
    .metric-value { font-size: 1.125rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-value { font-size: 1.5rem; }
    .dual-score-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .dual-score-avg { order: -1; }
    .score-ring { width: 140px; height: 140px; }
    .score-number { font-size: 2.25rem; }
    .site-preview { flex-direction: column; align-items: flex-start; }
    .tabs { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
    .tab-btn { padding: 8px 14px; font-size: 0.8125rem; }
    .section-title { font-size: 1.375rem; }
    .test-table-section { padding: 16px; margin-top: 32px; }
    .toast-container { left: 16px; right: 16px; bottom: 16px; }
    .toast { font-size: 0.8125rem; }
    .loading-overlay .progress-bar-container { width: 90%; max-width: 280px; }
    .hide-mobile { display: none !important; }

    /* Card-style table on mobile */
    .test-results-table thead { display: none; }
    .test-results-table,
    .test-results-table tbody,
    .test-results-table tr,
    .test-results-table td { display: block; width: 100%; }
    .test-results-table { min-width: unset; }
    .test-results-table tr {
        background: var(--bg-glass);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-sm);
        margin-bottom: 12px;
        padding: 12px;
    }
    .test-results-table td {
        border: none;
        padding: 6px 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        text-align: right;
    }
    .test-results-table td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 0.75rem;
        color: var(--text-muted);
        text-transform: uppercase;
        text-align: left;
        flex-shrink: 0;
    }
    .test-results-table td.link-cell {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
        padding-bottom: 12px;
        margin-bottom: 8px;
        border-bottom: 1px solid var(--border-glass);
    }
    .test-results-table td.link-cell::before { display: none; }
    .test-results-table td:last-child::before { display: none; }
    .test-results-table .table-actions { justify-content: flex-end; width: 100%; }
}

/* Responsive — Small phones */
@media (max-width: 480px) {
    .metrics-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .charts-grid { grid-template-columns: 1fr; }
    .chart-container { height: 220px; }
    .settings-grid { grid-template-columns: 1fr; }
    .export-bar .btn-secondary { flex: 1; justify-content: center; min-width: 0; }
}

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 8px;
}