/* SEO Checker — Redesigned: hero-first, immersive, dashboard-driven */

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #0f172a;
    background: #f8fafc;
    -webkit-font-smoothing: antialiased;
}

/* ═══════════════════════════════════════
   HERO — Full-width gradient search bar
   ═══════════════════════════════════════ */
/* Matter.js physics host — behind hero content */
.seo-matter-host {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}
.seo-matter-host canvas {
    display: block;
    position: relative;
    z-index: 0;
}

/* Breadcrumbs */
.seo-breadcrumbs {
    padding-top: var(--header-height-desktop, 72px);
    background: #f1f5f9;
    border-bottom: 1px solid #e2e8f0;
    position: relative;
    z-index: 5;
}
@media (max-width: 991px) {
    .seo-breadcrumbs { padding-top: var(--header-height-mobile, 64px); }
}
.seo-breadcrumbs-inner {
    max-width: 840px;
    margin: 0 auto;
    padding: 0.625rem 2rem;
    font-size: 0.8125rem;
    color: #94a3b8;
}
@media (max-width: 640px) {
    .seo-breadcrumbs-inner { padding: 0.5rem 1rem; }
}
.seo-breadcrumbs a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.15s;
}
.seo-breadcrumbs a:hover { color: #0f172a; text-decoration: underline; }
.seo-breadcrumb-sep {
    margin: 0 0.375rem;
    color: #cbd5e1;
}
.seo-breadcrumb-current {
    color: #0f172a;
    font-weight: 500;
}
[data-theme="dark"] .seo-breadcrumbs { background: #0f172a; border-bottom-color: rgba(255,255,255,0.06); }
[data-theme="dark"] .seo-breadcrumbs a { color: #94a3b8; }
[data-theme="dark"] .seo-breadcrumbs a:hover { color: #e2e8f0; }
[data-theme="dark"] .seo-breadcrumb-sep { color: #475569; }
[data-theme="dark"] .seo-breadcrumb-current { color: #e2e8f0; }

.seo-hero {
    min-height: 45vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #312e81 100%);
    padding: 3rem 1.5rem 4rem;
    position: relative;
    overflow: hidden;
}
.seo-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99,102,241,0.15) 0%, transparent 70%);
    pointer-events: none;
}
.seo-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139,92,246,0.1) 0%, transparent 70%);
    pointer-events: none;
}
.seo-hero-inner {
    max-width: 650px;
    width: 100%;
    text-align: center;
    position: relative;
    z-index: 1;
}
.seo-hero-title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
    line-height: 1.1;
}
.seo-hero-sub {
    font-size: 1.05rem;
    color: #94a3b8;
    margin-bottom: 2rem;
    font-weight: 400;
}

/* Search bar */
.seo-search-bar {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 14px;
    padding: 0.35rem;
    box-shadow: 0 4px 24px rgba(0,0,0,0.2), 0 0 0 1px rgba(255,255,255,0.06);
    transition: box-shadow 0.2s;
}
.seo-search-bar:focus-within {
    box-shadow: 0 4px 32px rgba(99,102,241,0.25), 0 0 0 2px rgba(99,102,241,0.3);
}
.seo-search-icon {
    width: 20px;
    height: 20px;
    color: #94a3b8;
    margin: 0 0.5rem 0 0.85rem;
    flex-shrink: 0;
}
.seo-search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1rem;
    font-family: 'JetBrains Mono', monospace;
    color: #1e293b;
    background: transparent;
    padding: 0.65rem 0.5rem;
    min-width: 0;
}
.seo-search-input::placeholder { color: #cbd5e1; }
.seo-search-btn {
    padding: 0.65rem 1.6rem;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: transform 0.12s, box-shadow 0.12s;
}
.seo-search-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(99,102,241,0.4);
}
.seo-search-btn:active { transform: translateY(0); }
.seo-search-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

/* Advanced options */
.seo-advanced-toggle {
    margin-top: 0.75rem;
}
.seo-advanced-btn {
    background: none;
    border: none;
    color: #64748b;
    font-size: 0.78rem;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.seo-advanced-btn:hover { color: #94a3b8; }
.seo-advanced-panel {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    margin-top: 0.6rem;
    padding: 0.75rem 1rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
}
.seo-advanced-panel label {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.78rem;
    color: #94a3b8;
    cursor: pointer;
    white-space: nowrap;
}
.seo-advanced-panel input[type="checkbox"] {
    accent-color: #6366f1;
    width: 14px;
    height: 14px;
}

/* Error — persistent, user must navigate away */
.seo-error-msg {
    display: none;
    margin-top: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: rgba(239,68,68,0.15);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: 8px;
    color: #fca5a5;
    font-size: 0.82rem;
    text-align: center;
}

/* Feature pills */
.seo-hero-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}
.seo-hero-features span {
    padding: 0.3rem 0.7rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    font-size: 0.72rem;
    color: #94a3b8;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* History */
.seo-history {
    margin-top: 1.5rem;
}
.seo-history-title {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748b;
    margin-bottom: 0.5rem;
}
.seo-history-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    justify-content: center;
}
.seo-history-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.7rem;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.12s, border-color 0.12s;
    cursor: pointer;
}
.seo-history-item:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(99,102,241,0.3);
}
.seo-history-score {
    font-size: 0.85rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}
.seo-history-domain {
    font-size: 0.78rem;
    color: #e2e8f0;
    font-family: 'JetBrains Mono', monospace;
}
.seo-history-pages {
    font-size: 0.68rem;
    color: #64748b;
}
.seo-history-date {
    font-size: 0.65rem;
    color: #475569;
}

/* ═══════════════════════════════════════
   PROGRESS — Immersive crawl state
   ═══════════════════════════════════════ */
.seo-progress-container {
    max-width: 500px;
    margin: 0 auto;
    padding: calc(72px + 4rem) 2.5rem 2.5rem;
    text-align: center;
}
.seo-progress-visual {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
}
.seo-pulse-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    background: #6366f1;
    border-radius: 50%;
}
.seo-pulse-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 3px solid #6366f1;
    border-radius: 50%;
    opacity: 0;
    animation: seo-pulse 1.8s ease-out infinite;
}
@keyframes seo-pulse {
    0% { transform: scale(0.4); opacity: 0.6; }
    100% { transform: scale(1); opacity: 0; }
}
.seo-progress-info { margin-top: 0.5rem; }
.seo-progress-label {
    font-size: 0.9rem;
    color: #475569;
    margin-bottom: 0.75rem;
    font-weight: 500;
}
.seo-progress-track {
    width: 100%;
    height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
    overflow: hidden;
}
.seo-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    border-radius: 2px;
    transition: width 0.4s ease;
    width: 0%;
}
.seo-progress-url {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: #6366f1;
    margin-bottom: 0.75rem;
    word-break: break-all;
}
.seo-cancel-btn {
    margin-top: 1rem;
    padding: 0.35rem 1rem;
    background: none;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 0.78rem;
    color: #94a3b8;
    cursor: pointer;
    transition: all 0.12s;
}
.seo-cancel-btn:hover { border-color: #dc2626; color: #dc2626; }
.seo-progress-fill.seo-progress-indeterminate {
    width: 100% !important;
    background: linear-gradient(90deg, #6366f1, #a78bfa, #6366f1);
    background-size: 200% 100%;
    animation: seo-shimmer 1.5s ease-in-out infinite;
}
@keyframes seo-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ═══════════════════════════════════════
   RESULTS — Dashboard
   ═══════════════════════════════════════ */
.seo-results-wrap {
    max-width: 860px;
    margin: 0 auto;
    padding: calc(72px + 1.5rem) 1.5rem 2rem;
}
.seo-results-topbar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}
.seo-results-url {
    flex: 1;
    min-width: 0;
}
.seo-results-url-label {
    font-size: 0.78rem;
    color: #94a3b8;
    font-weight: 500;
}
.seo-results-url-link {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: #6366f1;
    text-decoration: none;
    word-break: break-all;
    margin-left: 0.3rem;
}
.seo-results-url-link:hover { text-decoration: underline; }
.seo-results-meta {
    display: block;
    font-size: 0.72rem;
    color: #94a3b8;
    margin-top: 0.2rem;
}
.seo-results-actions {
    display: flex;
    gap: 0.4rem;
    flex-shrink: 0;
}
.seo-pill-btn {
    padding: 0.4rem 1rem;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #475569;
    cursor: pointer;
    transition: all 0.15s;
}
.seo-pill-btn:hover { background: #f1f5f9; border-color: #cbd5e1; }
.seo-pill-primary {
    background: #6366f1;
    color: #fff;
    border-color: #6366f1;
}
.seo-pill-primary:hover { background: #4f46e5; border-color: #4f46e5; }

/* Share toast */
.seo-share-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.6rem 1.25rem;
    background: #1e293b;
    color: #fff;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    z-index: 9999;
    transition: opacity 0.3s;
}
.seo-toast-fade { opacity: 0; }

/* Dashboard row: score + summary */
.seo-dashboard-row {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}
.seo-score-cell {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 180px;
    padding: 1.5rem;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.05);
}
.seo-score-svg { width: 130px; height: 130px; }

.seo-summary-cell {
    flex: 1;
    display: flex;
    gap: 0.75rem;
}

/* Summary stat cards */
.seo-summary-stat {
    flex: 1;
    padding: 1.25rem 1rem;
    border-radius: 14px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.seo-stat-num {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}
.seo-stat-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    margin-top: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.seo-stat-critical { background: #fef2f2; }
.seo-stat-critical .seo-stat-num { color: #dc2626; }
.seo-stat-critical .seo-stat-label { color: #991b1b; }
.seo-stat-alert { background: #fffbeb; }
.seo-stat-alert .seo-stat-num { color: #f59e0b; }
.seo-stat-alert .seo-stat-label { color: #92400e; }
.seo-stat-warning { background: #fefce8; }
.seo-stat-warning .seo-stat-num { color: #eab308; }
.seo-stat-warning .seo-stat-label { color: #854d0e; }

/* Ad slot */
.seo-ad-slot {
    margin-bottom: 1.5rem;
}

/* ═══════════════════════════════════════
   ISSUE GROUPS
   ═══════════════════════════════════════ */
.seo-issue-group {
    margin-bottom: 0.75rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 2px 8px rgba(0,0,0,0.03);
    overflow: hidden;
}
.seo-group-title {
    padding: 0.7rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-left: 4px solid;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.seo-group-title-critical { border-color: #dc2626; background: #fef2f2; color: #991b1b; }
.seo-group-title-alert { border-color: #f59e0b; background: #fffbeb; color: #92400e; }
.seo-group-title-warning { border-color: #eab308; background: #fefce8; color: #854d0e; }

.seo-issue-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    border-top: 1px solid #f8fafc;
    cursor: pointer;
    transition: background 0.1s;
}
.seo-issue-row:hover { background: #fafbfd; }
.seo-issue-info { flex: 1; min-width: 0; padding-right: 0.5rem; }
.seo-issue-title {
    display: block;
    font-size: 0.84rem;
    font-weight: 500;
    color: #1e293b;
    line-height: 1.3;
}
.seo-issue-desc {
    display: block;
    font-size: 0.7rem;
    color: #94a3b8;
    margin-top: 0.1rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.seo-issue-right {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
}
.seo-issue-count {
    padding: 0.2rem 0.6rem;
    background: #f1f5f9;
    border-radius: 10px;
    font-size: 0.72rem;
    font-weight: 600;
    color: #475569;
    font-variant-numeric: tabular-nums;
}
.seo-issue-arrow {
    width: 16px;
    height: 16px;
    color: #cbd5e1;
    transition: transform 0.12s, color 0.12s;
}
.seo-issue-row:hover .seo-issue-arrow { color: #6366f1; transform: translateX(2px); }
.seo-group-count {
    font-weight: 500;
    font-size: 0.7rem;
    opacity: 0.7;
}

/* Passed checks */
.seo-group-passed { margin-top: 0.5rem; }
.seo-group-title-passed { border-color: #16a34a; background: #f0fdf4; color: #166534; }
.seo-passed-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0.75rem 1rem;
}
.seo-passed-tag {
    padding: 0.2rem 0.55rem;
    background: #f0fdf4;
    color: #16a34a;
    border: 1px solid #bbf7d0;
    border-radius: 10px;
    font-size: 0.68rem;
    font-weight: 500;
}

.seo-no-issues {
    padding: 3rem 2rem;
    text-align: center;
    font-size: 1rem;
    font-weight: 500;
    color: #16a34a;
}

/* ═══════════════════════════════════════
   DRILLDOWN
   ═══════════════════════════════════════ */
.seo-drilldown-wrap {
    max-width: 860px;
    margin: 0 auto;
    padding: calc(72px + 1.5rem) 1.5rem 2rem;
}

/* Back button — prominent, always visible */
.seo-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1.1rem;
    background: #6366f1;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
}
.seo-back-btn:hover { background: #4f46e5; transform: translateX(-2px); }
.seo-back-btn:active { transform: translateX(0); }

.seo-drilldown-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0.75rem 0 0.25rem;
}
.seo-drilldown-desc {
    font-size: 0.85rem;
    color: #64748b;
    margin-bottom: 1rem;
    line-height: 1.5;
}
.seo-pages-header {
    font-size: 0.78rem;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 0.5rem;
}
.seo-pages-list {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 2px 8px rgba(0,0,0,0.03);
    overflow: hidden;
}
.seo-page-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 1rem;
    border-top: 1px solid #f8fafc;
}
.seo-page-row:first-child { border-top: none; }
.seo-page-status {
    flex-shrink: 0;
    width: 36px;
    padding: 0.15rem 0;
    text-align: center;
    border-radius: 5px;
    font-size: 0.7rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}
.seo-status-ok { background: #f0fdf4; color: #16a34a; }
.seo-status-redirect { background: #fffbeb; color: #f59e0b; }
.seo-status-error { background: #fef2f2; color: #dc2626; }
.seo-page-info { min-width: 0; flex: 1; }
.seo-page-title {
    display: block;
    font-size: 0.82rem;
    font-weight: 500;
    color: #1e293b;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.seo-page-url {
    display: block;
    font-size: 0.7rem;
    color: #6366f1;
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.seo-page-url:hover { text-decoration: underline; }

/* Detail button on page rows */
.seo-detail-btn {
    flex-shrink: 0;
    padding: 0.25rem 0.6rem;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    color: #6366f1;
    cursor: pointer;
    transition: all 0.12s;
}
.seo-detail-btn:hover { background: #e0e7ff; border-color: #c7d2fe; }

/* Page detail panel — expands below the row */
.seo-page-detail {
    padding: 1rem 1.25rem;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
    animation: seo-slide-down 0.2s ease;
}
@keyframes seo-slide-down {
    from { opacity: 0; max-height: 0; padding-top: 0; padding-bottom: 0; }
    to { opacity: 1; max-height: 800px; }
}
.seo-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.seo-detail-section h4 {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #94a3b8;
    margin-bottom: 0.4rem;
}
.seo-detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.2rem 0;
    font-size: 0.75rem;
    border-bottom: 1px solid #f1f5f9;
}
.seo-detail-label {
    color: #64748b;
    font-weight: 500;
    flex-shrink: 0;
    margin-right: 0.5rem;
}
.seo-detail-value {
    color: #1e293b;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    text-align: right;
    word-break: break-all;
    min-width: 0;
}
.seo-detail-issues {
    margin-top: 0.75rem;
}
.seo-detail-issues h4 {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #94a3b8;
    margin-bottom: 0.4rem;
}
.seo-detail-issue-tag {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    margin: 0.15rem 0.2rem 0.15rem 0;
    background: #fef2f2;
    color: #dc2626;
    font-size: 0.68rem;
    font-weight: 500;
    border-radius: 10px;
    border: 1px solid #fecaca;
}
.seo-detail-images { margin-top: 0.75rem; }
.seo-detail-images h4 {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #94a3b8;
    margin-bottom: 0.3rem;
}
.seo-detail-img-row {
    display: flex;
    gap: 0.5rem;
    font-size: 0.7rem;
    padding: 0.15rem 0;
    border-bottom: 1px solid #f1f5f9;
}
.seo-detail-img-alt { color: #475569; font-weight: 500; flex-shrink: 0; }
.seo-detail-img-url {
    color: #94a3b8;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}
.seo-detail-close {
    display: block;
    margin: 0.75rem auto 0;
    padding: 0.3rem 1rem;
    background: #e2e8f0;
    border: none;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    color: #475569;
    cursor: pointer;
    transition: background 0.12s;
}
.seo-detail-close:hover { background: #cbd5e1; }

/* ═══════════════════════════════════════
   AI FIX SUGGESTIONS
   ═══════════════════════════════════════ */
.seo-ai-section {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid #f1f5f9;
}
.seo-ai-fix-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1rem;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    border: none;
    border-radius: 7px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.12s, box-shadow 0.12s;
}
.seo-ai-fix-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(99,102,241,0.3);
}
.seo-ai-fix-btn:active { transform: translateY(0); }
.seo-ai-fix-btn:disabled {
    opacity: 0.6;
    cursor: wait;
    transform: none;
    box-shadow: none;
}

.seo-ai-loading {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    font-size: 0.82rem;
    color: #6366f1;
}
.seo-ai-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #e0e7ff;
    border-top-color: #6366f1;
    border-radius: 50%;
    animation: seo-spin 0.6s linear infinite;
}
@keyframes seo-spin {
    to { transform: rotate(360deg); }
}

.seo-ai-response {
    margin-top: 0.5rem;
    border: 1px solid #e0e7ff;
    border-radius: 8px;
    overflow: hidden;
}
.seo-ai-header {
    padding: 0.4rem 0.75rem;
    background: linear-gradient(135deg, #eef2ff, #e0e7ff);
    border-bottom: 1px solid #e0e7ff;
}
.seo-ai-badge {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #4f46e5;
}
.seo-ai-body {
    padding: 0.75rem;
    font-size: 0.82rem;
    line-height: 1.6;
    color: #334155;
}
.seo-ai-body strong { color: #1e293b; }
.seo-ai-code {
    display: block;
    margin: 0.5rem 0;
    padding: 0.6rem 0.75rem;
    background: #1e293b;
    color: #e2e8f0;
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}
.seo-ai-inline {
    padding: 0.1rem 0.35rem;
    background: #f1f5f9;
    border-radius: 3px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: #6366f1;
}
.seo-ai-close {
    display: inline-block;
    margin: 0.5rem 0.75rem 0.5rem;
    padding: 0.2rem 0.6rem;
    background: none;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    font-size: 0.7rem;
    color: #94a3b8;
    cursor: pointer;
}
.seo-ai-close:hover { background: #f1f5f9; color: #475569; }
.seo-ai-error {
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 6px;
    font-size: 0.78rem;
    color: #dc2626;
}

/* Dark mode AI */
[data-theme="dark"] .seo-ai-section { border-top-color: #293548; }
[data-theme="dark"] .seo-ai-loading { color: #818cf8; }
[data-theme="dark"] .seo-ai-spinner { border-color: #312e81; border-top-color: #818cf8; }
[data-theme="dark"] .seo-ai-response { border-color: #312e81; }
[data-theme="dark"] .seo-ai-header { background: linear-gradient(135deg, #1e1b4b, #312e81); border-bottom-color: #312e81; }
[data-theme="dark"] .seo-ai-badge { color: #a5b4fc; }
[data-theme="dark"] .seo-ai-body { color: #cbd5e1; }
[data-theme="dark"] .seo-ai-body strong { color: #e2e8f0; }
[data-theme="dark"] .seo-ai-code { background: #020617; color: #e2e8f0; }
[data-theme="dark"] .seo-ai-inline { background: #1e293b; color: #818cf8; }
[data-theme="dark"] .seo-ai-close { border-color: #334155; color: #64748b; }
[data-theme="dark"] .seo-ai-close:hover { background: #1e293b; color: #94a3b8; }
[data-theme="dark"] .seo-ai-error { background: #451a1a; border-color: #7f1d1d; color: #fca5a5; }

.seo-loading, .seo-error {
    padding: 2rem;
    text-align: center;
    font-size: 0.85rem;
}
.seo-loading { color: #64748b; }
.seo-error { color: #dc2626; }

/* Bottom ad + SEO content */
.seo-bottom-ad {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.seo-seo-content {
    max-width: 860px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}
.seo-seo-inner h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #334155;
    margin-bottom: 0.5rem;
}
.seo-seo-inner p {
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.6;
}
.seo-cross-link {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    border: 1px solid #e2e8f0;
    border-left: 3px solid #6366f1;
    border-radius: 0.375rem;
    background: #f8fafc;
}
.seo-cross-link h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 0.375rem;
}
.seo-cross-link p {
    font-size: 0.8125rem;
    color: #64748b;
    margin: 0;
}
.seo-cross-link a {
    color: #6366f1;
    text-decoration: none;
}
.seo-cross-link a:hover { text-decoration: underline; }

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */
@media (max-width: 680px) {
    .seo-hero { min-height: 40vh; padding: 2rem 1rem 3rem; }
    .seo-hero-title { font-size: 1.8rem; }
    .seo-search-bar { flex-direction: column; padding: 0.5rem; border-radius: 12px; }
    .seo-search-input { width: 100%; padding: 0.6rem; text-align: center; }
    .seo-search-icon { display: none; }
    .seo-search-btn { width: 100%; border-radius: 8px; padding: 0.7rem; }
    .seo-dashboard-row { flex-direction: column; }
    .seo-score-cell { width: 100%; }
    .seo-summary-cell { flex-direction: column; }
    .seo-hero-features { gap: 0.35rem; }
    .seo-hero-features span { font-size: 0.65rem; padding: 0.2rem 0.5rem; }
    .seo-results-topbar { flex-direction: column; }
    .seo-results-actions { width: 100%; justify-content: flex-end; }
    .seo-detail-grid { grid-template-columns: 1fr; }
    .seo-advanced-panel { flex-direction: column; gap: 0.4rem; }
    .seo-hero { padding-top: 2rem; }
    .seo-progress-container { padding-top: calc(64px + 3rem); }
    .seo-results-wrap { padding-top: calc(64px + 1rem); }
    .seo-drilldown-wrap { padding-top: calc(64px + 1rem); }
}

/* ═══════════════════════════════════════
   DARK MODE
   ═══════════════════════════════════════ */
[data-theme="dark"] body { background: #0f172a; color: #e2e8f0; }
[data-theme="dark"] .seo-hero {
    background: linear-gradient(135deg, #020617 0%, #0f172a 40%, #1e1b4b 100%);
}
[data-theme="dark"] .seo-hero-sub { color: #64748b; }
[data-theme="dark"] .seo-search-bar {
    background: #1e293b;
    box-shadow: 0 4px 24px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.05);
}
[data-theme="dark"] .seo-search-bar:focus-within {
    box-shadow: 0 4px 32px rgba(99,102,241,0.2), 0 0 0 2px rgba(99,102,241,0.25);
}
[data-theme="dark"] .seo-search-input { color: #e2e8f0; }
[data-theme="dark"] .seo-search-input::placeholder { color: #475569; }
[data-theme="dark"] .seo-error-msg { background: rgba(239,68,68,0.2); border-color: rgba(239,68,68,0.3); }
[data-theme="dark"] .seo-hero-features span {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.06);
    color: #64748b;
}

[data-theme="dark"] .seo-advanced-btn { color: #64748b; }
[data-theme="dark"] .seo-advanced-panel { background: rgba(255,255,255,0.03); border-color: rgba(255,255,255,0.06); }
[data-theme="dark"] .seo-advanced-panel label { color: #94a3b8; }
[data-theme="dark"] .seo-progress-url { color: #818cf8; }
[data-theme="dark"] .seo-cancel-btn { border-color: #334155; color: #64748b; }
[data-theme="dark"] .seo-cancel-btn:hover { border-color: #f87171; color: #f87171; }
[data-theme="dark"] .seo-progress-label { color: #94a3b8; }
[data-theme="dark"] .seo-progress-track { background: #1e293b; }

[data-theme="dark"] .seo-pill-btn { background: #1e293b; border-color: #334155; color: #94a3b8; }
[data-theme="dark"] .seo-pill-btn:hover { background: #334155; }
[data-theme="dark"] .seo-pill-primary { background: #4f46e5; color: #fff; border-color: #4f46e5; }
[data-theme="dark"] .seo-pill-primary:hover { background: #6366f1; border-color: #6366f1; }
[data-theme="dark"] .seo-share-toast { background: #f8fafc; color: #0f172a; }

[data-theme="dark"] .seo-score-cell {
    background: #1e293b;
    box-shadow: 0 1px 2px rgba(0,0,0,0.2), 0 4px 16px rgba(0,0,0,0.2);
}
[data-theme="dark"] .seo-stat-critical { background: #451a1a; }
[data-theme="dark"] .seo-stat-critical .seo-stat-num { color: #f87171; }
[data-theme="dark"] .seo-stat-critical .seo-stat-label { color: #fca5a5; }
[data-theme="dark"] .seo-stat-alert { background: #451a03; }
[data-theme="dark"] .seo-stat-alert .seo-stat-num { color: #fbbf24; }
[data-theme="dark"] .seo-stat-alert .seo-stat-label { color: #fde68a; }
[data-theme="dark"] .seo-stat-warning { background: #422006; }
[data-theme="dark"] .seo-stat-warning .seo-stat-num { color: #facc15; }
[data-theme="dark"] .seo-stat-warning .seo-stat-label { color: #fef08a; }

[data-theme="dark"] .seo-issue-group {
    background: #1e293b;
    box-shadow: 0 1px 2px rgba(0,0,0,0.2), 0 2px 8px rgba(0,0,0,0.15);
}
[data-theme="dark"] .seo-group-title-critical { background: #451a1a; color: #fca5a5; }
[data-theme="dark"] .seo-group-title-alert { background: #451a03; color: #fde68a; }
[data-theme="dark"] .seo-group-title-warning { background: #422006; color: #fef08a; }
[data-theme="dark"] .seo-results-url-label { color: #64748b; }
[data-theme="dark"] .seo-results-url-link { color: #818cf8; }
[data-theme="dark"] .seo-results-meta { color: #64748b; }
[data-theme="dark"] .seo-issue-row { border-top-color: #293548; }
[data-theme="dark"] .seo-issue-row:hover { background: #0f172a; }
[data-theme="dark"] .seo-issue-title { color: #e2e8f0; }
[data-theme="dark"] .seo-issue-desc { color: #64748b; }
[data-theme="dark"] .seo-issue-count { background: #0f172a; color: #94a3b8; }
[data-theme="dark"] .seo-issue-arrow { color: #475569; }
[data-theme="dark"] .seo-issue-row:hover .seo-issue-arrow { color: #818cf8; }
[data-theme="dark"] .seo-group-title-passed { background: #052e16; color: #4ade80; }
[data-theme="dark"] .seo-passed-tag { background: #052e16; color: #4ade80; border-color: #166534; }

[data-theme="dark"] .seo-back-btn { background: #4f46e5; }
[data-theme="dark"] .seo-back-btn:hover { background: #6366f1; }
[data-theme="dark"] .seo-drilldown-title { color: #e2e8f0; }
[data-theme="dark"] .seo-drilldown-desc { color: #94a3b8; }
[data-theme="dark"] .seo-pages-list {
    background: #1e293b;
    box-shadow: 0 1px 2px rgba(0,0,0,0.2), 0 2px 8px rgba(0,0,0,0.15);
}
[data-theme="dark"] .seo-page-row { border-top-color: #293548; }
[data-theme="dark"] .seo-page-title { color: #e2e8f0; }
[data-theme="dark"] .seo-page-url { color: #818cf8; }
[data-theme="dark"] .seo-status-ok { background: #052e16; color: #4ade80; }
[data-theme="dark"] .seo-status-redirect { background: #451a03; color: #fbbf24; }
[data-theme="dark"] .seo-status-error { background: #451a1a; color: #f87171; }

[data-theme="dark"] .seo-detail-btn { background: #1e293b; border-color: #334155; color: #818cf8; }
[data-theme="dark"] .seo-detail-btn:hover { background: #312e81; border-color: #4338ca; }
[data-theme="dark"] .seo-page-detail { background: #0f172a; border-top-color: #293548; }
[data-theme="dark"] .seo-detail-row { border-bottom-color: #1e293b; }
[data-theme="dark"] .seo-detail-label { color: #94a3b8; }
[data-theme="dark"] .seo-detail-value { color: #e2e8f0; }
[data-theme="dark"] .seo-detail-section h4,
[data-theme="dark"] .seo-detail-issues h4,
[data-theme="dark"] .seo-detail-images h4 { color: #64748b; }
[data-theme="dark"] .seo-detail-issue-tag { background: #451a1a; color: #f87171; border-color: #7f1d1d; }
[data-theme="dark"] .seo-detail-img-row { border-bottom-color: #1e293b; }
[data-theme="dark"] .seo-detail-img-alt { color: #94a3b8; }
[data-theme="dark"] .seo-detail-img-url { color: #64748b; }
[data-theme="dark"] .seo-detail-close { background: #1e293b; color: #94a3b8; }
[data-theme="dark"] .seo-detail-close:hover { background: #334155; }
[data-theme="dark"] .seo-detail-grid { }

[data-theme="dark"] .seo-seo-inner h2 { color: #94a3b8; }
[data-theme="dark"] .seo-seo-inner p { color: #64748b; }
[data-theme="dark"] .seo-cross-link { background: rgba(255,255,255,0.03); border-color: #334155; border-left-color: #818cf8; }
[data-theme="dark"] .seo-cross-link h3 { color: #e2e8f0; }
[data-theme="dark"] .seo-cross-link a { color: #a5b4fc; }