/* ──────────────────────────────────────────────
   YouTube Video SEO Checker — Page-Specific CSS
   Uses shared component classes from tools.css
   ────────────────────────────────────────────── */

/* ── Social proof line ── */
.seo-social-proof {
    text-align: center;
    color: var(--color-gray-500, #64748b);
    font-size: var(--font-size-sm, 14px);
    margin-top: var(--space-3, 12px);
}
.seo-social-proof i {
    color: var(--color-primary, #4F46E5);
    margin-right: 6px;
}

/* ── Section title (FAQ) ── */
.seo-section-title {
    font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
    font-size: var(--font-size-xl, 24px);
    font-weight: 700;
    color: var(--color-gray-900, #0f172a);
    margin-bottom: var(--space-6, 24px);
}

/* ── Input Section ── */
.seo-input-section {
    margin-bottom: var(--space-8, 32px);
}
.seo-input-section__title {
    font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
    font-size: var(--font-size-lg, 18px);
    font-weight: 700;
    color: var(--color-gray-900, #0f172a);
    margin: 0 0 var(--space-2, 8px);
}
.seo-input-section__hint {
    font-size: var(--font-size-sm, 14px);
    color: var(--color-gray-500, #64748b);
    margin: 0 0 var(--space-6, 24px);
}

.seo-keyword-row {
    margin-bottom: var(--space-4, 16px);
}
.seo-keyword-row .form-control {
    border: 2px solid var(--color-primary, #4F46E5);
    font-weight: 600;
}
.seo-keyword-row .form-control:focus {
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}
.seo-required {
    color: var(--color-danger, #dc2626);
    font-weight: 700;
}
.seo-field-hint {
    display: block;
    font-size: var(--font-size-xs, 12px);
    color: var(--color-gray-400, #94a3b8);
    margin-top: 4px;
}

.seo-textarea {
    font-family: var(--font-body, 'Inter', sans-serif);
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}
.seo-textarea--small {
    min-height: 72px;
}

.seo-char-counter {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-size-xs, 12px);
    color: var(--color-gray-400, #94a3b8);
    margin-top: 4px;
}
.seo-char-hint {
    font-weight: 500;
}
.seo-char-hint--good {
    color: var(--color-success, #16a34a);
}
.seo-char-hint--warn {
    color: var(--color-warning, #ea580c);
}
.seo-tag-hint {
    font-weight: 400;
    color: var(--color-gray-400, #94a3b8);
    font-size: var(--font-size-xs, 12px);
}

/* ── Results Section ── */
.seo-results {
    border-top: 1px solid var(--color-gray-200, #e2e8f0);
    padding-top: var(--space-8, 32px);
}

/* ── Score Hero (ring + grade + verdict) ── */
.seo-score-hero {
    display: flex;
    align-items: center;
    gap: var(--space-6, 24px);
    margin-bottom: var(--space-8, 32px);
    padding: var(--space-6, 24px);
    background: var(--color-gray-50, #f8fafc);
    border-radius: 12px;
}

.seo-score-ring {
    position: relative;
    width: 120px;
    height: 120px;
    flex-shrink: 0;
}
.seo-score-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}
.seo-score-bg {
    fill: none;
    stroke: var(--color-gray-200, #e2e8f0);
    stroke-width: 8;
}
.seo-score-fill {
    fill: none;
    stroke: var(--color-primary, #4F46E5);
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.4s ease, stroke 0.3s ease;
}
.seo-score-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}
.seo-score-number {
    display: block;
    font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
    font-size: 32px;
    font-weight: 800;
    color: var(--color-gray-900, #0f172a);
    line-height: 1;
}
.seo-score-label {
    display: block;
    font-size: var(--font-size-xs, 12px);
    color: var(--color-gray-500, #64748b);
    margin-top: 2px;
}

.seo-score-meta {
    flex: 1;
}
.seo-grade {
    font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
    font-size: 40px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--space-2, 8px);
    transition: color 0.3s ease;
}
.seo-verdict {
    font-size: var(--font-size-sm, 14px);
    color: var(--color-gray-600, #475569);
    line-height: 1.5;
}

/* ── Category Scores ── */
.seo-category-scores {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4, 16px);
    margin-bottom: var(--space-8, 32px);
}
.seo-category {
    background: var(--color-white, #fff);
    border: 1px solid var(--color-gray-200, #e2e8f0);
    border-radius: 8px;
    padding: var(--space-4, 16px);
    transition: box-shadow 150ms ease;
}
.seo-category:hover {
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.1));
}
.seo-category__header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: var(--space-2, 8px);
}
.seo-category__icon {
    color: var(--color-primary, #4F46E5);
    font-size: var(--font-size-sm, 14px);
    width: 20px;
    text-align: center;
}
.seo-category__name {
    font-weight: 600;
    font-size: var(--font-size-sm, 14px);
    color: var(--color-gray-700, #334155);
    flex: 1;
}
.seo-category__score {
    font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
    font-weight: 700;
    font-size: var(--font-size-sm, 14px);
    color: var(--color-gray-900, #0f172a);
}
.seo-category__bar {
    height: 6px;
    background: var(--color-gray-100, #f1f5f9);
    border-radius: 3px;
    overflow: hidden;
}
.seo-category__fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.4s ease, background 0.3s ease;
    width: 0;
}

/* ── Quick Wins ── */
.seo-quick-wins {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.04), rgba(79, 70, 229, 0.08));
    border: 1px solid rgba(79, 70, 229, 0.15);
    border-radius: 10px;
    padding: var(--space-5, 20px);
    margin-bottom: var(--space-8, 32px);
}
.seo-quick-wins__title {
    font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
    font-size: var(--font-size-base, 16px);
    font-weight: 700;
    color: var(--color-primary, #4F46E5);
    margin: 0 0 var(--space-3, 12px);
}
.seo-quick-wins__title i {
    margin-right: 6px;
}
.seo-quick-win {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: var(--space-2, 8px) 0;
    font-size: var(--font-size-sm, 14px);
    color: var(--color-gray-700, #334155);
    line-height: 1.5;
}
.seo-quick-win + .seo-quick-win {
    border-top: 1px solid rgba(79, 70, 229, 0.08);
}
.seo-quick-win__icon {
    color: var(--color-warning, #ea580c);
    margin-top: 2px;
    flex-shrink: 0;
}

/* ── Checklist ── */
.seo-checklist {
    margin-bottom: var(--space-8, 32px);
}
.seo-checklist__title {
    font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
    font-size: var(--font-size-lg, 18px);
    font-weight: 700;
    color: var(--color-gray-900, #0f172a);
    margin: 0 0 var(--space-6, 24px);
}
.seo-checklist__group {
    margin-bottom: var(--space-6, 24px);
}
.seo-checklist__group-title {
    font-size: var(--font-size-sm, 14px);
    font-weight: 700;
    color: var(--color-gray-600, #475569);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 var(--space-3, 12px);
}
.seo-checklist__group-title i {
    color: var(--color-primary, #4F46E5);
    margin-right: 6px;
    width: 16px;
    text-align: center;
}
.seo-checklist__items {
    list-style: none;
    margin: 0;
    padding: 0;
}
.seo-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: var(--space-2, 8px) var(--space-3, 12px);
    border-radius: 6px;
    font-size: var(--font-size-sm, 14px);
    line-height: 1.5;
    transition: background 150ms ease;
}
.seo-check:hover {
    background: var(--color-gray-50, #f8fafc);
}
.seo-check__icon {
    margin-top: 2px;
    flex-shrink: 0;
    font-size: var(--font-size-sm, 14px);
}
.seo-check--pass .seo-check__icon {
    color: var(--color-success, #16a34a);
}
.seo-check--warn .seo-check__icon {
    color: var(--color-warning, #ea580c);
}
.seo-check--fail .seo-check__icon {
    color: var(--color-danger, #dc2626);
}
.seo-check__text {
    color: var(--color-gray-700, #334155);
}

/* ── Action Buttons ── */
.seo-actions {
    display: flex;
    gap: var(--space-3, 12px);
    padding-top: var(--space-4, 16px);
    border-top: 1px solid var(--color-gray-200, #e2e8f0);
}
.seo-action-btn {
    font-size: var(--font-size-sm, 14px);
}
.seo-action-btn--success {
    color: var(--color-success, #16a34a) !important;
    border-color: var(--color-success, #16a34a) !important;
}

/* ── Mobile Title Preview ── */
.seo-title-preview {
    margin-bottom: var(--space-6, 24px);
    padding: var(--space-5, 20px);
    background: var(--color-gray-50, #f8fafc);
    border-radius: 10px;
    border: 1px solid var(--color-gray-200, #e2e8f0);
}
.seo-title-preview__heading {
    font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
    font-size: var(--font-size-sm, 14px);
    font-weight: 700;
    color: var(--color-gray-700, #334155);
    margin: 0 0 var(--space-1, 4px);
}
.seo-title-preview__heading i {
    color: var(--color-primary, #4F46E5);
    margin-right: 6px;
}
.seo-title-preview__hint {
    font-size: var(--font-size-xs, 12px);
    color: var(--color-gray-400, #94a3b8);
    margin: 0 0 var(--space-4, 16px);
}
.seo-preview-card {
    display: flex;
    gap: var(--space-3, 12px);
    background: var(--color-white, #fff);
    border-radius: 8px;
    padding: var(--space-3, 12px);
    border: 1px solid var(--color-gray-200, #e2e8f0);
    max-width: 400px;
}
.seo-preview-card__thumbnail {
    width: 120px;
    height: 68px;
    background: var(--color-gray-200, #e2e8f0);
    border-radius: 6px;
    flex-shrink: 0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.seo-preview-card__play {
    color: var(--color-white, #fff);
    background: rgba(0, 0, 0, 0.6);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
}
.seo-preview-card__duration {
    position: absolute;
    bottom: 4px;
    right: 4px;
    background: rgba(0, 0, 0, 0.8);
    color: var(--color-white, #fff);
    font-size: 10px;
    padding: 1px 4px;
    border-radius: 3px;
    font-weight: 500;
}
.seo-preview-card__info {
    flex: 1;
    min-width: 0;
}
.seo-preview-card__title {
    font-size: var(--font-size-sm, 14px);
    font-weight: 600;
    color: var(--color-gray-900, #0f172a);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 4px;
}
.seo-preview-card__channel {
    font-size: var(--font-size-xs, 12px);
    color: var(--color-gray-500, #64748b);
    margin-bottom: 2px;
}
.seo-preview-card__meta {
    font-size: var(--font-size-xs, 12px);
    color: var(--color-gray-400, #94a3b8);
}

/* ── Score History ── */
.seo-score-history {
    background: var(--color-gray-50, #f8fafc);
    border: 1px solid var(--color-gray-200, #e2e8f0);
    border-radius: 10px;
    padding: var(--space-5, 20px);
    margin-bottom: var(--space-8, 32px);
}
.seo-score-history__title {
    font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
    font-size: var(--font-size-base, 16px);
    font-weight: 700;
    color: var(--color-gray-900, #0f172a);
    margin: 0 0 var(--space-4, 16px);
}
.seo-score-history__title i {
    color: var(--color-primary, #4F46E5);
    margin-right: 6px;
}
.seo-score-history__note {
    font-size: var(--font-size-xs, 12px);
    color: var(--color-gray-400, #94a3b8);
    margin: var(--space-3, 12px) 0 0;
}
.seo-history-entries {
    display: flex;
    flex-direction: column;
    gap: var(--space-2, 8px);
}
.seo-history-entry {
    display: flex;
    align-items: center;
    gap: var(--space-3, 12px);
    padding: var(--space-2, 8px) var(--space-3, 12px);
    background: var(--color-white, #fff);
    border-radius: 6px;
    border: 1px solid var(--color-gray-100, #f1f5f9);
}
.seo-history-entry__score {
    font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
    font-size: var(--font-size-lg, 18px);
    font-weight: 800;
    min-width: 36px;
    text-align: center;
}
.seo-history-entry__info {
    flex: 1;
    min-width: 0;
}
.seo-history-entry__title {
    font-size: var(--font-size-sm, 14px);
    font-weight: 500;
    color: var(--color-gray-700, #334155);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.seo-history-entry__meta {
    font-size: var(--font-size-xs, 12px);
    color: var(--color-gray-400, #94a3b8);
}

/* ── Mobile Responsive ── */
@media (max-width: 767px) {
    .seo-score-hero {
        flex-direction: column;
        text-align: center;
        padding: var(--space-4, 16px);
        gap: var(--space-4, 16px);
    }
    .seo-score-ring {
        width: 100px;
        height: 100px;
    }
    .seo-score-number {
        font-size: 26px;
    }
    .seo-grade {
        font-size: 32px;
    }
    .seo-category-scores {
        grid-template-columns: 1fr;
    }
    .seo-category {
        padding: var(--space-3, 12px);
    }
    .seo-quick-wins {
        padding: var(--space-4, 16px);
    }
    .seo-actions {
        flex-direction: column;
    }
    .seo-actions .button {
        width: 100%;
        justify-content: center;
    }
    .seo-input-section__title {
        font-size: var(--font-size-base, 16px);
    }
    .seo-title-preview {
        padding: var(--space-4, 16px);
    }
    .seo-preview-card {
        max-width: 100%;
    }
    .seo-score-history {
        padding: var(--space-4, 16px);
    }
    .seo-history-entry__title {
        max-width: 200px;
    }
}