/* SEO Audit AI — Front-end Styles
   Uses CSS custom properties so brand colour is injected server-side */

:root {
  --seo-brand: #6366f1;
  --seo-bg: #080f28;
  --seo-card: #0f1737;
  --seo-border: #1e2d50;
  --seo-text: #f1f5f9;
  --seo-muted: #64748b;
  --seo-subtle: #94a3b8;
  --seo-pass: #10b981;
  --seo-warn: #f59e0b;
  --seo-fail: #ef4444;
  --seo-good: #3b82f6;
  --seo-radius: 14px;
  --seo-font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

.seo-audit-wrap { font-family: var(--seo-font); max-width: 760px; margin: 0 auto; }

/* Dark theme */
.seo-audit-dark { background: var(--seo-bg); padding: 40px 24px; border-radius: 20px; }
.seo-audit-dark .seo-audit-input { background: #0d1530; border-color: var(--seo-border); color: var(--seo-text); }
.seo-audit-dark .seo-audit-input::placeholder { color: #334155; }
.seo-audit-dark .seo-audit-label { color: var(--seo-muted); }
.seo-audit-dark .seo-audit-card { background: var(--seo-card); border-color: var(--seo-border); }
.seo-audit-dark .seo-audit-privacy { background: rgba(255,255,255,.04); border-color: var(--seo-border); color: var(--seo-muted); }

/* Light theme */
.seo-audit-light { background: #f8fafc; padding: 40px 24px; border-radius: 20px; }
.seo-audit-light .seo-audit-input { background: #fff; border-color: #e2e8f0; color: #0f172a; }
.seo-audit-light .seo-audit-input::placeholder { color: #94a3b8; }
.seo-audit-light .seo-audit-label { color: #475569; }
.seo-audit-light .seo-audit-card { background: #fff; border-color: #e2e8f0; }
.seo-audit-light .seo-audit-privacy { background: #f1f5f9; border-color: #e2e8f0; color: #475569; }
.seo-audit-light { --seo-text: #0f172a; --seo-muted: #475569; }

/* Header */
.seo-audit-header { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
.seo-audit-icon {
  width: 44px; height: 44px; border-radius: 11px; font-size: 22px;
  background: linear-gradient(135deg, var(--seo-brand), color-mix(in srgb, var(--seo-brand) 60%, #8b5cf6));
  display: flex; align-items: center; justify-content: center;
}
.seo-audit-eyebrow { font-size: 10px; font-weight: 800; color: var(--seo-brand); letter-spacing: 2px; margin-bottom: 2px; }
.seo-audit-title { font-size: 24px; font-weight: 800; color: var(--seo-text); margin: 0; }
.seo-audit-subtitle { color: var(--seo-muted); font-size: 14px; margin: 0 0 24px; line-height: 1.6; }

/* Form grid */
.seo-audit-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 540px) { .seo-audit-grid-2 { grid-template-columns: 1fr; } }

/* Fields */
.seo-audit-field { margin-bottom: 16px; }
.seo-audit-label { display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.6px; margin-bottom: 6px; }
.seo-audit-label .req { color: var(--seo-fail); }
.seo-audit-optional { font-weight: 400; font-size: 10px; color: var(--seo-muted); letter-spacing: 0; }
.seo-audit-input {
  display: block; width: 100%; padding: 11px 13px; border-radius: 8px;
  border: 1px solid; font-size: 14px; outline: none; font-family: inherit;
  transition: border-color .2s, box-shadow .2s;
  box-sizing: border-box;
}
.seo-audit-input:focus { border-color: var(--seo-brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--seo-brand) 20%, transparent); }
.seo-audit-textarea { resize: vertical; min-height: 80px; }
.seo-audit-field-error { font-size: 11px; color: var(--seo-fail); margin-top: 4px; min-height: 16px; }

/* Privacy notice */
.seo-audit-privacy { font-size: 12px; border: 1px solid; border-radius: 8px; padding: 10px 14px; margin-bottom: 18px; line-height: 1.5; }

/* Alert */
.seo-audit-alert { padding: 12px 16px; border-radius: 8px; font-size: 13px; margin-bottom: 16px;
  background: color-mix(in srgb, var(--seo-fail) 12%, transparent); color: var(--seo-fail); border: 1px solid color-mix(in srgb, var(--seo-fail) 30%, transparent); }

/* Button */
.seo-audit-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 14px 28px; border-radius: 10px; border: none; cursor: pointer;
  background: linear-gradient(135deg, var(--seo-brand), color-mix(in srgb, var(--seo-brand) 60%, #8b5cf6));
  color: #fff; font-size: 15px; font-weight: 700; font-family: inherit;
  box-shadow: 0 4px 20px color-mix(in srgb, var(--seo-brand) 35%, transparent);
  transition: opacity .2s, transform .1s;
}
.seo-audit-btn:hover { opacity: .92; transform: translateY(-1px); }
.seo-audit-btn:active { transform: translateY(0); }
.seo-audit-btn-outline { background: transparent; border: 1px solid var(--seo-border); color: var(--seo-subtle); box-shadow: none; }
.seo-audit-btn-outline:hover { border-color: var(--seo-subtle); }
.seo-audit-btn-arrow { transition: transform .2s; }
.seo-audit-btn:hover .seo-audit-btn-arrow { transform: translateX(4px); }
.seo-audit-actions { display: flex; gap: 12px; margin-top: 10px; flex-wrap: wrap; }

/* Loading */
#seo-audit-loading { text-align: center; padding: 60px 20px; }
.seo-audit-spinner {
  width: 56px; height: 56px; margin: 0 auto 28px;
  border-radius: 50%; border: 3px solid var(--seo-border);
  border-top-color: var(--seo-brand);
  animation: saa-spin .9s linear infinite;
}
@keyframes saa-spin { to { transform: rotate(360deg); } }
.seo-audit-loading-title { font-size: 18px; font-weight: 700; color: var(--seo-text); margin-bottom: 6px; }
.seo-audit-loading-msg { font-size: 13px; color: var(--seo-muted); }
.seo-audit-cat-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 24px; }
.seo-audit-tag { padding: 4px 12px; border-radius: 20px; background: var(--seo-card); border: 1px solid var(--seo-border); font-size: 11px; color: var(--seo-muted); }

/* Score Hero */
.seo-audit-score-hero { display: flex; gap: 24px; align-items: center; flex-wrap: wrap;
  background: var(--seo-card); border: 1px solid var(--seo-border); border-radius: var(--seo-radius); padding: 28px; margin-bottom: 18px; }
.seo-audit-score-ring-wrap { text-align: center; }
.seo-audit-score-label { font-size: 11px; font-weight: 700; letter-spacing: 1px; margin-top: 6px; }
.seo-audit-hero-body { flex: 1; min-width: 200px; }
.seo-audit-hero-eyebrow { font-size: 10px; font-weight: 700; color: var(--seo-brand); letter-spacing: 2px; margin-bottom: 6px; }
.seo-audit-hero-url { font-size: 20px; font-weight: 800; color: var(--seo-text); margin-bottom: 10px; word-break: break-all; }
.seo-audit-hero-summary { font-size: 13px; color: var(--seo-subtle); line-height: 1.65; }
.seo-audit-ghl-badge { margin-top: 10px; font-size: 12px; color: var(--seo-pass); display: flex; align-items: center; gap: 5px; }

/* Priorities */
.seo-audit-priorities { background: linear-gradient(135deg,#1a0f37,#0d1530);
  border: 1px solid #2d1e50; border-radius: var(--seo-radius); padding: 22px; margin-bottom: 18px; }
.seo-audit-priorities-heading { font-size: 10px; font-weight: 700; color: #8b5cf6; letter-spacing: 2px; margin-bottom: 14px; }
.seo-audit-priority { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 8px; }
.seo-audit-priority-num {
  min-width: 24px; height: 24px; border-radius: 6px;
  background: var(--seo-brand); color: #fff;
  font-size: 11px; font-weight: 800;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.seo-audit-priority-text { font-size: 13px; color: var(--seo-subtle); line-height: 1.55; padding-top: 3px; }

/* Category cards */
.seo-audit-cat-card { background: var(--seo-card); border: 1px solid var(--seo-border); border-radius: var(--seo-radius); margin-bottom: 12px; overflow: hidden; transition: box-shadow .2s; }
.seo-audit-cat-card.is-open { box-shadow: 0 0 0 1px var(--seo-brand); }
.seo-audit-cat-toggle { width: 100%; background: none; border: none; cursor: pointer; padding: 16px 20px; display: flex; align-items: center; gap: 16px; font-family: inherit; }
.seo-audit-cat-score { min-width: 56px; text-align: center; }
.seo-audit-cat-score-num { font-size: 22px; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1; }
.seo-audit-cat-score-denom { font-size: 9px; color: var(--seo-muted); font-weight: 600; letter-spacing: 1px; }
.seo-audit-cat-body { flex: 1; text-align: left; }
.seo-audit-cat-name { font-size: 14px; font-weight: 700; color: var(--seo-text); margin-bottom: 6px; }
.seo-audit-cat-bar-bg { height: 4px; background: #1e293b; border-radius: 4px; overflow: hidden; }
.seo-audit-cat-bar-fill { height: 100%; border-radius: 4px; transition: width 1.2s cubic-bezier(.4,0,.2,1); }
.seo-audit-cat-chevron { color: var(--seo-muted); font-size: 16px; transition: transform .2s; }
.seo-audit-cat-card.is-open .seo-audit-cat-chevron { transform: rotate(180deg); }

.seo-audit-cat-items { padding: 0 20px 16px; }
.seo-audit-cat-item { display: flex; gap: 12px; padding: 9px 0; border-top: 1px solid var(--seo-border); }
.seo-audit-item-icon { min-width: 18px; font-weight: 800; font-size: 13px; padding-top: 1px; }
.seo-audit-item-label { font-size: 12px; font-weight: 600; color: var(--seo-subtle); margin-bottom: 3px; }
.seo-audit-item-detail { font-size: 12px; color: var(--seo-muted); line-height: 1.5; }

/* SVG ring */
.seo-audit-ring-svg { display: block; }