/* =============================================================================
   SEO Audit Widget — Frontend Styles
   Uses CSS custom properties set inline by PHP for full theme flexibility.
   ============================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ── Reset & Base ──────────────────────────────────────────────────────────── */
.saw-widget *,
.saw-widget *::before,
.saw-widget *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.saw-widget {
  --saw-primary:     #31CEE1;
  --saw-accent:      #10b981;
  --saw-danger:      #ef4444;
  --saw-warning:     #f59e0b;
  --saw-radius:      14px;
  --saw-radius-sm:   8px;
  --saw-shadow:      0 4px 24px rgba(0,0,0,.10);
  --saw-results-max-height: 600px;
  --saw-font:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  font-family:  var(--saw-font);
  font-size:    15px;
  line-height:  1.5;
  border-radius: var(--saw-radius);
  box-shadow:   var(--saw-shadow);
  overflow:     hidden;
  transition:   box-shadow 0.3s ease;
}

.saw-widget:hover {
  box-shadow: 0 8px 40px rgba(0,0,0,.16);
}

/* ── Background Themes ─────────────────────────────────────────────────────── */
.saw-bg-light {
  background: #ffffff;
  color: #1e293b;
  --saw-surface: #f8fafc;
  --saw-border:  #e2e8f0;
  --saw-muted:   #64748b;
  --saw-text:    #1e293b;
}

.saw-bg-dark {
  background: #0f172a;
  color: #e2e8f0;
  --saw-surface: #1e293b;
  --saw-border:  #334155;
  --saw-muted:   #94a3b8;
  --saw-text:    #e2e8f0;
}

.saw-bg-transparent {
  background: transparent;
  color: inherit;
  --saw-surface: rgba(255,255,255,0.05);
  --saw-border:  rgba(255,255,255,0.15);
  --saw-muted:   rgba(255,255,255,0.55);
  --saw-text:    inherit;
}

/* ── Widget Header ─────────────────────────────────────────────────────────── */
.saw-widget-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1.25rem 1.5rem 0;
}

.saw-header-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--saw-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.saw-widget-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--saw-text, #1e293b);
  letter-spacing: -0.01em;
}

/* ── Form ──────────────────────────────────────────────────────────────────── */
.saw-form {
  padding: 1rem 1.5rem 0.75rem;
}

.saw-input-group {
  display: flex;
  align-items: center;
  border: 2px solid var(--saw-border, #e2e8f0);
  border-radius: var(--saw-radius-sm);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  background: var(--saw-surface, #f8fafc);
}

.saw-input-group:focus-within {
  border-color: var(--saw-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--saw-primary) 20%, transparent);
}

.saw-input-prefix {
  padding: 0 0.75rem;
  font-size: 1rem;
  flex-shrink: 0;
}

.saw-url-input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0.7rem 0.25rem;
  font-size: 0.9rem;
  font-family: var(--saw-font);
  color: var(--saw-text, #1e293b);
  outline: none;
  min-width: 0;
}

.saw-url-input::placeholder {
  color: var(--saw-muted, #64748b);
}

.saw-btn-submit {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--saw-primary);
  color: #fff;
  border: none;
  padding: 0.7rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--saw-font);
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s ease, transform 0.1s ease;
  flex-shrink: 0;
}

.saw-btn-submit:hover { opacity: 0.88; }
.saw-btn-submit:active { transform: scale(0.97); }
.saw-btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

/* Spinner animation */
@keyframes saw-rotate { to { transform: rotate(360deg); } }
.saw-spin { animation: saw-rotate 0.8s linear infinite; }

/* ── Option Checkboxes ─────────────────────────────────────────────────────── */
.saw-options-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  padding: 0.6rem 0 0;
}

.saw-opt-label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--saw-muted, #64748b);
  cursor: pointer;
  user-select: none;
}

.saw-opt-label input[type="checkbox"] {
  accent-color: var(--saw-primary);
  width: 14px;
  height: 14px;
  cursor: pointer;
}

/* ── Error Banner ──────────────────────────────────────────────────────────── */
.saw-error-banner {
  margin: 0 1.5rem 0.75rem;
  padding: 0.7rem 1rem;
  border-radius: var(--saw-radius-sm);
  background: #fef2f2;
  border: 1px solid #fecaca;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #b91c1c;
  animation: saw-fadeIn 0.2s ease;
}

/* ── Results Panel ─────────────────────────────────────────────────────────── */
@keyframes saw-fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0);   }
}

.saw-results {
  animation: saw-fadeIn 0.3s ease;
  border-top: 1px solid var(--saw-border, #e2e8f0);
  margin-top: 0.5rem;
}

/* ── Score Block ───────────────────────────────────────────────────────────── */
.saw-score-block {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--saw-surface, #f8fafc);
  border-bottom: 1px solid var(--saw-border, #e2e8f0);
}

.saw-score-ring-wrap { flex-shrink: 0; }

.saw-score-ring {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: conic-gradient(var(--saw-accent) 0%, #e2e8f0 0%);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.8s ease;
  position: relative;
}

.saw-score-ring::before {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: var(--saw-surface, #f8fafc);
}

.saw-score-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  line-height: 1.1;
}

.saw-score-num {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--saw-accent);
}

.saw-score-grade {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--saw-muted, #64748b);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.saw-score-meta { flex: 1; min-width: 0; }

.saw-audited-url {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--saw-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.25rem;
}

.saw-verdict {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.saw-stat-chips {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.saw-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  min-width: 50px;
}

.saw-chip-num  { font-size: 0.9rem; font-weight: 700; }
.saw-chip-label { font-size: 0.6rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.04em; opacity: 0.75; }

.saw-chip-danger  { background: #fef2f2; color: var(--saw-danger); }
.saw-chip-warning { background: #fffbeb; color: var(--saw-warning); }
.saw-chip-info    { background: var(--saw-surface, #f1f5f9); color: var(--saw-muted, #64748b); }

/* ── Tabs ──────────────────────────────────────────────────────────────────── */
.saw-tabs {
  display: flex;
  border-bottom: 1px solid var(--saw-border, #e2e8f0);
  overflow-x: auto;
  scrollbar-width: none;
}
.saw-tabs::-webkit-scrollbar { display: none; }

.saw-tab {
  padding: 0.65rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--saw-font);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--saw-muted, #64748b);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.saw-tab:hover { color: var(--saw-primary); }

.saw-tab-active {
  color: var(--saw-primary);
  border-bottom-color: var(--saw-primary);
}

/* ── Tab Panes ─────────────────────────────────────────────────────────────── */
.saw-tab-content {
  max-height: var(--saw-results-max-height);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--saw-border, #e2e8f0) transparent;
}

.saw-pane { display: none; padding: 1.25rem 1.5rem; }
.saw-pane-active { display: block; }

/* ── Category Score Bars ───────────────────────────────────────────────────── */
.saw-cat-bar-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.saw-cat-label {
  font-size: 0.78rem;
  font-weight: 600;
  width: 110px;
  flex-shrink: 0;
  color: var(--saw-text, #1e293b);
  text-transform: capitalize;
}

.saw-cat-track {
  flex: 1;
  height: 8px;
  border-radius: 100px;
  background: var(--saw-border, #e2e8f0);
  overflow: hidden;
}

.saw-cat-fill {
  height: 100%;
  border-radius: 100px;
  transition: width 0.8s cubic-bezier(.4,0,.2,1);
}

.saw-cat-val {
  font-size: 0.78rem;
  font-weight: 700;
  width: 30px;
  text-align: right;
  flex-shrink: 0;
}

/* ── Issues List ───────────────────────────────────────────────────────────── */
.saw-issue-card {
  border: 1px solid var(--saw-border, #e2e8f0);
  border-radius: var(--saw-radius-sm);
  padding: 0.85rem 1rem;
  margin-bottom: 0.6rem;
  background: var(--saw-surface, #f8fafc);
  transition: box-shadow 0.2s ease;
}

.saw-issue-card:hover { box-shadow: 0 2px 12px rgba(0,0,0,.07); }

.saw-issue-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.saw-issue-msg { font-size: 0.88rem; font-weight: 600; color: var(--saw-text, #1e293b); }
.saw-issue-cat { font-size: 0.75rem; color: var(--saw-muted, #64748b); margin-bottom: 0.25rem; }
.saw-issue-rec { font-size: 0.82rem; color: var(--saw-muted, #64748b); }

.saw-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 100px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
}

.saw-badge-critical { background: #fef2f2; color: var(--saw-danger); }
.saw-badge-warning  { background: #fffbeb; color: var(--saw-warning); }
.saw-badge-info     { background: #eff6ff; color: #3b82f6; }

/* ── AI Plan ───────────────────────────────────────────────────────────────── */
.saw-ai-intro {
  font-size: 0.82rem;
  color: var(--saw-muted, #64748b);
  margin-bottom: 1rem;
  padding: 0.7rem 0.9rem;
  background: var(--saw-surface, #f8fafc);
  border-radius: var(--saw-radius-sm);
  border-left: 3px solid var(--saw-primary);
}

.saw-ai-step {
  border-left: 3px solid var(--saw-primary);
  background: var(--saw-surface, #f8fafc);
  border-radius: 0 var(--saw-radius-sm) var(--saw-radius-sm) 0;
  padding: 0.9rem 1rem;
  margin-bottom: 0.75rem;
}

.saw-ai-step-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--saw-primary);
  margin-bottom: 0.35rem;
}

.saw-ai-step-why,
.saw-ai-step-fix {
  font-size: 0.8rem;
  color: var(--saw-muted, #64748b);
  margin-bottom: 0.25rem;
}

.saw-ai-step-fix strong,
.saw-ai-step-why strong { color: var(--saw-text, #475569); }

/* ── Details Grid ──────────────────────────────────────────────────────────── */
.saw-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

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

.saw-detail-card {
  background: var(--saw-surface, #f8fafc);
  border: 1px solid var(--saw-border, #e2e8f0);
  border-radius: var(--saw-radius-sm);
  padding: 0.85rem 1rem;
}

.saw-detail-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--saw-primary);
  margin-bottom: 0.6rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--saw-border, #e2e8f0);
}

.saw-detail-row {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.78rem;
  padding: 0.2rem 0;
  border-bottom: 1px solid var(--saw-border, #e2e8f0);
}
.saw-detail-row:last-child { border-bottom: none; }

.saw-detail-key { color: var(--saw-muted, #64748b); font-weight: 500; }
.saw-detail-val { color: var(--saw-text, #1e293b); font-weight: 600; text-align: right; word-break: break-all; }

/* ── Footer ────────────────────────────────────────────────────────────────── */
.saw-widget-footer {
  padding: 0.6rem 1.5rem;
  font-size: 0.7rem;
  color: var(--saw-muted, #94a3b8);
  border-top: 1px solid var(--saw-border, #e2e8f0);
  display: flex;
  gap: 0.3rem;
  align-items: center;
}

.saw-widget-footer a {
  color: var(--saw-primary);
  text-decoration: none;
  font-weight: 600;
}
.saw-widget-footer a:hover { text-decoration: underline; }

/* ── No-items placeholder ──────────────────────────────────────────────────── */
.saw-empty-state {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--saw-muted, #64748b);
  font-size: 0.85rem;
}
.saw-empty-state .saw-empty-icon { font-size: 2rem; margin-bottom: 0.5rem; display: block; }