/* Mitraft Tool Styles */

/* Input */
.tool-input-group {
  display: flex;
  gap: 10px;
}

.tool-hint {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 6px;
  margin-bottom: 12px;
}

.tool-input {
  flex: 1;
  padding: 14px 20px;
  border: 1.5px solid var(--color-border);
  border-radius: 16px;
  font-size: 15px;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color 0.2s;
  outline: none;
}

.tool-input:focus {
  border-color: var(--color-accent);
}

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

/* Buttons */
.tool-btn {
  padding: 14px 28px;
  background: var(--color-accent);
  color: #FFFFFF;
  border: none;
  border-radius: 16px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, transform 0.1s;
}

.tool-btn:hover { background: var(--color-accent-hover); }
.tool-btn:active { transform: scale(0.97); }
.tool-btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* Badge */
.tool-badge {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin: 12px 0;
}

.tool-badge-loading { background: var(--color-bg-alt); color: var(--color-text-muted); }
.tool-badge-ok { background: #d1fae5; color: #065f46; }
.tool-badge-error { background: #fee2e2; color: #991b1b; }

.tool-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: tool-pulse 1.2s ease-in-out infinite;
}

.tool-badge-ok .tool-dot,
.tool-badge-error .tool-dot { animation: none; }

@keyframes tool-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Tabs */
.tool-tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.tool-tab-btn {
  padding: 10px 22px;
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-border);
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.tool-tab-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.tool-tab-btn.active { background: var(--color-accent); color: #FFFFFF; border-color: var(--color-accent); }

/* Result */
.tool-result {
  display: none;
  animation: tool-fadein 0.3s ease;
}

.tool-tab-content { display: none; }
.tool-tab-content.active { display: block; }

@keyframes tool-fadein {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Grid */
.tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* Card */
.tool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 28px;
  margin-bottom: 20px;
}

.tool-card-full { grid-column: 1 / -1; }

.tool-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.tool-card-icon {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}

.tool-card-icon svg { width: 14px; height: 14px; display: block; }

.tool-card-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tool-card a { color: var(--color-accent); text-decoration: none; word-break: break-all; }
.tool-card a:hover { text-decoration: underline; }

.tool-card code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--color-bg-alt);
  padding: 1px 5px;
  border-radius: 4px;
}

/* Row */
.tool-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  gap: 16px;
}

.tool-row:last-child { border-bottom: none; }

.tool-row-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  flex-shrink: 0;
  padding-top: 2px;
  min-width: 140px;
}

.tool-row-value {
  font-size: 14px;
  color: var(--color-text);
  text-align: right;
  word-break: break-word;
  font-weight: 500;
}

/* Pill */
.tool-pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  margin: 2px 2px 2px 0;
}

.tool-pill-green { background: #d1fae5; color: #065f46; }
.tool-pill-red { background: #fee2e2; color: #991b1b; }
.tool-pill-yellow { background: #fef3c7; color: #92400e; }
.tool-pill-gray { background: var(--color-bg-alt); color: var(--color-text-muted); }
.tool-pill-blue { background: #dbeafe; color: #1e40af; }

/* Score bar */
.tool-score-bar-wrap { margin-top: 14px; padding-top: 14px; }
.tool-score-bar-label { display: flex; justify-content: space-between; font-size: 12px; color: var(--color-text-muted); margin-bottom: 8px; font-weight: 500; }
.tool-score-bar { width: 100%; height: 6px; background: var(--color-border); border-radius: 999px; overflow: hidden; }
.tool-score-fill { height: 100%; border-radius: 999px; transition: width 0.6s ease; }

/* Link list */
.tool-link-list {
  display: grid;
  grid-template-columns: minmax(150px, 2fr) minmax(100px, 1.5fr) auto;
  max-height: 400px;
  overflow-y: auto;
}

.tool-link-item { display: contents; }
.tool-link-item > * { padding: 8px 6px; border-bottom: 1px solid var(--color-border); }
.tool-link-item:last-child > * { border-bottom: none; }

.tool-link-url { color: var(--color-accent); text-decoration: none; font-family: var(--font-mono); font-size: 12px; word-break: break-all; }
.tool-link-url:hover { text-decoration: underline; }
.tool-link-anchor { font-size: 13px; font-weight: 500; color: var(--color-text); word-break: break-word; }
.tool-link-rel { font-size: 11px; color: var(--color-text-muted); }

.tool-link-header { display: contents; }
.tool-link-header span {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 6px 8px;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

/* Code block */
.tool-code {
  background: #0f172a;
  color: #e2e8f0;
  padding: 24px;
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  white-space: pre;
  overflow-x: auto;
  max-height: 420px;
  line-height: 1.6;
}

/* Redirect chain */
.tool-redirect-hop {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-bg-alt);
  border-radius: 10px;
  margin-bottom: 8px;
  border: 1px solid var(--color-border);
}

.tool-hop-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.tool-hop-info { flex: 1; }

.tool-hop-url {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text);
  word-break: break-all;
}

.tool-hop-status {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Empty state */
.tool-empty {
  text-align: center;
  padding: 48px 24px;
  margin-top: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
}

.tool-empty-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--color-accent-light);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.tool-empty-icon svg { width: 24px; height: 24px; display: block; }
.tool-empty-title { font-size: 16px; font-weight: 700; color: var(--color-text); margin-bottom: 8px; }
.tool-empty-desc { font-size: 14px; color: var(--color-text-muted); }

/* Source info */
.tool-source {
  margin-top: 14px;
  text-align: right;
  font-size: 11px;
  color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .tool-input-group { flex-direction: column; }
  .tool-btn { width: 100%; }
  .tool-grid { grid-template-columns: 1fr; }
  .tool-link-list { grid-template-columns: 1fr; }
  .tool-link-header { display: none; }
  .tool-link-item > *:first-child { font-weight: 600; }
}

/* ===== Core Web Vitals PSI-Style ===== */

.cwv-hero {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  margin-bottom: 20px;
}

.cwv-hero-info { flex: 1; }

.cwv-hero-url {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text);
  word-break: break-all;
  margin-bottom: 12px;
}

.cwv-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.cwv-hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* Score ring — nested div approach */
.cwv-score-ring {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
}

.cwv-ring-bg {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: conic-gradient(var(--ring-color) calc(var(--pct) * 1%), #E7E5E4 0);
}

.cwv-ring-mask {
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.cwv-score-num {
  font-size: 34px;
  font-weight: 800;
  font-family: var(--font-heading);
  line-height: 1;
  color: var(--ring-color);
}

/* Score ring small (metric cards) */
.cwv-metric-score-ring {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  position: relative;
  margin-bottom: 10px;
}

.cwv-metric-score-ring .cwv-ring-mask {
  inset: 6px;
}

.cwv-metric-score-ring .cwv-score-num {
  font-size: 18px;
}

/* Score ring color vars */
.cwv-score-green { --ring-color: #16A34A; }
.cwv-score-orange { --ring-color: #D97706; }
.cwv-score-red { --ring-color: #DC2626; }

/* Metric grid */
.cwv-metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

/* Metric card */
.cwv-metric-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border-top: 3px solid var(--color-border);
}

.cwv-metric-card.cwv-m-green { border-top-color: #16A34A; }
.cwv-metric-card.cwv-m-orange { border-top-color: #D97706; }
.cwv-metric-card.cwv-m-red { border-top-color: #DC2626; }

.cwv-metric-name {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.cwv-metric-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

/* Distribution bar */
.cwv-dist-bar {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  overflow: hidden;
  display: flex;
  margin-bottom: 8px;
  background: #DC2626;
}

.cwv-dist-bar-mid {
  background: #D97706;
  height: 100%;
}

.cwv-dist-bar-good {
  background: #16A34A;
  height: 100%;
}

.cwv-dist-labels {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-size: 11px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.cwv-dist-labels span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.cwv-dist-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.cwv-dist-dot-good { background: #16A34A; }
.cwv-dist-dot-mid { background: #D97706; }
.cwv-dist-dot-bad { background: #DC2626; }

/* Status pill in metric card */
.cwv-status-pill {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.cwv-s-good { background: #d1fae5; color: #065f46; }
.cwv-s-needs-improvement { background: #fef3c7; color: #92400e; }
.cwv-s-poor { background: #fee2e2; color: #991b1b; }

/* Period card */
.cwv-period {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 20px 28px;
  font-size: 13px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (max-width: 768px) {
  .cwv-hero { flex-direction: column; text-align: center; gap: 20px; padding: 24px; }
  .cwv-hero-meta { justify-content: center; }
  .cwv-metric-grid { grid-template-columns: 1fr; }
}

/* ============================
   PageSpeed Insights Renderer
   ============================ */

.psi-score-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.psi-score-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.psi-score-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.psi-metric-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.psi-metric-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border-top: 3px solid var(--color-border);
}

.psi-m-good { border-top-color: #16A34A; }
.psi-m-average { border-top-color: #D97706; }
.psi-m-poor { border-top-color: #DC2626; }

.psi-metric-abbr {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.psi-metric-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.psi-metric-value {
  font-size: 20px;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--color-text);
  line-height: 1;
}

.psi-v-good { color: #16A34A; }
.psi-v-average { color: #D97706; }
.psi-v-poor { color: #DC2626; }

.psi-screenshot-wrap {
  padding: 12px;
  text-align: center;
}

.psi-screenshot-img {
  max-width: 100%;
  max-height: 500px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.psi-section-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.psi-section-count {
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 600;
}

.psi-expand-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  margin-bottom: 8px;
  overflow: hidden;
}

.psi-expand-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  user-select: none;
}

.psi-expand-header:hover {
  background: var(--color-bg-alt);
}

.psi-expand-chevron {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform 0.2s;
  color: var(--color-text-muted);
}

.psi-expand-card.open .psi-expand-chevron {
  transform: rotate(90deg);
}

.psi-expand-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
}

.psi-expand-body {
  display: none;
  padding: 0 18px 14px;
  border-top: 1px solid var(--color-border);
}

.psi-expand-card.open .psi-expand-body {
  display: block;
}

.psi-expand-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-top: 12px;
  margin-bottom: 12px;
}

.psi-expand-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.psi-expand-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--color-bg-alt);
  border-radius: 8px;
  font-size: 12px;
  gap: 12px;
}

.psi-expand-item-url {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-accent);
  word-break: break-all;
  flex: 1;
  text-decoration: none;
}

.psi-expand-item-url:hover { text-decoration: underline; }

.psi-expand-item-meta {
  font-size: 11px;
  color: var(--color-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .psi-score-grid { grid-template-columns: repeat(2, 1fr); }
  .psi-metric-grid { grid-template-columns: repeat(2, 1fr); }
}

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

/* ============================
   DNS Security Renderer
   ============================ */

.dns-sec-hero {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  margin-bottom: 20px;
}

.dns-sec-grade-ring {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  font-weight: 900;
  font-family: var(--font-heading);
  flex-shrink: 0;
  position: relative;
}

.dns-sec-grade-ring::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  padding: 4px;
  background: conic-gradient(var(--ring-color) var(--pct), var(--color-border) var(--pct));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.dns-sec-grade-a { --ring-color: #16A34A; color: #16A34A; }
.dns-sec-grade-b { --ring-color: #16A34A; color: #16A34A; }
.dns-sec-grade-c { --ring-color: #D97706; color: #D97706; }
.dns-sec-grade-d { --ring-color: #D97706; color: #D97706; }
.dns-sec-grade-f { --ring-color: #DC2626; color: #DC2626; }

.dns-sec-hero-info {
  flex: 1;
}

.dns-sec-hero-domain {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.dns-sec-hero-score {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.dns-sec-hero-meta {
  font-size: 12px;
  color: var(--color-text-muted);
}

.dns-sec-check-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.dns-sec-check-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px;
  border-top: 3px solid var(--color-border);
}

.dns-sec-check-card.dns-sec-pass { border-top-color: #16A34A; }
.dns-sec-check-card.dns-sec-warn { border-top-color: #D97706; }
.dns-sec-check-card.dns-sec-fail { border-top-color: #DC2626; }
.dns-sec-check-card.dns-sec-info { border-top-color: #6B7280; }

.dns-sec-check-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.dns-sec-check-name {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dns-sec-check-assessment {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}

.dns-sec-check-record {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  padding: 6px 10px;
  border-radius: 6px;
  word-break: break-all;
  margin-bottom: 8px;
}

.dns-sec-check-rec {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.dns-sec-recs {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
}

.dns-sec-recs-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.dns-sec-rec-item {
  display: flex;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text);
  line-height: 1.5;
}

.dns-sec-rec-item:last-child { border-bottom: none; }

.dns-sec-rec-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

@media (max-width: 768px) {
  .dns-sec-hero { flex-direction: column; text-align: center; gap: 16px; padding: 20px; }
  .dns-sec-check-grid { grid-template-columns: 1fr; }
}

/* ============================
   Domain Health Renderer
   ============================ */

.dh-hero {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  margin-bottom: 20px;
}

.dh-hero-ring {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  font-weight: 900;
  font-family: var(--font-heading);
  flex-shrink: 0;
  position: relative;
}

.dh-hero-ring::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  padding: 4px;
  background: conic-gradient(var(--ring-color) var(--pct), var(--color-border) var(--pct));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.dh-hero-ring.dh-grade-a { --ring-color: #16A34A; color: #16A34A; }
.dh-hero-ring.dh-grade-b { --ring-color: #16A34A; color: #16A34A; }
.dh-hero-ring.dh-grade-c { --ring-color: #D97706; color: #D97706; }
.dh-hero-ring.dh-grade-d { --ring-color: #D97706; color: #D97706; }
.dh-hero-ring.dh-grade-f { --ring-color: #DC2626; color: #DC2626; }

.dh-hero-info { flex: 1; }

.dh-hero-domain {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.dh-hero-score {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.dh-hero-meta {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* TLS summary card */
.dh-tls-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
}

.dh-tls-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.dh-tls-grade {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 900;
  color: #16A34A;
}

.dh-tls-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.dh-tls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
}

.dh-tls-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dh-tls-item-label {
  font-size: 11px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dh-tls-item-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}

/* Health check grid */
.dh-checks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.dh-checks-group-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  grid-column: 1 / -1;
}

.dh-check-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  border-left: 3px solid var(--color-border);
}

.dh-check-row.dh-pass { border-left-color: #16A34A; }
.dh-check-row.dh-fail { border-left-color: #DC2626; }

.dh-check-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dh-check-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}

.dh-check-detail {
  font-size: 11px;
  color: var(--color-text-muted);
}

/* Breakdown bars */
.dh-breakdown {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
}

.dh-breakdown-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.dh-breakdown-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
}

.dh-breakdown-row:last-child { border-bottom: none; }

.dh-breakdown-label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dh-breakdown-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dh-breakdown-text {
  color: var(--color-text);
  font-weight: 500;
}

.dh-breakdown-rec {
  font-size: 12px;
  color: var(--color-text-muted);
  font-style: italic;
}

@media (max-width: 768px) {
  .dh-hero { flex-direction: column; text-align: center; gap: 16px; padding: 20px; }
  .dh-checks-grid { grid-template-columns: 1fr; }
  .dh-tls-grid { grid-template-columns: repeat(2, 1fr); }
}

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

/* ============================
   Performance Tool Renderers
   (File Minification, GZIP, Image Optimization)
   ============================ */

.perf-hero {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  margin-bottom: 20px;
}

.perf-hero-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.perf-hero-icon svg { width: 28px; height: 28px; }

.perf-hero-icon.perf-green { background: #DCFCE7; color: #16A34A; }
.perf-hero-icon.perf-yellow { background: #FEF3C7; color: #D97706; }
.perf-hero-icon.perf-red { background: #FEE2E2; color: #DC2626; }

.perf-hero-info { flex: 1; }

.perf-hero-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.perf-hero-status {
  font-size: 13px;
  color: var(--color-text-muted);
}

.perf-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.perf-stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
}

.perf-stat-value {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 900;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 4px;
}

.perf-stat-label {
  font-size: 11px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.perf-breakdown {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
}

.perf-breakdown-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.perf-breakdown-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
}

.perf-breakdown-row:last-child { border-bottom: none; }

.perf-breakdown-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-right: 8px;
}

.perf-breakdown-label {
  display: flex;
  align-items: center;
  font-weight: 500;
}

.perf-breakdown-rec {
  font-size: 12px;
  color: var(--color-text-muted);
  font-style: italic;
}

.perf-file-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.perf-file-table thead th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.perf-file-table tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: top;
}

.perf-file-table tbody tr:last-child td { border-bottom: none; }

.perf-file-url {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-accent);
  word-break: break-all;
  text-decoration: none;
  max-width: 400px;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.perf-file-url:hover { text-decoration: underline; }

.perf-file-rec {
  font-size: 11px;
  color: #D97706;
  margin-top: 2px;
}

.perf-recommendation {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: 12px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--color-text);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .perf-hero { flex-direction: column; text-align: center; gap: 12px; padding: 20px; }
  .perf-stat-grid { grid-template-columns: repeat(2, 1fr); }
}

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

/* ============================
   Tech Detector Renderer
   ============================ */

.td-hero {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  margin-bottom: 20px;
}

.td-hero-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}

.td-hero-icon svg { width: 28px; height: 28px; }

.td-hero-info { flex: 1; }

.td-hero-domain {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.td-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.td-hero-stat strong {
  color: var(--color-text);
  font-weight: 700;
}

.td-hero-sep { color: var(--color-border); }

.td-empty-state {
  text-align: center;
  padding: 48px 24px;
  margin-top: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
}

.td-empty-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--color-accent-light);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.td-empty-icon svg { width: 28px; height: 28px; }

.td-empty-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.td-empty-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  max-width: 400px;
  margin: 0 auto;
  line-height: 1.5;
}

.td-tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}

.td-tech-card {
  padding: 12px 14px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 10px;
}

.td-tech-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.td-tech-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
  word-break: break-all;
  margin-bottom: 2px;
}

.td-tech-date {
  font-size: 11px;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .td-hero { flex-direction: column; text-align: center; gap: 12px; padding: 20px; }
  .td-hero-meta { justify-content: center; }
  .td-tech-grid { grid-template-columns: 1fr; }
}

/* ============================
   HTML Viewer Renderer
   ============================ */

.hv-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.hv-tab {
  padding: 10px 22px;
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-border);
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.hv-tab:hover { border-color: var(--color-accent); color: var(--color-accent); }
.hv-tab.active { background: var(--color-accent); color: #FFFFFF; border-color: var(--color-accent); }

.hv-input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.hv-input {
  flex: 1;
  padding: 14px 20px;
  border: 1.5px solid var(--color-border);
  border-radius: 16px;
  font-size: 15px;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color 0.2s;
  outline: none;
}

.hv-input:focus { border-color: var(--color-accent); }
.hv-input::placeholder { color: var(--color-text-muted); }

.hv-textarea {
  width: 100%;
  min-height: 200px;
  padding: 14px 20px;
  border: 1.5px solid var(--color-border);
  border-radius: 16px;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--color-text);
  background: var(--color-surface);
  resize: vertical;
  outline: none;
  line-height: 1.6;
  transition: border-color 0.2s;
}

.hv-textarea:focus { border-color: var(--color-accent); }
.hv-textarea::placeholder { color: var(--color-text-muted); }

.hv-btn {
  padding: 14px 28px;
  background: var(--color-accent);
  color: #FFFFFF;
  border: none;
  border-radius: 16px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, transform 0.1s;
}

.hv-btn:hover { background: var(--color-accent-hover); }
.hv-btn:active { transform: scale(0.97); }
.hv-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.hv-result-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  align-items: center;
}

.hv-result-tabs .hv-tab { padding: 8px 18px; font-size: 12px; }

.hv-fullscreen-btn {
  margin-left: auto;
  padding: 8px 16px;
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-border);
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 6px;
}

.hv-fullscreen-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }

.hv-fullscreen-btn svg { width: 14px; height: 14px; }

.hv-toggles {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.hv-toggle {
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.2s;
  border: 1.5px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  user-select: none;
}

.hv-toggle:hover { border-color: var(--color-accent); color: var(--color-accent); }

.hv-toggle.active {
  background: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
}

.hv-preview-frame {
  width: 100%;
  min-height: 500px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: #FFFFFF;
}

.hv-source-wrap {
  position: relative;
  background: #0f172a;
  border-radius: 12px;
  overflow: hidden;
}

.hv-source-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: #1e293b;
  border-bottom: 1px solid #334155;
}

.hv-source-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hv-copy-btn {
  padding: 5px 12px;
  background: #334155;
  border: 1px solid #475569;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  color: #e2e8f0;
  cursor: pointer;
  transition: background 0.2s;
  font-family: inherit;
}

.hv-copy-btn:hover { background: #475569; }

.hv-source-code {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #e2e8f0;
  white-space: pre;
  overflow-x: auto;
  max-height: 600px;
  line-height: 1.6;
}

.hv-stats {
  display: flex;
  gap: 16px;
  padding: 10px 16px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  margin-top: 12px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.hv-stats strong { color: var(--color-text); font-weight: 600; }

.hv-hidden { display: none !important; }

/* Fullscreen overlay */
.hv-fs-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
}

.hv-fs-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.hv-fs-bar-title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hv-fs-bar-hint {
  font-size: 11px;
  color: var(--color-text-muted);
}

.hv-fs-exit {
  padding: 6px 14px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.hv-fs-exit:hover { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }

.hv-fs-frame {
  flex: 1;
  width: 100%;
  border: none;
  background: #FFFFFF;
}

@media (max-width: 768px) {
  .hv-input-group { flex-direction: column; }
  .hv-btn { width: 100%; }
  .hv-result-tabs { flex-wrap: wrap; }
  .hv-fs-bar { padding: 8px 12px; }
  .hv-fs-bar-hint { display: none; }
}

/* ============================
   SSR Checker Renderer
   ============================ */

.ssr-hero {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  margin-bottom: 20px;
}

.ssr-hero-ring {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  font-family: var(--font-heading);
  flex-shrink: 0;
  position: relative;
  text-align: center;
  line-height: 1.2;
  padding: 8px;
}

.ssr-hero-ring::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  padding: 4px;
  background: conic-gradient(var(--ring-color) var(--pct), var(--color-border) var(--pct));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.ssr-hero-ring.ssr-verdict-ssg { --ring-color: #16A34A; color: #16A34A; --pct: 100%; }
.ssr-hero-ring.ssr-verdict-isr { --ring-color: #16A34A; color: #16A34A; --pct: 90%; }
.ssr-hero-ring.ssr-verdict-ssr { --ring-color: #16A34A; color: #16A34A; --pct: 80%; }
.ssr-hero-ring.ssr-verdict-csr { --ring-color: #DC2626; color: #DC2626; --pct: 30%; }
.ssr-hero-ring.ssr-verdict-spa { --ring-color: #DC2626; color: #DC2626; --pct: 15%; }

.ssr-hero-info { flex: 1; }

.ssr-hero-url {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text);
  word-break: break-all;
  margin-bottom: 8px;
}

.ssr-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.ssr-verdict-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.ssr-v-ssg { background: #d1fae5; color: #065f46; }
.ssr-v-isr { background: #d1fae5; color: #065f46; }
.ssr-v-ssr { background: #dbeafe; color: #1e40af; }
.ssr-v-csr { background: #fee2e2; color: #991b1b; }
.ssr-v-spa { background: #fee2e2; color: #991b1b; }

.ssr-fw-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.ssr-seo-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.ssr-seo-pass { background: #d1fae5; color: #065f46; }
.ssr-seo-fail { background: #fee2e2; color: #991b1b; }

.ssr-seo-note {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 8px;
  line-height: 1.5;
}

.ssr-seo-note strong { font-weight: 600; color: var(--color-text); }

/* Detected Technologies */
.ssr-tech-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.ssr-tech-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  min-width: 140px;
}

.ssr-tech-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ssr-tech-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}

/* Response Headers table */
.ssr-headers-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.ssr-headers-table thead th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ssr-headers-table tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: top;
}

.ssr-headers-table tbody tr:last-child td { border-bottom: none; }

.ssr-header-name {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-accent);
  white-space: nowrap;
}

.ssr-header-val {
  font-family: var(--font-mono);
  font-size: 11px;
  word-break: break-all;
}

/* Metric cards */
.ssr-metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.ssr-metric-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 18px;
  text-align: center;
  border-top: 3px solid var(--color-border);
}

.ssr-metric-card.ssr-m-good { border-top-color: #16A34A; }
.ssr-metric-card.ssr-m-warn { border-top-color: #D97706; }
.ssr-metric-card.ssr-m-bad { border-top-color: #DC2626; }

.ssr-metric-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.ssr-metric-value {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 900;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 4px;
}

.ssr-metric-sub {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* Coverage bar */
.ssr-coverage-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
}

.ssr-coverage-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.ssr-coverage-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.ssr-coverage-row:last-child { margin-bottom: 0; }

.ssr-coverage-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  min-width: 140px;
}

.ssr-coverage-bar-wrap {
  flex: 1;
  height: 8px;
  background: var(--color-border);
  border-radius: 999px;
  overflow: hidden;
}

.ssr-coverage-bar {
  height: 100%;
  border-radius: 999px;
  transition: width 0.6s ease;
}

.ssr-coverage-bar.ssr-bar-green { background: #16A34A; }
.ssr-coverage-bar.ssr-bar-yellow { background: #D97706; }
.ssr-coverage-bar.ssr-bar-red { background: #DC2626; }

.ssr-coverage-val {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  min-width: 60px;
  text-align: right;
}

/* Signals */
.ssr-signals-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ssr-signal-count {
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 600;
}

.ssr-signal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.ssr-signal-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  border-left: 3px solid var(--color-border);
}

.ssr-signal-card.ssr-s-positive { border-left-color: #16A34A; }
.ssr-signal-card.ssr-s-warning { border-left-color: #D97706; }
.ssr-signal-card.ssr-s-neutral { border-left-color: #6B7280; }

.ssr-signal-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.ssr-s-positive .ssr-signal-icon { background: #d1fae5; color: #16A34A; }
.ssr-s-warning .ssr-signal-icon { background: #fef3c7; color: #D97706; }
.ssr-s-neutral .ssr-signal-icon { background: var(--color-bg-alt); color: #6B7280; }

.ssr-signal-icon svg { width: 10px; height: 10px; }

.ssr-signal-text { flex: 1; }

.ssr-signal-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.ssr-signal-detail {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* Head tag comparison */
.ssr-head-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.ssr-head-table thead th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.ssr-head-table tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: top;
}

.ssr-head-table tbody tr:last-child td { border-bottom: none; }

.ssr-head-tag {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-accent);
}

.ssr-head-val {
  font-family: var(--font-mono);
  font-size: 11px;
  word-break: break-all;
  max-width: 300px;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ssr-head-val.ssr-empty { color: var(--color-text-muted); font-style: italic; }

.ssr-head-match { color: #16A34A; font-weight: 600; }
.ssr-head-diff { color: #DC2626; font-weight: 600; }

/* HTML Diff */
.ssr-diff-wrap {
  background: #0f172a;
  border-radius: 12px;
  overflow: hidden;
}

.ssr-diff-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: #1e293b;
  border-bottom: 1px solid #334155;
}

.ssr-diff-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ssr-diff-legend {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: #94a3b8;
}

.ssr-diff-legend span { display: flex; align-items: center; gap: 4px; }

.ssr-diff-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.ssr-diff-dot.ssr-d-add { background: #22C55E; }
.ssr-diff-dot.ssr-d-remove { background: #EF4444; }
.ssr-diff-dot.ssr-d-unchanged { background: #64748B; }

.ssr-diff-body {
  max-height: 500px;
  overflow-y: auto;
  padding: 12px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
}

.ssr-diff-line {
  display: flex;
  padding: 1px 16px;
}

.ssr-diff-line.ssr-d-add { background: rgba(34, 197, 94, 0.1); color: #86efac; }
.ssr-diff-line.ssr-d-remove { background: rgba(239, 68, 68, 0.1); color: #fca5a5; }
.ssr-diff-line.ssr-d-unchanged { color: #64748B; }

.ssr-diff-prefix {
  width: 20px;
  flex-shrink: 0;
  text-align: center;
  font-weight: 700;
  user-select: none;
}

.ssr-diff-text {
  flex: 1;
  white-space: pre-wrap;
  word-break: break-all;
}

@media (max-width: 768px) {
  .ssr-hero { flex-direction: column; text-align: center; gap: 16px; padding: 20px; }
  .ssr-hero-tags { justify-content: center; }
  .ssr-metric-grid { grid-template-columns: repeat(2, 1fr); }
  .ssr-signal-grid { grid-template-columns: 1fr; }
}

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