:root {
  --bg: #0b1220;
  --bg-elev: #131b2e;
  --bg-elev-2: #1a2440;
  --border: #243049;
  --border-strong: #36456b;
  --text: #e6ecf8;
  --text-dim: #a6b0c8;
  --text-muted: #6f7a96;
  --accent: #6ee7b7;
  --accent-strong: #10b981;
  --safe: #34d399;
  --caution: #fbbf24;
  --trap: #f87171;
  --shadow: 0 12px 32px rgba(2, 6, 23, 0.35);
  --radius: 12px;
  --radius-sm: 8px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f7fb;
    --bg-elev: #ffffff;
    --bg-elev-2: #f0f3fa;
    --border: #e1e6f0;
    --border-strong: #c9d2e3;
    --text: #0f172a;
    --text-dim: #475569;
    --text-muted: #94a3b8;
    --accent: #0f766e;
    --accent-strong: #0d645c;
    --safe: #047857;
    --caution: #b45309;
    --trap: #b91c1c;
    --shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  }
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Header ---- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #02110b;
  font-weight: 800;
  border-radius: 10px;
  letter-spacing: -0.5px;
}
.brand h1 {
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.2px;
}
.brand-text p {
  margin: 0;
  color: var(--text-dim);
  font-size: 13px;
}
.header-nav {
  display: flex;
  gap: 18px;
  font-size: 14px;
}
.header-nav a {
  color: var(--text-dim);
}

/* ---- Main layout ---- */
main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

section {
  margin-bottom: 32px;
}

/* ---- Scan panel ---- */
.scan-panel {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.scan-row {
  display: flex;
  gap: 10px;
}
#url-input {
  flex: 1;
  background: var(--bg-elev-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
#url-input:focus {
  border-color: var(--accent);
}
#scan-button {
  background: var(--accent);
  color: #02110b;
  border: 0;
  border-radius: var(--radius-sm);
  padding: 12px 22px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
#scan-button:hover { background: var(--accent-strong); color: #fff; }
#scan-button:active { transform: translateY(1px); }
.scan-samples {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.samples-label {
  color: var(--text-dim);
  font-size: 13px;
}
.sample-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.sample-pill {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.sample-pill:hover {
  border-color: var(--accent);
  color: var(--text);
}
.scan-hint {
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--text-muted);
}

/* ---- Results header ---- */
.result-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-top: 24px;
  box-shadow: var(--shadow);
}
.result-meta {
  min-width: 0;
}
.meta-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
}
#result-url {
  display: block;
  margin: 6px 0 12px;
  font-family: var(--mono);
  color: var(--text);
  font-size: 14px;
  word-break: break-all;
}
.result-summary {
  margin: 0;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.55;
}
.score-card {
  background: var(--bg-elev-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 160px;
  border-left: 6px solid var(--text-muted);
}
.score-card.is-safe { border-left-color: var(--safe); }
.score-card.is-caution { border-left-color: var(--caution); }
.score-card.is-trap { border-left-color: var(--trap); }

.score-value {
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.score-card.is-safe .score-value { color: var(--safe); }
.score-card.is-caution .score-value { color: var(--caution); }
.score-card.is-trap .score-value { color: var(--trap); }

.score-label {
  margin-top: 6px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--text-dim);
}
.score-detail {
  margin-top: 4px;
  font-size: 11px;
  color: var(--text-muted);
}

/* ---- Tabs ---- */
.tabs {
  display: flex;
  gap: 4px;
  margin-top: 22px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.tab {
  background: transparent;
  border: 0;
  color: var(--text-dim);
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.tab:hover { color: var(--text); }
.tab.is-active {
  color: var(--text);
  border-bottom-color: var(--accent);
}
.finding-pill {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
}
.tab.is-active .finding-pill {
  border-color: var(--accent);
  color: var(--accent);
}

.tab-panels {
  margin-top: 18px;
}
.panel {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  display: none;
}
.panel.is-active {
  display: block;
}
.panel-intro {
  margin: 0 0 16px;
  color: var(--text-dim);
  font-size: 13px;
}

/* ---- Human view iframe ---- */
.human-frame {
  width: 100%;
  height: 560px;
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
}

/* ---- Agent view ---- */
.agent-view {
  background: var(--bg-elev-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-wrap: break-word;
  max-height: 600px;
  overflow: auto;
  color: var(--text);
  margin: 0;
}
.agent-view mark {
  background: rgba(248, 113, 113, 0.22);
  border-bottom: 2px solid var(--trap);
  color: var(--text);
  padding: 1px 2px;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.15s;
}
.agent-view mark[data-severity="critical"] {
  background: rgba(248, 113, 113, 0.32);
  border-bottom-color: var(--trap);
}
.agent-view mark[data-severity="high"] {
  background: rgba(251, 191, 36, 0.28);
  border-bottom-color: var(--caution);
}
.agent-view mark[data-severity="medium"] {
  background: rgba(251, 191, 36, 0.18);
  border-bottom-color: var(--caution);
}
.agent-view mark[data-severity="low"] {
  background: rgba(110, 231, 183, 0.18);
  border-bottom-color: var(--accent);
}
.agent-view mark.is-focused {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---- Findings list ---- */
.findings-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.finding-card {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-left: 4px solid var(--text-muted);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s;
}
.finding-card:hover { border-color: var(--accent); }
.finding-card:active { transform: translateY(1px); }
.finding-card[data-severity="critical"] { border-left-color: var(--trap); }
.finding-card[data-severity="high"]     { border-left-color: var(--caution); }
.finding-card[data-severity="medium"]   { border-left-color: var(--caution); }
.finding-card[data-severity="low"]      { border-left-color: var(--accent); }
.finding-card.empty {
  border-left-color: var(--safe);
  cursor: default;
  text-align: center;
  color: var(--text-dim);
  padding: 26px;
}

.finding-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: baseline;
  flex-wrap: wrap;
}
.finding-title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.finding-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.tag {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--text-dim);
  letter-spacing: 0.6px;
}
.tag.severity-critical { background: rgba(248, 113, 113, 0.18); border-color: var(--trap); color: var(--trap); }
.tag.severity-high     { background: rgba(251, 191, 36, 0.20); border-color: var(--caution); color: var(--caution); }
.tag.severity-medium   { background: rgba(251, 191, 36, 0.12); border-color: var(--caution); color: var(--caution); }
.tag.severity-low      { background: rgba(110, 231, 183, 0.15); border-color: var(--accent); color: var(--accent); }
.tag.family            { background: var(--bg-elev); }

.finding-excerpt {
  margin: 10px 0 6px;
  padding: 10px 12px;
  background: var(--bg-elev);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text);
  border: 1px dashed var(--border-strong);
}
.finding-meta {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--text-muted);
}
.finding-mitigation {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--text-dim);
}
.finding-mitigation strong {
  color: var(--text);
}

/* ---- Cleaned prompt ---- */
.cleaned-prompt {
  background: var(--bg-elev-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-wrap: break-word;
  margin: 0;
  color: var(--text);
  max-height: 600px;
  overflow: auto;
}
.cleaned-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.ghost-button {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.ghost-button:hover { border-color: var(--accent); color: var(--accent); }
.copy-status {
  font-size: 12px;
  color: var(--accent);
}

/* ---- How it works + sources ---- */
.how-it-works, .sources {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.how-it-works h2,
.sources h2 {
  margin: 0 0 16px;
  font-size: 18px;
  letter-spacing: -0.2px;
}
.how-steps {
  margin: 0;
  padding: 0 0 0 18px;
  display: grid;
  gap: 16px;
}
.how-steps li::marker {
  color: var(--accent);
  font-weight: 700;
}
.how-steps h3 {
  margin: 0 0 4px;
  font-size: 15px;
  color: var(--text);
}
.how-steps p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14px;
}
.sources ul {
  margin: 0;
  padding: 0 0 0 18px;
  display: grid;
  gap: 8px;
}
.sources li {
  color: var(--text-dim);
  font-size: 14px;
}

/* ---- Footer ---- */
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 28px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
  flex-wrap: wrap;
}

/* ---- Mobile ---- */
@media (max-width: 720px) {
  .site-header { padding: 14px 18px; }
  .header-nav { display: none; }
  main { padding: 18px 14px 60px; }
  .scan-row { flex-direction: column; }
  #scan-button { width: 100%; }
  .result-header {
    grid-template-columns: 1fr;
  }
  .score-card { align-self: stretch; align-items: flex-start; }
  .human-frame { height: 460px; }
}