/* ===== Design tokens ===== */
:root {
  --bg: #0B1120;
  --bg-panel: #131B2E;
  --bg-panel-raised: #182338;
  --border: #263149;
  --text: #E7ECF5;
  --text-muted: #8B98B0;
  --accent: #FDB022;      /* signal amber */
  --accent-2: #38BDF8;    /* scan cyan */
  --radius: 3px;

  --critical: #F04438;
  --high: #F79009;
  --medium: #FDB022;
  --low: #38BDF8;
  --info: #8B98B0;

  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

html[data-theme="light"] {
  --bg: #F5F6F9;
  --bg-panel: #FFFFFF;
  --bg-panel-raised: #FFFFFF;
  --border: #D9DEE8;
  --text: #131B2E;
  --text-muted: #5B6579;
  --accent: #B7690A;
  --accent-2: #0369A1;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
}

a { color: inherit; }

.scan-line {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 50;
  background: linear-gradient(90deg, transparent, var(--accent-2), transparent);
  opacity: 0.6;
  animation: sweep 6s linear infinite;
}
@keyframes sweep {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
@media (prefers-reduced-motion: reduce) {
  .scan-line { animation: none; display: none; }
}

/* ===== Topbar ===== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 64px);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex; align-items: center; gap: 8px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text);
}
.brand-mark { color: var(--accent); font-size: 1.3rem; }
.brand-accent { color: var(--accent-2); }
.topnav { display: flex; gap: 28px; }
.topnav a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
.topnav a.active, .topnav a:hover { color: var(--text); border-bottom-color: var(--accent-2); }

.theme-toggle {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  width: 34px; height: 34px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.icon-moon { display: none; }
html[data-theme="light"] .icon-sun { display: none; }
html[data-theme="light"] .icon-moon { display: inline; }

/* ===== Layout ===== */
.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(24px, 5vw, 56px) clamp(20px, 5vw, 64px) 80px;
}

.footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
  padding: 28px 20px 40px;
  border-top: 1px solid var(--border);
}

/* ===== Hero ===== */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
  padding: 36px 0 48px;
  border-bottom: 1px solid var(--border);
}
.hero-kicker {
  font-family: var(--font-mono);
  color: var(--accent-2);
  font-size: 0.85rem;
  margin: 0 0 12px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  line-height: 1.15;
  margin: 0 0 16px;
}
.hero-sub {
  color: var(--text-muted);
  max-width: 42ch;
  margin: 0;
}

.scan-console {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.console-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.console-input-row {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  gap: 8px;
  margin-bottom: 14px;
}
.console-prompt { color: var(--accent); font-family: var(--font-mono); }
.console-input-row input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.95rem;
}
.console-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.btn-primary {
  width: 100%;
  background: var(--accent);
  color: #1A1200;
  border: none;
  border-radius: var(--radius);
  padding: 12px 16px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
}
.btn-primary:hover { filter: brightness(1.08); }
.console-note {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin: 12px 0 0;
}

.btn-secondary {
  display: inline-block;
  text-decoration: none;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 16px;
  border-radius: var(--radius);
  font-size: 0.88rem;
}
.btn-secondary:hover { border-color: var(--accent-2); }
.btn-small { padding: 6px 12px; font-size: 0.8rem; }

/* ===== Stats grid ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 32px 0;
}
.stat-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-2);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-panel--warn { border-left-color: var(--critical); }
.stat-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
}
.stat-label { color: var(--text-muted); font-size: 0.85rem; }

/* ===== Recent scans ===== */
.recent-section { padding: 12px 0 32px; }
.recent-section h2, .how-it-works h2, .findings-section h2, .info-panel h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 16px;
}
.recent-list { display: flex; flex-direction: column; gap: 8px; }
.recent-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  text-decoration: none;
  color: var(--text);
}
.recent-row:hover { border-color: var(--accent-2); }
.recent-target { font-family: var(--font-mono); font-size: 0.9rem; }

/* ===== How it works ===== */
.how-it-works { padding: 16px 0 8px; }
.checks-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.check-item {
  border-top: 2px solid var(--accent);
  padding-top: 10px;
}
.check-index {
  display: block;
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.8rem;
  margin-bottom: 6px;
}
.check-item p { margin: 0; color: var(--text-muted); font-size: 0.88rem; }

/* ===== Severity palette ===== */
.sev-critical { --sev-color: var(--critical); }
.sev-high { --sev-color: var(--high); }
.sev-medium { --sev-color: var(--medium); }
.sev-low { --sev-color: var(--low); }
.sev-info { --sev-color: var(--info); }

.severity-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--sev-color) 18%, transparent);
  color: var(--sev-color);
  border: 1px solid color-mix(in srgb, var(--sev-color) 45%, transparent);
}

/* ===== Report header ===== */
.report-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.report-header h1 {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  word-break: break-all;
  margin: 4px 0;
}
.report-meta { color: var(--text-muted); font-size: 0.85rem; margin: 0; }

.risk-badge {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 14px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-panel);
  flex-wrap: wrap;
}
.risk-score { font-family: var(--font-display); font-size: 2rem; font-weight: 700; }
.risk-max { color: var(--text-muted); }
.risk-label { width: 100%; font-size: 0.82rem; color: var(--text-muted); }
.risk-critical-risk { border-color: var(--critical); }
.risk-high-risk { border-color: var(--high); }
.risk-medium-risk { border-color: var(--medium); }
.risk-low-risk { border-color: var(--low); }
.risk-minimal-risk { border-color: var(--info); }

.export-bar { display: flex; gap: 10px; padding: 20px 0; }

/* ===== Severity summary tiles ===== */
.severity-summary {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  padding-bottom: 32px;
}
.severity-tile {
  text-align: center;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  border-bottom: 3px solid var(--sev-color);
  background: var(--bg-panel);
  padding: 14px 6px;
}
.severity-count { display: block; font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--sev-color); }
.severity-name { font-size: 0.78rem; color: var(--text-muted); text-transform: capitalize; }

/* ===== Info panels (cert, ports) ===== */
.info-panel { padding-bottom: 32px; }
.cert-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 0;
}
.cert-grid dt { color: var(--text-muted); font-size: 0.85rem; }
.cert-grid dd { margin: 0; font-family: var(--font-mono); font-size: 0.88rem; }

.port-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.port-chip {
  font-family: var(--font-mono);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: 0.85rem;
}

/* ===== Findings ===== */
.category-block { margin-bottom: 28px; }
.category-block h3 {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent-2);
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}
.finding-list { display: flex; flex-direction: column; gap: 10px; }
.finding-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--sev-color);
  border-radius: var(--radius);
  padding: 14px 18px;
}
.finding-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; flex-wrap: wrap; }
.finding-sev-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--sev-color);
  border: 1px solid color-mix(in srgb, var(--sev-color) 45%, transparent);
  border-radius: 3px;
  padding: 2px 7px;
}
.finding-title { font-weight: 600; }
.finding-desc { margin: 0 0 6px; color: var(--text-muted); font-size: 0.9rem; }
.finding-rec { margin: 0; font-size: 0.88rem; }

/* ===== History table ===== */
.page-header { padding-bottom: 24px; }
.page-header h1 { font-family: var(--font-display); font-size: 1.8rem; margin: 6px 0 0; }
.history-table-wrap { overflow-x: auto; }
.history-table { width: 100%; border-collapse: collapse; }
.history-table th, .history-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.history-table th { color: var(--text-muted); font-weight: 500; font-size: 0.8rem; }
.empty-state { color: var(--text-muted); }

/* ===== Flash messages ===== */
.flash-stack { margin-bottom: 20px; display: flex; flex-direction: column; gap: 8px; }
.flash {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  border: 1px solid var(--border);
}
.flash-error { border-color: var(--critical); color: var(--critical); }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .checks-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: 1fr; }
  .severity-summary { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 520px) {
  .checks-grid { grid-template-columns: 1fr; }
  .severity-summary { grid-template-columns: repeat(2, 1fr); }
  .topnav { gap: 16px; }
  .report-header { flex-direction: column; }
}

:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }