:root {
  --bg: #0b0f14;
  --panel: #121821;
  --panel-2: #0e141c;
  --border: #223041;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #39d98a;
  --accent-dim: #1f8f5c;
  --link: #58a6ff;
  --danger: #ff6b6b;
  --danger-dim: #4a2323;
  --warning: #f0c674;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.5;
}

a { color: var(--link); }

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
  text-decoration: none;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.site-header nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-header nav a:hover,
.site-header nav a.active {
  color: var(--accent);
}

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

h1 { font-size: 1.9rem; margin-bottom: 0.25rem; }
h2 { font-size: 1.25rem; margin-top: 2rem; }
.lede { color: var(--muted); font-size: 1.05rem; max-width: 65ch; }
.muted { color: var(--muted); }

.callout {
  border: 1px solid var(--border);
  border-left-width: 4px;
  border-radius: 6px;
  padding: 0.9rem 1.1rem;
  margin: 1.25rem 0;
  background: var(--panel);
  font-size: 0.95rem;
}

.callout.safety { border-left-color: var(--accent); }
.callout.warning { border-left-color: var(--warning); }
.callout.danger { border-left-color: var(--danger); }

.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 1.5rem 0;
}

@media (max-width: 720px) {
  .demo-grid { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
}

.panel h2 { margin-top: 0; font-size: 1.05rem; }

.panel label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.75rem 0 0.3rem;
}

.panel input[type="text"],
.panel input[type="password"],
.panel textarea {
  width: 100%;
  padding: 0.55rem 0.65rem;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.95rem;
}

.panel textarea { resize: vertical; min-height: 4.5rem; }

button {
  font-family: var(--sans);
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
}

button.primary {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: #06150d;
  font-weight: 600;
}

button:disabled { opacity: 0.5; cursor: not-allowed; }
button:not(:disabled):hover { border-color: var(--accent); }

.terminal {
  background: #06090d;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  height: 220px;
  overflow-y: auto;
  color: var(--accent);
}

.terminal .row { white-space: pre-wrap; margin-bottom: 2px; }
.terminal .row .ts { color: var(--muted); }
.terminal .row.exfil { color: var(--danger); }
.terminal .placeholder { color: var(--muted); }

.reconstructed {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.reconstructed code {
  display: block;
  margin-top: 0.3rem;
  padding: 0.5rem;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  word-break: break-all;
  min-height: 1.4rem;
}

.explainer ul { padding-left: 1.25rem; }
.explainer li { margin-bottom: 0.4rem; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  text-decoration: none;
  color: var(--text);
  display: block;
}

.card:hover { border-color: var(--accent); }
.card h3 { margin: 0 0 0.4rem; color: var(--accent); font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.9rem; }

.meter {
  height: 10px;
  border-radius: 5px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  overflow: hidden;
  margin: 0.5rem 0;
}

.meter-fill {
  height: 100%;
  width: 0%;
  transition: width 0.15s ease, background 0.15s ease;
}

.strength-label {
  font-weight: 600;
  font-family: var(--mono);
}

table.crack-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.75rem;
  font-size: 0.9rem;
}

table.crack-table th,
table.crack-table td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
}

table.crack-table th { color: var(--muted); font-weight: 600; }

.hash-output {
  font-family: var(--mono);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
  word-break: break-all;
  font-size: 0.95rem;
}

.hash-output .diff { color: var(--danger); }

.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.stat-row strong { color: var(--text); }

.email {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.email-header {
  background: var(--panel-2);
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.email-header .field { margin-bottom: 0.2rem; }
.email-header .field .k { color: var(--muted); display: inline-block; width: 4.5rem; }

.email-body { padding: 1.1rem; font-size: 0.95rem; }

.hotspot {
  background: none;
  border: none;
  border-bottom: 1px dashed var(--warning);
  color: inherit;
  font: inherit;
  padding: 0;
  cursor: pointer;
}

.hotspot.found {
  border-bottom-style: solid;
  border-bottom-color: var(--accent);
  background: var(--danger-dim);
}

.hotspot-explain {
  display: none;
  margin-top: 0.4rem;
  font-size: 0.85rem;
  color: var(--warning);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.7rem;
}

.hotspot-explain.show { display: block; }

.score-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 1rem 0;
  font-family: var(--mono);
  font-size: 0.95rem;
}