:root {
  --bg: #0f1115;
  --panel: #161922;
  --panel-2: #1d2230;
  --fg: #e8eaed;
  --fg-dim: #9aa0a6;
  --accent: #7cb7ff;
  --good: #6ee7b7;
  --warn: #fbbf24;
  --bad: #f87171;
  --border: #2a2f3d;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

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

header {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 12px;
  border-bottom: 1px solid var(--border);
}

header .row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

header h1 {
  font-size: 28px;
  margin: 0;
  letter-spacing: -0.01em;
}

header nav {
  display: flex;
  gap: 16px;
  font-size: 14px;
}

.tagline {
  color: var(--fg-dim);
  margin: 12px 0 0;
  font-size: 15px;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px;
}

section {
  margin: 28px 0;
}

section h2 {
  font-size: 18px;
  margin: 0 0 10px;
  color: var(--fg);
}

#chat .status {
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--fg-dim);
  font-size: 14px;
  font-family: var(--mono);
}
.status-loading { color: var(--warn); }
.status-ready   { color: var(--good); }
.status-error   { color: var(--bad); }

#meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--fg-dim);
  margin-top: 8px;
}
.hidden { display: none !important; }
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 8px var(--good);
}

#transcript {
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 120px;
}

.turn {
  padding: 12px 14px;
  border-radius: 10px;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: 15px;
}
.turn.user {
  background: var(--panel-2);
  border: 1px solid var(--border);
}
.turn.eli {
  background: var(--panel);
  border: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 14px;
}
.turn .role {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-dim);
  margin-bottom: 4px;
}

#input-form {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

#prompt {
  flex: 1;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--fg);
  font-size: 15px;
  font-family: inherit;
}
#prompt:disabled { opacity: 0.5; }
#prompt:focus { outline: 2px solid var(--accent); outline-offset: 0; }

button {
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--accent);
  color: #0b1220;
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
}
button:disabled { opacity: 0.5; cursor: not-allowed; }
button#clear {
  background: var(--panel);
  color: var(--fg-dim);
}

.controls {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-top: 12px;
  font-size: 13px;
  color: var(--fg-dim);
  flex-wrap: wrap;
}
.controls input[type="range"] {
  vertical-align: middle;
}
.controls input[type="number"] {
  width: 70px;
  padding: 4px 6px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--fg);
  font-family: var(--mono);
}

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

pre {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  font-size: 12px;
  font-family: var(--mono);
  overflow-x: auto;
  color: var(--fg-dim);
  margin: 0;
}

code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--panel);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

ul { padding-left: 22px; }
li { margin: 6px 0; }

footer {
  max-width: 760px;
  margin: 32px auto 28px;
  padding: 18px 20px 0;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--fg-dim);
}

/* Proof / donate pages */

.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  margin: 16px 0;
}
.badge {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
}
.badge .name {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-dim);
}
.badge .num {
  font-size: 20px;
  font-weight: 600;
  margin-top: 2px;
  font-family: var(--mono);
}
.badge .verdict {
  display: inline-block;
  font-size: 11px;
  margin-left: 8px;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--good);
  color: #062a1a;
  font-weight: 700;
}
.badge .verdict.fail {
  background: var(--bad);
  color: #2a0606;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 14px;
}
th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 13px;
}
th {
  color: var(--fg-dim);
  font-weight: 500;
}

.cta {
  display: inline-block;
  margin: 16px 0;
  padding: 14px 22px;
  border-radius: 10px;
  background: var(--accent);
  color: #0b1220 !important;
  font-weight: 600;
  text-decoration: none;
}
.cta:hover { text-decoration: none; opacity: 0.9; }

@media (max-width: 520px) {
  header { padding: 20px 14px 10px; }
  main { padding: 14px; }
  header h1 { font-size: 24px; }
  .turn { font-size: 14px; }
  #prompt { font-size: 14px; }
}