:root {
  --bg: #0b0d10;
  --panel: #14171c;
  --panel-2: #1a1e25;
  --border: #2a2f38;
  --ink: #e9ecf1;
  --ink-dim: #8b94a3;
  --ink-faint: #555d6b;
  --accent: #67e8b9;
  --accent-soft: rgba(103, 232, 185, 0.15);
  --regex: #f5c265;
  --regex-soft: rgba(245, 194, 101, 0.15);
  --semantic: #67e8b9;
  --semantic-soft: rgba(103, 232, 185, 0.15);
  --tinyml: #8aa9ff;
  --tinyml-soft: rgba(138, 169, 255, 0.15);
  --danger: #ef6b6b;
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 20px 32px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.brand h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.tag {
  margin: 4px 0 0;
  color: var(--ink-dim);
  font-size: 12px;
}

.tag .atlas { color: var(--accent); }
.tag .tinyml { color: var(--tinyml); }

.stats {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
}

.stat-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.stat-value {
  font-family: var(--mono);
  font-size: 26px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 880px;
  margin: 0 auto;
  width: 100%;
  padding: 0 32px;
  overflow: hidden;
}

.chat {
  flex: 1;
  overflow-y: auto;
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.msg {
  display: flex;
  flex-direction: column;
  max-width: 80%;
}

.msg.user {
  align-self: flex-end;
  align-items: flex-end;
}

.msg.agent {
  align-self: flex-start;
  align-items: flex-start;
  max-width: 92%;
}

.msg.system .bubble {
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--ink-dim);
}

.bubble {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 14px;
  font-family: var(--mono);
  white-space: pre-wrap;
  word-break: break-word;
}

.msg.user .bubble {
  background: var(--accent-soft);
  border-color: rgba(103, 232, 185, 0.4);
  color: var(--ink);
}

.bubble p {
  margin: 0 0 6px;
  font-family: -apple-system, "Inter", system-ui, sans-serif;
}

.bubble p:last-child { margin-bottom: 0; }

.agent-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 640px;
}

.row-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ai-sees {
  font-family: var(--mono);
  font-size: 13px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  white-space: pre-wrap;
  word-break: break-word;
}

.tok-regex {
  background: var(--regex-soft);
  color: var(--regex);
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.tok-semantic {
  background: var(--semantic-soft);
  color: var(--semantic);
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.tok-tinyml {
  background: var(--tinyml-soft);
  color: var(--tinyml);
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.suggestions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.prompt {
  background: var(--bg);
  border: 1px solid var(--tinyml);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.prompt .quoted {
  font-family: var(--mono);
  color: var(--tinyml);
  font-weight: 600;
}

.prompt .why {
  color: var(--ink-dim);
  font-size: 12px;
}

.prompt-actions {
  margin-left: auto;
  display: flex;
  gap: 6px;
}

.prompt-actions button {
  border-radius: 6px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  font-family: var(--mono);
}

.btn-yes {
  background: var(--accent);
  color: #0b0d10;
  border-color: var(--accent);
}

.btn-yes:hover { transform: translateY(-1px); }

.btn-no {
  background: transparent;
  color: var(--ink-dim);
}

.btn-no:hover { color: var(--ink); border-color: var(--ink-dim); }

.prompt.resolved .prompt-actions {
  display: none;
}

.prompt.resolved.yes {
  border-color: var(--accent);
  background: linear-gradient(0deg, var(--accent-soft), transparent 60%), var(--bg);
}

.prompt.resolved.no {
  border-color: rgba(239, 107, 107, 0.35);
  background: linear-gradient(0deg, rgba(239, 107, 107, 0.08), transparent 60%), var(--bg);
}

.prompt.resolved.no .quoted {
  text-decoration: line-through;
  text-decoration-color: var(--danger);
  text-decoration-thickness: 2px;
  opacity: 0.65;
}

.prompt.resolved.no .why {
  text-decoration: line-through;
  opacity: 0.5;
}

.prompt .resolution {
  width: 100%;
  margin-top: 4px;
  font-size: 12px;
  font-family: var(--mono);
  display: flex;
  align-items: center;
  gap: 6px;
}

.prompt .resolution.yes { color: var(--accent); }
.prompt .resolution.no  { color: var(--danger); }

.prompt .resolution .icon {
  font-size: 14px;
  font-weight: 700;
}

.matches-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
}

.match-chip {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
  color: var(--ink-dim);
}

.match-chip.regex { color: var(--regex); border-color: var(--regex-soft); }
.match-chip.semantic { color: var(--semantic); border-color: var(--semantic-soft); }

.empty-suggest {
  font-size: 12px;
  color: var(--ink-faint);
  font-style: italic;
}

.ai-reply .ai-bubble {
  background: var(--panel);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 14px;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ai-real {
  color: var(--ink);
  font-family: -apple-system, "Inter", system-ui, sans-serif;
  white-space: pre-wrap;
}

.ai-redacted-toggle summary {
  cursor: pointer;
  color: var(--ink-faint);
  font-size: 11px;
  font-family: var(--mono);
  user-select: none;
}

.ai-redacted-toggle summary:hover { color: var(--ink-dim); }

.ai-redacted {
  margin-top: 8px;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-dim);
  white-space: pre-wrap;
  word-break: break-word;
}

.thinking {
  font-size: 12px;
  color: var(--ink-faint);
}

.thinking::after {
  content: "…";
  animation: dots 1.2s infinite;
}

@keyframes dots {
  0%, 20% { content: "."; }
  40% { content: ".."; }
  60%, 100% { content: "..."; }
}

.presets-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  flex-shrink: 0;
}

.presets-label {
  color: var(--ink-faint);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.preset {
  background: var(--panel-2);
  color: var(--ink-dim);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 12px;
  font-family: var(--mono);
  cursor: pointer;
  transition: all 0.15s;
}

.preset:hover {
  background: var(--border);
  color: var(--ink);
}

.composer {
  display: flex;
  gap: 10px;
  padding: 12px 0 18px;
  flex-shrink: 0;
}

textarea#input {
  flex: 1;
  background: var(--panel-2);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 13px;
  resize: none;
}

textarea#input:focus {
  outline: none;
  border-color: var(--accent);
}

button.primary {
  background: var(--accent);
  color: #0b0d10;
  border: none;
  border-radius: 10px;
  padding: 0 22px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: transform 0.1s;
}

button.primary:hover { transform: translateY(-1px); }
button.primary:disabled { opacity: 0.5; cursor: wait; transform: none; }

footer {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 32px;
  border-top: 1px solid var(--border);
  color: var(--ink-faint);
  font-size: 11px;
  flex-shrink: 0;
}

.dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.dot.regex::before { background: var(--regex); }
.dot.semantic::before { background: var(--semantic); }
.dot.tinyml::before { background: var(--tinyml); }

.repo { margin-left: auto; }
.repo a { color: var(--ink-dim); text-decoration: none; }
.repo a:hover { color: var(--accent); }