:root {
  --bg: #0d1117;
  --panel: #151b23;
  --panel-2: #1c232c;
  --border: #2a3441;
  --text: #e6edf3;
  --muted: #8b96a3;
  --accent: #7c9cff;
  --accent-2: #5dd5a8;
  --warn: #ffb454;
  --danger: #ff7878;
  --radius: 10px;
  --max: 760px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: rgba(13,17,23,0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.brand .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 12px var(--accent-2);
}
.brand .name { letter-spacing: 0.2px; }
nav a { font-size: 0.95rem; }

.container {
  max-width: var(--max);
  margin: 32px auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.container-narrow { max-width: 680px; }

.hero { padding: 24px 4px 0; }
.hero h1 {
  font-size: 2.2rem;
  margin: 0 0 12px;
  letter-spacing: -0.5px;
}
.lede { color: var(--muted); font-size: 1.05rem; max-width: 60ch; }
.lede strong { color: var(--text); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.card h2 {
  margin: 0 0 12px;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.muted { color: var(--muted); }
.muted a { color: var(--accent); }

.bullet-list { margin: 0; padding-left: 20px; }
.bullet-list li { margin: 6px 0; }

.kv {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 8px 0 16px;
  border-top: 1px solid var(--border);
}
.kv > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.kv span { color: var(--muted); font-size: 0.9rem; }
.kv b { font-weight: 500; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9rem; }

.big-button {
  display: inline-block;
  padding: 10px 16px;
  background: var(--accent);
  color: #0d1117;
  border-radius: 8px;
  font-weight: 600;
  margin-top: 4px;
}
.big-button:hover { text-decoration: none; opacity: 0.92; }

pre {
  background: var(--panel-2);
  padding: 12px;
  border-radius: 8px;
  font-size: 0.78rem;
  overflow: auto;
  max-height: 220px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
  cursor: pointer;
  transition: border-color 120ms, background 120ms;
}
.dropzone.drag { border-color: var(--accent); background: rgba(124,156,255,0.05); }
.dropzone input { display: none; }
.dropzone p { margin: 6px 0; color: var(--muted); }
.status.ok { color: var(--accent-2); }
.status.err { color: var(--danger); }

.messages {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 420px;
  min-height: 160px;
  overflow-y: auto;
  padding: 4px 2px 8px;
}
.msg {
  padding: 10px 14px;
  border-radius: 10px;
  max-width: 85%;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.msg-bot { background: var(--panel-2); align-self: flex-start; border: 1px solid var(--border); }
.msg-user { background: var(--accent); color: #0d1117; align-self: flex-end; }
.msg-err { background: rgba(255,120,120,0.10); color: var(--danger); align-self: flex-start; border: 1px solid rgba(255,120,120,0.3); }

.chat-form {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.chat-form input {
  flex: 1;
  padding: 10px 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  font-size: 0.95rem;
}
.chat-form input:focus { outline: none; border-color: var(--accent); }
.chat-form button {
  padding: 10px 18px;
  background: var(--accent);
  color: #0d1117;
  border: 0;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
}
.chat-form button:disabled { opacity: 0.5; cursor: not-allowed; }

.footer-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  margin: 12px 0 32px;
}

@media (min-width: 720px) {
  .kv { grid-template-columns: 1fr 1fr; }
  .kv > div { padding: 10px 14px; }
  .kv > div:nth-child(odd) { border-right: 1px solid var(--border); }
  .hero h1 { font-size: 2.6rem; }
}

/* --- Inline citations --- */

.citation {
  color: var(--accent);
  font-size: 0.78em;
  font-weight: 600;
  cursor: pointer;
  vertical-align: super;
  line-height: 0;
  padding: 0 1px;
}
.citation:hover {
  text-decoration: underline;
}

/* --- Contributor card highlight on citation click --- */

.contrib-card {
  transition: outline-color 200ms;
  outline: 2px solid transparent;
  outline-offset: -2px;
}
.contrib-highlight {
  outline-color: var(--accent);
}

/* --- Contributor number badge --- */

.contrib-num {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85em;
}

/* --- TEE status pill --- */

.tee-pill {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}
.tee-pill:hover { text-decoration: none; opacity: 0.88; }
.tee-pill-active {
  background: var(--accent-2);
  color: #0d1117;
}
.tee-pill-dev {
  background: var(--warn);
  color: #0d1117;
}

/* --- Chat layout (two-pane) --- */

.chat-layout {
  display: flex;
  gap: 20px;
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 20px;
  align-items: flex-start;
}
.chat-pane {
  flex: 6;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contrib-pane {
  flex: 4;
  min-width: 0;
  position: sticky;
  top: 56px;
}

.demo-badge {
  background: var(--warn);
  color: #0d1117;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Contributors panel */
.contrib-panel h2 {
  margin: 0 0 12px;
}
.contrib-empty p {
  text-align: center;
  padding: 20px 0;
}
.contrib-price {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-2);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.contrib-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 10px;
}
.contrib-label {
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 4px;
}
.contrib-narrative {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.4;
  margin-bottom: 8px;
}
.contrib-bar-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}
.contrib-bar {
  height: 6px;
  background: var(--accent);
  border-radius: 3px;
  min-width: 4px;
  transition: width 200ms;
}
.contrib-bar-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}
.contrib-payout {
  font-size: 0.78rem;
  color: var(--accent-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  margin-bottom: 6px;
}
.contrib-sources-toggle {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 0;
}
.contrib-sources-toggle:hover {
  color: var(--accent);
}
.contrib-sources {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
}
.contrib-source-row {
  margin-bottom: 6px;
}
.contrib-source-feat {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text);
  text-transform: capitalize;
  margin-bottom: 1px;
}
.contrib-source-note {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.35;
}
.contrib-badge {
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.4;
  margin-top: 12px;
  padding: 10px;
  background: var(--panel-2);
  border-radius: 6px;
  border: 1px solid var(--border);
}

/* --- Receipt button per message --- */

.receipt-trigger {
  display: block;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.72rem;
  cursor: pointer;
  padding: 2px 0 0;
  margin-top: 4px;
}
.receipt-trigger:hover {
  color: var(--accent);
}

/* --- Gateway status footnote --- */

.gateway-status {
  text-align: center;
  font-size: 0.78rem;
  color: var(--muted);
  padding: 4px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

/* --- Receipt modal --- */

.receipt-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.receipt-overlay[hidden] {
  display: none !important;
}
.receipt-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 620px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
}
.receipt-header {
  padding: 18px 22px 12px;
  border-bottom: 1px solid var(--border);
}
.receipt-header h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 600;
}
.receipt-honesty {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.4;
}
.receipt-honesty a {
  color: var(--accent);
}
.receipt-json {
  overflow-y: auto;
  margin: 0;
  padding: 16px 22px;
  background: var(--panel-2);
  border: none;
  border-radius: 0;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--text);
  max-height: 60vh;
}
.receipt-json .rj-key { color: var(--text); }
.receipt-json .rj-str { color: var(--accent); }
.receipt-json .rj-num { color: var(--accent-2); }
.receipt-json .rj-bool { color: var(--warn); }
.receipt-json .rj-null { color: var(--muted); }
.receipt-actions {
  display: flex;
  gap: 8px;
  padding: 12px 22px;
  border-top: 1px solid var(--border);
  justify-content: flex-end;
}
.receipt-btn {
  padding: 7px 16px;
  border: none;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}
.receipt-btn-copy {
  background: var(--accent);
  color: #0d1117;
}
.receipt-btn-copy:hover { opacity: 0.9; }
.receipt-btn-close {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
}
.receipt-btn-close:hover { background: var(--border); }

/* --- Payout summary per bot message --- */

.payout-summary {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 6px;
  padding-top: 4px;
}
.payout-summary-amount {
  color: var(--accent-2);
  font-weight: 600;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.payout-summary a {
  color: var(--accent);
}

/* --- Contributor address line --- */

.contrib-address {
  font-size: 0.72rem;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  margin-bottom: 6px;
}

.contrib-payouts-link {
  font-size: 0.78rem;
  margin-bottom: 10px;
}

/* --- Payouts page --- */

.payouts-stats {
  display: flex;
  gap: 12px;
}
.stat-card {
  flex: 1;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  text-align: center;
}
.stat-value {
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.stat-label {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 4px;
}

.payouts-filter {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
}
.payouts-filter b {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--accent);
}
.payouts-filter-clear {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.78rem;
  cursor: pointer;
}
.payouts-filter-clear:hover { background: var(--border); }

.payouts-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.payouts-table th {
  text-align: left;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
}
.payouts-table td {
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.payouts-table tr:last-child td {
  border-bottom: none;
}
.payouts-table .col-right {
  text-align: right;
}
.payouts-table .col-time {
  color: var(--muted);
  white-space: nowrap;
  font-size: 0.78rem;
}
.payouts-table .col-query {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
}
.payouts-table .col-amount {
  color: var(--accent-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 600;
}
.payouts-table .addr-link {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
}
.payouts-loading {
  text-align: center;
  padding: 32px 14px !important;
  color: var(--muted);
}

@media (max-width: 767px) {
  .payouts-stats {
    flex-direction: column;
  }
  .payouts-table { font-size: 0.75rem; }
  .payouts-table th, .payouts-table td { padding: 6px 8px; }
}

@media (max-width: 767px) {
  .chat-layout {
    flex-direction: column;
  }
  .contrib-pane {
    position: static;
    order: 1;
  }
  .chat-pane {
    order: 0;
  }
}

/* --- Attestation page --- */

.dev-banner {
  background: var(--warn);
  color: #0d1117;
  text-align: center;
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 8px;
}
.step {
  flex: 1;
  text-align: center;
  padding: 8px 12px;
}
.step h3 {
  margin: 10px 0 6px;
  font-size: 0.95rem;
  font-weight: 600;
}
.step p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.45;
}
.step-icon {
  color: var(--accent);
}
.step-arrow {
  display: flex;
  align-items: center;
  padding-top: 18px;
  color: var(--muted);
  font-size: 1.4rem;
  flex-shrink: 0;
}

.verify-cta {
  margin-top: 8px;
}
.verify-subtext {
  font-size: 0.82rem;
  margin: 8px 0 0;
}

.big-button.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.card-warn {
  border-color: rgba(255, 180, 84, 0.3);
  background: rgba(255, 180, 84, 0.04);
}
.card-warn h2 {
  color: var(--warn);
}
.card-warn li {
  margin: 10px 0;
  line-height: 1.5;
}
.card-warn li strong {
  color: var(--warn);
}

.collapse-toggle {
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0;
  letter-spacing: 0.2px;
}
.collapse-toggle:hover {
  color: var(--accent);
}
.collapse-chevron {
  font-size: 0.9rem;
  color: var(--muted);
  transition: color 150ms;
}
.collapse-body {
  margin-top: 12px;
}

.fetch-error {
  background: var(--panel);
  color: var(--danger);
  padding: 12px 20px;
  text-align: center;
}

@media (max-width: 767px) {
  .steps {
    flex-direction: column;
    gap: 4px;
  }
  .step-arrow {
    transform: rotate(90deg);
    justify-content: center;
    padding: 0;
    width: 100%;
  }
  .step {
    padding: 8px 0;
  }
}