:root {
  --bg: #0d1117;
  --bg-raised: #161b22;
  --border: #30363d;
  --text: #c9d1d9;
  --text-dim: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79b8ff;
  --status-pending: #d29922;
  --status-complete: #3fb950;
  --status-error: #f85149;
  --font: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
}

button,
input {
  font-family: inherit;
  font-size: inherit;
}

/* --- Token gate -------------------------------------------------------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-overlay[hidden] {
  display: none;
}

.modal {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  width: min(360px, 90vw);
}

.modal h2 {
  margin-top: 0;
}

.modal input {
  width: 100%;
  padding: 8px;
  margin: 8px 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
}

.modal button,
.research-form button,
.follow-up-form button {
  background: var(--accent);
  color: #0d1117;
  border: none;
  border-radius: 4px;
  padding: 8px 16px;
  cursor: pointer;
  font-weight: 600;
}

.modal button:hover,
.research-form button:hover,
.follow-up-form button:hover {
  background: var(--accent-hover);
}

.error-text {
  color: var(--status-error);
}

/* --- Layout -------------------------------------------------------------- */

.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 280px;
  flex-shrink: 0;
  background: var(--bg-raised);
  border-right: 1px solid var(--border);
  padding: 16px;
  overflow-y: auto;
  max-height: 100vh;
}

.sidebar h1 {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin: 0 0 16px;
}

.ticker-group {
  margin-bottom: 20px;
}

.ticker-group h2 {
  font-size: 15px;
  margin: 0 0 8px;
  color: var(--text);
}

.session-entry {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-radius: 4px;
  color: var(--text);
  padding: 6px 8px;
  cursor: pointer;
  margin-bottom: 2px;
}

.session-entry:hover {
  background: var(--bg);
}

.session-entry.active {
  background: var(--bg);
  border-left: 2px solid var(--accent);
}

.session-entry .entry-line {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.session-entry .entry-date {
  font-size: 12px;
  color: var(--text-dim);
}

.session-entry .entry-summary {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2px;
}

.content {
  flex: 1;
  padding: 24px 32px;
  max-width: 900px;
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
}

.content-header h1 {
  font-size: 20px;
  margin: 0;
}

.link-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  text-decoration: underline;
  font-size: 12px;
  padding: 0;
}

.link-btn:hover {
  color: var(--accent);
}

/* --- Research form ------------------------------------------------------- */

.research-form {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.research-form input {
  padding: 8px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
}

#ticker-input {
  width: 140px;
  text-transform: uppercase;
}

#question-input {
  flex: 1;
}

/* --- Status badges -------------------------------------------------------- */

.status-badge {
  display: inline-block;
  border-radius: 3px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.status-badge.pending {
  background: color-mix(in srgb, var(--status-pending) 20%, transparent);
  color: var(--status-pending);
}

.status-badge.complete {
  background: color-mix(in srgb, var(--status-complete) 20%, transparent);
  color: var(--status-complete);
}

.status-badge.error {
  background: color-mix(in srgb, var(--status-error) 20%, transparent);
  color: var(--status-error);
}

/* --- Session view ---------------------------------------------------------- */

.session-view {
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.session-view-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.session-view-header h2 {
  margin: 0;
  font-size: 18px;
}

.pending-box,
.error-box {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  margin: 12px 0;
}

.pending-box {
  color: var(--status-pending);
  border-color: var(--status-pending);
}

.error-box {
  color: var(--status-error);
  border-color: var(--status-error);
}

.error-box pre {
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
  background: var(--bg-raised);
  padding: 8px;
  border-radius: 4px;
}

.conflict-box {
  border: 1px solid var(--status-pending);
  color: var(--status-pending);
  border-radius: 6px;
  padding: 8px 12px;
  margin: 8px 0;
  font-size: 13px;
}

.report-actions {
  margin: 12px 0;
}

.download-btn {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  padding: 6px 12px;
  cursor: pointer;
}

.download-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.report-markdown {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px 24px;
}

.report-markdown h1,
.report-markdown h2,
.report-markdown h3 {
  color: var(--text);
}

.report-markdown table {
  border-collapse: collapse;
  width: 100%;
}

.report-markdown th,
.report-markdown td {
  border: 1px solid var(--border);
  padding: 4px 8px;
  text-align: left;
}

.report-markdown code {
  background: var(--bg);
  padding: 1px 4px;
  border-radius: 3px;
}

.follow-up {
  margin-top: 24px;
}

.follow-up h3 {
  font-size: 14px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.follow-up-turn {
  border-top: 1px solid var(--border);
  padding: 12px 0;
}

.follow-up-turn .user-message {
  color: var(--text-dim);
  margin-bottom: 8px;
}

.follow-up-form {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.follow-up-form input {
  flex: 1;
  padding: 8px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
}

.spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--status-pending);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 6px;
  vertical-align: middle;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.empty-state {
  color: var(--text-dim);
  font-size: 13px;
}