:root {
  --bg: #0f1115;
  --panel: #1a1d24;
  --panel-2: #22262f;
  --text: #e6e6e6;
  --muted: #9aa0aa;
  --accent: #4a9eff;
  --accent-2: #2f6fc0;
  --border: #2c313a;
  --success: #3fb950;
  --error: #f85149;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7f9;
    --panel: #ffffff;
    --panel-2: #eef1f5;
    --text: #1f2328;
    --muted: #57606a;
    --accent: #2f6fc0;
    --border: #d8dee6;
    --success: #1a7f37;
    --error: #cf222e;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

header {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
}
header h1 {
  font-size: 18px;
  margin: 0;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.version-badge { font-size: 12px; font-weight: 400; color: var(--muted); }

nav { display: flex; gap: 4px; }
.tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}
.tab:hover { color: var(--text); background: var(--panel-2); }
.tab.active { color: var(--text); background: var(--panel-2); border-color: var(--border); }

main { max-width: 1100px; margin: 24px auto; padding: 0 20px; }
h2 { font-size: 16px; margin: 0 0 16px; }
h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); margin: 24px 0 8px; }

button.primary {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}
button.primary:hover { background: var(--accent-2); }

button.row-action {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}
button.row-action:hover { background: var(--panel-2); border-color: var(--accent); }

tr.row-disabled td { opacity: 0.5; }
.badge-disabled {
  display: inline-block; font-size: 10px; padding: 1px 6px; border-radius: 3px;
  background: var(--error); color: #fff; margin-left: 6px;
  text-transform: uppercase; letter-spacing: 0.5px; vertical-align: middle;
}
td.actions-cell { white-space: nowrap; }
td.actions-cell button { margin-right: 4px; }
td.actions-cell button:last-child { margin-right: 0; }
td.addr-cell { word-break: break-all; max-width: 280px; }

.compose-form { display: flex; flex-direction: column; gap: 12px; max-width: 720px; }
.compose-form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.compose-form input[type="text"],
.compose-form textarea {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
}
.compose-form textarea { font-family: ui-monospace, "SF Mono", Consolas, monospace; resize: vertical; }
.compose-form input[type="text"]:focus,
.compose-form textarea:focus { outline: none; border-color: var(--accent); }
.muted { color: var(--muted); font-size: 13px; }

/* Compose thread view */
.thread-list { margin-top: 8px; max-height: 420px; overflow-y: auto; }
.thread-item {
  padding: 8px 12px;
  margin-bottom: 6px;
  border-radius: 6px;
  border-left: 3px solid var(--border);
  background: var(--panel);
  cursor: pointer;
}
/* Once expanded, the content area is NOT a click target (lets user select text). */
.thread-full { cursor: text; }
.thread-toggle { color: var(--accent); font-size: 11px; }
.thread-action {
  color: var(--accent);
  font-size: 11px;
  cursor: pointer;
  margin-left: 8px;
}
.thread-action:hover { text-decoration: underline; }
.thread-full { margin-top: 8px; }
.thread-body {
  white-space: pre-wrap; word-wrap: break-word;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 12px; margin: 0;
  background: var(--panel-2); padding: 8px; border-radius: 4px;
}
.thread-out { border-left-color: var(--accent); }
.thread-in  { border-left-color: var(--success); }
.thread-meta { font-size: 12px; color: var(--muted); margin-bottom: 2px; }
.thread-subj { font-weight: 600; font-size: 13px; }
.thread-subj-unread { font-weight: 700; }
.thread-prev { color: var(--muted); font-size: 12px; margin-top: 2px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.6px;
  color: var(--muted); margin: 24px 0 8px; }

.row { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.row label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.row select, .row input[type="number"] {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 13px;
}

.stats { display: flex; gap: 16px; }
.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 24px;
  min-width: 120px;
  display: flex;
  flex-direction: column;
}
.stat .num { font-size: 28px; font-weight: 600; }
.stat span:last-child { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }

#recent-activity ul { list-style: none; padding: 0; margin: 0; }
#recent-activity li {
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
#recent-activity small { color: var(--muted); }

table { width: 100%; border-collapse: collapse; margin-top: 8px; }
th, td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); }
td code { font-family: ui-monospace, "SF Mono", Consolas, monospace; font-size: 12px; color: var(--muted); }

.mail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 800px) { .mail-grid { grid-template-columns: 1fr; } }
.pane {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  min-height: 300px;
  max-height: 600px;
  overflow-y: auto;
  font-size: 13px;
}
.mail-item {
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  margin-bottom: 4px;
}
.mail-item:hover { background: var(--panel-2); }
.mail-item.selected { background: var(--panel-2); border-color: var(--accent); }
.mail-item .subj { font-weight: 600; margin-bottom: 2px; }
.mail-item.unread .subj { font-weight: 700; }
.mail-item.unread { border-left: 3px solid var(--accent); padding-left: 9px; }
.unread-dot { color: var(--accent); font-size: 10px; margin-right: 6px; vertical-align: middle; }
.mail-item .meta { color: var(--muted); font-size: 12px; margin-bottom: 2px; }
.mail-item .prev { color: var(--muted); font-size: 12px; }

.detail-row { padding: 3px 0; }
.detail-row b { color: var(--muted); font-weight: 500; display: inline-block; min-width: 64px; }
.body {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 13px;
  margin: 8px 0 0;
}

.callout {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 12px;
  font-size: 13px;
}
.callout.success { background: rgba(63, 185, 80, 0.12); border: 1px solid var(--success); }
.callout.error { background: rgba(248, 81, 73, 0.12); border: 1px solid var(--error); }
.callout code {
  background: var(--panel);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 12px;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  font-size: 13px;
  max-width: 320px;
}
.toast.error { border-color: var(--error); }
.toast.success { border-color: var(--success); }

.hidden { display: none !important; }

/* Setup wizard */
.setup-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--bg); padding: 20px;
}
.setup-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 32px; max-width: 460px; width: 100%;
}
.setup-card h1 { font-size: 22px; margin: 0 0 8px; }
.setup-note { margin-top: 16px; font-size: 12px; }

/* Wizard MCP capsules */
.capsule { border: 1px solid var(--border); border-radius: 6px; margin-bottom: 8px; overflow: hidden; }
.capsule-header {
  width: 100%; text-align: left; background: var(--panel-2); border: none;
  padding: 10px 14px; cursor: pointer; font-size: 14px; font-weight: 500; color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.capsule-header:hover { background: var(--border); }
.capsule-desc { font-weight: 400; font-size: 11px; }
.capsule-toggle { margin-left: auto; color: var(--muted); }
.capsule-body { padding: 12px 14px; }
.snippet-where { margin-bottom: 6px; font-size: 12px; }
.snippet {
  background: var(--bg); border: 1px solid var(--border); border-radius: 4px;
  padding: 10px; font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 12px; white-space: pre-wrap; word-break: break-all; overflow-x: auto;
  margin: 0 0 8px;
}
.write-status { font-size: 12px; }
.success-note { color: var(--success); font-size: 14px; margin: 16px 0; }
.error-text { color: var(--error); }

/* Settings tab */
.settings-section { margin-bottom: 24px; }
.settings-section .row { gap: 16px; flex-wrap: wrap; }