:root {
  --bg: #0f1419;
  --panel: #1a2332;
  --text: #e8eef7;
  --muted: #9aa7b8;
  --accent: #4c9aff;
  --border: #2a3647;
  --danger: #ff8b73;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: var(--accent); }

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: #121922;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { font-weight: 700; letter-spacing: 0.02em; }
.brand a { color: var(--text); text-decoration: none; }

.nav { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.nav a { text-decoration: none; color: var(--muted); padding: 0.25rem 0.4rem; border-radius: 6px; }
.nav a.active { color: var(--text); background: #243044; }

.user { margin-left: auto; display: flex; align-items: center; gap: 0.75rem; color: var(--muted); font-size: 0.95rem; }

.main { max-width: 920px; margin: 0 auto; padding: 1.25rem; }

h1 { font-size: 1.35rem; margin: 0 0 0.5rem; }

.muted { color: var(--muted); }
.banner { background: #243044; border: 1px solid var(--border); padding: 0.75rem 1rem; border-radius: 8px; }
.empty { color: var(--muted); }

.cards { list-style: none; padding: 0; margin: 1rem 0 0; display: flex; flex-direction: column; gap: 1rem; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
}

.card.is-unread { border-color: #3d5a8a; box-shadow: 0 0 0 1px rgba(76, 154, 255, 0.15); }

.card-head { display: flex; gap: 0.5rem; align-items: center; margin-bottom: 0.35rem; }

.badge { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); border: 1px solid var(--border); padding: 0.1rem 0.45rem; border-radius: 999px; }

.pill { font-size: 0.75rem; padding: 0.1rem 0.45rem; border-radius: 999px; background: #243044; }
.pill.muted { opacity: 0.8; }
.pill.warn { background: #3a2a24; color: #ffc7b8; }

.card-title { font-size: 1.05rem; margin: 0.25rem 0; }
.card-title a { color: var(--text); text-decoration: none; }
.card-title a:hover { text-decoration: underline; }

.meta { font-size: 0.85rem; color: var(--muted); margin: 0.25rem 0 0.5rem; }

.preview {
  margin: 0.5rem 0 0.75rem;
  padding: 0.65rem 0.75rem;
  border-left: 3px solid var(--border);
  background: #121922;
  color: var(--text);
  font-size: 0.95rem;
}

.actions { margin-top: 0.5rem; }

form.inline { display: inline; }
form.inline button { margin-right: 0.35rem; }

button, .linkish {
  cursor: pointer;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #243044;
  color: var(--text);
  padding: 0.45rem 0.75rem;
  font-size: 0.9rem;
}

button.secondary { background: transparent; color: var(--muted); }

.linkish {
  background: transparent;
  color: var(--muted);
  text-decoration: underline;
}

.teach { margin-top: 0.75rem; }
.teach summary { cursor: pointer; color: var(--muted); font-size: 0.9rem; }

.stack { display: flex; flex-direction: column; gap: 0.65rem; margin-top: 0.5rem; }
.stack label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.9rem; color: var(--muted); }
textarea, input[type="email"], input[type="password"], input[type="text"] {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #121922;
  color: var(--text);
}

.toolbar { margin: 0.75rem 0 1rem; }

.centered { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }

.panel {
  width: min(440px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.35rem;
}

.panel.wide { width: min(720px, 100%); }

.wizard-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 1rem 0;
  font-size: 0.8rem;
}

.wizard-step {
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.wizard-step.active { color: var(--text); border-color: #3d5a8a; background: #243044; }
.wizard-step.done { color: var(--accent); }

.choice { display: flex; gap: 0.5rem; align-items: flex-start; margin: 0.35rem 0; color: var(--text); }
.choice.disabled { opacity: 0.55; }

.wizard-actions { display: flex; gap: 0.75rem; margin-top: 1rem; flex-wrap: wrap; }

.check-result.ok { color: #7dcea0; }
.check-result.fail { color: var(--danger); }

.divider { border: none; border-top: 1px solid var(--border); margin: 1.25rem 0; }

.links { padding-left: 1.2rem; margin: 0.5rem 0; }

.wrap { word-break: break-all; display: block; margin-top: 0.35rem; }

select {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #121922;
  color: var(--text);
}

fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 0.75rem 1rem; margin: 0.5rem 0; }
fieldset.future { opacity: 0.85; }
legend { color: var(--muted); font-size: 0.85rem; padding: 0 0.25rem; }

.review { display: grid; grid-template-columns: 8rem 1fr; gap: 0.35rem 1rem; font-size: 0.95rem; }
.review dt { color: var(--muted); margin: 0; }
.review dd { margin: 0; }
.review-pre { margin: 0; white-space: pre-wrap; font-size: 0.85rem; background: #121922; padding: 0.5rem; border-radius: 6px; }

.subhead { font-size: 1.05rem; margin: 0 0 0.35rem; }

.prereq-block { margin: 0.5rem 0 0; }

.prereq-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.prereq-item {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #121922;
}

.prereq-item.pass { border-color: #2d4a3a; }
.prereq-item.fail { border-color: #5a3d38; }
.prereq-item.optional.pass { opacity: 0.92; }

.prereq-icon {
  flex-shrink: 0;
  width: 1.25rem;
  font-weight: 700;
}

.prereq-item.pass .prereq-icon { color: #7dcea0; }
.prereq-item.fail .prereq-icon { color: var(--danger); }

.prereq-msg { font-size: 0.88rem; color: var(--muted); }

.banner-subtle {
  font-size: 0.9rem;
  padding: 0.55rem 0.75rem;
  margin: 0.5rem 0;
}

.board-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.board-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #121922;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.board-tab:hover {
  color: var(--text);
  border-color: #3d5a8a;
}

.board-tab.active {
  color: var(--text);
  background: #243044;
  border-color: #3d5a8a;
}

.board-tab-label {
  max-width: 12rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.panel-inline {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #121922;
}

.rule-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.rule-item .choice { align-items: flex-start; }

.user-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.5rem 0 1.25rem;
  font-size: 0.95rem;
}

.user-table th,
.user-table td {
  text-align: left;
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid var(--border);
}

.user-table th { color: var(--muted); font-weight: 600; }

.meta .actor { color: var(--text); font-weight: 500; }

.activity-summary {
  margin: 0.35rem 0 0.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.comment-body { margin-top: 0.35rem; }

.state-actions button.active {
  border-color: var(--accent);
  color: var(--text);
}

.board-checklist {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  max-height: 16rem;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.board-checklist li { padding: 0.35rem 0.6rem; border-bottom: 1px solid var(--border); }
.board-checklist li:last-child { border-bottom: none; }

.user .active { color: var(--text); font-weight: 600; text-decoration: none; }

.notify-bubble {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: #c0392b;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
}

.panel h1 { margin-top: 0; }

.error { color: var(--danger); }

.row { display: flex; gap: 1rem; flex-wrap: wrap; }

code { font-size: 0.85em; background: #121922; padding: 0.1rem 0.3rem; border-radius: 4px; }