:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e5e7eb;
  --text: #111827;
  --muted: #6b7280;
  --accent: #1e3a8a;
  --accent-hover: #1e40af;
  --new: #2563eb;
  --planning: #475569;
  --in-progress: #d97706;
  --blocked: #dc2626;
  --review: #0d9488;
  --done: #15803d;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 960px; margin: 0 auto; padding: 0 20px; }

/* ---------- Top bar ---------- */
.topbar { background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 500; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 6px;
  background: var(--accent); color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: 14px; letter-spacing: 0.5px;
}
.brand-text { font-size: 15px; letter-spacing: 0.2px; }
.brand-text strong { font-weight: 700; }
.topnav { display: flex; gap: 18px; }
.topnav a { color: var(--muted); text-decoration: none; font-size: 14px; }
.topnav a:hover { color: var(--text); }

/* ---------- Hero ---------- */
.hero { padding: 36px 0 8px; }
.hero h1 { margin: 0 0 8px; font-size: 28px; letter-spacing: -0.01em; }
.lede { margin: 0; color: var(--muted); font-size: 16px; }

/* ---------- Card ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin: 20px 0;
  box-shadow: var(--shadow);
}
.card.no-pad { padding: 0; overflow: hidden; }
.section-title { margin: 0 0 14px; font-size: 14px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.muted { color: var(--muted); }
.backlink { display: inline-block; margin-top: 20px; color: var(--muted); text-decoration: none; font-size: 14px; }
.backlink:hover { color: var(--text); }
.trackernav { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- Form ---------- */
.form label { display: block; margin-bottom: 16px; font-size: 13px; font-weight: 600; color: #374151; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form input[type=text], .form input[type=email], .form select, .form textarea {
  display: block; width: 100%; margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--border); border-radius: 6px;
  font: inherit; color: var(--text);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.12);
}
.form textarea { resize: vertical; min-height: 120px; }
.form-actions { display: flex; align-items: center; gap: 14px; margin-top: 8px; }

/* ---------- Buttons ---------- */
.btn { display: inline-block; padding: 9px 16px; border-radius: 6px; border: 1px solid transparent; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; line-height: 1.2; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); padding: 6px 12px; font-size: 13px; }
.btn-ghost:hover { background: var(--bg); }

/* ---------- Status badges ---------- */
.status {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.02em;
  border: 1px solid transparent;
}
.status-new { background: rgba(37, 99, 235, 0.10); color: var(--new); border-color: rgba(37, 99, 235, 0.25); }
.status-planning { background: rgba(71, 85, 105, 0.10); color: var(--planning); border-color: rgba(71, 85, 105, 0.25); }
.status-in-progress { background: rgba(217, 119, 6, 0.10); color: var(--in-progress); border-color: rgba(217, 119, 6, 0.25); }
.status-blocked { background: rgba(220, 38, 38, 0.10); color: var(--blocked); border-color: rgba(220, 38, 38, 0.25); }
.status-review { background: rgba(13, 148, 136, 0.10); color: var(--review); border-color: rgba(13, 148, 136, 0.25); }
.status-done { background: rgba(21, 128, 61, 0.10); color: var(--done); border-color: rgba(21, 128, 61, 0.25); }

/* ---------- Ticket page ---------- */
.ticket-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 12px; }
.ticket-meta { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px; }
.ticket-title { margin: 0; font-size: 22px; letter-spacing: -0.01em; }
.ticket-desc { white-space: pre-wrap; color: #374151; margin-top: 18px; }
.ticket-meta-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 18px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border); font-size: 14px; }

/* Timeline */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.timeline li:last-child { border-bottom: none; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-top: 7px; flex-shrink: 0; background: var(--muted); }
.dot-new { background: var(--new); }
.dot-planning { background: var(--planning); }
.dot-in-progress { background: var(--in-progress); }
.dot-blocked { background: var(--blocked); }
.dot-review { background: var(--review); }
.dot-done { background: var(--done); }
.dot-sprint { background: #7c3aed; }
.timeline-note { color: var(--muted); font-size: 13px; margin-top: 2px; }

/* Comments */
.comments { list-style: none; margin: 0 0 18px; padding: 0; }
.comments li { padding: 12px 0; border-bottom: 1px solid var(--border); }
.comments li:last-child { border-bottom: none; }
.comment-head { font-size: 13px; margin-bottom: 4px; }
.comment-body { white-space: pre-wrap; }
.reply-form { margin-top: 12px; padding-top: 18px; border-top: 1px solid var(--border); }
.reply-form label { display: block; font-size: 13px; font-weight: 600; color: #374151; }
.reply-form textarea {
  display: block; width: 100%; margin: 6px 0 12px;
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px; font: inherit;
}

/* ---------- Admin filterbar + table ---------- */
.filterbar { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border);
  text-decoration: none; color: var(--text); font-size: 13px; font-weight: 500;
}
.chip:hover { background: var(--bg); }
.chip-active { background: var(--accent); color: #fff; border-color: var(--accent); }
.chip-count { background: rgba(0,0,0,0.08); padding: 1px 7px; border-radius: 999px; font-size: 11px; }
.chip-active .chip-count { background: rgba(255,255,255,0.25); }

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
.table th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); background: #fafbfc; }
.table tbody tr:hover { background: #fafbfc; }
.table .empty { text-align: center; color: var(--muted); padding: 36px 16px; }

/* ---------- Footer ---------- */
.footer { margin: 40px auto 24px; color: var(--muted); font-size: 12px; text-align: center; }

@media (max-width: 640px) {
  .form .row { grid-template-columns: 1fr; }
  .ticket-head { flex-direction: column; }
  .table { font-size: 13px; }
  .table th, .table td { padding: 10px 10px; }
}