:root {
  --bg: #f6f6f7;
  --card: #ffffff;
  --line: #e6e6e9;
  --ink: #1a1a1a;
  --muted: #777;
  --accent: #1a1a1a;
  --new: #2563eb;
  --triaged: #b45309;
  --done: #15803d;
  --archived: #888;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); }
.muted { color: var(--muted); }
.muted-link { color: var(--muted); text-decoration: none; font-size: 13px; }
.muted-link:hover { text-decoration: underline; }

/* ---- login ---- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 34px; width: 340px; text-align: center;
  box-shadow: 0 12px 40px rgba(0,0,0,.08);
}
.login-mark { font-size: 36px; }
.login-card h1 { font-size: 20px; margin: 10px 0 4px; }
.login-card input {
  width: 100%; margin: 18px 0 12px; padding: 11px 13px;
  border: 1px solid var(--line); border-radius: 10px; font-size: 14px;
}
.login-card button {
  width: 100%; padding: 11px; border: none; border-radius: 10px;
  background: var(--accent); color: #fff; font-weight: 600; cursor: pointer;
}

/* ---- layout ---- */
.layout { display: flex; min-height: 100vh; }
.side {
  width: 240px; background: var(--card); border-right: 1px solid var(--line);
  display: flex; flex-direction: column; padding: 18px 14px; position: sticky; top: 0; height: 100vh;
}
.side-brand { font-weight: 700; font-size: 16px; margin: 4px 6px 18px; }
.side-mark { margin-right: 6px; }
.side-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.side-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 10px; border-radius: 8px; text-decoration: none; color: var(--ink);
  font-size: 14px;
}
.side-link:hover { background: #f0f0f2; }
.side-link.active { background: #ececef; font-weight: 600; }
.badge {
  font-size: 11px; background: #e9e9ec; color: #555; border-radius: 20px; padding: 2px 8px;
}
.badge-new { background: var(--new); color: #fff; }
.side-foot { padding: 8px 6px 2px; border-top: 1px solid var(--line); }

/* ---- main ---- */
.main { flex: 1; padding: 22px 28px 60px; max-width: 980px; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  flex-wrap: wrap; margin-bottom: 10px;
}
.filters { display: flex; gap: 8px; align-items: center; }
.search { padding: 8px 12px; border: 1px solid var(--line); border-radius: 9px; min-width: 220px; font-size: 14px; }
select { padding: 8px 10px; border: 1px solid var(--line); border-radius: 9px; font-size: 14px; background: #fff; }
.actions { display: flex; gap: 8px; }
.btn {
  padding: 8px 14px; border: 1px solid var(--line); border-radius: 9px; background: #fff;
  font-size: 13px; font-weight: 600; cursor: pointer; text-decoration: none; color: var(--ink);
}
.btn-light { background: #fff; }
.btn-dark { background: var(--accent); color: #fff; border-color: var(--accent); }
.count-line { color: var(--muted); font-size: 13px; margin: 6px 2px 16px; }

.empty { text-align: center; padding: 70px 20px; color: var(--muted); }
.empty-mark { font-size: 40px; }

.cards { display: flex; flex-direction: column; gap: 14px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 16px 18px; border-left: 4px solid var(--line);
}
.card.status-new { border-left-color: var(--new); }
.card.status-triaged { border-left-color: var(--triaged); }
.card.status-done { border-left-color: var(--done); }
.card.status-archived { border-left-color: var(--archived); opacity: .7; }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 10px; }
.card-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { font-size: 12px; font-weight: 600; border-radius: 6px; padding: 3px 8px; }
.tag-dash { background: #ececff; color: #4338ca; }
.tag-tab { background: #f1f1f3; color: #444; }
.tag-status { text-transform: capitalize; }
.tag-new { background: #e0ecff; color: var(--new); }
.tag-triaged { background: #fef0db; color: var(--triaged); }
.tag-done { background: #dcfce7; color: var(--done); }
.tag-archived { background: #eee; color: #888; }
.card-meta { font-size: 12px; color: var(--muted); white-space: nowrap; }
.card-msg { font-size: 15px; line-height: 1.55; white-space: pre-wrap; }
.card-files { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.file-chip {
  font-size: 12px; background: #f1f1f3; border-radius: 6px; padding: 5px 9px;
  text-decoration: none; color: #444;
}
.file-chip:hover { background: #e7e7ea; }
.card-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; gap: 10px; flex-wrap: wrap; }
.status-btns { display: flex; gap: 4px; }
.sbtn {
  font-size: 12px; border: 1px solid var(--line); background: #fff; color: #666;
  border-radius: 7px; padding: 4px 10px; cursor: pointer;
}
.sbtn:hover { background: #f4f4f6; }
.sbtn.on { background: var(--ink); color: #fff; border-color: var(--ink); }