:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --ink: #1a2b4a;
  --muted: #6b7a90;
  --line: #e6eaf1;
  --brand: #2d6cdf;
  --brand-ink: #ffffff;
  --warn: #c0392b;
  --ok: #1f9d55;
  --chip: #eef1f6;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 16px; background: var(--card);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5;
}
.topbar .brand { font-weight: 700; font-size: 18px; }
.topbar nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.topbar .who { color: var(--muted); font-size: 14px; }
.topbar .add { background: var(--brand); color: var(--brand-ink); padding: 6px 12px; border-radius: 8px; }
.topbar .add:hover { text-decoration: none; opacity: .92; }

.wrap { max-width: 720px; margin: 0 auto; padding: 20px 16px 64px; }

h1 { font-size: 22px; margin: 6px 0 16px; }
h2.section { font-size: 15px; text-transform: uppercase; letter-spacing: .6px;
  color: var(--muted); margin: 26px 0 10px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; margin-bottom: 10px; }
.item { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.item .title { font-weight: 600; }
.item .meta { color: var(--muted); font-size: 13px; margin-top: 2px; }
.item a.open { white-space: nowrap; }

.badge { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 999px;
  background: var(--chip); color: var(--muted); margin-right: 6px; }
.badge.both { background: #e7f0ff; color: var(--brand); }
.badge.due { background: #fdecea; color: var(--warn); }
.badge.ack { background: #fff4e5; color: #a15c00; }
.chip { display:inline-block; background: var(--chip); color: var(--muted);
  font-size: 12px; padding: 2px 8px; border-radius: 999px; margin: 2px 4px 2px 0; }

.attr { color: var(--muted); font-size: 13px; font-style: italic; }

form.stack label { display: block; margin: 12px 0 4px; font-weight: 600; font-size: 14px; }
input[type=text], input[type=date], input[type=number], input[type=password], select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 15px; font-family: inherit; background: #fff; color: var(--ink);
}
textarea { min-height: 80px; resize: vertical; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > div { flex: 1 1 160px; }

button, .btn {
  display: inline-block; border: 0; border-radius: 8px; padding: 10px 16px;
  font-size: 15px; font-family: inherit; cursor: pointer; background: var(--chip); color: var(--ink);
}
button.primary, .btn.primary { background: var(--brand); color: var(--brand-ink); }
button.danger, .btn.danger { background: #fdecea; color: var(--warn); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.inline { display: inline; }

.muted { color: var(--muted); }
.empty { text-align: center; color: var(--muted); padding: 28px 12px; }
.notice { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; }
.notice.error { background: #fdecea; color: var(--warn); }
.notice.ok { background: #eafaf0; color: var(--ok); }

.panel { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin-top: 12px; background: #fbfcfe; }

.login-wrap { max-width: 360px; margin: 8vh auto; }
.login-wrap h1 { text-align: center; }