:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --line: #e3e8f0;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --doing: #f59e0b;
  --done: #16a34a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 20px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.brand { font-weight: 700; font-size: 16px; }

.topbar-right { display: flex; align-items: center; }

.who { color: var(--muted); font-size: 14px; }

.admin-nav { display: flex; flex-wrap: wrap; }

.admin-nav a, .topbar-right a, a.link {
  color: var(--primary);
  text-decoration: none;
  margin-left: 14px;
  font-size: 14px;
}

.admin-nav a:hover, a.link:hover { text-decoration: underline; }

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}

.page-title { font-size: 20px; margin: 6px 0 16px; }

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

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 16px;
}

.card.narrow { max-width: 420px; margin: 40px auto; }

.center { text-align: center; }

h1, h2 { margin-top: 0; }

h2 { font-size: 16px; margin-bottom: 12px; }

form.stack label {
  display: block;
  text-align: left;
  margin-bottom: 12px;
  font-size: 14px;
}

form.stack input, form.stack button { width: 100%; }

input[type="text"],
input[type="password"],
input[type="search"],
select,
textarea {
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
}

textarea { width: 100%; font-family: inherit; }

button {
  padding: 9px 16px;
  border: none;
  border-radius: 8px;
  background: #e5e7eb;
  color: #111827;
  font-size: 14px;
  cursor: pointer;
}

button:hover { filter: brightness(0.96); }

button.primary { background: var(--primary); color: #fff; }

button.small {
  padding: 4px 10px;
  font-size: 12px;
  background: #eef2ff;
  color: #3730a3;
}

button.danger { background: #fee2e2; color: #b91c1c; }

.flash {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 14px;
  font-size: 14px;
}

.flash.ok { background: #dcfce7; color: #166534; }
.flash.error { background: #fee2e2; color: #991b1b; }

.stats {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.stat {
  flex: 1;
  min-width: 120px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat .num { font-size: 22px; font-weight: 700; }
.stat .label { color: var(--muted); font-size: 13px; }
.stat.doing .num { color: var(--doing); }
.stat.done .num { color: var(--done); }

.filters {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.filters input[type="search"] { flex: 1; min-width: 160px; }

.table-wrap {
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
}

table { width: 100%; border-collapse: collapse; font-size: 14px; }

th, td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th {
  background: #f9fafb;
  font-weight: 600;
  color: #374151;
  font-size: 13px;
}

tr:last-child td { border-bottom: none; }

td.mono { font-family: ui-monospace, Consolas, monospace; }

td.summary { max-width: 280px; white-space: normal; color: #374151; }

td.empty { text-align: center; color: var(--muted); padding: 28px; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
}

.badge.doing { background: #fef3c7; color: #92400e; }
.badge.done { background: #dcfce7; color: #166534; }
.badge.off { background: #e5e7eb; color: #4b5563; }

.pager {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: center;
  margin-top: 16px;
  font-size: 14px;
}

.ops { display: flex; gap: 6px; flex-wrap: wrap; }
.ops form { display: inline-flex; align-items: center; gap: 4px; margin: 0; }
.ops input[type="text"] { width: 110px; padding: 4px 8px; font-size: 12px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.card-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
}

.card-item.ok { border-color: #bbf7d0; background: #f0fdf4; }
.card-item.bad { border-color: #fecaca; background: #fef2f2; }

.card-label { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.card-value { font-size: 20px; font-weight: 700; }
.card-value.small { font-size: 14px; font-weight: 600; }

.actions { margin-bottom: 18px; }

.inline-form { display: flex; gap: 8px; flex-wrap: wrap; }
.inline-form input { flex: 1; min-width: 140px; }

.help { margin-top: 12px; font-size: 13px; color: #374151; }
.help summary { cursor: pointer; color: var(--primary); }
.help code { background: #f3f4f6; padding: 1px 5px; border-radius: 4px; }

label.check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 14px;
}

label.check input[type="text"] { flex: 1; }

.check-block { margin-bottom: 12px; font-size: 14px; }
.time-row { display: flex; gap: 8px; margin-top: 8px; }
.time-row input[type="text"] { flex: 1; max-width: 200px; }
.remove-time {
  border: 1px solid #d1d5db;
  background: #fff;
  color: #b91c1c;
  border-radius: 8px;
  width: 40px;
  cursor: pointer;
}
.add-time {
  margin-top: 8px;
  border: 1px dashed var(--primary);
  background: #fff;
  color: var(--primary);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
}

.form-card input[type="text"], .form-card textarea {
  width: 100%;
  margin-bottom: 10px;
}

@media (max-width: 560px) {
  .topbar { padding: 10px 14px; }
  .wrap { padding: 14px 10px 40px; }
  th, td { padding: 8px 9px; font-size: 13px; }
  .admin-nav a { margin-left: 0; margin-right: 12px; }
}