:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --card-bg: #ffffff;
  --text: #1a1d23;
  --muted: #6b7280;
  --border: #e2e5ea;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --ok: #16a34a;
  --tag-bg: #eef2ff;
  --tag-text: #3730a3;
}

* { box-sizing: border-box; }

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

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }

.topbar { background: var(--card-bg); border-bottom: 1px solid var(--border); }
.topbar-inner {
  max-width: 1100px; margin: 0 auto; padding: 14px 20px;
  display: flex; justify-content: space-between; align-items: center;
}
.brand { font-weight: 600; color: var(--text); }
.topbar nav { display: flex; align-items: center; gap: 16px; font-size: 14px; }
.user-email { color: var(--muted); }
.inline-form { display: inline; }
.link-btn {
  background: none; border: none; color: var(--primary); cursor: pointer;
  font-size: 14px; padding: 0; font-family: inherit;
}
.link-btn:hover { text-decoration: underline; }

h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 0 0 12px; display: flex; align-items: center; gap: 8px; }
.subtitle { color: var(--muted); margin: 0 0 20px; }
.count { color: var(--muted); font-weight: normal; }

.login-box {
  max-width: 360px; margin: 60px auto; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: 12px; padding: 32px;
}
.login-box h1 { text-align: center; }
.login-box .subtitle { text-align: center; }

form label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 4px; }
input, select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 14px; font-family: inherit; background: var(--card-bg); color: var(--text);
}
textarea { resize: vertical; }

.btn-primary {
  margin-top: 16px; background: var(--primary); color: #fff; border: none;
  padding: 9px 18px; border-radius: 6px; font-size: 14px; cursor: pointer;
}
.btn-primary:hover { background: var(--primary-hover); }

.alert { padding: 10px 14px; border-radius: 6px; font-size: 14px; margin-bottom: 16px; }
.alert-error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.alert-ok { background: #f0fdf4; color: var(--ok); border: 1px solid #bbf7d0; }

.filter-bar {
  display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; align-items: center;
}
.filter-bar input[type="search"] { flex: 1; min-width: 220px; }
.filter-bar select { width: auto; }
.filter-bar .btn-primary { margin-top: 0; }

.data-table {
  width: 100%; border-collapse: collapse; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
}
.data-table th, .data-table td {
  padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px;
}
.data-table th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.row-link { cursor: pointer; }
.row-link:hover { background: #f9fafb; }
.empty { text-align: center; color: var(--muted); padding: 30px; }

.tag {
  background: var(--tag-bg); color: var(--tag-text); padding: 2px 8px;
  border-radius: 4px; font-size: 12px;
}
.tag-alert { background: #fef3c7; color: #92400e; }

.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; }
.dot-ok { background: var(--ok); }
.dot-off { background: var(--border); }

.text-expired { color: var(--danger); font-weight: 600; }

.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; padding: 18px;
}
.card-wide { grid-column: 1 / -1; }

.readonly-badge, .editable-badge {
  font-size: 10px; text-transform: uppercase; font-weight: 600; padding: 2px 6px; border-radius: 4px;
}
.readonly-badge { background: #f3f4f6; color: var(--muted); }
.editable-badge { background: #dbeafe; color: #1e40af; }

dl { margin: 0; }
dl dt { font-size: 12px; color: var(--muted); margin-top: 10px; }
dl dt:first-child { margin-top: 0; }
dl dd { margin: 2px 0 0; font-size: 14px; }

.plain-list { margin: 4px 0 0; padding-left: 18px; font-size: 13px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0 16px; }
.full-width { grid-column: 1 / -1; }

@media (max-width: 720px) {
  .detail-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}