:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --primary: #0e2c5f;
  --accent: #5fb8f0;
  --text: #0a2350;
  --text-sub: #5c7090;
  --divider: rgba(14, 44, 95, 0.1);
  --user: #e7f3fe;
  --support: #f1f3f7;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Hiragino Sans", "Yu Gothic", "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
.wrap { max-width: 680px; margin: 0 auto; padding: 24px 16px 64px; }
.card {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(14, 44, 95, 0.06);
}
h1 { font-size: 20px; margin: 0 0 4px; }
.sub { color: var(--text-sub); font-size: 13px; margin: 0 0 16px; }
label { display: block; font-size: 13px; font-weight: 600; margin: 12px 0 4px; }
input[type="text"], input[type="email"], textarea {
  width: 100%;
  border: 1px solid var(--divider);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  background: #fff;
  color: var(--text);
}
textarea { min-height: 140px; resize: vertical; }
button {
  appearance: none;
  border: none;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font: inherit;
  font-weight: 700;
  padding: 12px 20px;
  cursor: pointer;
  margin-top: 16px;
}
button.secondary { background: var(--surface); color: var(--primary); border: 1px solid var(--divider); }
button:disabled { opacity: 0.5; cursor: default; }
.msg { padding: 10px 14px; border-radius: 12px; margin: 8px 0; white-space: pre-wrap; word-break: break-word; }
.msg.user { background: var(--user); margin-left: 32px; }
.msg.support { background: var(--support); margin-right: 32px; }
.msg.staff { background: #e9f7ef; }
.msg.ai { background: #fff6e5; }
.msg .meta { font-size: 11px; color: var(--text-sub); margin-bottom: 2px; }
.note { font-size: 12px; color: var(--text-sub); }
.error { color: #d85a5a; font-size: 13px; margin-top: 8px; }
.ok { color: #2fa779; font-size: 13px; margin-top: 8px; }
.status { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--support); color: var(--text-sub); }
a { color: var(--primary); }
.ticket-row { display: block; padding: 12px; border: 1px solid var(--divider); border-radius: 10px; margin-bottom: 8px; cursor: pointer; background: #fff; text-decoration: none; color: inherit; }
.ticket-row:hover { background: #fafcff; }
.filters { display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-start; margin-bottom: 10px; }
.filters select { padding: 6px 10px; border-radius: 8px; border: 1px solid var(--divider); font: inherit; }
.filter-group { display: flex; flex-direction: column; gap: 6px; }
.filter-label { font-size: 11px; font-weight: 700; color: var(--text-sub); letter-spacing: .04em; }
.chk-group { display: flex; gap: 6px; flex-wrap: wrap; }
.chk { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; padding: 4px 9px; border: 1px solid var(--divider); border-radius: 8px; background: #fff; cursor: pointer; user-select: none; }
.chk:hover { background: #fafcff; }
.chk input { margin: 0; cursor: pointer; }
.filter-actions { display: flex; gap: 8px; margin-bottom: 12px; }
#filterHint { margin: 0 0 10px; }
.admin-fields { display: flex; flex-direction: column; gap: 8px; padding: 12px; border: 1px dashed var(--divider); border-radius: 12px; background: #fafcff; margin: 8px 0 16px; }
.admin-fields select { padding: 6px 10px; border-radius: 8px; border: 1px solid var(--divider); font: inherit; }
.admin-fields textarea { min-height: 90px; }
.admin-fields button { margin-top: 8px; padding: 8px 16px; }
.prio { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px; font-weight: 700; }
.prio-urgent { background: #fde8e8; color: #c0392b; }
.prio-high { background: #fdf0e3; color: #c77c1d; }
.prio-low { background: #eef1f5; color: var(--text-sub); }
.brand { font-size: 12px; color: var(--text-sub); margin-top: 24px; text-align: center; }