:root {
  --navy: #0B3D5C;
  --navy-2: #0e4d73;
  --teal: #1aa6a2;
  --teal-soft: #e6f7f6;
  --bg: #f4f7fa;
  --card: #fff;
  --text: #1a2b3c;
  --muted: #5b6b7c;
  --danger: #c0392b;
  --warn: #d68910;
  --ok: #1e8449;
  --border: #d8e0e8;
  --shadow: 0 8px 24px rgba(11,61,92,.08);
  --radius: 14px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: "Segoe UI", system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); }
body { min-height: 100vh; }
button, input, select, textarea { font: inherit; }
a { color: var(--teal); }
.pilot-banner {
  background: linear-gradient(90deg, #8e2de2, #4a00e0);
  color: #fff; text-align: center; padding: .55rem 1rem; font-size: .92rem; font-weight: 600;
  position: sticky; top: 0; z-index: 50;
}
.pilot-banner small { font-weight: 400; opacity: .9; }
.topbar {
  background: var(--navy); color: #fff; display: flex; align-items: center; gap: 1rem;
  padding: .75rem 1.1rem; flex-wrap: wrap;
}
.topbar img { height: 36px; width: auto; border-radius: 8px; background: #fff; }
.topbar h1 { margin: 0; font-size: 1.15rem; font-weight: 700; letter-spacing: .02em; }
.topbar .meta { margin-left: auto; display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.badge {
  display: inline-flex; align-items: center; gap: .35rem; background: rgba(255,255,255,.15);
  border-radius: 999px; padding: .2rem .65rem; font-size: .82rem;
}
.badge.warn { background: #f5b041; color: #3d2a00; font-weight: 700; }
.layout { display: grid; grid-template-columns: 1fr; gap: 0; max-width: 1200px; margin: 0 auto; padding: 1rem; }
@media (min-width: 900px) {
  .layout { grid-template-columns: 340px 1fr; gap: 1rem; align-items: start; }
  .list-pane { position: sticky; top: 70px; max-height: calc(100vh - 90px); overflow: auto; }
}
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1rem;
}
.card h2 { margin: 0 0 .75rem; font-size: 1.05rem; color: var(--navy); }
.card h3 { margin: 1rem 0 .5rem; font-size: .95rem; color: var(--navy-2); }
.tabs { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: .8rem; }
.tab {
  border: 1px solid var(--border); background: #fff; border-radius: 999px; padding: .35rem .8rem;
  cursor: pointer; color: var(--muted);
}
.tab.active { background: var(--navy); color: #fff; border-color: var(--navy); }
.tab .count { background: var(--warn); color: #fff; border-radius: 999px; padding: 0 .4rem; margin-left: .25rem; font-size: .75rem; }
.btn {
  border: none; border-radius: 10px; padding: .55rem .9rem; cursor: pointer; font-weight: 600;
  background: var(--navy); color: #fff;
}
.btn:hover { filter: brightness(1.08); }
.btn.teal { background: var(--teal); }
.btn.ghost { background: #fff; color: var(--navy); border: 1px solid var(--border); }
.btn.warn { background: var(--warn); }
.btn.danger { background: var(--danger); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .8rem; }
.field { display: flex; flex-direction: column; gap: .25rem; margin-bottom: .7rem; }
.field label { font-size: .82rem; color: var(--muted); font-weight: 600; }
.field input, .field select, .field textarea {
  border: 1px solid var(--border); border-radius: 10px; padding: .55rem .7rem; background: #fff;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
@media (max-width: 600px) { .grid-2 { grid-template-columns: 1fr; } }
.bill-item {
  border: 1px solid var(--border); border-radius: 12px; padding: .7rem .8rem; margin-bottom: .55rem;
  cursor: pointer; background: #fff; transition: border-color .15s, box-shadow .15s;
}
.bill-item:hover, .bill-item.active { border-color: var(--teal); box-shadow: 0 0 0 2px rgba(26,166,162,.15); }
.bill-item .title { font-weight: 700; color: var(--navy); }
.bill-item .sub { font-size: .82rem; color: var(--muted); margin-top: .15rem; }
.status {
  display: inline-block; font-size: .72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .04em; padding: .15rem .45rem; border-radius: 6px; margin-top: .35rem;
}
.status.draft { background: #eef2f6; color: #445; }
.status.sent { background: #d6eaf8; color: #1a5276; }
.status.problem { background: #fadbd8; color: #922b21; }
.status.corrected { background: #fdebd0; color: #7e5109; }
.status.entered { background: #d5f5e3; color: #196f3d; }
.login-wrap { max-width: 520px; margin: 2rem auto; padding: 0 1rem; }
.role-card {
  border: 1px solid var(--border); border-radius: 12px; padding: .9rem; margin-bottom: .6rem;
  cursor: pointer; background: #fff; display: flex; justify-content: space-between; align-items: center;
}
.role-card:hover { border-color: var(--teal); }
.role-card strong { color: var(--navy); }
.muted { color: var(--muted); font-size: .9rem; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; }
.thread { max-height: 220px; overflow: auto; border: 1px solid var(--border); border-radius: 10px; padding: .6rem; background: #fafcfd; }
.msg { margin-bottom: .55rem; padding: .45rem .55rem; border-radius: 8px; background: #fff; border: 1px solid var(--border); }
.msg .who { font-size: .75rem; color: var(--muted); margin-bottom: .2rem; }
.audit li { margin-bottom: .35rem; font-size: .85rem; }
.toast {
  position: fixed; bottom: 1rem; right: 1rem; background: var(--navy); color: #fff;
  padding: .7rem 1rem; border-radius: 10px; box-shadow: var(--shadow); z-index: 100; display: none;
}
.toast.show { display: block; }
.toast.err { background: var(--danger); }
.toast.ok { background: var(--ok); }
.empty { padding: 1.2rem; text-align: center; color: var(--muted); }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: .3rem .6rem; font-size: .92rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 600; }
.chip { display: inline-block; background: var(--teal-soft); color: #0b5e5b; border-radius: 999px; padding: .15rem .55rem; margin: .1rem; font-size: .8rem; font-weight: 600; }
.recovery-box {
  background: #fff8e7; border: 1px dashed var(--warn); border-radius: 10px; padding: .7rem; margin: .6rem 0;
  font-size: .88rem;
}
.hidden { display: none !important; }