:root {
  --bg: #0f1720;
  --panel: #17212b;
  --panel2: #1e2a38;
  --border: #2a3a4a;
  --text: #e6edf3;
  --muted: #8899a6;
  --accent: #2f81f7;
  --ok: #2ea043;
  --warn: #d29922;
  --danger: #da3633;
  --overdue: #f85149;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: var(--panel2); padding: 1px 6px; border-radius: 5px; font-size: .9em; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--border);
  flex-wrap: wrap; gap: 10px;
}
.brand { font-weight: 700; font-size: 1.05rem; }
.topbar nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.who { color: var(--muted); font-size: .9rem; }
.btn-link { color: var(--muted); }

.container { max-width: 960px; margin: 24px auto; padding: 0 16px; }
h1 { font-size: 1.5rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }

.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 20px; margin: 16px 0;
}
.card.narrow { max-width: 380px; margin: 60px auto; }
.cards-2 { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
@media (max-width: 720px) { .cards-2 { grid-template-columns: 1fr; } }

.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }

label { display: block; margin: 0 0 12px; font-size: .85rem; color: var(--muted); }
input, select {
  display: block; width: 100%; margin-top: 5px; padding: 9px 11px;
  background: var(--panel2); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-size: .95rem;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.form-grid .full { grid-column: 1 / -1; }
label.check { display: flex; align-items: center; gap: 9px; color: var(--text); cursor: pointer; }
label.check input { width: auto; margin: 0; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }

.btn {
  display: inline-block; cursor: pointer; padding: 9px 16px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel2); color: var(--text);
  font-size: .9rem; font-weight: 500;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.warn { background: var(--warn); border-color: var(--warn); color: #1a1400; }
.btn.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn.danger:hover { background: var(--danger); color: #fff; }
.btn.small { padding: 5px 11px; font-size: .82rem; }

.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.actions form { margin: 0; }

.flash { padding: 11px 15px; border-radius: 9px; margin: 0 0 16px; font-size: .92rem; }
.flash.ok { background: rgba(46,160,67,.15); border: 1px solid var(--ok); }
.flash.err { background: rgba(218,54,51,.15); border: 1px solid var(--danger); }

.grid { width: 100%; border-collapse: collapse; }
.grid th, .grid td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
.grid th { color: var(--muted); font-weight: 500; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
.grid tr.dim { opacity: .55; }

.pill { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: .75rem; font-weight: 600; }
.pill.on { background: rgba(46,160,67,.2); color: #3fb950; }
.pill.off { background: rgba(139,148,158,.2); color: var(--muted); }

.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }
.small { font-size: .82rem; }
.overdue { color: var(--overdue); font-weight: 600; }

.wgstatus { padding: 9px 14px; border-radius: 9px; font-size: .88rem; margin: 12px 0; }
.wgstatus.ok { background: rgba(46,160,67,.12); border: 1px solid var(--ok); }
.wgstatus.warn { background: rgba(210,153,34,.12); border: 1px solid var(--warn); }

hr { border: none; border-top: 1px solid var(--border); margin: 18px 0; }
.back { color: var(--muted); }

.pay-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 560px) { .pay-grid { grid-template-columns: 1fr; } }

.inline-form { display: flex; gap: 10px; margin: 0 0 18px; }
.inline-form input { margin-top: 0; }
@media (max-width: 480px) { .inline-form { flex-direction: column; } }

.tunnels { display: flex; flex-direction: column; gap: 12px; }
.tunnel { border: 1px solid var(--border); border-radius: 10px; padding: 14px; background: var(--panel2); }
.tunnel.dim { opacity: .6; }
.tunnel-head { margin-bottom: 10px; }
.tunnel-actions { margin-bottom: 8px; }
details.qr summary { cursor: pointer; color: var(--accent); font-size: .85rem; }
details.qr img { background: #fff; padding: 8px; border-radius: 8px; margin-top: 10px; display: block; }