:root {
  --bg: #0b1020;
  --bg-soft: #111834;
  --card: #151d3b;
  --card-2: #1b2547;
  --line: #26315c;
  --text: #e7ecff;
  --muted: #94a0c8;
  --brand: #5b8cff;
  --brand-2: #7b5bff;
  --accent: #22d3a6;
  --danger: #ff5c7a;
  --warn: #ffb44c;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(123,91,255,.18), transparent 60%),
              radial-gradient(900px 500px at 0% 0%, rgba(91,140,255,.16), transparent 55%),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
}
a { color: var(--brand); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img { max-width: 100%; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(11,16,32,.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 18px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; letter-spacing: .3px; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.brand span b { color: var(--brand); }
.nav-spacer { flex: 1; }
.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-links a, .nav-tab {
  padding: 8px 14px; border-radius: 10px; color: var(--muted); font-weight: 600;
  background: transparent; border: none; font-size: 14px;
}
.nav-tab.active, .nav-links a:hover, .nav-tab:hover { color: var(--text); background: var(--card-2); }
.balance-pill {
  display: flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px;
  background: linear-gradient(135deg, rgba(91,140,255,.2), rgba(123,91,255,.2));
  border: 1px solid var(--line); font-weight: 700; font-size: 14px;
}
.balance-pill .amt { color: var(--accent); }

.btn {
  border: 1px solid var(--line); background: var(--card-2); color: var(--text);
  padding: 9px 16px; border-radius: 10px; font-weight: 700; font-size: 14px; transition: .15s;
}
.btn:hover { border-color: var(--brand); }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); border: none; color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; }
.btn-danger { background: transparent; border-color: rgba(255,92,122,.4); color: var(--danger); }
.btn-danger:hover { background: rgba(255,92,122,.12); }
.btn-sm { padding: 6px 11px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- hero ---------- */
.hero { padding: 70px 0 40px; text-align: center; }
.hero h1 { font-size: 46px; line-height: 1.12; margin: 0 0 16px; font-weight: 900; letter-spacing: -.5px; }
.hero h1 .grad { background: linear-gradient(120deg, var(--brand), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--muted); font-size: 18px; max-width: 640px; margin: 0 auto 28px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; }
.hero .btn { padding: 13px 26px; font-size: 15px; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 40px 0 20px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.feature .ico { font-size: 26px; }
.feature h3 { margin: 10px 0 6px; font-size: 17px; }
.feature p { color: var(--muted); font-size: 14px; margin: 0; }

.svc-strip { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 26px 0 10px; }
.svc-chip { background: var(--card-2); border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; font-size: 14px; font-weight: 600; }

/* ---------- layout cards ---------- */
.page { padding: 28px 0 60px; }
.grid-2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; align-items: start; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.card h2 { margin: 0 0 4px; font-size: 18px; }
.card .sub { color: var(--muted); font-size: 13px; margin-bottom: 16px; }
.section-title { font-size: 22px; font-weight: 800; margin: 6px 0 18px; }

label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 6px; font-weight: 600; }
input, select, textarea {
  width: 100%; padding: 11px 13px; background: var(--bg-soft); border: 1px solid var(--line);
  color: var(--text); border-radius: 10px; font-size: 14px; outline: none;
}
input:focus, select:focus { border-color: var(--brand); }
select option { background: var(--bg-soft); }

.row { display: flex; gap: 12px; }
.row > * { flex: 1; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.stat { background: var(--card-2); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.stat .k { color: var(--muted); font-size: 13px; }
.stat .v { font-size: 26px; font-weight: 800; margin-top: 4px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
td.mono, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.table-wrap { overflow-x: auto; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge.waiting { background: rgba(255,180,76,.16); color: var(--warn); }
.badge.ok, .badge.done { background: rgba(34,211,166,.16); color: var(--accent); }
.badge.cancelled { background: rgba(255,92,122,.16); color: var(--danger); }

.price-list { max-height: 340px; overflow-y: auto; margin-top: 8px; }
.price-item { display: flex; align-items: center; justify-content: space-between; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 8px; cursor: pointer; transition: .12s; }
.price-item:hover { border-color: var(--brand); background: var(--card-2); }
.price-item.sel { border-color: var(--brand); background: var(--card-2); }
.price-item .p { font-weight: 800; color: var(--accent); }
.price-item .c { font-size: 12px; color: var(--muted); }

.order-card { background: var(--card-2); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 12px; }
.order-card .phone { font-size: 22px; font-weight: 800; letter-spacing: .5px; }
.order-card .code-box { margin-top: 10px; padding: 12px; border-radius: 10px; background: var(--bg-soft); border: 1px dashed var(--line); }
.order-card .code-box .code { font-size: 28px; font-weight: 900; color: var(--accent); letter-spacing: 2px; }

.hint { font-size: 13px; color: var(--muted); }
.notice { padding: 12px 14px; border-radius: 10px; background: rgba(255,180,76,.12); border: 1px solid rgba(255,180,76,.3); color: var(--warn); font-size: 14px; }

/* ---------- modal ---------- */
.modal-mask { position: fixed; inset: 0; background: rgba(4,7,18,.72); display: none; align-items: center; justify-content: center; z-index: 100; padding: 20px; }
.modal-mask.show { display: flex; }
.modal { width: 100%; max-width: 400px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 26px; box-shadow: var(--shadow); }
.modal h3 { margin: 0 0 4px; font-size: 22px; }
.modal .tabs { display: flex; gap: 6px; margin: 16px 0; background: var(--bg-soft); padding: 4px; border-radius: 12px; }
.modal .tabs button { flex: 1; padding: 9px; border: none; background: transparent; color: var(--muted); border-radius: 9px; font-weight: 700; }
.modal .tabs button.active { background: var(--card-2); color: var(--text); }

.toast-wrap { position: fixed; top: 78px; right: 20px; z-index: 200; display: flex; flex-direction: column; gap: 10px; }
.toast { padding: 13px 18px; border-radius: 12px; background: var(--card-2); border: 1px solid var(--line); box-shadow: var(--shadow); font-size: 14px; font-weight: 600; animation: slide .25s ease; }
.toast.err { border-color: rgba(255,92,122,.5); }
.toast.ok { border-color: rgba(34,211,166,.5); }
@keyframes slide { from { transform: translateX(30px); opacity: 0; } }

.footer { border-top: 1px solid var(--line); padding: 24px 0; color: var(--muted); font-size: 13px; text-align: center; }
.hidden { display: none !important; }
.center { text-align: center; }
.mt { margin-top: 16px; }
.codes-out { max-height: 220px; overflow-y: auto; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 10px; padding: 12px; font-family: ui-monospace, monospace; font-size: 13px; white-space: pre-wrap; }

@media (max-width: 820px) {
  .grid-2 { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .nav-links .label-hide { display: none; }
}