:root{
  --bg:#faf6f0; --card:#fff; --ink:#1f2937; --muted:#6b7280;
  --red:#9B292A; --red-d:#7c2122; --line:#ece5da;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,sans-serif;padding-bottom:40px}
.topbar{position:sticky;top:0;background:rgba(250,246,240,.94);backdrop-filter:blur(10px);z-index:10;padding:14px 16px 0;border-bottom:1px solid var(--line)}
.logo-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.logo{font-weight:700;font-size:17px}
.promo-fab{border:1px solid var(--red);background:#fff;color:var(--red);font-weight:700;font-size:13px;border-radius:99px;padding:7px 14px;cursor:pointer}
.promo-fab:active{background:#fbe9e9}
.promo-input{width:100%;padding:14px;border:1px solid var(--line);border-radius:12px;font-size:16px;text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}
.golden-badge{display:inline-block;background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;font-size:11px;font-weight:800;border-radius:6px;padding:3px 8px;margin-left:6px;vertical-align:middle}
.tabs{display:flex;gap:8px}
.tab{border:0;background:transparent;padding:10px 14px;font-size:15px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;cursor:pointer}
.tab.active{color:var(--red);border-bottom-color:var(--red)}
.dot{background:var(--red);color:#fff;border-radius:99px;font-size:11px;padding:1px 7px;display:inline-block;min-width:18px;text-align:center}
.dot:empty{display:none}
main{max-width:640px;margin:0 auto;padding:16px}
.list{display:grid;gap:14px}
.card{background:var(--card);border-radius:18px;padding:18px;box-shadow:0 6px 24px rgba(15,23,42,.06)}
.card h3{margin:0 0 4px;font-size:17px}
.sub{color:var(--muted);font-size:13.5px;margin:0 0 12px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.chip{background:#f3ede3;border-radius:99px;padding:5px 11px;font-size:12.5px;font-weight:600}
audio{width:100%;height:40px;margin-bottom:12px}
.btn{width:100%;border:0;border-radius:12px;padding:13px;font-size:15px;font-weight:700;cursor:pointer;background:var(--red);color:#fff}
.btn:active{background:var(--red-d)}
.btn.ghost{background:#f3ede3;color:var(--ink)}
.btn.small{width:auto;padding:9px 14px;font-size:13.5px}
.btn:disabled{opacity:.55;cursor:default}
.row{display:flex;gap:10px}
.row .btn{flex:1}
.skeleton{color:var(--muted);text-align:center;padding:40px 0}
.timer{font-size:22px;font-weight:800;color:var(--red);letter-spacing:.5px}
.timer.small{font-size:16px}
.expired{color:var(--muted)}
.code{font-family:ui-monospace,monospace;background:#f3ede3;border-radius:8px;padding:3px 8px;font-size:12.5px;display:inline-block;margin:6px 0}
.status{font-size:13px;font-weight:600}
.status.active{color:#15803d}.status.expired{color:#b45309}.status.revoked{color:#b91c1c}.status.pending{color:#6b7280}
.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:50;display:flex;align-items:flex-end;justify-content:center}
.modal.hidden{display:none}
.modal-card{background:#fff;width:100%;max-width:520px;border-radius:22px 22px 0 0;padding:24px 20px calc(24px + env(safe-area-inset-bottom));position:relative;max-height:88vh;overflow:auto}
.modal-close{position:absolute;right:14px;top:12px;border:0;background:#f3ede3;width:32px;height:32px;border-radius:50%;font-size:14px;cursor:pointer}
.qr{width:230px;height:230px;display:block;margin:10px auto;border-radius:14px;border:1px solid var(--line)}
.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%);background:#111827;color:#fff;padding:11px 18px;border-radius:12px;font-size:14px;z-index:80;max-width:88vw;text-align:center}
.toast.hidden{display:none}
.pay-note{font-size:13px;color:var(--muted);text-align:center;margin:8px 0 14px}
.test-flag{display:inline-block;background:#fef3c7;color:#92400e;font-size:11px;font-weight:700;border-radius:6px;padding:2px 7px;margin-left:6px;vertical-align:middle}
.ref-hero{background:linear-gradient(160deg,#fff,#fdf3ec)}
.ref-progress{margin:14px 0}
.ref-bar{height:10px;background:#f0e8dd;border-radius:99px;overflow:hidden;margin-bottom:8px}
.ref-fill{height:100%;background:linear-gradient(90deg,#f59e0b,#9B292A);border-radius:99px;transition:width .4s}
.reward-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.reward-row:last-child{border-bottom:0}
.btn.small{width:auto;padding:8px 14px;font-size:13px}
.friend-row{display:flex;align-items:center;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.friend-row:last-child{border-bottom:0}