:root {
  --bg: #f3f4f6;
  --surface: #ffffff;
  --ink: #1f2937;
  --ink-muted: #6b7280;
  --line: #e5e7eb;
  --save: #10b981;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
[hidden] { display: none !important; }

.shell { display: none; min-height: 100dvh; }
.shell.is-on { display: block; }
.pane {
  width: min(480px, 100%);
  margin: 0 auto;
  padding: 28px 20px 112px;
}
.hello { margin: 0; color: var(--ink-muted); font-size: 15px; }
.hello-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.guest-name { margin: 2px 0 0; font-size: 28px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; }
.avatar {
  width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center;
  background: #fff; border: 1px solid var(--line);
  font-weight: 700; color: #374151;
}
.level { margin: 8px 0 0; color: var(--ink-muted); font-size: 14px; }
.balance-label { margin: 28px 0 0; color: var(--ink-muted); font-size: 14px; }
.balance-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; }
.balance { margin: 0; font-size: 40px; font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
.venue-chip {
  margin: 0 0 6px; padding: 8px 12px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line); color: var(--ink-muted); font-size: 13px;
}
.week { margin: 10px 0 0; color: var(--save); font-weight: 700; font-size: 15px; }
.qr-card {
  margin-top: 28px; padding: 28px 20px 22px; background: #fff;
  border: 1px solid var(--line); border-radius: 24px; text-align: center;
}
.qr-card svg { width: 200px; height: 200px; }
.qr-caption { margin: 14px 0 0; font-size: 15px; color: var(--ink-muted); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin: 32px 0 12px; }
.section-head h2 { margin: 0; font-size: 18px; font-weight: 700; }
.section-head button { border: 0; background: transparent; color: var(--ink-muted); font-size: 14px; cursor: pointer; }
.op {
  display: flex; align-items: center; gap: 12px;
  margin: 0 0 10px; padding: 14px 16px; background: #fff;
  border: 1px solid var(--line); border-radius: 18px;
}
.op-title { font-weight: 650; font-size: 15px; }
.op-sub { margin-top: 2px; color: var(--ink-muted); font-size: 13px; }
.op-sum { margin-left: auto; font-weight: 700; font-size: 16px; }
.op-sum.is-plus { color: var(--save); }
.empty { color: var(--ink-muted); font-size: 15px; }
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0;
  display: flex; justify-content: center; gap: 8px;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.94); border-top: 1px solid var(--line);
}
.tabbar button {
  min-width: 88px; border: 0; background: transparent; border-radius: 999px;
  padding: 10px 14px; color: var(--ink-muted); cursor: pointer; font-size: 13px; font-weight: 650;
}
.tabbar button.is-on { background: #f3f4f6; color: var(--ink); }
.screen-title { margin: 0 0 16px; font-size: 28px; font-weight: 800; letter-spacing: -0.03em; }
.back {
  border: 0; background: transparent; color: var(--ink); font-size: 15px; cursor: pointer; padding: 0 0 12px;
}
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; line-height: 1.4; }
.check input { margin-top: 3px; }
.consent-card {
  margin-top: 24px; padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: 20px;
  display: grid; gap: 14px;
}
@media (min-width: 960px) {
  .pane { padding-top: 48px; }
}