:root {
  --bg: #0E0D0B;
  --bg-2: #17150F;
  --card: #1D1A14;
  --line: #3A3326;
  --gold: #C9A961;
  --gold-2: #E8D9B5;
  --gold-deep: #9C7F3E;
  --text: #F4EFE4;
  --muted: #A69C88;
  --danger: #E07A6A;
  --ok: #8FC79A;
  --radius: 16px;
  --serif: 'Cormorant Garamond', 'Noto Serif SC', serif;
  --sans: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: radial-gradient(120% 60% at 50% 0%, #2A2416 0%, var(--bg) 60%) fixed, var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--gold); }
.wrap { max-width: 480px; margin: 0 auto; padding: 0 16px 48px; }
.hidden { display: none !important; }

/* header */
.top { text-align: center; padding: 28px 0 8px; }
.brand { font-family: var(--serif); letter-spacing: .35em; font-size: 22px; color: var(--gold-2); margin: 0; }
.branch { font-size: 12px; letter-spacing: .3em; color: var(--muted); margin-top: 2px; }

.hero { text-align: center; margin: 18px 0 8px; }
.eyebrow { display: inline-block; font-size: 12px; letter-spacing: .15em; color: var(--bg); background: var(--gold); padding: 3px 12px; border-radius: 99px; }
.hero h1 { font-family: 'Noto Serif SC', serif; font-weight: 700; font-size: 30px; line-height: 1.3; margin: 14px 0 6px; }
.hero h1 em { font-style: normal; color: var(--gold); }
.hero p { color: var(--muted); margin: 0; font-size: 15px; }

.counter { display: flex; justify-content: center; gap: 10px; margin: 18px 0 4px; }
.counter div { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 8px 14px; text-align: center; min-width: 120px; }
.counter b { display: block; font-family: var(--serif); font-size: 28px; color: var(--gold-2); line-height: 1.1; }
.counter span { font-size: 12px; color: var(--muted); }

.ref-banner { background: linear-gradient(90deg, #2C2416, #1D1A14); border: 1px solid var(--gold-deep); border-radius: 12px; padding: 10px 14px; margin: 14px 0 0; font-size: 14px; text-align: center; }

/* wheel */
.wheel-box { position: relative; width: min(340px, 86vw); aspect-ratio: 1; margin: 22px auto 8px; }
.wheel-box::before { content: ''; position: absolute; inset: -10px; border-radius: 50%; background: conic-gradient(var(--gold-deep), var(--gold-2), var(--gold-deep), var(--gold-2), var(--gold-deep)); box-shadow: 0 10px 40px rgba(201,169,97,.25); }
#wheel { position: relative; width: 100%; height: 100%; border-radius: 50%; transition: transform 5.2s cubic-bezier(.12,.72,.12,1); }
.pointer { position: absolute; top: -18px; left: 50%; transform: translateX(-50%); width: 0; height: 0; border-left: 16px solid transparent; border-right: 16px solid transparent; border-top: 30px solid var(--gold-2); filter: drop-shadow(0 3px 4px rgba(0,0,0,.5)); z-index: 2; }
.hub { position: absolute; inset: 39%; border-radius: 50%; background: radial-gradient(circle at 35% 30%, var(--gold-2), var(--gold-deep)); display: grid; place-items: center; font-family: var(--serif); font-weight: 700; color: var(--bg); font-size: 15px; letter-spacing: .1em; box-shadow: 0 0 0 4px var(--bg); z-index: 1; }

.btn { display: block; width: 100%; border: 0; border-radius: 99px; padding: 15px 20px; font: 600 17px var(--sans); cursor: pointer; text-align: center; text-decoration: none; transition: transform .1s, opacity .2s; }
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .5; cursor: default; }
.btn-gold { background: linear-gradient(180deg, var(--gold-2), var(--gold)); color: #1A140A; box-shadow: 0 6px 24px rgba(201,169,97,.35); }
.btn-line { background: transparent; color: var(--gold-2); border: 1px solid var(--gold-deep); }
.btn-wa { background: #25D366; color: #0B2914; }
.btn + .btn { margin-top: 10px; }
.spin-cta { margin-top: 18px; }
.hint { text-align: center; color: var(--muted); font-size: 13px; margin: 8px 0 0; }

/* sections */
.section { margin-top: 34px; }
.section h2 { font-family: 'Noto Serif SC', serif; font-size: 20px; margin: 0 0 12px; text-align: center; }
.section h2::after { content: ''; display: block; width: 36px; height: 2px; background: var(--gold); margin: 8px auto 0; }
.steps { display: grid; gap: 10px; }
.step { display: flex; gap: 12px; align-items: flex-start; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; }
.step i { flex: none; width: 28px; height: 28px; border-radius: 50%; background: var(--gold); color: var(--bg); font: 700 14px var(--serif); font-style: normal; display: grid; place-items: center; }
.step b { display: block; font-size: 15px; }
.step span { font-size: 13px; color: var(--muted); }

.prize-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.prize-list div { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px; text-align: center; font-size: 14px; }
.prize-list small { display: block; color: var(--muted); font-size: 11px; }
.tag { display: inline-block; font-size: 10px; letter-spacing: .1em; padding: 1px 8px; border-radius: 99px; margin-bottom: 4px; }
.tag.grand { background: var(--gold); color: var(--bg); }
.tag.mid { background: #3A3326; color: var(--gold-2); }
.tag.base { background: #2A2720; color: var(--muted); }

details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; font-size: 13px; color: var(--muted); }
summary { color: var(--text); cursor: pointer; font-size: 14px; }
details ol { padding-left: 18px; margin: 10px 0 0; }

footer { text-align: center; color: var(--muted); font-size: 12px; margin-top: 36px; }

/* modal */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.72); display: grid; place-items: end center; z-index: 20; padding: 0; animation: fade .25s; }
@media (min-width: 560px) { .modal { place-items: center; padding: 16px; } }
.sheet { width: 100%; max-width: 480px; max-height: 92vh; overflow-y: auto; background: var(--bg-2); border: 1px solid var(--line); border-radius: 22px 22px 0 0; padding: 22px 18px 26px; animation: up .3s ease-out; }
@media (min-width: 560px) { .sheet { border-radius: 22px; } }
@keyframes fade { from { opacity: 0; } }
@keyframes up { from { transform: translateY(40px); opacity: 0; } }

.win { text-align: center; }
.win .confetti { font-size: 42px; line-height: 1; }
.win h3 { margin: 6px 0 0; font-size: 15px; color: var(--muted); font-weight: 400; }
.win .prize-name { font-family: 'Noto Serif SC', serif; font-size: 28px; color: var(--gold-2); margin: 4px 0; }
.win .prize-en { font-family: var(--serif); color: var(--muted); font-size: 16px; }
.win p { font-size: 14px; color: var(--muted); }

form { display: grid; gap: 12px; margin-top: 16px; }
label { font-size: 13px; color: var(--muted); display: grid; gap: 4px; }
input, select, textarea { width: 100%; background: var(--bg); border: 1px solid var(--line); color: var(--text); border-radius: 12px; padding: 13px 14px; font: 16px var(--sans); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--gold); border-color: transparent; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 12px; }
.check input { width: 18px; height: 18px; flex: none; margin-top: 2px; accent-color: var(--gold); }
.err { color: var(--danger); font-size: 13px; min-height: 1em; margin: 0; text-align: center; }

/* dashboard */
.member-card { margin-top: 20px; border-radius: 20px; padding: 20px; background: linear-gradient(135deg, #2E2717 0%, #151310 55%, #2A2213 100%); border: 1px solid var(--gold-deep); position: relative; overflow: hidden; }
.member-card::after { content: 'LUXE'; position: absolute; right: -10px; bottom: -28px; font: 700 96px var(--serif); color: rgba(201,169,97,.08); letter-spacing: .05em; }
.member-card .lbl { font-size: 11px; letter-spacing: .25em; color: var(--gold); }
.member-card .no { font: 600 44px var(--serif); color: var(--gold-2); line-height: 1.1; margin-top: 4px; }
.member-card .who { font-size: 16px; margin-top: 6px; }
.member-card .sub { font-size: 12px; color: var(--muted); }

.vouchers { display: grid; gap: 10px; }
.voucher { display: flex; align-items: center; gap: 12px; background: var(--card); border: 1px dashed var(--gold-deep); border-radius: 14px; padding: 12px 14px; }
.voucher .ic { font-size: 26px; }
.voucher b { display: block; }
.voucher small { color: var(--muted); font-size: 12px; }
.voucher .st { margin-left: auto; font-size: 11px; color: var(--gold); white-space: nowrap; }

.ref-box { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px; }
.ref-box p { margin: 0 0 12px; font-size: 14px; color: var(--muted); }
.ref-box p b { color: var(--gold-2); }
.ref-link { display: flex; gap: 8px; margin-bottom: 12px; }
.ref-link input { font-size: 13px; padding: 10px 12px; }
.ref-link button { flex: none; background: var(--line); color: var(--text); border: 0; border-radius: 12px; padding: 0 14px; font: 14px var(--sans); cursor: pointer; }
.ref-stats { display: flex; gap: 10px; margin-bottom: 14px; }
.ref-stats div { flex: 1; background: var(--bg); border-radius: 12px; padding: 10px; text-align: center; }
.ref-stats b { display: block; font: 600 26px var(--serif); color: var(--gold-2); line-height: 1.1; }
.ref-stats span { font-size: 12px; color: var(--muted); }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--gold-2); color: var(--bg); padding: 10px 18px; border-radius: 99px; font-size: 14px; z-index: 30; animation: fade .2s; }