:root{
  --bg:#0b1020;
  --bg-soft:#11182e;
  --surface:rgba(18,25,45,.92);
  --surface-2:rgba(25,34,61,.9);
  --surface-3:#eef3ff;
  --card:#121a31;
  --card-soft:#1a2445;
  --line:rgba(255,255,255,.09);
  --line-soft:rgba(111,137,193,.22);
  --text:#f7f9ff;
  --text-dark:#101828;
  --muted:#a4b0d0;
  --muted-dark:#667085;
  --blue:#4a8cff;
  --blue-2:#2f6fe8;
  --cyan:#58d1ff;
  --green:#22c55e;
  --orange:#f59e0b;
  --red:#ef4444;
  --shadow:0 24px 56px rgba(2,8,23,.35);
  --shadow-soft:0 18px 40px rgba(2,8,23,.18);
  --radius:26px;
  --radius-sm:18px;
  --bottom:86px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:"Noto Sans KR","Pretendard","Apple SD Gothic Neo","Malgun Gothic",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:radial-gradient(circle at top,#172346 0,#0b1020 42%,#070b17 100%);color:var(--text);touch-action:manipulation}
a{color:inherit}
body{overscroll-behavior:none}
.app-shell{width:100%;max-width:560px;margin:0 auto;min-height:100vh;position:relative}
.has-bottom-nav{padding-bottom:calc(var(--bottom) + env(safe-area-inset-bottom))}
.no-bottom-nav{padding-bottom:0}
.page{padding:20px 18px 30px}
.topbar{position:sticky;top:0;z-index:35;padding:14px 16px 12px;background:rgba(7,11,23,.72);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.06)}
.topbar.plain{background:rgba(243,246,251,.86)}
.brand{display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand-left{display:flex;align-items:center;gap:12px;min-width:0;flex:1}
.brand-copy{min-width:0}
.brand-copy h1,.brand h1{margin:0;font-size:22px;line-height:1.1;letter-spacing:-.04em}
.brand-copy small,.brand small{display:block;margin-top:4px;color:var(--muted);font-weight:700;font-size:12px;line-height:1.35}
.brand-mark{width:44px;height:44px;flex:0 0 44px;border-radius:16px;background:linear-gradient(135deg,#58d1ff,#4a8cff 55%,#6c4bff);display:grid;place-items:center;color:#fff;font-size:14px;font-weight:900;box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 8px 24px rgba(74,140,255,.28);overflow:hidden}
.brand-mark.with-image{background:rgba(255,255,255,.08);padding:0}
.brand-mark img{width:100%;height:100%;object-fit:contain;background:#fff}
.icon-btn{width:42px;height:42px;border-radius:16px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.08);display:grid;place-items:center;text-decoration:none;color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.18);cursor:pointer}
.icon-btn.small{width:36px;height:36px;border-radius:12px}
.hero-panel,.surface-card,.card{background:linear-gradient(180deg,rgba(22,31,58,.96),rgba(16,23,44,.96));border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero-panel{padding:24px;position:relative;overflow:hidden}
.hero-panel::after{content:"";position:absolute;right:-80px;top:-90px;width:220px;height:220px;background:radial-gradient(circle,rgba(88,209,255,.38) 0,rgba(88,209,255,.02) 70%,transparent 100%)}
.hero-panel h2{margin:0 0 10px;font-size:32px;line-height:1.08;letter-spacing:-.05em}
.hero-panel p{margin:0;color:#c5d1f3;line-height:1.6}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.btn{border:0;border-radius:18px;padding:14px 18px;background:linear-gradient(135deg,#4a8cff,#2f6fe8);color:#fff;font-weight:900;font-size:15px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 16px 32px rgba(47,111,232,.35);cursor:pointer;transition:transform .16s ease,box-shadow .16s ease}
.btn:active{transform:scale(.985)}
.btn.secondary{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);box-shadow:none;color:#fff}
.btn.ghost{background:#eef4ff;color:#2f6fe8;box-shadow:none}
.btn.danger{background:linear-gradient(135deg,#f87171,#ef4444)}
.btn.full{width:100%}
.btn.small{padding:10px 14px;border-radius:14px;font-size:13px}
.section-title{margin:24px 2px 12px;display:flex;align-items:flex-end;justify-content:space-between;gap:10px}
.section-title h3{margin:0;font-size:18px;letter-spacing:-.03em}
.section-title a{font-size:13px;text-decoration:none;font-weight:800;color:#b7cbff}
.grid{display:grid;gap:14px}
.grid.two{grid-template-columns:1fr 1fr}
.grid.five{grid-template-columns:repeat(5,minmax(0,1fr))}
.card{padding:18px}
.card.flat{box-shadow:none}
.card h4{margin:0 0 6px;font-size:17px;letter-spacing:-.03em}
.card p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.stat-card{padding:16px;border-radius:22px;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.08)}
.stat-card b{display:block;font-size:24px;margin-bottom:4px}
.stat-card span{font-size:12px;color:#b9c7ea}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:800;color:#dbe6ff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:999px;padding:7px 10px}
.pill.blue{background:rgba(74,140,255,.16);color:#d9e7ff;border-color:rgba(74,140,255,.36)}
.meta-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.form{display:grid;gap:14px}
.field label,.field .field-title{display:block;font-size:13px;font-weight:900;margin:0 0 8px;color:#d7e2ff}
.field input,.field select,.field textarea{width:100%;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(255,255,255,.07);padding:14px 15px;font-size:16px;color:#fff;outline:none}
.field textarea{min-height:100px;resize:vertical}
.field input::placeholder{color:#9fb0d8}
.field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(88,209,255,.6);box-shadow:0 0 0 4px rgba(74,140,255,.12)}
.field select option{color:#111827}
.field-help{margin:8px 0 0;color:#9fb0d8;font-size:12px;line-height:1.45}
.field-help.danger{color:#fecaca}
.notice{border-radius:18px;padding:14px 16px;background:#1e293b;border:1px solid rgba(245,158,11,.42);color:#fcd34d;font-size:14px;line-height:1.5}
.muted{color:var(--muted)}
.rank-list{display:grid;gap:12px}
.rank-item{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid rgba(255,255,255,.08);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));border-radius:20px;padding:14px 16px;text-decoration:none;color:inherit}
.rank-item:hover{border-color:rgba(88,209,255,.32)}
.copy-box{display:flex;gap:8px;align-items:center;border:1px dashed rgba(88,209,255,.35);background:rgba(255,255,255,.04);border-radius:18px;padding:10px}
.copy-box input{border:0;background:transparent;flex:1;min-width:0;font-size:13px;color:#dbe6ff}
.choice-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.choice{border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.06);border-radius:18px;padding:13px 10px;text-align:center;font-weight:900;cursor:pointer;color:#dbe6ff}
.choice input{display:none}.choice:has(input:checked){border-color:var(--cyan);background:rgba(74,140,255,.16);color:#fff}
.bottom-nav{position:fixed;left:50%;bottom:0;transform:translateX(-50%);width:100%;max-width:560px;height:calc(var(--bottom) + env(safe-area-inset-bottom));padding:10px 14px calc(10px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(5,1fr);gap:10px;background:rgba(9,13,24,.82);backdrop-filter:blur(22px);border-top:1px solid rgba(255,255,255,.08);z-index:40}
.bottom-nav a{text-decoration:none;color:#91a4cf;border-radius:20px;display:grid;place-items:center;gap:3px;font-size:11px;font-weight:900;padding:8px 4px}
.bottom-nav a span{font-size:18px;line-height:1}
.bottom-nav a.active{background:linear-gradient(180deg,rgba(74,140,255,.22),rgba(74,140,255,.14));color:#fff;border:1px solid rgba(88,209,255,.22)}
.legal-footer{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
  gap:7px;
  padding:16px 14px calc(18px + env(safe-area-inset-bottom));
  color:#8fa0c4;
  font-size:12px;
  font-weight:800;
}
.has-bottom-nav .legal-footer{
  padding-bottom:calc(var(--bottom) + 18px + env(safe-area-inset-bottom));
}
.legal-footer a{
  color:inherit;
  text-decoration:none;
}
.legal-footer a:hover{
  color:#dbe6ff;
}

.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}
.page-head h2{margin:0;font-size:24px;letter-spacing:-.04em}
.page-head p{margin:6px 0 0;color:var(--muted);font-size:14px}
.header-actions{display:flex;gap:8px;align-items:center}
.option-dot{width:8px;height:8px;border-radius:999px;background:var(--cyan)}
.form-shell{display:grid;gap:16px}
.form-shell .surface-card{padding:18px}
.form-shell .surface-card h3{margin:0 0 14px;font-size:17px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid .field.full{grid-column:1/-1}
.inline-note{padding:12px 14px;border-radius:16px;background:rgba(88,209,255,.08);border:1px solid rgba(88,209,255,.12);color:#d4e9ff;font-size:13px;line-height:1.5}
.empty-state{padding:28px 18px;text-align:center}
.empty-state h3{margin:0 0 8px;font-size:20px}
.empty-state p{margin:0;color:var(--muted);line-height:1.6}
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:18px}
.pagination a,.pagination span{min-width:40px;height:40px;display:grid;place-items:center;border-radius:14px;text-decoration:none;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);color:#dbe6ff;font-weight:800}
.pagination .active{background:linear-gradient(135deg,#4a8cff,#2f6fe8);border-color:transparent}
.room-list{display:grid;gap:12px}
.room-card{display:grid;gap:14px;text-decoration:none;color:inherit}
.room-card-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.room-card-head b{font-size:18px}
.room-meta-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.room-meta-box{padding:12px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.06)}
.room-meta-box span{display:block;font-size:11px;color:#9fb0d8;margin-bottom:4px}
.room-meta-box b{font-size:14px}
.info-grid{display:grid;gap:14px}
.info-card{padding:18px;border-radius:24px;background:#fff;border:1px solid #e4ebf6;box-shadow:0 12px 30px rgba(22,36,65,.08);color:#1f2a44}
.info-card h4{margin:0 0 8px;font-size:18px;color:#172033}
.info-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.info-list li{padding:12px 14px;border-radius:16px;background:#f7f9fd;border:1px solid #e5ebf6;color:#344054;line-height:1.6}
.legal-page{
  display:grid;
  gap:14px;
}
.legal-card{
  padding:22px;
  background:#fff;
  border-color:#e4ebf6;
  color:#1f2a44;
}
.legal-card .legal-date{
  margin:0 0 8px;
  color:#98a2b3;
  font-size:11px;
  font-weight:400;
  line-height:1.45;
  letter-spacing:0;
}
.legal-card h2{
  margin:0 0 16px;
  font-size:26px;
  line-height:1.18;
  color:#101828;
}
.legal-card h3{
  margin:22px 0 8px;
  font-size:17px;
  line-height:1.35;
  color:#24304a;
}
.legal-card p,
.legal-card li{
  color:#344054;
  font-size:14px;
  line-height:1.75;
}
.legal-card p{
  margin:0 0 10px;
}
.legal-card ul{
  display:grid;
  gap:8px;
  margin:0;
  padding-left:18px;
}
.legal-card a{
  color:#1d4ed8;
  font-weight:900;
  text-decoration:none;
}
.legal-card a:hover{
  color:#123cba;
}

/* game / room compatibility */
.room-header{padding:20px 18px 0}
.room-title{font-size:26px;line-height:1.15;letter-spacing:-.05em;margin:10px 0 8px}
.back-link{text-decoration:none;color:#b7cbff;font-weight:900}

.mb-toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translate(-50%, 18px);z-index:20000;max-width:min(420px, calc(100vw - 34px));border-radius:999px;padding:12px 16px;background:rgba(17,24,39,.92);color:#fff;font-size:14px;font-weight:900;opacity:0;pointer-events:none;transition:opacity .18s ease, transform .18s ease;box-shadow:0 16px 40px rgba(0,0,0,.22)}.mb-toast.show{opacity:1;transform:translate(-50%, 0)}

@media (max-width:720px){

  .page{padding:18px 14px 26px}
  .hero-panel h2{font-size:29px}
  .grid.two,.grid.five,.form-grid,.room-meta-grid,.stats-grid{grid-template-columns:1fr}
  .topbar{padding-left:14px;padding-right:14px}
  .brand-copy h1,.brand h1{font-size:20px}
  .bottom-nav{gap:8px;padding-inline:10px}
  .bottom-nav a{border-radius:18px}
}