:root{--bg: #10121a;--bg-2: #171a26;--card: #1e2233;--line: #2a2f45;--text: #f3f4fb;--muted: #9aa0bd;--accent: #ffb547;--accent-ink: #2a1c00;--ghost: #262b40;--danger: #ff6b6b}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0}body{font-family:Pretendard Variable,Pretendard,system-ui,sans-serif;background:radial-gradient(120% 80% at 50% 0%,#1a1e2e 0%,var(--bg) 60%);color:var(--text);min-height:100dvh;line-height:1.5;letter-spacing:-.01em}#app{min-height:100dvh;display:flex;justify-content:center}.wrap{width:100%;max-width:440px;padding:24px 20px calc(28px + env(safe-area-inset-bottom));display:flex;flex-direction:column}.home{justify-content:center;min-height:100dvh;text-align:center;gap:8px}.logo{font-size:40px;font-weight:800;margin:0 0 4px;letter-spacing:-.03em}.tagline{color:var(--muted);font-size:17px;margin:0 0 28px}.tagline b{color:var(--text)}.hint{color:var(--muted);font-size:13px;margin-top:20px}.stack{display:flex;flex-direction:column;gap:12px}.btn{border:0;border-radius:16px;padding:18px 20px;font:inherit;font-size:18px;font-weight:700;cursor:pointer;transition:transform .08s ease,filter .15s ease}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);color:var(--accent-ink)}.btn-primary:disabled{background:var(--ghost);color:var(--muted);cursor:not-allowed}.btn-ghost{background:var(--ghost);color:var(--text)}.link-btn{background:none;border:0;color:var(--muted);font:inherit;font-size:16px;cursor:pointer;padding:6px 2px}.board-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.card{background:linear-gradient(160deg,var(--card),var(--bg-2));border:1px solid var(--line);border-radius:24px;padding:28px 24px;margin-bottom:20px;box-shadow:0 12px 32px #00000047}.card-label{color:var(--muted);font-size:14px;margin-bottom:10px}.card-floor{font-size:40px;font-weight:800;letter-spacing:-.02em;line-height:1.1}.card-spot{font-size:22px;font-weight:600;color:var(--accent);margin-top:6px}.card-meta{margin-top:16px;color:var(--muted);font-size:15px;display:flex;align-items:center;gap:6px}.card-meta .who{color:var(--text);font-weight:600}.card-empty .card-floor{font-size:24px;color:var(--muted)}.card-empty .card-spot{color:var(--muted);font-weight:400;font-size:15px}.timeline{margin-top:24px}.timeline-title{color:var(--muted);font-size:13px;margin-bottom:8px;padding-left:2px}.tl-row{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:12px 4px;border-top:1px solid var(--line)}.tl-floor{font-weight:600;font-size:16px}.tl-spot{color:var(--muted);font-weight:400;font-size:14px}.tl-meta{color:var(--muted);font-size:13px;white-space:nowrap}.notice{margin-top:18px;font-size:13px;color:var(--muted);background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:10px 12px}.input-title{font-size:22px;font-weight:700;margin:4px 0 18px}.floor-group-label{color:var(--muted);font-size:13px;margin:14px 0 8px 2px}.floor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.floor{background:var(--ghost);border:1px solid transparent;border-radius:14px;color:var(--text);font:inherit;font-size:17px;font-weight:600;padding:16px 8px;cursor:pointer;transition:transform .08s ease}.floor:active{transform:scale(.96)}.floor.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.field{display:flex;flex-direction:column;gap:6px;margin-top:18px}.field-label{color:var(--muted);font-size:14px;padding-left:2px}.field input{background:var(--bg-2);border:1px solid var(--line);border-radius:14px;color:var(--text);font:inherit;font-size:17px;padding:15px 16px;outline:none}.field input:focus{border-color:var(--accent)}.btn-submit{margin-top:26px}.input-hint{text-align:center;color:var(--muted);font-size:13px;margin-top:12px;min-height:16px}.loading{justify-content:center;align-items:center;min-height:100dvh}.spinner{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;left:50%;bottom:calc(28px + env(safe-area-inset-bottom));transform:translate(-50%,20px);background:#fff;color:#111;font-size:14px;font-weight:600;padding:12px 18px;border-radius:999px;max-width:88vw;text-align:center;box-shadow:0 8px 24px #00000059;opacity:0;transition:opacity .25s ease,transform .25s ease;z-index:50}.toast.show{opacity:1;transform:translate(-50%)}