:root{--cream:#f5f1e8;--card:#fbf9f3;--ink:#1f1e1c;--ink-soft:#6b6659;--terracotta:#d97757;--terracotta-dark:#be5f40;--clay:#b4805a;--border:#e3ddc9;--green:#5c7c4e;--red:#b4453c;box-sizing:border-box}*{box-sizing:inherit}body,html{margin:0;padding:0;background:var(--cream);color:var(--ink);font-family:Inter,sans-serif}body{min-height:100%;padding-top:env(safe-area-inset-top,0);padding-bottom:env(safe-area-inset-bottom,0)}h1,h2,h3{font-family:Fraunces,serif;font-weight:600;margin:0}.wrap{max-width:720px;margin:0 auto;padding:48px 24px 80px}header.hero{margin-bottom:36px}header.hero .kicker{color:var(--terracotta-dark);font-size:14px;font-weight:600;margin-bottom:8px}header.hero h1{font-size:38px;line-height:1.15;color:var(--ink)}header.hero p{color:var(--ink-soft);font-size:16px;margin-top:10px;max-width:60ch;line-height:1.55}nav.tabs{display:flex;gap:6px;border-bottom:1px solid var(--border);margin-bottom:32px}nav.tabs button{background:none;cursor:pointer;font-family:Inter,sans-serif;font-size:15px;font-weight:600;color:var(--ink-soft);padding:12px 4px;margin-right:22px;border:none;border-bottom:2px solid transparent;transition:color .15s ease,border-color .15s ease}nav.tabs button:hover{color:var(--ink)}nav.tabs button.active{color:var(--terracotta-dark);border-bottom-color:var(--terracotta)}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:28px}.card+.card{margin-top:20px}label{display:block;font-size:13px;font-weight:600;color:var(--ink-soft);margin-bottom:6px}.field{margin-bottom:18px}input[type=email],input[type=password],input[type=tel],input[type=text],input[type=url],select,textarea{width:100%;font-family:Inter,sans-serif;font-size:15px;color:var(--ink);background:#fff;border:1px solid var(--border);border-radius:8px;padding:11px 13px;outline:none;transition:border-color .15s ease}input:focus,select:focus,textarea:focus{border-color:var(--terracotta)}textarea{resize:vertical;min-height:80px}.row2{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}@media (max-width:560px){.row2{grid-template-columns:1fr}}.member-block{border:1px dashed var(--border);border-radius:10px;padding:16px;margin-bottom:14px}.member-block .member-label{font-family:Fraunces,serif;font-size:15px;font-weight:600;margin-bottom:12px;color:var(--clay)}.member-actions{display:flex;gap:10px;margin-top:4px;margin-bottom:22px}.ghost-btn{background:none;border:1px solid var(--border);color:var(--ink-soft);font-family:Inter,sans-serif;font-size:13px;font-weight:600;padding:8px 14px;border-radius:8px;cursor:pointer}.ghost-btn:hover{border-color:var(--terracotta);color:var(--terracotta-dark)}.ghost-btn:disabled{opacity:.4;cursor:not-allowed}.primary-btn{width:100%;background:var(--terracotta);color:#fff;border:none;border-radius:9px;font-family:Inter,sans-serif;font-size:15px;font-weight:600;padding:13px 18px;cursor:pointer;transition:background .15s ease}.primary-btn:hover{background:var(--terracotta-dark)}.primary-btn:disabled{opacity:.55;cursor:not-allowed}.hint{font-size:13px;color:var(--ink-soft);margin-top:6px}.hint,.msg{line-height:1.5}.msg{font-size:14px;border-radius:8px;padding:12px 14px;margin-top:16px}.msg.error{background:#f6e7e4;color:var(--red);border:1px solid #e4c2bb}.msg.success{background:#eaf0e5;color:var(--green);border:1px solid #c9dabe}.code-result{text-align:center;padding:26px 20px}.code-result .code{font-family:Fraunces,serif;font-size:34px;letter-spacing:2px;color:var(--terracotta-dark);margin:10px 0 4px}.code-result .sub{color:var(--ink-soft);font-size:14px}table.leaderboard{width:100%;border-collapse:collapse;font-size:14px}table.leaderboard th{text-align:left;font-weight:600;color:var(--ink-soft);font-size:12px;padding:0 10px 10px;border-bottom:1px solid var(--border)}table.leaderboard td{padding:12px 10px;border-bottom:1px solid var(--border)}table.leaderboard tr:last-child td{border-bottom:none}.rank{font-family:Fraunces,serif;font-weight:600;color:var(--terracotta-dark);width:32px}.empty{color:var(--ink-soft);font-size:14px;padding:30px 0;text-align:center}.qr-box{background:#fff;border:1px solid var(--border);border-radius:10px;padding:18px;text-align:center}.qr-img{width:180px;height:180px;object-fit:contain;border:1px solid var(--border);border-radius:8px;background:#fff}.upload-preview{display:block;margin-top:10px;max-width:160px;border-radius:8px;border:1px solid var(--border)}input[type=file]{width:100%;font-family:Inter,sans-serif;font-size:14px;color:var(--ink-soft);background:#fff;border:1px solid var(--border);border-radius:8px;padding:10px 12px}.login-card{max-width:380px;margin:60px auto;text-align:center}.login-card p{color:var(--ink-soft);font-size:14px;margin:8px 0 18px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}.stat{font-size:14px;color:var(--ink-soft)}.stat b{color:var(--ink);font-family:Fraunces,serif;font-size:18px}.table-scroll{overflow-x:auto;border:1px solid var(--border);border-radius:12px;background:var(--card)}table.admin{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap}table.admin th{text-align:left;font-weight:600;color:var(--ink-soft);font-size:11px;text-transform:uppercase;letter-spacing:.03em;background:#f0ebdd}table.admin td,table.admin th{padding:12px 14px;border-bottom:1px solid var(--border)}table.admin td{vertical-align:top}table.admin tr:last-child td{border-bottom:none}a.link{color:var(--terracotta-dark);text-decoration:none;font-weight:600}a.link:hover{text-decoration:underline}.members-cell{max-width:220px;line-height:1.5}.idea-cell,.members-cell{white-space:normal;font-size:12px;color:var(--ink-soft)}.idea-cell{max-width:260px}.tag{display:inline-block;font-size:11px;font-weight:600;padding:2px 8px;border-radius:20px;background:#eaf0e5;color:var(--green)}.tag.hw{background:#f1e6dc;color:var(--terracotta-dark)}.error-box,.loading{padding:40px;text-align:center;color:var(--ink-soft)}.error-box{color:var(--red)}.config-note{font-size:12px;color:var(--ink-soft);text-align:center;margin-top:36px}