:root{--bg:#fff;--surface:#fff;--surface-strong:#fff;--border:#e8eef5;--border-soft:#eef2f7;--text:#0a0a0a;--muted:#666;--accent:#2563eb;--accent-soft:#eff6ff;--destructive:#c62828;--note:#fef9c3;--success:#16a34a;--radius:16px;--shadow:none;--glass-blur:0px;color:var(--text);background:var(--bg);font-family:Instrument Sans,Segoe UI,system-ui,sans-serif;line-height:1.45}*{box-sizing:border-box}html,body,#root{background:#fff;min-height:100%;margin:0}button,input,textarea{font:inherit}a{color:var(--accent)}.desktop-only{text-align:center;background:#fff;place-items:center;min-height:100vh;padding:32px 24px;display:grid}.desktop-only-inner{flex-direction:column;align-items:center;gap:12px;max-width:360px;display:flex}.desktop-only h1{letter-spacing:-.03em;margin:8px 0 0;font-family:Outfit,Instrument Sans,sans-serif;font-size:28px}.desktop-only p{color:#555;margin:0 0 12px;font-size:15px;line-height:1.5}.wa-shell{background:#fff;flex-direction:column;min-height:100vh;display:flex}.site-nav{box-shadow:none;background:0 0;border:none;align-items:center;gap:8px;padding:22px clamp(28px,5vw,72px);display:flex}.nav-brand{color:var(--text);letter-spacing:-.02em;align-items:center;gap:10px;margin-right:8px;font-family:Outfit,Instrument Sans,sans-serif;font-size:15px;font-weight:700;text-decoration:none;display:inline-flex}.brand-mark{background:var(--accent-soft);width:64px;height:64px;color:var(--accent);border-radius:18px;place-items:center;font-size:28px;font-weight:800;display:grid}.brand-mark.sm{color:#fff;background:#0a0a0a;border-radius:8px;width:28px;height:28px;margin:0;font-size:13px}.brand-logo{object-fit:contain;background:0 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.home-mode-sub{color:#0d4a55b8}.home-mode-btn:hover{filter:saturate(1.05);transform:translateY(-1px)}.home-mode-btn:hover:before{opacity:1;filter:blur(20px)}.home-mode-title,.home-mode-sub{z-index:1;position:relative}.home-mode-title{letter-spacing:-.02em;font-size:20px;font-weight:700}.home-mode-sub{font-size:14px;font-weight:400;line-height:1.4}.guest-learn-more{color:var(--accent);font:inherit;text-underline-offset:3px;cursor:pointer;background:0 0;border:none;margin-top:18px;padding:0;font-size:14px;font-weight:600;text-decoration:underline;display:inline}.guest-learn-more:hover{color:#2563eb}.guest-hub-list{flex-direction:column;gap:10px;width:100%;max-width:360px;display:flex}.guest-hub-card{color:inherit;background:#fff;border:1px solid #e8e8e8;border-radius:14px;align-items:center;gap:14px;padding:16px 14px;text-decoration:none;transition:border-color .15s,box-shadow .15s;display:flex;box-shadow:0 1px 2px #0f172a0a}.guest-hub-card:hover{border-color:#cfd8e3;box-shadow:0 4px 14px -8px #0f172a2e}.guest-hub-icon{width:40px;height:40px;color:var(--accent);background:#eff6ff;border-radius:12px;flex-shrink:0;place-items:center;font-size:18px;font-weight:700;display:grid}.guest-hub-card-text{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.guest-hub-card-title{color:var(--accent);font-size:16px;font-weight:700}.guest-hub-card-sub{color:#888;font-size:13px;line-height:1.35}.guest-hub-chevron{color:silver;flex-shrink:0;font-size:22px;line-height:1}.nav-links{gap:2px;margin-right:auto;display:flex}.nav-links a{color:#666;border-radius:999px;padding:8px 12px;font-size:14px;font-weight:500;text-decoration:none}.nav-links a:hover,.nav-links a.active{color:#0a0a0a;background:#f5f5f5}.nav-actions{align-items:center;gap:12px;display:flex}.nav-status{color:#666;align-items:center;gap:8px;font-size:13px;font-weight:500;display:inline-flex}.live-dot{background:var(--accent);border-radius:50%;width:7px;height:7px;animation:2s ease-out infinite pulse}@keyframes 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14px;font-size:17px;line-height:1.55}.product-hint{color:#888;max-width:38ch;margin:0;font-size:14px}.wa-right{flex-direction:column;justify-self:end;align-items:flex-start;width:100%;max-width:360px;display:flex}.pair-step-badge{color:var(--accent);letter-spacing:.04em;text-transform:uppercase;background:#eff6ff;border-radius:999px;align-items:center;margin-bottom:10px;padding:6px 12px;font-size:12px;font-weight:700;display:inline-flex}.wa-right h2{letter-spacing:-.02em;color:#0a0a0a;margin:0 0 16px;font-family:Outfit,sans-serif;font-size:20px;font-weight:700}.qr-frame.qr-confirm{outline:2px solid var(--accent);outline-offset:6px;border-radius:8px}.qr-caption{color:#666;text-align:center;margin:0;font-size:12px;font-weight:600}.pair-error{color:var(--destructive);text-align:center;max-width:280px;margin:12px 0 0;font-size:13px}.steps{flex-direction:column;gap:12px;width:100%;margin:0 0 24px;padding:0;list-style:none;display:flex}.steps li{color:#333;align-items:flex-start;gap:12px;font-size:14px;font-weight:500;line-height:1.4;display:flex}.step-num{background:var(--accent);color:#fff;border-radius:50%;flex-shrink:0;place-items:center;width:24px;height:24px;font-family:Outfit,sans-serif;font-size:12px;font-weight:700;display:grid}.qr-block{flex-direction:column;align-items:center;width:100%;margin-bottom:20px;display:flex}.qr-frame{background:#fff;place-items:center;width:220px;height:220px;margin-bottom:14px;display:grid}.qr-skeleton{background:linear-gradient(90deg,#f3f3f3,#fafafa,#f3f3f3) 0 0/200% 100%;border-radius:8px;width:180px;height:180px;animation:1.2s linear infinite shimmer}@keyframes shimmer{to{background-position:-200% 0}}.code-row{flex-direction:column;align-items:center;gap:4px;display:flex}.code-row span{letter-spacing:.06em;text-transform:uppercase;color:#888;font-size:11px;font-weight:600}.code-digits{letter-spacing:.28em;color:var(--accent);padding-left:.28em;font-family:Outfit,sans-serif;font-size:28px;font-weight:750}.download-btn{background:var(--accent);color:#fff;border-radius:999px;justify-content:center;align-items:center;width:100%;padding:12px 18px;font-family:Outfit,sans-serif;font-size:14px;font-weight:650;text-decoration:none;transition:background .15s;display:inline-flex}.download-btn:hover{background:#1d4ed8}.linkish{color:var(--accent);cursor:pointer;background:0 0;border:none;align-self:center;margin-top:12px;font-size:13px;font-weight:650}.animate-rise{animation:.7s cubic-bezier(.22,1,.36,1) both riseIn}.delay-1{animation-delay:80ms}@keyframes riseIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.info-main{flex:1;place-items:start center;padding:48px 28px;display:grid}.info-plain{width:min(640px,100%)}.info-plain h1{letter-spacing:-.04em;margin:0 0 16px;font-family:Outfit,sans-serif;font-size:40px}.info-plain p{color:#555;font-size:16px;line-height:1.6}@media (width<=900px){.wa-split{grid-template-columns:1fr;gap:40px}.wa-right{justify-self:start;max-width:100%}.site-nav{flex-wrap:wrap;gap:10px}.nav-links{order:3;width:100%;margin:0}.nav-actions{margin-left:auto}}.board-page{background:#fff;flex-direction:column;min-height:100vh;display:flex}.board-glass .folder-rail,.board-glass .compose-dock,.board-glass .card{background:#fff}.topbar{background:#fff;border-bottom:1px solid #f0f0f0;align-items:center;gap:12px;padding:12px 16px;display:flex}.brand{align-items:center;gap:10px;margin-right:auto;font-family:Outfit,sans-serif;display:flex}.glass-btn{color:var(--text);cursor:pointer;background:#fff;border:1px solid #e8e8e8;border-radius:999px;padding:8px 14px;font-size:13px;font-weight:650;text-decoration:none}.glass-btn.compact{padding:8px 14px;font-size:13px}.glass-btn:hover{background:#f5f5f5}.banner{background:var(--accent-soft);color:var(--text);padding:10px 16px;font-size:13px}.board-layout{flex:1;grid-template-columns:220px 1fr;min-height:0;display:grid}@media (width<=860px){.board-layout{grid-template-columns:1fr}}.folder-rail{background:#fff;border-right:1px solid #f0f0f0;padding:18px}.folder-rail h3{margin:0;font-family:Outfit,sans-serif}.rail-head{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.ghost{color:var(--accent);cursor:pointer;background:0 0;border:none;font-weight:650}.ghost.danger{color:var(--destructive)}.folder-row{align-items:center;gap:4px;margin-bottom:4px;display:flex}.folder-open,.folder-row.back{text-align:left;cursor:pointer;background:0 0;border:none;border-radius:8px;flex:1;padding:8px}.folder-open:hover,.folder-row.back:hover{background:#f5f5f5}.muted{color:var(--muted)}.tiny{font-size:12px}.drop-zone{flex-direction:column;min-height:0;display:flex;position:relative}.drop-zone.over{outline:2px dashed var(--accent);outline-offset:-8px}.drop-overlay{border-radius:var(--radius);background:var(--accent-soft);color:var(--accent);pointer-events:none;z-index:2;place-items:center;font-weight:700;display:grid;position:absolute;inset:12px}.board-main{flex:1;padding:16px;overflow:auto}.empty-board{text-align:center;max-width:420px;margin:64px auto}.empty-icon{background:var(--accent-soft);width:56px;height:56px;color:var(--accent);border-radius:16px;place-items:center;margin:0 auto 12px;font-size:24px;display:grid}.item-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;display:grid}.card{border-radius:var(--radius);text-align:left;background:#fff;border:1px solid #eee;flex-direction:column;gap:8px;min-height:160px;padding:12px;display:flex}.folder-card{cursor:pointer}.card.note{background:var(--note)}.card-icon{font-size:28px}.card-top{justify-content:space-between;gap:8px;display:flex}.type-badge,.source-badge{text-transform:uppercase;background:var(--accent-soft);color:var(--accent);border-radius:6px;padding:2px 6px;font-size:10px;font-weight:700}.thumb{object-fit:cover;background:#f5f5f5;border-radius:8px;width:100%;height:100px}.note-body{white-space:pre-wrap;flex:1;margin:0;font-size:13px}.file-name{flex:1}.progress{background:#eee;border-radius:999px;height:4px;overflow:hidden}.progress>div{background:var(--accent);height:100%}.download{font-size:12px;font-weight:650}.compose-dock{background:#fff;border-top:1px solid #f0f0f0;justify-content:center;gap:8px;padding:12px;display:flex}.compose-dock.disabled{opacity:.55}.dock-btn{cursor:pointer;color:var(--muted);background:0 0;border:none;flex-direction:column;align-items:center;gap:4px;min-width:64px;font-size:12px;font-weight:650;display:flex}.dock-icon{background:var(--accent-soft);border-radius:12px;width:44px;height:44px}.dock-btn:disabled{cursor:not-allowed}.pair-panel{border-right:1px solid var(--border,#e5e5e5);flex-direction:column;gap:12px;width:min(320px,100%);padding:16px;display:flex}.pair-panel h2{margin:0;font-size:18px}.helper-pill{background:#f4f4f5;border-radius:10px;padding:8px 10px;font-size:13px;font-weight:650}.helper-pill.on{background:var(--accent-soft,#e8f5e9);color:var(--accent,#1b5e20)}.helper-pill.off{color:var(--muted,#666)}.helper-join{flex-direction:column;gap:8px;display:flex}.helper-join label{color:var(--muted,#666);flex-direction:column;gap:4px;font-size:12px;font-weight:650;display:flex}.helper-join input{border:1px solid var(--border,#ddd);border-radius:8px;padding:8px 10px;font-size:14px}.helper-status{margin:0;font-size:13px;font-weight:650}.helper-error{color:#b91c1c;margin:0;font-size:13px}.qr-wrap{border:1px solid var(--border,#e5e5e5);background:#fff;border-radius:12px;place-items:center;padding:12px;display:grid}.qr-placeholder{width:180px;height:180px;color:var(--muted,#888);place-items:center;display:grid}.code-block{flex-direction:column;gap:4px;display:flex}.code-block strong{letter-spacing:.08em;font-size:22px}