:root{--background:#f7f8fb;--foreground:#111827;--muted:#667085;--line:#dfe3ea;--panel:#fff;--panel-soft:#f1f5f9;--primary:#155eef;--primary-dark:#0f3ea8;--success:#11845b;--warning:#b54708;--danger:#b42318;--radius:8px;--shadow:0 20px 60px #0f172a14}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:var(--background);color:var(--foreground);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans Thai,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}.page-shell{width:min(1180px,100% - 32px);margin:0 auto;padding:32px 0 56px}.topbar{justify-content:space-between;align-items:center;gap:16px;margin-bottom:28px;display:flex}.brand-lockup{align-items:center;gap:12px;display:flex}.brand-mark{color:#fff;background:#111827;border-radius:10px;place-items:center;width:40px;height:40px;font-weight:800;display:grid}.eyebrow{color:var(--muted);margin:0 0 2px;font-size:13px;line-height:1.4}.topbar h1,.page-title{letter-spacing:0;margin:0;font-size:clamp(28px,4vw,44px);line-height:1.05}.page-title{max-width:780px}.page-lead{max-width:720px;color:var(--muted);margin:12px 0 0;font-size:17px;line-height:1.7}.panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow)}.panel-pad{padding:22px}.grid{gap:18px;display:grid}.grid-two{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}.grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}.stat-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:18px}.stat-label{color:var(--muted);margin:0;font-size:13px}.stat-value{margin:8px 0 0;font-size:32px;font-weight:800;line-height:1}.section-title{margin:0 0 14px;font-size:20px;line-height:1.25}.form-stack{gap:14px;display:grid}.field{gap:7px;display:grid}.field span{color:#344054;font-size:14px;font-weight:650}.input,.textarea{width:100%;color:var(--foreground);background:#fff;border:1px solid #cbd5e1;border-radius:8px;outline:none;padding:12px 13px;transition:border-color .16s,box-shadow .16s}.textarea{resize:vertical;min-height:88px}.input:focus,.textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px #155eef24}.button-row{flex-wrap:wrap;gap:10px;display:flex}.btn{border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:42px;padding:0 14px;font-size:14px;font-weight:750;line-height:1;transition:background-color .16s,border-color .16s,color .16s,transform .16s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{border-color:var(--line);color:#1f2937;background:#fff}.btn-secondary:hover{background:#f8fafc}.btn-dark{color:#fff;background:#111827}.btn-ghost{color:#344054;background:0 0}.btn:disabled,.btn[aria-disabled=true]{color:#98a2b3;background:#e5e7eb;border-color:#d0d5dd;transform:none}.room-list{gap:12px;display:grid}.room-row{border:1px solid var(--line);border-radius:var(--radius);background:#fff;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:16px;padding:16px;display:grid}.room-title{flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 6px;font-size:17px;line-height:1.3;display:flex}.room-meta{color:var(--muted);margin:0;font-size:13px;line-height:1.55}.badge{border-radius:999px;align-items:center;min-height:24px;padding:0 9px;font-size:12px;font-weight:750;display:inline-flex}.badge-open{color:#05603a;background:#dcfae6}.badge-draft{color:#475467;background:#f2f4f7}.badge-closed{color:#7a2e0e;background:#fff2cc}.badge-archived{color:#912018;background:#fee4e2}.muted{color:var(--muted)}.empty-state{border-radius:var(--radius);min-height:220px;color:var(--muted);text-align:center;border:1px dashed #cbd5e1;place-items:center;display:grid}.join-shell{background:#f7f8fb;place-items:center;min-height:100vh;padding:20px;display:grid}.join-card{border:1px solid var(--line);width:min(100%,460px);box-shadow:var(--shadow);background:#fff;border-radius:14px;padding:22px}.join-card h1{margin:8px 0 10px;font-size:28px;line-height:1.15}.answer-count{color:var(--muted);justify-content:space-between;font-size:13px;display:flex}.join-state{min-height:160px;color:var(--muted);place-items:center;display:grid}.join-alert{align-items:flex-start;gap:10px;margin-top:14px;display:flex}.join-note{color:var(--muted);margin:16px 0 0;font-size:12px;line-height:1.6}.check-row{color:#344054;align-items:flex-start;gap:10px;font-size:14px;line-height:1.55;display:flex}.check-row input{width:18px;height:18px;margin-top:2px}.submit-wide{width:100%}.success-box{border-radius:var(--radius);color:#05603a;background:#ecfdf3;border:1px solid #abefc6;padding:16px}.error-box{border-radius:var(--radius);color:#b42318;background:#fef3f2;border:1px solid #fecdca;padding:12px;font-size:14px}.qr-wrap{border:1px solid var(--line);border-radius:var(--radius);background:#f8fafc;justify-items:center;gap:12px;padding:18px;display:grid}.qr-wrap img{background:#fff;border-radius:8px;width:min(100%,260px);height:auto}.copy-url{overflow-wrap:anywhere;color:#344054;text-align:center;background:#fff;border-radius:8px;width:100%;padding:10px;font-size:13px}.live-page{color:#fff;background:#020617;min-height:100vh;overflow:hidden}.live-stage{position:fixed;inset:0}.word-cloud-canvas{width:100%;height:100%;display:block}.live-controls{z-index:2;gap:10px;display:flex;position:fixed;top:18px;right:18px}.live-status{z-index:2;color:#ffffffad;font-size:13px;position:fixed;bottom:18px;left:18px}.live-placeholder{color:#ffffffb8;place-items:center;font-size:20px;font-weight:750;display:grid;position:fixed;inset:0}.dark-btn{color:#fff;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0f172ac7;border-color:#ffffff2e}.dark-btn:hover{background:#1e293beb}.metric-card{gap:8px;display:grid}.monitor-list{justify-content:space-between;align-items:center;gap:14px;display:flex}.compact-list{color:var(--muted);margin:0;padding-left:20px;line-height:1.8}@media (max-width:820px){.page-shell{width:min(100% - 24px,720px);padding-top:20px}.topbar,.room-row{flex-direction:column;grid-template-columns:1fr;align-items:stretch}.grid-two,.grid-three{grid-template-columns:1fr}.button-row{width:100%}.btn{flex:auto}.join-card{padding:18px}.live-controls{top:12px;right:12px}}