:root{--ink:#111827;--muted:#64748b;--line:#e2e8f0;--panel:#fff;--soft:#f8fafc;--accent:#f97316;--accent2:#0f172a;--ok:#047857;--bad:#b91c1c;--warn:#a16207;--radius:18px;--shadow:0 12px 34px rgba(15,23,42,.08)}*{box-sizing:border-box}html{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#f4f6f8}body{margin:0;min-height:100vh}a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:13px clamp(16px,4vw,52px);background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.05em}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--accent2);color:#fff;font-size:18px}.nav{display:flex;align-items:center;gap:18px;font-size:14px}.nav a:hover{color:var(--accent)}.workspace-pill{padding:7px 10px;border:1px solid var(--line);border-radius:999px;color:var(--muted);max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lang{font-weight:800}.page-shell{max-width:1240px;margin:0 auto;padding:30px clamp(16px,4vw,40px) 60px}.footer{display:flex;justify-content:space-between;gap:20px;padding:24px clamp(16px,4vw,52px);color:var(--muted);font-size:13px;border-top:1px solid var(--line);background:#fff}.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;padding:52px 0}.hero h1{font-size:clamp(42px,7vw,82px);line-height:.98;margin:0 0 20px;letter-spacing:-.05em}.hero p{font-size:20px;line-height:1.6;color:var(--muted);max-width:760px}.hero-card{background:var(--panel);border:1px solid var(--line);border-radius:26px;padding:26px;box-shadow:var(--shadow)}.section-title{display:flex;justify-content:space-between;align-items:end;gap:18px;margin:12px 0 20px}.section-title h1,.section-title h2{margin:0}.section-title p{margin:5px 0 0;color:var(--muted)}.grid{display:grid;gap:18px}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 4px 16px rgba(15,23,42,.035)}.card h3{margin:0 0 8px}.muted{color:var(--muted)}.metric{font-size:34px;font-weight:900;letter-spacing:-.04em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 16px;font-weight:800;cursor:pointer;background:var(--accent2);color:#fff;min-height:44px}.btn:hover{filter:brightness(1.08)}.btn.primary{background:var(--accent)}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.danger{background:#fee2e2;color:#991b1b}.btn.small{padding:8px 11px;min-height:36px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.actions{display:flex;flex-wrap:wrap;gap:10px}.form-card{max-width:620px;margin:30px auto}.field{margin-bottom:16px}.field label{display:block;font-weight:750;margin-bottom:7px}.field small{display:block;color:var(--muted);margin-top:6px}.input,.select,.textarea{width:100%;border:1px solid #cbd5e1;border-radius:12px;background:#fff;color:var(--ink);font:inherit;padding:12px 13px;min-height:46px}.textarea{min-height:120px;resize:vertical}.input:focus,.select:focus,.textarea:focus{outline:3px solid rgba(249,115,22,.15);border-color:var(--accent)}.flash{padding:13px 16px;border-radius:12px;margin-bottom:18px;border:1px solid}.flash.success{background:#ecfdf5;color:#065f46;border-color:#a7f3d0}.flash.error{background:#fef2f2;color:#991b1b;border-color:#fecaca}.flash.info{background:#eff6ff;color:#1e40af;border-color:#bfdbfe}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;background:#fff}.table{width:100%;border-collapse:collapse;min-width:720px}.table th,.table td{padding:13px 15px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.table th{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:#f8fafc}.badge{display:inline-flex;padding:5px 9px;border-radius:999px;background:#f1f5f9;font-size:12px;font-weight:800}.badge.live{background:#dcfce7;color:#166534}.badge.waiting{background:#ffedd5;color:#9a3412}.badge.ended{background:#e2e8f0;color:#475569}.studio{display:grid;grid-template-columns:240px minmax(0,1fr) 310px;gap:16px;align-items:start}.studio-sidebar,.studio-settings,.studio-canvas{background:#fff;border:1px solid var(--line);border-radius:18px;min-width:0}.studio-sidebar,.studio-settings{padding:14px;position:sticky;top:80px}.studio-canvas{padding:24px;min-height:580px}.slide-item{display:block;padding:11px;border:1px solid var(--line);border-radius:12px;margin-bottom:9px;background:#fff}.slide-item.active{border-color:var(--accent);box-shadow:0 0 0 2px rgba(249,115,22,.1)}.slide-item .num{font-size:11px;color:var(--muted);font-weight:800}.slide-item strong{display:block;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.slide-preview{min-height:360px;border-radius:20px;background:#0f172a;color:#fff;padding:44px;display:flex;flex-direction:column;justify-content:center}.slide-preview h2{font-size:clamp(28px,4vw,52px);margin:0 0 14px}.slide-preview p{color:#cbd5e1;font-size:18px}.option-preview{padding:12px 14px;border:1px solid rgba(255,255,255,.2);border-radius:12px;margin:8px 0}.join-code{font-size:clamp(38px,8vw,72px);font-weight:950;letter-spacing:.08em}.live-shell{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px}.stage{background:#0f172a;color:#fff;border-radius:24px;padding:32px;min-height:540px;display:flex;flex-direction:column;justify-content:center}.stage h1{font-size:clamp(34px,5vw,64px);margin:0 0 18px;letter-spacing:-.04em}.stage p{color:#cbd5e1;font-size:20px}.live-panel{display:grid;gap:14px}.bar-row{margin:12px 0}.bar-label{display:flex;justify-content:space-between;gap:12px;font-size:14px;margin-bottom:5px}.bar{height:12px;border-radius:999px;background:#e2e8f0;overflow:hidden}.bar>span{display:block;height:100%;background:var(--accent);border-radius:inherit}.participant-page{max-width:650px;margin:0 auto}.participant-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow)}.choice{display:flex;align-items:flex-start;gap:10px;width:100%;padding:14px;border:1px solid var(--line);border-radius:13px;background:#fff;margin:9px 0;text-align:left;cursor:pointer}.choice:hover,.choice.selected{border-color:var(--accent);background:#fff7ed}.waiting{text-align:center;padding:60px 20px}.word-cloud{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:center;padding:20px}.word-cloud span{padding:4px 8px;font-weight:800}.qna-item{padding:14px;border:1px solid var(--line);border-radius:14px;margin:10px 0}.qna-meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px;margin-top:8px}.split{display:flex;justify-content:space-between;gap:16px;align-items:center}.empty{padding:34px;text-align:center;color:var(--muted);border:1px dashed #cbd5e1;border-radius:16px}.code-box{text-align:center;padding:24px;border:1px dashed #cbd5e1;border-radius:18px;background:#fff}.kicker{text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:900;color:var(--accent)}.rank-list{counter-reset:rank}.rank-item{display:flex;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid var(--line)}.rank-item:before{counter-increment:rank;content:counter(rank);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#f1f5f9;font-weight:900}.note{padding:12px 14px;background:#fff7ed;color:#9a3412;border:1px solid #fed7aa;border-radius:12px;font-size:14px}.danger-zone{border-color:#fecaca;background:#fff7f7}.auth-brand{text-align:center;margin-bottom:18px}.auth-brand .brand-mark{margin:0 auto 10px}.mobile-only{display:none}@media(max-width:980px){.studio{grid-template-columns:1fr}.studio-sidebar,.studio-settings{position:static}.live-shell{grid-template-columns:1fr}.hero{grid-template-columns:1fr}.grid.cols-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){.nav a:not(.btn):not(.lang),.workspace-pill{display:none}.page-shell{padding-top:20px}.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}.hero{padding:28px 0}.hero h1{font-size:48px}.footer{flex-direction:column}.stage{min-height:420px;padding:22px}.studio-canvas{padding:14px}.mobile-only{display:block}}@media print{.topbar,.footer,.no-print{display:none!important}.page-shell{max-width:none;padding:0}.card{box-shadow:none}}
