*{box-sizing:border-box}
:root{
  --bg:#f5f5f0;
  --ink:#111;
  --muted:#6a6a64;
  --card:#fff;
  --line:#d8d8d0;
  --radius:24px;
}
html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}
body{min-height:100vh}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.app-shell{width:min(720px,100%);margin:0 auto;padding:28px 18px 48px}
.screen{display:none;min-height:90vh;align-content:center}
.screen.active{display:grid;gap:22px}
.screen.center{text-align:center;justify-items:center}
.brand-block{display:grid;gap:10px;justify-items:start}
.roland-logo{display:block;width:min(190px,46vw);height:auto;object-fit:contain}
.hero-mark{font-size:92px;font-weight:1000;letter-spacing:-8px;line-height:.8}
.eyebrow{font-size:13px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
h1{font-size:clamp(36px,8vw,68px);line-height:.95;margin:0;letter-spacing:-.04em}
h2{margin:0;font-size:28px}
.lead{font-size:20px;line-height:1.45;color:var(--muted);margin:0}
.status{color:var(--muted);font-size:13px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 35px rgba(0,0,0,.06)}
.form-card,.control-card{padding:22px;display:grid;gap:18px}
label{display:grid;gap:8px;font-weight:750}
input,textarea,select{width:100%;border:1.5px solid var(--line);border-radius:16px;padding:16px 18px;background:#fafaf7;outline:none}
input:focus,textarea:focus,select:focus{border-color:#111}
textarea{min-height:130px;resize:vertical}
.primary,.secondary{border:0;border-radius:999px;padding:15px 22px;font-weight:900;letter-spacing:.03em}
.primary{background:#111;color:#fff}
.secondary{background:#e8e8e1;color:#111}
.secondary.active{background:#111;color:#fff}
.hero-button,.launch{font-size:18px}
.tiny-link{color:var(--muted);text-align:center;font-size:13px}
.combo-code{font-size:clamp(74px,18vw,150px);font-weight:1000;line-height:.9;letter-spacing:-.07em}
.combo-code.small{font-size:68px}
.combo-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:stretch}
.combo-card{background:#111;color:#fff;border-radius:28px;padding:22px;min-height:220px;display:flex;flex-direction:column;justify-content:space-between}
.letter{font-size:78px;font-weight:1000;line-height:.8}
.combo-title{font-size:24px;font-weight:900;line-height:1}
.combo-label{font-size:11px;letter-spacing:.16em;opacity:.65}
.multiply{display:grid;place-items:center;font-size:40px;font-weight:900}
.mini-combo{font-size:22px;font-weight:900}
.timer{font-size:64px;font-weight:1000;letter-spacing:-.06em}
.rocket{font-size:74px}

/* attesa: stesso trattamento nero della combo-card, non un cerchio piatto isolato */
.pulse-orb{width:90px;height:90px;border-radius:50%;background:#111;box-shadow:0 12px 35px rgba(0,0,0,.18);animation:pulse 1.6s infinite ease-in-out}
@keyframes pulse{0%,100%{transform:scale(.82);opacity:.5}50%{transform:scale(1);opacity:1}}

/* vincolo chaos inline: stesso trattamento della chaos-card del prototipo locale */
.chaos-inline{background:#111;color:#fff;border-radius:var(--radius);padding:18px 20px;font-weight:900;font-size:19px;line-height:1.25;box-shadow:0 12px 35px rgba(0,0,0,.12)}

/* voto: stessa card delle idee sul wall */
.vote-list{display:grid;gap:14px}
.vote-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:18px;display:grid;gap:8px;text-align:left}
.vote-card h3{margin:0;font-size:24px;letter-spacing:-.03em}
.vote-card button{justify-self:start;margin-top:4px}

.dashboard-body{padding-bottom:90px}
.dash-header{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:end;padding:22px 30px;background:rgba(245,245,240,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.dash-logo{font-size:52px;letter-spacing:-5px}
.dash-roland{width:125px;margin-top:6px}
.stats{display:flex;gap:22px;font-size:18px}
.stats b{font-size:28px}
.dashboard{padding:28px 30px;display:grid;gap:30px}

/* lobby QR: card coerente invece del riquadro bianco nudo */
.lobby-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 35px rgba(0,0,0,.06);padding:34px;display:flex;justify-content:space-between;gap:30px;align-items:center}
.join-url{font-size:18px;color:var(--muted);word-break:break-all}
.session-pill{display:inline-block;margin-top:14px;border:1px solid var(--line);border-radius:999px;padding:10px 16px;font-weight:800}
.qr{width:min(220px,25vw);aspect-ratio:1;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px}

.featured{background:#111;color:#fff;border-radius:32px;padding:34px;min-height:260px;display:grid;align-content:center;gap:12px}
.featured h1{font-size:clamp(42px,6vw,84px)}
.featured p{margin:0;font-size:24px;color:#d4d4ce}
.author{font-weight:850}
.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.view-switch{display:flex;gap:8px}
.idea-wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.idea-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;min-height:180px;display:grid;align-content:start;gap:8px}
.idea-card h3{font-size:24px;margin:0;letter-spacing:-.03em}
.idea-card .combo{font-weight:900}
.idea-card p{margin:0;color:var(--muted);line-height:1.35}
.idea-card .author{margin-top:8px}
.matrix-wrap{overflow:auto}
.matrix-note{color:var(--muted);margin-bottom:12px}
.matrix{display:grid;gap:4px;min-width:980px;align-items:center}
.matrix-cell,.matrix-head,.matrix-label{min-height:42px;border-radius:10px;display:grid;place-items:center;text-align:center;font-size:11px;padding:4px}
.matrix-head,.matrix-label{font-weight:900}
.matrix-cell{background:#ecece6;border:1px solid #e1e1da}
.matrix-cell.active{background:#111;color:#fff;font-size:18px}

/* classifica: rank come il chip nero "letter" della reveal screen */
.leaderboard{display:grid;gap:14px}
.leader-row{display:grid;grid-template-columns:60px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px}
.leader-rank{width:52px;height:52px;border-radius:50%;background:#111;color:#fff;display:grid;place-items:center;font-size:22px;font-weight:1000}
.leader-row h2{font-size:22px}
.leader-score{font-size:30px;font-weight:1000}

.hidden{display:none!important}
.danger{color:#8a1111}

/* regia */
.control-body{padding:28px}
.control-shell{width:min(900px,100%);margin:0 auto;display:grid;gap:20px}
.phase-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.control-stats{flex-wrap:wrap}
.danger-zone{border-color:#e4bcbc}

@media (max-width:640px){
  .combo-grid{grid-template-columns:1fr}
  .multiply{height:30px}
  .combo-card{min-height:170px}
  .dash-header{padding:16px;align-items:center}
  .dashboard{padding:18px}
  .stats{gap:10px;font-size:12px}
  .stats b{font-size:18px}
  .lobby-panel{display:grid}
  .qr{width:200px}
  .control-body{padding:16px}
}