:root{
  --bg-1:#fff3b8;
  --bg-2:#c8f1ff;
  --bg-3:#ffd6ec;
  --card:#fffefb;
  --text:#172033;
  --muted:#5f6b7f;
  --line:rgba(23,32,51,.10);
  --accent:#ff7a18;
  --accent-2:#7c3aed;
  --accent-3:#00a6a6;
  --success:#1d8348;
  --shadow:0 28px 70px rgba(66,46,116,.18);
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:"Trebuchet MS","Avenir Next","Segoe UI",sans-serif;
  color:var(--text);
  min-height:100vh;
  background:
    radial-gradient(circle at top left, rgba(255,122,24,.26), transparent 30%),
    radial-gradient(circle at top right, rgba(124,58,237,.18), transparent 28%),
    radial-gradient(circle at bottom center, rgba(0,166,166,.18), transparent 32%),
    linear-gradient(140deg,var(--bg-1),var(--bg-2) 54%,var(--bg-3));
}
.wrap{max-width:1120px;margin:0 auto;padding:28px 18px 40px}
.shell{
  background:rgba(255,253,249,.86);
  backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.6);
  border-radius:28px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.hero{padding:26px 24px 10px;background:linear-gradient(135deg,rgba(255,255,255,.7),rgba(255,255,255,.18))}
.language-switcher{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  margin-bottom:18px
}
.language-select{
  min-width:92px;
  width:auto;
  padding:10px 40px 10px 14px;
  border-radius:999px;
  border:1px solid rgba(23,32,51,.1);
  background:
    linear-gradient(135deg,rgba(255,255,255,.94),rgba(247,242,255,.82));
  color:var(--text);
  font-size:.84rem;
  font-weight:700;
  letter-spacing:.06em;
  box-shadow:0 10px 20px rgba(23,32,51,.06)
}
.language-select:focus{
  outline:2px solid rgba(124,58,237,.22);
  outline-offset:2px
}
.hero h1{margin:0 0 6px;font-size:clamp(2rem,5vw,3.4rem);letter-spacing:.02em}
.hero p{margin:0;color:var(--muted);font-size:1.02rem}
.flag-ribbon{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:16px}
.flag-ribbon img{
  width:42px;height:30px;object-fit:cover;border-radius:8px;
  border:2px solid rgba(255,255,255,.78);box-shadow:0 8px 20px rgba(124,58,237,.12);
  transform:rotate(-3deg)
}
.flag-ribbon img:nth-child(even){transform:rotate(3deg)}
.content{padding:24px}
.site-footer{
  display:flex;
  justify-content:center;
  gap:16px;
  padding:0 24px 24px;
  flex-wrap:wrap
}
.footer-link{
  padding:0;
  border:0;
  background:none;
  color:var(--muted);
  text-decoration:underline;
  text-underline-offset:3px;
  border-radius:0
}
.footer-link:hover{color:var(--text);transform:none}
.view.hidden,.hidden{display:none!important}
.grid{display:grid;gap:18px}
.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:22px;
  padding:20px;
}
.card.soft{background:linear-gradient(135deg,rgba(255,255,255,.74),rgba(255,255,255,.48))}
.headline{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;flex-wrap:wrap}
.headline h2,.headline h3{margin:0}
.welcome-meta{margin:10px 0 0;color:var(--text);font-size:.96rem;font-weight:700}
.muted{color:var(--muted)}
.help{font-size:.94rem;color:var(--muted)}
.error{color:#b91c1c}
.success{color:var(--success)}
.pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
  background:linear-gradient(135deg,rgba(124,58,237,.12),rgba(0,166,166,.12));color:#384152;font-size:.92rem
}
.status-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.stat{
  background:linear-gradient(135deg,rgba(255,255,255,.82),rgba(255,255,255,.58));border:1px solid var(--line);border-radius:18px;padding:11px 12px
}
.stat strong{display:block;font-size:1.1rem;margin-top:4px}
.stat span{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.actions,.row{display:flex;gap:12px;flex-wrap:wrap}
.center-actions{justify-content:center;margin-top:18px}
button,input{font:inherit}
button{
  border:0;border-radius:16px;padding:14px 18px;cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,opacity .16s ease
}
button:hover{transform:translateY(-1px)}
button:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn-primary{background:linear-gradient(135deg,#ff7a18,#ff477e);color:#fff;box-shadow:0 12px 26px rgba(255,71,126,.26)}
.btn-secondary{background:#f1f5f9;color:var(--text)}
.btn-leaderboard{
  background:linear-gradient(135deg,#ffd54a,#ff7a18 45%,#ff477e);
  color:#fff;
  font-weight:700;
  box-shadow:0 16px 34px rgba(255,122,24,.34);
  position:relative;
}
.btn-leaderboard::before{
  content:"";
  position:absolute;
  inset:1px;
  border-radius:15px;
  border:1px solid rgba(255,255,255,.35);
}
.btn-leaderboard:hover{
  box-shadow:0 20px 40px rgba(255,71,126,.36);
}
.btn-teal{background:linear-gradient(135deg,#00a6a6,#7c3aed);color:#fff;box-shadow:0 12px 26px rgba(124,58,237,.2)}
.btn-danger{background:#fee2e2;color:#991b1b}
.block-btn{width:100%;text-align:left}
input{
  width:100%;border:1px solid #d8dee7;border-radius:16px;padding:14px 16px;background:#fff
}
.room-code{font-size:clamp(2rem,8vw,3.6rem);font-weight:700;letter-spacing:.22em}
.player-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:2px}
.player-card{
  border:1px solid var(--line);border-radius:22px;padding:18px;
  background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(247,242,255,.72))
}
.player-card.active{border-color:rgba(255,122,24,.35);box-shadow:0 14px 28px rgba(255,71,126,.14)}
.player-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:12px}
.metric-chip{
  padding:8px 10px;border-radius:14px;background:rgba(255,255,255,.72);
  border:1px solid rgba(23,32,51,.08);font-size:.8rem
}
.metric-chip strong{display:block;font-size:.92rem;margin-top:2px}
.flag-mini{width:28px;height:20px;object-fit:cover;border-radius:4px;border:1px solid rgba(0,0,0,.08)}
.flagbox{display:flex;justify-content:center;margin:20px 0}
.flag{width:min(560px,100%);border-radius:22px;border:1px solid var(--line);background:#fff}
.answers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.choice{
  width:100%;text-align:left;background:linear-gradient(135deg,#fff,#fff7fb);border:1px solid var(--line);border-radius:18px;padding:16px
}
.choice.correct{background:#ecfdf5;border-color:#86efac}
.choice.wrong{background:#fff1f2;border-color:#fda4af}
.result-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.duel-vs{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center}
.vs{font-size:1.8rem;font-weight:700;color:var(--accent)}
.mode-switch{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.mode-option{
  background:linear-gradient(135deg,rgba(255,255,255,.92),rgba(247,242,255,.78));
  border:1px solid rgba(124,58,237,.12);
  color:var(--text);
  text-align:center;
  font-weight:700;
}
.mode-option.active{
  background:linear-gradient(135deg,#7c3aed,#ff477e);
  color:#fff;
  box-shadow:0 14px 28px rgba(124,58,237,.2);
}
table{width:100%;border-collapse:collapse}
th,td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left}
th{font-size:.86rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.rank-badge{
  display:inline-flex;min-width:38px;justify-content:center;align-items:center;padding:6px 8px;
  border-radius:999px;background:#fff7ed;color:#9a3412;font-weight:700
}
.rank-badge.medal{
  gap:6px;
  min-width:62px;
  padding:6px 10px;
}
.medal-icon{
  font-size:1rem;
  line-height:1;
}
.rank-badge.gold{
  background:linear-gradient(135deg,#fde68a,#f59e0b);
  color:#5b3b00;
}
.rank-badge.silver{
  background:linear-gradient(135deg,#f3f4f6,#9ca3af);
  color:#334155;
}
.rank-badge.bronze{
  background:linear-gradient(135deg,#f59e0b,#92400e);
  color:#fff7ed;
}
.focus-row{background:rgba(217,119,6,.08)}
.center{text-align:center}
.top-gap{margin-top:18px}
.legal-dialog{
  width:min(680px,calc(100vw - 24px));
  border:0;
  padding:0;
  border-radius:24px;
  background:transparent
}
.legal-dialog::backdrop{background:rgba(23,32,51,.45);backdrop-filter:blur(6px)}
.legal-dialog-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:24px;
  padding:22px;
  padding-right:96px;
  box-shadow:var(--shadow)
}
.legal-copy p{margin:0 0 12px;line-height:1.55}
.legal-copy p:last-child{margin-bottom:0}
.legal-close{
  position:absolute;
  top:22px;
  right:22px;
  white-space:nowrap
}
@media (max-width:900px){
  .grid.three,.result-layout,.player-strip,.status-row,.duel-vs,.answers{grid-template-columns:1fr}
  .content,.hero{padding:18px}
  .site-footer{padding:0 18px 18px;gap:12px}
  .language-switcher{justify-content:flex-end;margin-bottom:14px}
  .card{padding:16px}
  .status-row{gap:8px;margin-bottom:4px}
  .stat{padding:9px 10px;border-radius:14px}
  .stat strong{font-size:1rem}
  .flagbox{margin:12px 0}
  .flag{border-radius:16px}
  .player-strip{gap:8px}
  .player-strip .player-card{padding:10px 12px;border-radius:14px}
  .player-strip .player-card h3{font-size:.92rem}
  .player-strip .player-card p{font-size:.76rem;margin:4px 0 0}
  .player-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin-top:8px}
  .metric-chip{padding:7px 8px;font-size:.72rem;border-radius:12px}
  .metric-chip strong{font-size:.82rem}
  .headline h2{font-size:1.2rem}
  .headline h3{font-size:1rem}
  .flag-ribbon img{width:34px;height:24px;border-radius:6px}
  .legal-dialog-card{padding:18px;padding-right:86px}
  .legal-close{top:18px;right:18px}
}