:root{
  color-scheme: dark;
  --bg:#07131f;
  --bg-2:#0b1b2b;
  --surface:rgba(14,30,46,.84);
  --surface-strong:#10263a;
  --surface-soft:#14324a;
  --line:rgba(140,184,214,.18);
  --line-strong:rgba(140,184,214,.34);
  --text:#f7fbff;
  --muted:#9ab2c8;
  --muted-2:#7d95aa;
  --primary:#13b0a5;
  --primary-2:#1bd9b9;
  --accent:#f3ba58;
  --danger:#f16d82;
  --danger-soft:#552734;
  --success:#58e0b0;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --radius-xl:26px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  font-family: Inter, "Segoe UI", Tahoma, Arial, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  color:var(--text);
  background:
    radial-gradient(circle at top right, rgba(19,176,165,.15), transparent 32%),
    radial-gradient(circle at top left, rgba(243,186,88,.12), transparent 28%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
}
a{color:#9fdff0;text-decoration:none}
a:hover{text-decoration:underline}
button,input,select{font:inherit}
button{
  cursor:pointer;
  border:1px solid transparent;
  font-weight:800;
  border-radius:13px;
  padding:12px 16px;
  transition:transform .16s ease, filter .16s ease, box-shadow .16s ease;
}
button:hover:not(:disabled){transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 10px 25px rgba(0,0,0,.18)}
button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(243,186,88,.55);outline-offset:2px}
button:disabled{opacity:.44;cursor:not-allowed;transform:none;box-shadow:none}
.primary{background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#04211f}
.secondary{background:rgba(255,255,255,.04);color:#eaf5ff;border-color:var(--line)}
.danger{background:linear-gradient(135deg,#f48597,var(--danger));color:#2a0710}
.full{width:100%}

.topbar{
  padding:18px clamp(14px,3vw,34px);
  display:flex;
  gap:18px;
  justify-content:space-between;
  align-items:center;
  position:sticky;
  top:0;
  z-index:30;
  backdrop-filter:blur(16px);
  background:rgba(7,19,31,.72);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.spark{
  width:52px;
  height:52px;
  flex-shrink:0;
  display:grid;
  place-items:center;
  border-radius:16px;
  font-size:24px;
  color:#06241e;
  background:linear-gradient(145deg,var(--accent),#ffdc92);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4), 0 8px 24px rgba(243,186,88,.18);
}
.brand b{
  display:block;
  font-size:22px;
  letter-spacing:0;
  line-height:1.15;
}
.brand b em{
  color:var(--accent);
  font-style:normal;
  font-weight:900;
  margin-inline-start:.25rem;
}
.brand small{
  display:block;
  color:var(--muted);
  font-size:12px;
  line-height:1.55;
  margin-top:3px;
}
.top-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.chip{
  color:#dbf7f4;
  padding:10px 14px;
  background:rgba(19,176,165,.1);
  border:1px solid rgba(27,217,185,.24);
  border-radius:999px;
  font-size:12px;
  font-weight:800;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
}

.layout{
  max-width:1680px;
  margin:auto;
  display:grid;
  grid-template-columns:minmax(0,1fr) 380px;
  gap:22px;
  padding:22px clamp(12px,2vw,24px) 30px;
}
.stage{min-width:0}

.session-tools{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  padding:14px clamp(14px,3vw,34px);
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.015);
}
.session-tools .hint{margin:0;max-width:980px}

.hero-strip{
  display:grid;
  grid-template-columns:1.5fr .8fr;
  gap:16px;
  margin-bottom:16px;
}
.hero-card,
.mini-card,
.question-card,
.bottom-stats,
.control-panel,
.auth-card,
.landing-card,
.team,
.center-stats,
.answer{
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.hero-card,
.mini-card{
  border-radius:var(--radius-xl);
  padding:18px 20px;
}
.hero-card h2{margin:0 0 8px;font-size:26px}
.hero-card p{margin:0;color:#d7e6f5;line-height:1.8}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.mini-card{
  display:grid;
  gap:10px;
  align-content:center;
}
.mini-card strong{font-size:24px;color:var(--accent)}
.mini-card span{font-size:12px;color:var(--muted);font-weight:800;letter-spacing:.06em}
.mini-card p{margin:0;color:#dbe8f7;line-height:1.7;font-size:14px}

.scoreboard{display:grid;grid-template-columns:1fr minmax(160px,220px) 1fr;gap:14px}
.team{
  min-height:126px;
  border-radius:var(--radius-xl);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:6px;
  position:relative;
  overflow:hidden;
}
.team::before{
  content:"";
  position:absolute;
  inset:auto -22% 62% auto;
  width:180px;
  height:180px;
  background:radial-gradient(circle, rgba(255,255,255,.15), transparent 58%);
  transform:rotate(18deg);
}
.team.blue{background:linear-gradient(145deg,rgba(19,176,165,.18),rgba(13,38,58,.96))}
.team.amber{background:linear-gradient(145deg,rgba(243,186,88,.18),rgba(38,30,20,.96))}
.team span{font-size:15px;font-weight:700;color:#eaf7ff;z-index:1}
.team strong{font-size:54px;line-height:1.1;font-variant-numeric:tabular-nums;z-index:1}
.team.current{border-color:rgba(88,224,176,.8);box-shadow:0 0 0 3px rgba(88,224,176,.12), var(--shadow)}
.center-stats{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:6px;
  border-radius:var(--radius-xl);
  padding:10px;
  background:linear-gradient(180deg, rgba(8,24,36,.95), rgba(14,30,46,.95));
}
.center-stats span{font-size:11px;color:var(--muted);letter-spacing:.12em;font-weight:800;text-align:center}
.center-stats strong{font-size:40px;font-variant-numeric:tabular-nums}
.center-stats strong.warning{color:var(--danger)}

.question-card{
  padding:34px 24px 22px;
  text-align:center;
  margin-top:18px;
  border-radius:var(--radius-xl);
  position:relative;
  overflow:hidden;
}
.question-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg, rgba(19,176,165,.08), rgba(243,186,88,.05));
  pointer-events:none;
}
.eyebrow{color:var(--muted);letter-spacing:.14em;font-weight:900;font-size:11px;text-transform:uppercase}
.question-card h1{font-size:clamp(24px,2.6vw,37px);margin:14px 0 8px;line-height:1.25;position:relative}
.question-card p{color:#dce8f6;font-size:18px;margin:7px 0 0;position:relative}
.question-card p:empty{display:none}

.board{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin:20px 0}
.answer{
  border-radius:18px;
  height:98px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px 18px;
  position:relative;
  overflow:hidden;
}
.answer .number{
  flex-shrink:0;
  width:42px;
  height:42px;
  border-radius:13px;
  display:grid;
  place-items:center;
  background:rgba(255,255,255,.07);
  color:#e8f5ff;
  font-size:19px;
  font-weight:900;
  border:1px solid rgba(255,255,255,.12);
}
.answer .answer-text{font-size:clamp(15px,1.55vw,23px);font-weight:900;flex:1}
.answer .points{font-size:30px;font-weight:900;color:var(--accent);font-variant-numeric:tabular-nums}
.answer.hidden{background:linear-gradient(120deg, rgba(255,255,255,.025), rgba(255,255,255,.045))}
.answer.hidden::after{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(135deg, transparent, transparent 14px, rgba(255,255,255,.04) 14px, rgba(255,255,255,.04) 28px);
  pointer-events:none;
}
.answer.hidden .answer-text{text-align:center;color:#8ea7bd;letter-spacing:.18em}
.answer.revealed{border-color:rgba(243,186,88,.44);background:linear-gradient(140deg, rgba(19,176,165,.12), rgba(255,255,255,.04));animation:flip .25s ease-out}
@keyframes flip{from{transform:scale(.985);opacity:.72}to{transform:scale(1);opacity:1}}

.bottom-stats{
  border-radius:var(--radius-xl);
  padding:18px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.bottom-stats>div:first-child{display:flex;flex-direction:column;gap:5px}
.subtle{font-size:12px;color:var(--muted)}
.bottom-stats b{font-size:22px}
.mistakes{letter-spacing:.14em;font-size:28px;color:#4b6477;min-width:90px;text-align:center}
.mistakes .active{color:var(--danger)}
.status{font-weight:900;color:var(--success);text-align:left;max-width:48%;line-height:1.6}
.bottom-notice{margin-top:11px;color:var(--muted-2);font-size:12px;text-align:center}

.control-panel{
  border-radius:var(--radius-xl);
  padding:22px;
  align-self:start;
  position:sticky;
  top:98px;
}
.panel-title{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px;gap:10px}
.panel-title h2{margin:5px 0 0;font-size:23px}
.live{font-size:11px;color:var(--success);font-weight:900;padding:7px 10px;border-radius:999px;background:rgba(88,224,176,.09);border:1px solid rgba(88,224,176,.19)}
.group{padding:17px 0;border-top:1px solid var(--line)}
.group>label:first-child{display:block;font-size:13px;font-weight:900;color:#e3eef8;margin-bottom:11px}
.group input:not([type=checkbox]),select{
  min-width:0;
  width:100%;
  background:rgba(255,255,255,.03);
  color:var(--text);
  border:1px solid rgba(255,255,255,.10);
  border-radius:12px;
  padding:12px 13px;
}
.inline{display:flex;gap:9px}
.inline button{white-space:nowrap}
.hint{color:var(--muted);font-size:12px;line-height:1.65;margin:9px 0 0}
.answer-controls{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.answer-controls button{
  text-align:left;
  font-size:12px;
  padding:10px 11px;
  background:rgba(255,255,255,.04);
  color:#f1f7ff;
  border:1px solid rgba(255,255,255,.09);
  min-height:50px;
}
.answer-controls button.revealed-button{color:var(--success);background:rgba(19,176,165,.12)}
.control-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.toggles{display:flex;flex-direction:column;gap:12px}
.toggles label{display:flex;align-items:center;gap:10px;color:#d8e5f3;font-size:13px;cursor:pointer}
.toggles input{accent-color:var(--primary)}

#toast{
  position:fixed;
  left:50%;
  bottom:20px;
  transform:translateX(-50%);
  background:rgba(19,176,165,.97);
  color:#04211f;
  border-radius:14px;
  padding:12px 18px;
  font-weight:900;
  display:none;
  text-align:center;
  max-width:88vw;
  box-shadow:0 14px 40px rgba(0,0,0,.32);
}
#toast.visible{display:block}

body.display .layout{display:block;max-width:1380px}
body.display .stage{width:100%}
body.display .answer{height:116px}
body.display .question-card{margin-top:26px;padding:44px 28px}
body.display .scoreboard{grid-template-columns:1fr 250px 1fr}
body.display .answer-text{font-size:28px}
body.display .status{text-align:right}

/* Arabic and Russian typesetting */
.question-card h1[lang="ar"]{direction:rtl;font-family:Tahoma,"Segoe UI",Arial,sans-serif;line-height:1.6}
.question-card p[lang="ru"]{direction:ltr;unicode-bidi:isolate;line-height:1.6;font-size:clamp(15px,1.65vw,21px)}
.answer .answer-text[lang="ar"]{direction:rtl;unicode-bidi:isolate;text-align:right;font-family:Tahoma,"Segoe UI",Arial,sans-serif;letter-spacing:0;line-height:1.45}
.answer.hidden .answer-text[lang="ar"]{text-align:center;letter-spacing:.12em}
.answer-controls button{direction:rtl;text-align:right;line-height:1.65;font-family:Tahoma,"Segoe UI",Arial,sans-serif;font-size:14px}
#questionSelect,#guessInput,.auth-card input{font-family:Tahoma,"Segoe UI",Arial,sans-serif}

/* Landing / auth */
.home-page{display:grid;place-items:center;min-height:100vh;padding:24px}
.landing{max-width:940px;text-align:center;padding:18px}
.hero-logo{font-size:clamp(24px,4vw,44px);font-weight:1000;line-height:1.2}
.hero-logo em{color:var(--accent);font-style:normal}
.hero-logo small{display:block;font-size:16px;color:var(--muted);font-weight:700;margin-top:8px}
.landing h1{font-size:clamp(30px,5vw,60px);margin:14px 0 10px;line-height:1.2}
.landing>p{line-height:1.9;color:#c4d5e7;max-width:760px;margin-inline:auto}
.landing-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:28px 0}
.landing-card{
  display:flex;
  flex-direction:column;
  gap:13px;
  color:white;
  padding:28px 22px;
  border-radius:28px;
  min-height:244px;
  text-align:right;
}
.landing-card:hover{text-decoration:none;border-color:rgba(243,186,88,.45)}
.big-icon{font-size:42px;color:var(--accent)}
.landing-card strong{font-size:24px}
.landing-card small{font-size:14px;color:#c3d3e4;line-height:1.8}
.cta{font-weight:900;color:#dffaf5;margin-top:auto}
.auth-card{
  width:min(480px,calc(100% - 28px));
  padding:30px;
  border-radius:28px;
}
.auth-card h1{font-size:32px;margin:8px 0 10px}
.auth-card form{display:grid;gap:16px;margin:22px 0}
.auth-card form label{display:grid;gap:8px;font-weight:800}
.auth-card input{padding:13px;border-radius:12px}
.auth-card a{color:#92d8cb;font-weight:700}
.alert{color:#ffdbe1;background:var(--danger-soft);border:1px solid rgba(241,109,130,.2);border-radius:10px;padding:10px 12px}
.control-panel input[disabled]{opacity:.6}
.control-panel button:focus-visible{outline:3px solid rgba(243,186,88,.45)}

.display-banner{
  display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
  font-size:13px;font-weight:800;color:#d6eef0;
}
.display-banner strong{color:var(--accent)}

@media(max-width:1180px){
  .layout{grid-template-columns:1fr}
  .control-panel{position:static}
  .hero-strip{grid-template-columns:1fr}
}
@media(max-width:760px){
  .topbar{align-items:flex-start;flex-direction:column}
  .top-actions{justify-content:flex-start}
  .session-tools{justify-content:flex-start}
  .scoreboard{grid-template-columns:1fr 120px 1fr;gap:8px}
  .team{min-height:95px}
  .team strong{font-size:36px}
  .team span{font-size:12px}
  .center-stats strong{font-size:28px}
  .center-stats span{font-size:9px}
  .question-card{padding:24px 16px}
  .question-card p{font-size:16px}
  .board{grid-template-columns:1fr;gap:9px}
  .answer{height:72px;padding:10px 12px}
  .answer .number{width:34px;height:34px;font-size:16px}
  .answer .answer-text{font-size:18px}
  .answer .points{font-size:22px}
  .bottom-stats{padding:13px;flex-wrap:wrap}
  .status{max-width:100%;width:100%;text-align:right}
  .landing-grid{grid-template-columns:1fr}
  body.display .scoreboard{grid-template-columns:1fr 110px 1fr}
  body.display .answer{height:76px}
  body.display .answer-text{font-size:20px}
  body.display .question-card{padding:28px 18px}
}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* v4.2 — معنى الفعل/نوع الاسم يظهر فقط بعد كشف الإجابة */
.answer.with-detail{min-height:112px;height:auto;flex-wrap:wrap;align-content:center;row-gap:2px}
.answer-detail{display:block;width:100%;margin-inline-start:54px;order:4;color:#a8d8cf;line-height:1.65;font-size:12px;font-weight:650;text-align:right}
.answer-controls button{height:auto;line-height:1.7;white-space:normal}
body.display .answer.with-detail{min-height:126px;height:auto}
@media(max-width:760px){.answer.with-detail{min-height:94px;height:auto}.answer-detail{margin-inline-start:42px;font-size:11px}body.display .answer.with-detail{min-height:98px;height:auto}}

/* Optional morphology hints: visible only to the authenticated presenter. */
.answer-controls button .answer-note{display:block;font-size:11px;line-height:1.65;font-weight:500;color:#b5cada;margin-top:5px;white-space:normal}.answer-controls button{height:auto;min-height:54px;text-align:right}.answer-controls button:disabled .answer-note{opacity:.8}

/* v4.3: native desktop option menus must use a light, legible palette.
   Some Windows/Chromium configurations render the popup with the OS light
   background even when the page has color-scheme:dark. */
#questionSelect{
  display:block;
  width:100%;
  max-width:100%;
  min-height:50px;
  background:#f6fafc;
  color:#14283b;
  border:1px solid #9bb4c7;
  border-radius:12px;
  direction:rtl;
  text-align:right;
  color-scheme:light;
  font-size:15px;
  line-height:1.5;
  font-weight:700;
  padding:11px 14px;
  text-overflow:ellipsis;
}
#questionSelect option,
#questionSelect optgroup{
  color:#14283b;
  background:#fff;
  direction:rtl;
  text-align:right;
  font-size:15px;
  font-weight:500;
}
#questionSelect option:checked{color:#102839;background:#d7eee9}
#questionSelect:disabled{opacity:.65;cursor:not-allowed}
#questionSelect:focus-visible{outline:3px solid rgba(243,186,88,.65);outline-offset:2px}

/* v4.4 — Arabic-first host dashboard: controls to the right, stage to the left. */
@media (min-width:1181px){
  body.host .layout{
    direction:rtl;
    grid-template-columns:minmax(320px,380px) minmax(0,1fr);
    align-items:start;
  }
  body.host .control-panel{grid-column:1;grid-row:1;min-width:0;}
  body.host .stage{grid-column:2;grid-row:1;min-width:0;}
}
@media (max-width:1180px){
  body.host .layout{display:flex;flex-direction:column;direction:rtl;}
  body.host .control-panel{order:0;width:100%;}
  body.host .stage{order:1;width:100%;}
}