:root{
  --font-main:"Atkinson Hyperlegible","Segoe UI",Arial,sans-serif;
  --font-game:"Rajdhani","Segoe UI",Arial,sans-serif;
  --font-title:"Orbitron","Rajdhani","Segoe UI",sans-serif;
  --bg:#151922;--panel:#202633;--panel2:#252d3d;--line:#3d4658;
  --light:#f4f7fb;--muted:#aab3c3;--accent:#4da3ff;--good:#34d17a;--bad:#ff5c6c;
  --shadow:0 14px 34px rgba(0,0,0,.28);
  --glass:rgba(121,153,177,.20);--glass2:rgba(41,69,91,.76);--glassline:rgba(220,237,248,.34);
}
*{box-sizing:border-box}
html,body{margin:0;width:100%;min-height:100%;background:var(--bg);color:var(--light)}
body{height:100vh;overflow:hidden;font-family:var(--font-main);background:linear-gradient(135deg,rgba(77,163,255,.08),transparent 32%),linear-gradient(225deg,rgba(124,92,255,.09),transparent 35%),var(--bg)}
body:before{content:"";position:fixed;inset:0;opacity:.09;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:34px 34px;pointer-events:none}
button,input{font:inherit}
button{color:inherit}
.screen{position:relative;z-index:1;height:100vh;width:100vw;padding:12px;display:grid;place-items:center}
.game{width:min(1500px,100%);height:min(900px,100%);display:grid;grid-template-rows:auto minmax(0,1fr);gap:10px;background:rgba(23,28,39,.94);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:12px;overflow:hidden}
.topbar{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;background:linear-gradient(180deg,#252d3d,#1f2634);border:1px solid var(--line);border-radius:5px;padding:9px 11px}
.home-btn,.icon-btn,.setting-btn,.count-btn,.action-btn,.sound-toggle{border:1px solid #536179;background:linear-gradient(180deg,#303a4f,#202737);color:var(--light);border-radius:5px;cursor:pointer;font-weight:800;transition:.14s ease}
.home-btn{height:42px;padding:0 14px;font-family:var(--font-game);font-size:15px;letter-spacing:.05em;white-space:nowrap}.home-btn:hover,.icon-btn:hover,.setting-btn:hover,.count-btn:hover,.action-btn:hover,.sound-toggle:hover{border-color:var(--accent);background:linear-gradient(180deg,#39455d,#263147)}
.home-btn:active,.icon-btn:active,.setting-btn:active,.count-btn:active,.action-btn:active,.sound-toggle:active{transform:translateY(1px)}
.title-block{min-width:0}.title-block h1{margin:0;font-family:var(--font-title);font-size:clamp(24px,2.5vw,38px);line-height:1;font-weight:800;letter-spacing:.03em;white-space:nowrap}.subtitle{margin-top:4px;color:var(--muted);font-size:12px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.top-actions{display:flex;gap:8px}.icon-btn{min-width:44px;height:40px;padding:0 12px;font-size:18px}
.game-body{min-height:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(275px,315px);gap:10px;overflow:hidden}
.main-panel,.options-panel{min-height:0;background:var(--panel);border:1px solid var(--line);border-radius:5px;padding:10px;overflow:hidden}
.main-panel{display:grid;place-items:center;background:linear-gradient(180deg,#1d2432,#181e29)}
.atlas-stage{position:relative;isolation:isolate;width:100%;height:auto;max-height:100%;aspect-ratio:16/9;max-width:100%;overflow:hidden;border-radius:7px;border:1px solid rgba(144,169,191,.30);box-shadow:0 12px 30px rgba(0,0,0,.30);background-image:linear-gradient(180deg,rgba(2,15,27,.08),rgba(2,14,26,.19)),url("assets/atlas-map-background.png");background-size:cover;background-position:center}
.atlas-stage:after{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(circle at 50% 42%,rgba(133,180,211,.12),transparent 34%),linear-gradient(180deg,rgba(1,12,23,.02),rgba(1,10,20,.22));pointer-events:none}
.atlas-brand{position:absolute;z-index:2;top:4.2%;left:50%;transform:translateX(-50%);display:flex;align-items:center;justify-content:center;gap:10px;color:#f3f1ec;text-shadow:0 3px 18px rgba(0,0,0,.52)}
.atlas-compass{width:clamp(29px,2.8vw,43px);height:clamp(29px,2.8vw,43px);flex:0 0 auto;filter:drop-shadow(0 2px 7px rgba(0,0,0,.45))}.atlas-brand h2{margin:0;font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:clamp(32px,4.6vw,66px);line-height:.98;letter-spacing:.01em;white-space:nowrap}
.categories{position:absolute;z-index:3;top:18.7%;left:50%;transform:translateX(-50%);width:min(70%,760px);height:13.4%;display:grid;grid-template-columns:repeat(6,1fr);gap:6px;padding:7px;border:1px solid rgba(224,238,248,.24);border-radius:14px;background:linear-gradient(180deg,rgba(153,180,199,.22),rgba(65,92,113,.22));box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 8px 24px rgba(0,0,0,.18);backdrop-filter:blur(14px) saturate(120%)}
.cat{min-width:0;border:1px solid rgba(222,235,244,.24);border-radius:11px;background:linear-gradient(180deg,rgba(151,177,195,.20),rgba(70,96,116,.16));color:#eef4f7;display:grid;place-items:center;align-content:center;gap:2px;cursor:pointer;box-shadow:inset 0 1px 0 rgba(255,255,255,.10);transition:.14s ease;padding:3px}.cat:hover{border-color:rgba(163,211,245,.62);background:linear-gradient(180deg,rgba(161,192,214,.25),rgba(76,105,127,.20))}.cat.active{border-color:rgba(239,244,236,.62);background:linear-gradient(180deg,rgba(211,226,235,.30),rgba(114,143,164,.24));box-shadow:inset 0 1px 0 rgba(255,255,255,.34),0 0 14px rgba(122,183,226,.20),0 5px 15px rgba(0,0,0,.18)}.cat svg{width:clamp(16px,2vw,25px);height:clamp(16px,2vw,25px);fill:none;stroke:currentColor;stroke-width:1.55;stroke-linecap:round;stroke-linejoin:round;opacity:.92}.cat span{font-size:clamp(8px,.82vw,12px);line-height:1;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.quiz-card{position:absolute;z-index:2;left:50%;top:35.1%;transform:translateX(-50%);width:min(61%,680px);height:57%;padding:15px 20px 14px;border:1px solid rgba(226,237,244,.40);border-radius:19px;background:radial-gradient(circle at 22% 0,rgba(174,203,222,.20),transparent 34%),linear-gradient(180deg,rgba(76,108,132,.57),rgba(28,56,78,.78));box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 16px 30px rgba(0,0,0,.24);backdrop-filter:blur(16px) saturate(120%);display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;gap:7px}
.quiz-meta{display:flex;align-items:center;justify-content:space-between;gap:10px}.meta-chip{height:26px;display:inline-flex;align-items:center;gap:6px;padding:0 10px;border:1px solid rgba(228,239,247,.30);border-radius:999px;background:linear-gradient(180deg,rgba(180,203,218,.18),rgba(75,103,125,.14));font-size:clamp(9px,.82vw,12px);font-weight:700;color:#edf3f6;white-space:nowrap;box-shadow:inset 0 1px 0 rgba(255,255,255,.10)}.meta-chip svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.question-zone{display:grid;justify-items:center;align-content:center;min-height:0;margin-top:-15px;margin-bottom:4px}.question-emblem{display:flex;align-items:center;width:90%;margin:-3px auto -11px;color:rgba(225,236,243,.55);transform:translateY(-9px)}.question-emblem:before,.question-emblem:after{content:"";height:1px;flex:1;background:linear-gradient(90deg,transparent,rgba(226,237,244,.46))}.question-emblem:after{background:linear-gradient(90deg,rgba(226,237,244,.46),transparent)}.orb{width:clamp(25px,3vw,42px);aspect-ratio:1;border-radius:50%;display:grid;place-items:center;margin:0 12px;border:1px solid rgba(228,240,248,.42);background:radial-gradient(circle at 38% 28%,rgba(188,214,231,.28),rgba(36,68,91,.80));box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 0 0 7px rgba(121,165,196,.035),0 0 21px rgba(106,165,207,.12);font-family:Georgia,serif;font-size:clamp(25px,3vw,42px);color:#f3f5f5}.question{margin:0;max-width:96%;text-align:center;font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:clamp(18px,2.15vw,32px);line-height:1.12;color:#f5f3ee;text-shadow:0 2px 7px rgba(0,0,0,.35);transition:font-size .12s ease,line-height .12s ease}.question.question-lines-3{font-size:clamp(14px,1.55vw,23px);line-height:1.07;max-width:97%}.question.question-lines-4{font-size:clamp(12px,1.30vw,19px);line-height:1.05;max-width:98%}
.answers{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:8px;min-height:0}.answer{position:relative;overflow:hidden;min-width:0;min-height:42px;border:1px solid rgba(221,235,244,.40);border-radius:10px;background:linear-gradient(180deg,rgba(161,188,205,.16),rgba(76,104,125,.15));color:#f5f4ef;cursor:pointer;display:grid;grid-template-columns:34px minmax(0,1fr);align-items:center;gap:8px;padding:7px 10px;text-align:left;box-shadow:inset 0 1px 0 rgba(255,255,255,.10),0 4px 11px rgba(0,0,0,.10);transition:.13s ease}.answer:hover{border-color:rgba(164,211,244,.72);background:linear-gradient(180deg,rgba(183,208,225,.21),rgba(90,123,147,.19));transform:translateY(-1px)}.answer-letter{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(222,236,245,.36);background:rgba(40,72,96,.48);font-family:Georgia,serif;font-size:16px}.answer-text{min-width:0;font-family:Georgia,"Times New Roman",serif;font-size:clamp(13px,1.18vw,18px);line-height:1.05;white-space:normal}.answer.correct{border-color:rgba(122,239,166,.98);background:linear-gradient(180deg,rgba(53,164,104,.72),rgba(24,109,67,.78));box-shadow:inset 0 0 0 2px rgba(255,255,255,.09),0 0 20px rgba(52,209,122,.33)}.answer.wrong{border-color:rgba(255,134,146,.98);background:linear-gradient(180deg,rgba(181,62,78,.76),rgba(113,31,44,.80));box-shadow:inset 0 0 0 2px rgba(255,255,255,.08),0 0 20px rgba(255,92,108,.30)}.answer.reveal-correct{border:3px solid rgba(104,245,158,.98);background:linear-gradient(180deg,rgba(161,188,205,.16),rgba(76,104,125,.15));box-shadow:inset 0 0 0 1px rgba(255,255,255,.10),0 0 0 1px rgba(52,209,122,.26),0 0 22px rgba(52,209,122,.40)}.answer.reveal-correct .answer-letter{border-color:rgba(123,242,166,.88);box-shadow:0 0 12px rgba(52,209,122,.28)}.answer.disabled{cursor:default}.answer.disabled:not(.correct):not(.wrong):not(.reveal-correct){opacity:.68}
.card-foot{min-height:30px;display:flex;align-items:center;justify-content:center;gap:7px;padding:4px 11px;border:1px solid rgba(112,190,255,.38);border-radius:999px;background:linear-gradient(180deg,rgba(47,93,132,.38),rgba(21,54,82,.40));color:#d9e4eb;font-size:11px;font-weight:800;box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 0 14px rgba(77,163,255,.10)}.turn-label{color:#8fcaff;font-size:9px;font-weight:950;letter-spacing:.14em}.card-foot #turnText{font-family:var(--font-game);font-size:clamp(15px,1.45vw,21px);line-height:1;font-weight:900;letter-spacing:.04em;color:#fff;text-shadow:0 0 12px rgba(103,188,255,.45)}.foot-sep{color:rgba(210,229,242,.45)}.feedback{min-height:16px;text-align:center;letter-spacing:.03em}.feedback.good{color:#b8ffd2}.feedback.bad{color:#ffd0d6}.feedback.reveal{color:#c9fbd9}.turn-dot{width:9px;height:9px;border-radius:50%;background:#7bc8ff;box-shadow:0 0 7px #7bc8ff,0 0 16px rgba(77,163,255,.85)}
.options-panel{display:flex;flex-direction:column;gap:9px;overflow-y:auto}.options-panel::-webkit-scrollbar{width:8px}.options-panel::-webkit-scrollbar-thumb{background:#536179;border-radius:999px}.options-head{padding-bottom:8px;border-bottom:1px solid var(--line)}.options-title{margin:0;font-family:var(--font-title);font-size:clamp(18px,1.7vw,25px);line-height:1;font-weight:800;letter-spacing:.03em}.options-subtitle{margin-top:5px;color:var(--muted);font-size:11px;font-weight:650;line-height:1.25}.group-title{color:var(--muted);font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.10em;margin:2px 0 0}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:6px}.setting-btn,.count-btn{min-height:38px;padding:7px 8px;font-size:12px;line-height:1.1}.setting-btn.active,.count-btn.active{border-color:var(--accent);background:linear-gradient(180deg,#1f6ed0,#164e9a);box-shadow:0 0 16px rgba(77,163,255,.16)}
.players-controls{display:grid;gap:6px}.count-row{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}.player-editor{display:grid;gap:6px}.player-row{display:grid;grid-template-columns:26px minmax(0,1fr) 38px;align-items:center;gap:6px;background:linear-gradient(180deg,#242c3c,#1d2432);border:1px solid var(--line);border-radius:6px;padding:6px;transition:.16s ease}.player-num{width:26px;height:26px;border-radius:5px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#8ec8ff;font-size:11px;font-weight:900}.player-row input{min-width:0;width:100%;height:32px;border:1px solid #526079;border-radius:5px;background:#171d28;color:#f4f7fb;padding:0 8px;font-size:13px;font-weight:800;outline:none}.player-row input:focus{border-color:#78c7ff;box-shadow:0 0 0 2px rgba(77,163,255,.18)}.player-score{font-size:14px;font-weight:950;text-align:center;color:#dce7ef}.player-row.current{border:2px solid #68beff;background:linear-gradient(180deg,#183c60,#102c49);box-shadow:inset 0 0 0 1px rgba(255,255,255,.08),0 0 0 2px rgba(77,163,255,.16),0 0 22px rgba(77,163,255,.38)}.player-row.current .player-num{background:#1f76c8;color:#fff;border:1px solid #8bd1ff;box-shadow:0 0 12px rgba(77,163,255,.48)}.player-row.current input{height:34px;border-color:#7bcaff;background:#0f3558;color:#fff;font-size:15px;font-weight:950;box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 0 12px rgba(77,163,255,.16)}.player-row.current .player-score{font-size:16px;color:#fff;text-shadow:0 0 10px rgba(114,202,255,.55)}
.sound-toggle{width:100%;min-height:40px;padding:8px 10px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px}.sound-toggle strong{font-family:var(--font-game);letter-spacing:.05em}.sound-state{min-width:44px;text-align:center;border-radius:999px;padding:4px 8px;background:#164e9a;border:1px solid #4da3ff;font-size:10px}.sound-toggle.off{opacity:.70}.sound-toggle.off .sound-state{background:#3c4351;border-color:#6a7384;color:#c0c7d2}
.gadget{padding:8px 9px;background:linear-gradient(180deg,#242c3c,#1d2432);border:1px solid var(--line);border-radius:5px}.gadget-title{color:var(--muted);font-size:9px;font-weight:900;text-transform:uppercase;letter-spacing:.09em;margin-bottom:4px}.gadget-value{font-size:12px;font-weight:750;line-height:1.25}.action-row{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:auto}.action-btn{min-height:38px;padding:8px 9px;font-size:11px}
.hidden{display:none!important}
.modal-backdrop{position:fixed;inset:0;z-index:20;display:none;place-items:center;background:rgba(8,10,18,.70);padding:16px}.modal-backdrop.show{display:grid}.modal{width:min(500px,100%);background:#edf2f8;color:#121722;border:1px solid #c9d3df;border-radius:8px;padding:18px;box-shadow:var(--shadow)}.modal h2{margin:0 0 10px;font-family:var(--font-title);font-size:24px}.modal p,.modal li{color:#354052;line-height:1.45;font-weight:600}.modal button{margin-top:8px;border:0;border-radius:5px;padding:10px 14px;font-weight:800;color:#fff;background:#1f6ed0;cursor:pointer}
@media(max-width:1050px){html,body{overflow:auto}.screen{height:auto;min-height:100vh;place-items:start center}.game{height:auto;min-height:calc(100vh - 24px)}.game-body{grid-template-columns:1fr;overflow:visible}.main-panel{min-height:520px}.atlas-stage{width:100%;height:auto;aspect-ratio:16/9}.options-panel{overflow:visible}.players-controls{grid-template-columns:190px 1fr}.action-row{margin-top:0}}
@media(max-width:700px){.screen{padding:7px}.game{padding:7px;gap:7px}.topbar{grid-template-columns:auto 1fr auto;padding:7px}.home-btn{width:42px;padding:0;font-size:0}.home-btn:before{content:"⌂";font-size:20px}.subtitle{display:none}.icon-btn{width:38px;min-width:38px}.main-panel{padding:6px;min-height:440px}.atlas-stage{aspect-ratio:auto;height:720px;background-size:auto 100%;background-position:center}.atlas-brand{top:3.5%}.atlas-brand h2{font-size:42px}.categories{top:15.5%;width:94%;height:12%;gap:3px;padding:5px}.cat span{font-size:8px}.quiz-card{top:31%;width:90%;height:62%;padding:13px 13px 12px}.question{font-size:24px}.answers{gap:7px}.answer{grid-template-columns:28px 1fr;padding:6px 8px}.answer-letter{width:27px;height:27px;font-size:14px}.answer-text{font-size:15px}.players-controls{grid-template-columns:1fr}}
@media(max-height:720px) and (min-width:1051px){.screen{padding:8px}.game{padding:8px;gap:7px}.topbar{padding:7px 9px}.title-block h1{font-size:28px}.subtitle{display:none}.game-body{gap:7px}.main-panel,.options-panel{padding:7px}.options-panel{gap:6px}.options-head{padding-bottom:6px}.setting-btn,.count-btn{min-height:33px;padding:5px 7px}.player-row{padding:4px}.player-row input{height:25px}.sound-toggle{min-height:34px}.action-btn{min-height:34px}.quiz-card{padding:11px 15px 10px;gap:4px}.question-zone{margin-top:-17px;margin-bottom:-9px}.question-emblem{transform:translateY(-10px);margin-bottom:-12px}.question{margin-top:0}.answers{gap:5px}.answer{min-height:34px;padding:4px 8px}.answer-letter{width:26px;height:26px}.meta-chip{height:22px}.card-foot{min-height:14px}}

@media(max-width:700px){.question-emblem{transform:translateY(-8px);margin-bottom:-9px}.question.question-lines-3{font-size:18px;line-height:1.07}.question.question-lines-4{font-size:15px;line-height:1.05}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Question-bank availability */
.cat:disabled{opacity:.42;cursor:not-allowed;filter:saturate(.45);transform:none!important}
.cat:disabled:hover{border-color:inherit;background:inherit;box-shadow:none}
.data-status{font-size:12px;color:var(--muted);font-weight:700}


/* ===== TML standard HOME button: Periodic Table style ===== */
.home,.home-btn{
  --tml-home-accent:#35c7ff;
  min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 13px;
  border:1px solid rgba(138,170,220,.48);border-radius:8px;text-decoration:none;color:#f5f8ff;
  background:linear-gradient(180deg,#263a60,#16243b);font-family:inherit;white-space:nowrap;cursor:pointer;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 2px 0 rgba(0,0,0,.22);
  animation:tmlStandardHomeGlow 2.45s ease-in-out infinite;
  transition:transform .14s ease,background .14s ease,border-color .14s ease,box-shadow .14s ease;
}
.home .tml-home-house,.home-btn .tml-home-house{width:18px;height:18px;flex:0 0 auto;fill:currentColor;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 0 transparent);animation:tmlStandardHomeContentGlow 2.45s ease-in-out infinite}
.home .tml-home-house path:first-child,.home-btn .tml-home-house path:first-child{stroke:none}
.home .tml-home-word,.home-btn .tml-home-word{font-size:16px;line-height:1;font-weight:1000;letter-spacing:.015em;animation:tmlStandardHomeContentGlow 2.45s ease-in-out infinite}
.home:hover,.home:focus-visible,.home-btn:hover,.home-btn:focus-visible{border-color:var(--tml-home-accent);outline:none;transform:translateY(-1px);background:linear-gradient(180deg,#2b416b,#182943);box-shadow:0 0 18px rgba(53,199,255,.30),inset 0 1px 0 rgba(255,255,255,.11)}
.home:active,.home-btn:active{transform:translateY(0)}
.home-btn:before{content:none!important}
@keyframes tmlStandardHomeGlow{0%,100%{border-color:rgba(138,170,220,.48);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 2px 0 rgba(0,0,0,.22)}50%{border-color:rgba(53,199,255,.92);box-shadow:0 0 13px rgba(53,199,255,.25),inset 0 1px 0 rgba(255,255,255,.11),0 2px 0 rgba(0,0,0,.22)}}
@keyframes tmlStandardHomeContentGlow{0%,100%{color:#f5f8ff;text-shadow:0 0 0 transparent;filter:drop-shadow(0 0 0 transparent)}50%{color:#e7fbff;text-shadow:0 0 8px rgba(53,199,255,.85);filter:drop-shadow(0 0 4px rgba(53,199,255,.68))}}
@media(max-width:700px){.home,.home-btn{width:auto!important;min-height:40px;padding:0 10px!important;gap:6px!important;font-size:inherit!important}.home .tml-home-house,.home-btn .tml-home-house{width:16px;height:16px}.home .tml-home-word,.home-btn .tml-home-word{font-size:15px}}
@media(prefers-reduced-motion:reduce){.home,.home-btn,.home .tml-home-house,.home-btn .tml-home-house,.home .tml-home-word,.home-btn .tml-home-word{animation:none!important}}