:root{
    --bg:#100b28; --bg2:#1c1245; --panel:#21184b; --panel2:#2b1d61;
    --text:#f8f7ff; --muted:#b9b3da; --line:rgba(255,255,255,.10);
    --gold:#ffd34d; --blue:#54b7ff; --cyan:#58e7e0; --green:#6ce7a1;
    --red:#ff6a7a; --purple:#a886ff; --bronze:#cf8a54; --silver:#d5d8e2;
    --shadow:0 18px 55px rgba(0,0,0,.30); --topbar-h:58px; --bottom-nav-base-h:72px; --bottom-nav-safe-h:env(safe-area-inset-bottom); --bottom-nav-h:calc(var(--bottom-nav-base-h) + var(--bottom-nav-safe-h)); --bottom-nav-gap:22px; --bottom-nav-clearance:calc(var(--bottom-nav-h) + var(--bottom-nav-gap)); --cta-h:70px;
}

.assignment-note-and-sharing{grid-column:1/-1;display:grid;gap:14px;margin-top:6px}
.assignment-note-field{display:grid;gap:8px}
.assignment-note-field textarea{width:100%;min-height:92px;resize:vertical;font:inherit;color:var(--text);caret-color:var(--gold);background:rgba(12,8,34,.72);border:1px solid rgba(177,157,242,.32);border-radius:12px;padding:12px;outline:none}.assignment-note-field textarea::placeholder{color:rgba(248,247,255,.5)}.assignment-note-field textarea:focus{border-color:rgba(255,211,77,.72);box-shadow:0 0 0 3px rgba(255,211,77,.12)}.assignment-note-field textarea::selection{background:rgba(84,183,255,.38);color:#fff}.assignment-note-field textarea:disabled,.assignment-note-field textarea[readonly]{background:rgba(12,8,34,.42);color:var(--muted);opacity:.78}.assignment-note-field textarea:-webkit-autofill{-webkit-text-fill-color:var(--text);box-shadow:0 0 0 1000px #15102f inset}
.assignment-sharing-options{display:grid;gap:10px;padding:14px;border:1px solid var(--border,#d7dbe5);border-radius:14px;background:var(--surface-soft,rgba(255,255,255,.06))}
.assignment-sharing-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 14px}
.assignment-sharing-grid label{display:flex;align-items:center;gap:8px;min-width:0}
.assignment-sharing-grid input{width:auto;height:auto}
.assignment-note-meta{grid-column:1/-1;white-space:pre-wrap}.assignment-public-note{display:grid;gap:3px;width:100%;margin-top:8px;padding:12px;border-radius:12px;background:rgba(8,5,27,.35);text-align:left}.assignment-public-note span{color:var(--muted);font-size:11px}.assignment-public-note b{overflow-wrap:anywhere;white-space:pre-wrap}
.assignment-receipt-warning{grid-column:1/-1;color:var(--warning,#9a5b00)}
@media(max-width:430px){.assignment-sharing-grid{grid-template-columns:1fr}}
.assignment-public-entry{width:min(100%,560px);margin-inline:auto}
.assignment-public-entry .result-hero{margin-bottom:14px}
.assignment-public-entry .assignment-meta{width:100%;box-sizing:border-box}
.assignment-public-entry-form{margin-top:16px;padding:16px;border:1px solid rgba(177,157,242,.22);border-radius:20px;background:rgba(255,255,255,.045)}
.assignment-public-entry-form .btn{width:100%;margin-top:4px}
.assignment-code-control{display:grid;gap:6px;position:static}.assignment-code-control input{padding-bottom:11px}.assignment-code-control small{position:static;display:block;min-height:1.35em;padding:0 2px;overflow:visible;color:var(--muted);font-size:10px;line-height:1.35;white-space:normal;pointer-events:none}
.assignment-public-rules{margin:14px 0 0}
.competition-public-leaderboard{width:100%;box-sizing:border-box}
.competition-public-flow{display:grid;gap:16px}.competition-public-flow>.assignment-meta,.competition-public-flow>.assignment-public-entry-form,.competition-public-flow>.competition-public-leaderboard,.competition-public-flow>.assignment-public-rules{margin:0}
.assignment-published-actions a.btn{display:grid;place-items:center;box-sizing:border-box;text-decoration:none}
@media(max-width:430px){.assignment-public-entry{width:100%}.assignment-public-entry-form{padding:14px}.assignment-public-entry .leaderboard-row{grid-template-columns:28px minmax(0,1fr) auto}.assignment-public-entry .leaderboard-row b{font-size:11px}}
  *{box-sizing:border-box}
  html,body{margin:0;min-height:100%;background:
    radial-gradient(900px 650px at 50% -150px,#5536a8 0%,transparent 58%),
    radial-gradient(500px 400px at 105% 25%,#12367b 0%,transparent 58%),
    linear-gradient(180deg,var(--bg2),var(--bg));color:var(--text);
    font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
  body{min-height:100vh}
  button,input{font:inherit}
  button{cursor:pointer}
  .app{width:min(100%,480px);min-height:100vh;min-height:100dvh;margin:0 auto;position:relative;padding:0 14px var(--bottom-nav-clearance)}
  .topbar{height:var(--topbar-h);display:flex;align-items:center;justify-content:space-between;gap:10px;position:sticky;top:0;z-index:10;
    background:transparent;backdrop-filter:none}
  .app:has(.hero)::before{content:"";position:absolute;inset:0 0 auto;height:calc(var(--topbar-h) + 28px);z-index:2;background:linear-gradient(180deg,#07062e 0,#04042b var(--topbar-h),rgba(3,3,42,.78) calc(var(--topbar-h) + 8px),transparent 100%);pointer-events:none}
  .app:has(.hero) .topbar{background:transparent;backdrop-filter:none}
  .app:not(:has(.hero))::before{content:"";display:block;height:var(--topbar-h)}
  .app:not(:has(.hero)) .topbar{position:fixed;top:0;left:50%;width:min(calc(100% - 28px),452px);transform:translateX(-50%);background:transparent;backdrop-filter:none}
  body:not(:has(.hero))::before{content:"";position:fixed;inset:0 0 auto;height:calc(env(safe-area-inset-top) + var(--topbar-h));z-index:9;background:#180f43;pointer-events:none}
  .brand-home{display:flex;align-items:center;justify-content:flex-start;min-width:0;min-height:48px;padding:4px 6px;border:0;border-radius:12px;background:transparent;color:inherit;flex:0 1 auto;cursor:pointer}
  .brand-home:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
  .brand-logo{display:block;height:39px;width:auto;max-width:min(210px,52vw);object-fit:contain}
  .topbar-actions{display:flex;align-items:center;gap:7px;flex:0 0 auto}
  .sound-toggle{width:36px;height:36px;display:grid;place-items:center;padding:0;border:1px solid var(--line);border-radius:50%;background:rgba(255,255,255,.06);color:var(--muted);font-size:16px;line-height:1}
  .sound-toggle.active{border-color:rgba(255,211,77,.45);background:rgba(255,211,77,.12)}
  .sound-toggle:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
  .guest{border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--muted);border-radius:999px;padding:8px 10px;font-size:12px}
  .screen{animation:in .20s ease}
  body:has(.selection-screen){overflow:hidden}
  .selection-screen{height:calc(100dvh - var(--topbar-h) - var(--bottom-nav-clearance));min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr) auto}
  .selection-screen.no-cta{grid-template-rows:auto minmax(0,1fr)}
  .selection-scroll{min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:none;padding-bottom:10px}
  .selection-scroll::-webkit-scrollbar{display:none}
  .selection-cta{position:relative;z-index:3;min-height:var(--cta-h);padding:14px 0 6px;background:linear-gradient(180deg,transparent,var(--bg) 30%)}
  @keyframes in{from{opacity:.3;transform:translateY(6px)}to{opacity:1;transform:none}}
  body:has(.home-screen){height:100dvh;overflow:hidden}
  .app:has(.home-screen){height:100dvh;min-height:0;padding-bottom:0;overflow:hidden}
  .home-screen{height:calc(100dvh - var(--topbar-h));min-height:0;margin:0 -14px;overflow:hidden}
  .home-screen .hero{position:relative;width:100%;height:100%;padding:0;text-align:center;overflow:hidden}
  .home-screen .hero-title-3d{position:absolute;inset:0 auto auto 0;width:100%;margin:0;line-height:0;overflow:visible}
  .home-screen .hero-title-3d img{display:block;width:100%;height:auto;object-fit:contain;object-position:top center}
  .home-screen .mode-grid{position:absolute;z-index:3;top:min(calc(52.52vw + 59px),311px);right:14px;bottom:auto;left:14px;margin:0}
  @media (max-width:699px) and (max-height:620px){body:has(.home-screen){scrollbar-width:none}body:has(.home-screen)::-webkit-scrollbar{display:none}.home-screen{min-height:500px}}
  .mode-grid{display:grid;gap:12px;margin-top:14px}
  .mode-card{border:1px solid var(--line);border-radius:24px;padding:18px 20px;text-align:left;color:white;min-height:112px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
  .mode-card::after{content:"";position:absolute;inset:auto -30px -55px auto;width:150px;height:150px;border-radius:50%;background:rgba(255,255,255,.08)}
  .mode-practice{background:linear-gradient(135deg,#0969a8,#23388e)}
  .mode-arena{background:linear-gradient(135deg,#b45a12,#8d236a)}
  .mode-heading{display:flex;align-items:center;gap:10px;position:relative;z-index:1}
  .mode-icon{font-size:30px;line-height:1;flex:0 0 auto}
  .mode-title{font-size:23px;font-weight:950;line-height:1.1}
  .mode-sub{font-size:13px;line-height:1.4;color:rgba(255,255,255,.82);margin-top:8px;position:relative;z-index:1;overflow-wrap:anywhere}
  .section-head{display:flex;align-items:center;gap:12px;padding:8px 0 17px}
  .back{width:42px;height:42px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.06);color:white;font-size:20px}
  .head-copy{flex:1}
  .eyebrow{color:var(--gold);font-size:11px;font-weight:850;letter-spacing:1.2px;text-transform:uppercase}
  h2{font-size:25px;margin:2px 0 0;letter-spacing:-.5px}
  .sub{color:var(--muted);font-size:13px;line-height:1.4;margin-top:5px}
  .class-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;margin-top:16px;padding-bottom:10px}
  .class-card{aspect-ratio:1;border:1px solid var(--line);border-radius:23px;background:linear-gradient(145deg,rgba(255,255,255,.10),rgba(255,255,255,.035));color:white;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;box-shadow:var(--shadow)}
  .class-card .n{font-size:41px;font-weight:950;color:var(--gold)}
  .class-card .lbl{font-size:12px;color:var(--muted)}
  .class-card.selected{border-color:var(--gold);background:linear-gradient(145deg,rgba(255,211,77,.17),rgba(168,134,255,.10));box-shadow:0 0 0 2px rgba(255,211,77,.13),var(--shadow)}
  .class-card.class-updating{background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.02));border-color:rgba(255,255,255,.07);box-shadow:0 12px 35px rgba(0,0,0,.20)}
  .class-updating .n{color:rgba(255,211,77,.68)}
  .class-updating .lbl{color:rgba(185,179,218,.68)}
  .class-status{margin-top:2px;padding:3px 6px;border-radius:999px;background:rgba(255,255,255,.07);color:rgba(248,247,255,.68);font-size:9px;line-height:1.1;white-space:nowrap}
  .topic-list{display:grid;gap:10px}
  .topic{display:flex;gap:12px;align-items:center;width:100%;padding:15px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.055);color:white;text-align:left}
  .topic.selected{border-color:rgba(255,211,77,.65);background:linear-gradient(135deg,rgba(255,211,77,.14),rgba(168,134,255,.10));box-shadow:0 0 0 1px rgba(255,211,77,.10)}
  .topic-icon{flex:0 0 42px;width:42px;height:42px;border-radius:14px;background:rgba(255,255,255,.08);display:grid;place-items:center;font-weight:900;color:var(--gold)}
  .topic-name{font-weight:800;font-size:14px;line-height:1.25}
  .topic-code{font-size:11px;color:var(--muted);margin-top:4px}
  .check{margin-left:auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:13px}
  .selected .check{background:var(--gold);color:#221b39;border-color:transparent;font-weight:950}
  .btn{border:0;border-radius:16px;padding:15px 18px;font-weight:900}
  .btn-primary{width:100%;background:linear-gradient(135deg,#ffe066,#ffb631);color:#2f2244;box-shadow:0 10px 28px rgba(255,192,47,.22)}
  .btn-secondary{background:rgba(255,255,255,.08);color:white;border:1px solid var(--line)}
  .btn-danger{background:rgba(255,94,116,.15);color:#ff9daa;border:1px solid rgba(255,106,122,.25)}
  .rank-list,.battle-list{display:grid;gap:11px}
  .rank{display:flex;align-items:center;gap:13px;padding:15px;border-radius:20px;border:1px solid var(--line);background:rgba(255,255,255,.05);color:white;text-align:left}
  .rank.selected{border-color:var(--gold);background:rgba(255,211,77,.10)}
  .class-card.selected,.rank.selected,.battle-card.selected{animation:selection-confirm .14s ease-out both}
  @keyframes selection-confirm{0%{transform:scale(.96);filter:brightness(.92)}60%{transform:scale(1.018);filter:brightness(1.14)}100%{transform:scale(1);filter:brightness(1)}}
  .rank-badge{width:52px;height:52px;border-radius:18px;display:grid;place-items:center;font-size:27px;background:rgba(255,255,255,.08)}
  .rank-name{font-weight:950}
  .rank-desc{font-size:12px;color:var(--muted);margin-top:3px}
  .difficulty-link{display:block;width:100%;margin-top:12px;padding:11px 14px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.035);color:var(--muted);font-size:12px;font-weight:750}
  .difficulty-overlay{position:fixed;inset:0;z-index:110;display:flex;align-items:flex-end;justify-content:center;padding:14px;padding-bottom:max(14px,var(--bottom-nav-safe-h));background:rgba(7,5,24,.78);backdrop-filter:blur(8px)}
  .difficulty-sheet{display:flex;flex-direction:column;width:min(100%,480px);max-height:min(84dvh,720px);overflow:hidden;border:1px solid rgba(255,255,255,.14);border-radius:26px 26px 20px 20px;background:linear-gradient(180deg,#2a1d5d,#171035);box-shadow:0 28px 90px rgba(0,0,0,.55)}
  .difficulty-header{display:flex;align-items:flex-start;gap:12px;padding:20px 18px 15px;border-bottom:1px solid var(--line)}
  .difficulty-header>div{min-width:0;flex:1}
  .difficulty-header h2{margin-top:3px}
  .difficulty-header p{margin:6px 0 0;color:var(--muted);font-size:12px;line-height:1.4}
  .difficulty-close{flex:0 0 42px;width:42px;height:42px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.07);color:white;font-size:25px;line-height:1}
  .difficulty-content{min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:12px 14px 20px;scrollbar-width:thin}
  .difficulty-topic{border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.045);overflow:hidden}
  .difficulty-topic+.difficulty-topic{margin-top:9px}
  .difficulty-topic summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px;cursor:pointer;list-style:none;font-size:13px;font-weight:850;line-height:1.35}
  .difficulty-topic summary::-webkit-details-marker{display:none}
  .difficulty-topic summary span:first-child{min-width:0;overflow-wrap:anywhere}
  .difficulty-chevron{flex:0 0 auto;color:var(--gold);font-size:18px;transition:transform .18s ease}
  .difficulty-topic[open] .difficulty-chevron{transform:rotate(180deg)}
  .difficulty-ranks{padding:0 12px 12px}
  .difficulty-rank{padding:11px 12px;border-radius:13px;background:rgba(8,6,28,.30)}
  .difficulty-rank+.difficulty-rank{margin-top:7px}
  .difficulty-rank-title{font-size:12px;font-weight:900;color:#fff}
  .difficulty-description{margin-top:4px;color:#d3ceed;font-size:12px;line-height:1.42}
  .difficulty-example{margin-top:6px;color:var(--gold);font-size:14px;font-weight:850;line-height:1.35;overflow-wrap:anywhere}
  .difficulty-example span{color:var(--muted);font-size:11px;font-weight:750}
  .difficulty-missing{padding:12px;color:#ffccd2;font-size:12px;line-height:1.4}
  .rules-content{display:grid;gap:10px}
  .rules-section{padding:15px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.045)}
  .rules-section h3{margin:0 0 13px;font-size:15px;line-height:1.3}
  .rules-block+.rules-block{margin-top:12px}
  .rules-block strong{display:block;color:var(--gold);font-size:11px;text-transform:uppercase;letter-spacing:.55px}
  .rules-block p,.rules-block ul{margin:5px 0 0;color:#d3ceed;font-size:12px;line-height:1.5}
  .rules-block ul{padding-left:18px}
  .rules-block li+li{margin-top:4px}
  .survival-rules{background:rgba(84,183,255,.055);border-color:rgba(84,183,255,.16)}
  .battle-card{border:1px solid var(--line);border-radius:20px;padding:17px;background:rgba(255,255,255,.05);color:white;text-align:left;display:flex;align-items:center;gap:13px}
  .battle-card.selected{border-color:var(--blue);background:rgba(84,183,255,.10)}
  .battle-icon{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:rgba(255,255,255,.08);font-size:24px}
  .summary{border:1px solid var(--line);background:rgba(255,255,255,.055);border-radius:22px;padding:17px}
  .summary-row{display:flex;align-items:flex-start;gap:16px;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}
  .summary-row:last-child{border-bottom:0}
  .summary-value{text-align:right;max-width:70%;min-width:0;overflow-wrap:anywhere}
  .summary-topics{display:grid;justify-items:end;gap:6px}
  .summary-topics span{display:block;padding:5px 8px;border-radius:10px;background:rgba(255,255,255,.06);font-size:12px;line-height:1.35}
  .play-rules{margin-top:12px;border-radius:16px;padding:13px 14px;background:rgba(84,183,255,.09);border:1px solid rgba(84,183,255,.18);font-size:12px;line-height:1.5;color:#cbeaff}
  .play-rules-title{margin-bottom:5px;color:var(--gold);font-size:11px;font-weight:900;letter-spacing:.65px;text-transform:uppercase}
  .note{margin-top:12px;border-radius:16px;padding:13px 14px;background:rgba(84,183,255,.09);border:1px solid rgba(84,183,255,.18);font-size:12px;line-height:1.45;color:#cbeaff}
  .game{padding-top:28px}
  .app:has(.game-screen),.app:has(.assignment-game-screen){min-height:100vh;min-height:100dvh;padding-bottom:max(8px,env(safe-area-inset-bottom));overflow-x:hidden}
  html.gameplay-active,body.gameplay-active{overscroll-behavior-y:none}
  body.gameplay-active .app{overscroll-behavior-y:none}
  .app:has(.game-screen) .topbar{height:calc(var(--topbar-h) + env(safe-area-inset-top));padding-top:env(safe-area-inset-top)}
  .game-screen{min-height:calc(100vh - var(--topbar-h) - 8px);min-height:calc(100dvh - var(--topbar-h) - env(safe-area-inset-top) - max(8px,env(safe-area-inset-bottom)))}
  .game-top{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:122px;min-height:96px;align-items:center}
  .stat{position:relative;background:rgba(255,255,255,.055);border:1px solid var(--line);border-radius:15px;padding:9px 10px;min-height:55px}
  .stat.right{text-align:right}
  .stat .lab{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.7px}
  .stat .val{font-size:20px;font-weight:950;margin-top:1px}
  .stat-score-pulse .val{animation:hud-score-pulse .58s ease-out}
  .stat-streak-pulse .val{animation:hud-streak-pulse .52s ease-out}
  .stat-streak-pulse.reset .val{animation:hud-streak-reset .4s ease-out}
  .score-gain{position:absolute;left:10px;top:-5px;z-index:3;color:#79f0aa;font-size:16px;font-weight:1000;line-height:1;pointer-events:none;animation:score-gain-float .62s ease-out both}
  .streak-milestone{position:absolute;left:50%;top:82px;z-index:5;width:max-content;max-width:190px;transform:translateX(-50%);padding:7px 12px;border:1px solid rgba(255,211,77,.7);border-radius:14px;background:linear-gradient(135deg,rgba(98,48,151,.97),rgba(173,69,38,.97));box-shadow:0 8px 24px rgba(0,0,0,.35);text-align:center;pointer-events:none;animation:streak-milestone-pop 1.5s ease-out both}
  .streak-milestone strong,.streak-milestone span{display:block;white-space:nowrap}.streak-milestone strong{color:#fff;font-size:12px}.streak-milestone span{margin-top:2px;color:var(--gold);font-size:11px;font-weight:950}
  @keyframes hud-score-pulse{0%,100%{transform:scale(1)}35%{transform:scale(1.22);color:#fff4b0;text-shadow:0 0 14px rgba(255,211,77,.55)}}
  @keyframes hud-streak-pulse{0%,100%{transform:scale(1)}38%{transform:scale(1.2);color:#ffd34d;text-shadow:0 0 12px rgba(255,179,66,.5)}}
  @keyframes hud-streak-reset{0%,100%{transform:scale(1)}40%{transform:scale(.88);color:#ff9fa9}}
  @keyframes score-gain-float{0%{opacity:0;transform:translateY(5px) scale(.82)}24%{opacity:1;transform:translateY(0) scale(1.08)}100%{opacity:0;transform:translateY(-18px) scale(1)}}
  @keyframes streak-milestone-pop{0%{opacity:0;transform:translate(-50%,8px) scale(.78)}24%{opacity:1;transform:translate(-50%,0) scale(1.06)}75%{opacity:1;transform:translate(-50%,0) scale(1)}100%{opacity:0;transform:translate(-50%,-5px) scale(.98)}}
  .timer{width:76px;height:76px;border-radius:50%;display:grid;place-items:center;text-align:center;border:4px solid var(--gold);background:#1a123d;box-shadow:0 0 26px rgba(255,211,77,.16)}
  .timer .big{font-size:23px;font-weight:950;line-height:1}
  .timer .small{font-size:9px;color:var(--muted);margin-top:2px}
  .game-timer-stack{position:absolute;left:50%;top:50%;width:116px;min-width:0;display:flex;flex-direction:column;align-items:center;text-align:center;transform:translate(-50%,-50%)}
  .game-mode-name{width:100%;margin-top:5px;color:#d8d2ff;font-size:9px;font-weight:800;line-height:1.2;text-align:center;white-space:normal}
  .survival-hearts{display:inline-block;min-width:68px;color:#ff6678;font-size:12px;letter-spacing:1px;white-space:nowrap}
  .practice-timer{border-color:#58e7e0}
  .game-meta{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:11px;color:var(--muted);font-size:12px}
  .active-activity-title{margin:-2px -4px 8px;padding:9px 12px;border-bottom:1px solid rgba(177,157,242,.22);color:var(--text);font-size:15px;font-weight:900;text-align:center;overflow-wrap:anywhere}
  .game-meta-right{display:flex;align-items:center;justify-content:flex-end;gap:8px;min-width:0}
  .fraction-inline-notice{color:#ffd66b;font-size:.84em;font-weight:750;white-space:nowrap}
  .combo{color:#ffbd5a;font-weight:900}
  .qcard{margin-top:13px;border:1px solid rgba(168,134,255,.30);background:
    radial-gradient(240px 130px at 50% 20%,rgba(116,89,255,.17),transparent 70%),
    rgba(255,255,255,.045);border-radius:26px;padding:19px 15px 16px;box-shadow:var(--shadow);min-height:198px}
  .question-context{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}
  .qtopic{min-width:0;font-size:11px;line-height:1.3;color:#bcd9ff;background:rgba(84,183,255,.10);padding:6px 9px;border-radius:12px;overflow-wrap:anywhere}
  .qrank{flex:0 0 auto;padding:6px 9px;border-radius:999px;background:rgba(255,211,77,.10);color:var(--gold);font-size:11px;font-weight:850;white-space:nowrap}
  .question{font-size:32px;font-weight:950;text-align:center;letter-spacing:-.8px;margin:25px 0 21px;line-height:1.15}
  .answer{height:58px;border-radius:16px;border:1px solid var(--line);background:rgba(7,5,24,.50);color:white;width:100%;font-size:28px;text-align:center;font-weight:850;outline:none}
  .answer:focus{border-color:rgba(255,211,77,.65)}
  .feedback{margin-top:12px;border-radius:18px;padding:14px;border:1px solid var(--line);line-height:1.45;font-size:13px}
  .feedback.ok{background:rgba(108,231,161,.09);border-color:rgba(108,231,161,.22)}
  .feedback.bad{background:rgba(255,106,122,.09);border-color:rgba(255,106,122,.22)}
  .feedback strong{font-size:15px}
  .steps{color:#ddd9f5;margin-top:7px}
  .keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
  .game-screen .keypad,.game-screen .keypad button,.game-screen .game-submit-grid button{touch-action:manipulation}
  .key{height:55px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.07);color:white;font-size:20px;font-weight:850}
  .key:disabled{opacity:.32;cursor:not-allowed;box-shadow:none;filter:saturate(.45)}
  .key:disabled:hover,.key:disabled:active{background:rgba(255,255,255,.07);transform:none}
  .key.del{color:#ffb1b8}
  .fraction-key:disabled{cursor:not-allowed;color:rgba(185,179,218,.38);background:rgba(255,255,255,.025);border-color:rgba(255,255,255,.055)}
  .game-submit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:repeat(2,minmax(48px,auto));gap:8px;margin-top:10px}
  .game-submit-grid .btn{width:100%;min-width:0;min-height:48px;margin:0;padding:9px 6px}
  .game-delete{grid-column:2;grid-row:1;background:rgba(255,255,255,.075);border:1px solid var(--line);color:#eeeaff;font-size:22px;font-weight:900}
  .game-submit{grid-row:1 / 3;background:linear-gradient(135deg,#ffe066,#ffb631);color:#2f2244;font-size:16px;font-weight:950;box-shadow:0 10px 28px rgba(255,192,47,.22)}
  .game-submit-left{grid-column:1}.game-submit-right{grid-column:3}
  .game-mode-action,.game-mode-placeholder{grid-column:2;grid-row:2;min-width:0;min-height:48px;border-radius:14px}
  .game-mode-action{background:rgba(255,255,255,.075);border:1px solid var(--line);color:#eeeaff;font-size:11px;font-weight:900;line-height:1.15}
  .game-mode-placeholder{border:1px solid rgba(255,255,255,.045);background:rgba(255,255,255,.018)}
  .game-actions{display:flex;gap:8px;margin-top:10px}
  .game-actions .btn{flex:1;min-height:48px;padding:12px 10px;font-size:12px}
  .timed-actions .btn{width:100%;font-weight:900}
  .timed-actions{margin-top:16px}
  .practice-actions{gap:10px}
  .end-practice-sheet{max-width:420px}
  .end-practice-actions{display:grid;gap:9px;padding:16px}
  .end-practice-actions .btn{width:100%;min-height:48px}
  .flash{position:fixed;top:86px;left:50%;transform:translateX(-50%);z-index:50;padding:10px 14px;border-radius:999px;font-weight:950;box-shadow:var(--shadow);animation:pop .5s ease forwards}
  .flash.ok{background:#72e6a4;color:#103e26}.flash.bad{background:#ff7886;color:#4a0d17}.flash.bonus{background:#ffd557;color:#4a3410}
  @keyframes pop{0%{opacity:0;transform:translate(-50%,-10px) scale(.9)}25%{opacity:1;transform:translate(-50%,0) scale(1)}100%{opacity:0;transform:translate(-50%,-5px)}}
  @media (prefers-reduced-motion:reduce){.stat-score-pulse .val,.stat-streak-pulse .val,.stat-streak-pulse.reset .val{animation:none}.score-gain,.streak-milestone{animation:feedback-still 1.1s linear both}@keyframes feedback-still{0%,80%{opacity:1}100%{opacity:0}}}
  .result-hero{text-align:center;padding:15px 0 14px}
  .result-icon{font-size:67px;filter:drop-shadow(0 12px 18px rgba(255,200,50,.25))}
  .result-title{font-size:29px;font-weight:950;margin-top:5px}
  .score{font-size:52px;font-weight:1000;color:var(--gold);letter-spacing:-2px;line-height:1;margin:8px 0 2px}
  .score-lab{color:var(--muted);font-size:11px;letter-spacing:1.2px;text-transform:uppercase}
  .stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin:14px 0}
  .result-stat{padding:14px;border-radius:18px;background:rgba(255,255,255,.055);border:1px solid var(--line)}
  .result-stat .n{font-size:25px;font-weight:950}
  .result-stat .t{font-size:11px;color:var(--muted);margin-top:2px}
  .result-stat-wide{grid-column:1/-1;text-align:center}
  .timed-result-stats{grid-template-columns:repeat(6,minmax(0,1fr))}.timed-result-stats .result-stat{grid-column:span 2}.timed-result-stats .result-stat:nth-last-child(-n+2){grid-column:span 3}.survival-result-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .review-section{margin-top:18px}
  .review-toggle{display:flex;width:100%;min-height:68px;align-items:center;justify-content:space-between;gap:12px;padding:13px 14px;border:1px solid rgba(255,211,77,.25);border-radius:17px;background:rgba(255,211,77,.065);color:white;text-align:left;cursor:pointer}
  .review-toggle>span:first-child{display:grid;gap:4px;min-width:0}.review-toggle strong{color:var(--gold);font-size:12px;font-weight:950;letter-spacing:.35px}.review-toggle small{color:#d8d2ff;font-size:11px;line-height:1.35}.review-chevron{flex:0 0 auto;color:var(--gold);font-size:22px;font-weight:900;line-height:1}.review-toggle:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
  .wrong-list{display:grid;gap:7px;margin-top:12px;animation:review-expand .18s ease-out both}
  .survival-wrong-list{animation:none}
  @keyframes review-expand{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}
  .wrong-item{font-size:12px;line-height:1.4;padding:12px;border-radius:14px;background:rgba(255,255,255,.045);border:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
  .wrong-question{flex:1 1 auto;min-width:0;font-size:15px;font-weight:650;line-height:1.4;overflow-wrap:anywhere}
  .wrong-item strong{flex:0 0 auto;color:var(--gold);text-align:right}
  .wrong-item strong span{color:var(--muted);font-size:10px;font-weight:750}
  .achievement{margin-top:18px;border-radius:24px;padding:20px;background:linear-gradient(145deg,#5c35b4,#214993);border:1px solid rgba(255,255,255,.16);box-shadow:var(--shadow)}
  .achievement h3{text-align:center;font-size:22px;margin:0 0 10px}
  .achievement-score{text-align:center}
  .achievement-score strong{display:block;font-size:40px;line-height:1;color:var(--gold);font-weight:1000}
  .achievement-score span{display:block;margin-top:4px;color:#d8d2ff;font-size:11px;font-weight:850;letter-spacing:1px}
  .achievement-details{display:grid;gap:9px;margin-top:17px;padding-top:14px;border-top:1px solid rgba(255,255,255,.14)}
  .achievement-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;font-size:12px;line-height:1.4}
  .achievement-row>span,.achievement-topics>span{color:#c9c3e8}
  .achievement-row b{text-align:right}
  .achievement-topics{font-size:12px;line-height:1.4}
  .achievement-topics>div{display:grid;gap:6px;margin-top:7px}
  .achievement-topic{display:block;padding:7px 9px;border-radius:10px;background:rgba(255,255,255,.08);overflow-wrap:anywhere}
  .result-actions{display:grid;gap:9px}
  .result-action-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.result-action-row .btn{width:100%;min-width:0;min-height:50px;padding:12px 8px;font-size:11px;line-height:1.25}
  .result-home-full{width:100%;min-height:50px}.retry-short{display:none}
  .challenge-action{display:grid;width:100%;min-height:104px;grid-template-columns:62px minmax(0,1fr) 22px;align-items:center;gap:12px;padding:15px 17px;border:1px solid rgba(255,191,86,.50);background:linear-gradient(135deg,#b94d12,#7f294f);color:white;text-align:left;box-shadow:0 14px 34px rgba(156,55,57,.28)}
  .challenge-action-icon{display:grid;place-items:center;width:62px;height:56px}.challenge-action-icon svg{display:block;width:58px;height:44px;fill:#fff;filter:drop-shadow(0 3px 8px rgba(0,0,0,.22))}
  .challenge-action-copy{display:grid;min-width:0;gap:5px}
  .challenge-action-title{display:block;color:white!important;font-size:17px!important;font-weight:950!important;letter-spacing:.3px}
  .challenge-action-subtitle{display:block;color:rgba(255,255,255,.82)!important;font-size:11px!important;font-weight:700!important;line-height:1.4;overflow-wrap:anywhere}
  .challenge-action-arrow{font-size:35px;font-weight:500;line-height:1}
  .challenge-share-cues{display:flex;align-items:center;justify-content:flex-start;gap:5px!important;color:white!important}
  .challenge-share-cues img{display:block;width:18px;height:18px;padding:2px;border-radius:50%;background:#fff;object-fit:contain;filter:drop-shadow(0 2px 5px rgba(0,0,0,.24))}
  .challenge-share-cues img[src$="/share.svg"]{padding:3px;background:#5b4b8b}
  .challenge-copy-cue{display:grid!important;place-items:center;width:18px;height:18px;border-radius:50%;background:rgba(255,211,77,.18);color:var(--gold)!important;font-size:11px!important;filter:drop-shadow(0 2px 5px rgba(0,0,0,.24))}
  .community-challenge-action{display:grid;width:100%;min-height:104px;grid-template-columns:62px minmax(0,1fr) 22px;align-items:center;gap:12px;padding:15px 17px;border:1px solid rgba(131,221,255,.72);background:linear-gradient(135deg,#079eea 0%,#2657f5 48%,#7b12fa 100%);color:#fff;text-align:left;text-decoration:none;box-shadow:0 14px 34px rgba(42,71,220,.3)}
  .community-challenge-icon{position:relative;display:grid;place-items:center;width:62px;height:56px}.community-challenge-icon svg{display:block;width:58px;height:44px;fill:#fff;filter:drop-shadow(0 3px 8px rgba(0,0,0,.22))}.community-facebook-mark{position:absolute;right:-1px;bottom:0;display:grid;place-items:center;width:25px;height:25px;border:2px solid #fff;border-radius:50%;background:#1877f2;color:#fff;font:900 23px/1 Arial,sans-serif;text-transform:lowercase}
  .community-challenge-copy{display:grid;min-width:0;gap:5px}.community-challenge-copy strong{font-size:16px;font-weight:950;line-height:1.15;letter-spacing:.15px}.community-challenge-copy small{color:rgba(255,255,255,.88);font-size:11px;font-weight:700;line-height:1.4;overflow-wrap:anywhere}.community-challenge-arrow{font-size:35px;font-weight:500;line-height:1}
  .community-challenge-feedback{min-height:0;color:var(--green);font-size:12px;font-weight:850;line-height:1.45;text-align:center}.community-challenge-feedback:empty{display:none}.community-challenge-feedback>*+*{margin-top:8px}.community-copy-manual{display:block;width:100%;min-height:150px;box-sizing:border-box;padding:10px;border:1px solid rgba(177,157,242,.32);border-radius:12px;background:rgba(12,8,34,.86);color:#fff;font:600 11px/1.45 Inter,ui-sans-serif,system-ui,sans-serif;resize:vertical}.community-group-fallback{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:9px 14px;border:1px solid rgba(84,183,255,.58);border-radius:12px;background:rgba(24,119,242,.18);color:#d8edff;font-weight:850;text-decoration:none}
  .challenge-sheet{max-width:460px}
  .challenge-sheet .difficulty-header{padding:16px 16px 12px}
  .challenge-content{display:grid;gap:8px;padding-top:10px;padding-bottom:0}
  .challenge-label{display:block;color:#eeeaff;font-size:12px;font-weight:850}
  .challenge-label span{color:var(--muted);font-weight:650}
  .challenge-name{width:100%;height:44px;padding:0 13px;border:1px solid var(--line);border-radius:14px;background:rgba(7,5,24,.48);color:white;font-size:15px;outline:none}
  .challenge-name:focus{border-color:rgba(255,211,77,.65)}
  .challenge-field-error,.challenge-submit-error{color:#ffafb8;font-size:11px;line-height:1.4}.challenge-field-error:empty,.challenge-submit-error:empty{display:none}
  .challenge-expiry{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
  .challenge-expiry button{min-width:0;padding:10px 4px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.055);color:var(--muted);font-size:11px;font-weight:800}
  .challenge-expiry button.selected{border-color:var(--gold);background:rgba(255,211,77,.13);color:var(--gold)}
  .challenge-custom-expiry{display:none;gap:8px;padding:10px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.035)}.challenge-custom-expiry.visible{display:grid}.challenge-expiry-modes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.challenge-expiry-modes button{min-width:0;min-height:42px;padding:8px;border:1px solid var(--line);border-radius:11px;background:rgba(7,5,24,.35);color:var(--muted);font-size:11px;font-weight:800}.challenge-expiry-modes button.selected{border-color:rgba(84,183,255,.7);background:rgba(84,183,255,.12);color:#cbeaff}.challenge-expiry-control{display:none}.challenge-expiry-control.visible{display:grid}.challenge-expiry-control label{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:11px;font-weight:800}.challenge-expiry-control[data-expiry-control="specific"].visible{grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:8px}.challenge-expiry-control[data-expiry-control="specific"] label{display:grid;gap:4px}.challenge-expiry-control input{min-width:0;width:100%;height:44px;padding:0 11px;border:1px solid var(--line);border-radius:12px;background:rgba(7,5,24,.48);color:white;font-size:16px}.challenge-expiry-control[data-expiry-control="days"] input{max-width:110px}.challenge-deadline-preview{min-height:17px;color:#cbeaff;font-size:11px;font-weight:750}.challenge-deadline-preview:empty{display:none}
  .challenge-summary{display:grid;gap:7px;padding:12px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.045)}
  .challenge-summary-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;font-size:12px;line-height:1.4}
  .challenge-summary-row span,.challenge-summary-topics>span{color:var(--muted)}
  .challenge-summary-row b{text-align:right}
  .challenge-summary-topics{display:grid;gap:6px;font-size:12px;line-height:1.4}
  .challenge-summary-topics span:not(:first-child){display:block;padding:5px 8px;border-radius:9px;background:rgba(255,255,255,.065);overflow-wrap:anywhere}
  .challenge-creator{display:flex;justify-content:space-between;gap:12px;padding:10px 12px;border-radius:13px;background:rgba(255,255,255,.05);font-size:12px}.challenge-creator span{color:var(--muted)}.challenge-creator strong{text-align:right;overflow-wrap:anywhere}
  .challenge-link{padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:rgba(7,5,24,.38);color:#cbeaff;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .challenge-action-dock{position:sticky;bottom:0;z-index:4;display:grid;gap:6px;margin:0 -14px;padding:12px 14px max(10px,var(--bottom-nav-safe-h));background:linear-gradient(180deg,rgba(23,16,53,0),#171035 18%)}
  .challenge-panel-actions{display:grid;grid-template-columns:1fr;gap:8px}.challenge-panel-actions .btn{min-width:0;width:100%;padding:12px 8px;font-size:11px}.challenge-share-submit{display:flex;min-height:92px;flex-direction:column;align-items:center;justify-content:center;gap:4px;background:linear-gradient(135deg,#b94d12,#7f294f);color:#fff;box-shadow:0 10px 28px rgba(156,55,57,.25)}
  .challenge-share-submit.community-form-submit{background:linear-gradient(135deg,#079eea 0%,#2657f5 48%,#7b12fa 100%);box-shadow:0 10px 28px rgba(42,71,220,.28)}
  .challenge-created-details{display:grid;gap:8px;padding-top:2px}.challenge-created-details .challenge-expiry-date{margin:0}
  .challenge-created-state .challenge-expiry-label,.challenge-created-state .challenge-expiry,.challenge-created-state .challenge-custom-expiry{display:none}
  .challenge-message-preview,.challenge-opening-message{color:var(--gold);font-size:13px;font-weight:850;line-height:1.45;text-align:center}
  .challenge-share-result{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;padding:12px 13px;border:1px solid rgba(255,211,77,.22);border-radius:14px;background:rgba(255,211,77,.07);font-size:12px}.challenge-share-result strong,.challenge-current-best b{color:var(--gold)}.challenge-share-result strong{font-size:15px}
  .challenge-copy-feedback{min-height:18px;color:var(--green);text-align:center;font-size:12px;font-weight:850}.challenge-copy-feedback strong,.challenge-copy-feedback span{display:block}.challenge-copy-feedback span{margin-top:3px;color:#d8d2ff;font-weight:700}
  .share-picker-sheet{max-width:440px;max-height:min(88dvh,720px)}
  .share-picker-content{display:grid;gap:12px;padding:12px 14px max(14px,var(--bottom-nav-safe-h))}
  .challenge-share-preview{min-height:0;max-height:min(39dvh,300px);overflow-y:auto;padding:14px;border:1px solid rgba(255,211,77,.28);border-radius:18px;background:linear-gradient(145deg,rgba(84,183,255,.10),rgba(168,134,255,.09));overscroll-behavior:contain}
  .share-preview-brand{margin-bottom:10px;color:var(--gold);font-size:11px;font-weight:950;letter-spacing:.55px}
  .challenge-share-preview pre{margin:0;color:#f4f1ff;font:700 12px/1.48 Inter,ui-sans-serif,system-ui,sans-serif;white-space:pre-wrap;overflow-wrap:anywhere}
  .share-picker-label{color:var(--muted);font-size:11px;font-weight:850;text-transform:uppercase;letter-spacing:.65px}
  .share-method-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px}
  .share-method-grid button,.share-method-zalo{min-width:0;min-height:70px;padding:8px 3px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.055);color:white;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;font-size:10px;font-weight:800;cursor:pointer;overflow:hidden}
  .share-method-grid button:focus-visible,.share-method-zalo:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
  .share-method-grid img,.share-copy-icon{display:grid;place-items:center;width:31px;height:31px;border-radius:50%;background:white;object-fit:contain;padding:3px}
  .share-method-grid img[src$="/share.svg"]{padding:6px;background:#5b4b8b}.share-copy-icon{background:rgba(255,211,77,.15);color:var(--gold);font-size:19px;padding:0}
  .share-community-icon{position:relative;display:grid;place-items:center;width:37px;height:31px}.share-community-icon svg{display:block;width:37px;height:29px;fill:#fff}.share-community-icon .community-facebook-mark{right:-3px;bottom:-2px;width:16px;height:16px;border-width:1.5px;font-size:14px}.share-community-label{display:grid;gap:0;line-height:1.05;text-align:center}.share-community-label span{display:block;white-space:nowrap}
  .share-method-guidance{display:grid;gap:5px;padding:10px 11px;border:1px solid rgba(84,183,255,.2);border-radius:13px;background:rgba(84,183,255,.065);color:#eeeaff;font-size:11px;line-height:1.45}.share-method-guidance p{margin:0}.share-method-guidance strong{color:#8edaff}
  .community-confirmation-sheet{max-width:440px;max-height:min(88dvh,720px)}.community-confirmation-content{display:grid;gap:12px;padding:12px 14px max(14px,var(--bottom-nav-safe-h));overflow-y:auto}.community-confirmation-steps{display:grid;gap:6px;padding:11px 12px;border:1px solid rgba(84,183,255,.22);border-radius:14px;background:rgba(84,183,255,.07)}.community-confirmation-steps p{margin:0;color:#eeeaff;font-size:12px;line-height:1.45}.community-confirmation-steps strong{color:#8edaff}.community-copy-open-action{display:grid;width:100%;min-height:62px;grid-template-columns:48px minmax(0,1fr) 48px;align-items:center;gap:10px;padding:9px 15px;border:1px solid rgba(255,255,255,.32);border-radius:16px;background:#1877f2;color:#fff;box-shadow:0 10px 24px rgba(24,119,242,.3);text-align:center}.community-copy-open-action::after{width:48px;height:1px;content:""}.community-copy-open-action strong{font-size:15px;font-weight:950;line-height:1.2}.community-copy-open-action:disabled{opacity:.65}.community-copy-open-icon{position:relative;display:grid;place-items:center;width:45px;height:39px}.community-copy-open-icon svg{display:block;width:42px;height:32px;fill:#fff}.community-copy-open-icon .community-facebook-mark{right:-1px;bottom:-1px;width:18px;height:18px;border-width:1.5px;font-size:16px}.community-copy-feedback{min-height:0}.community-copy-feedback:empty{display:none}.community-membership-note{padding:10px 12px;border:1px solid rgba(255,211,77,.25);border-radius:13px;background:rgba(255,211,77,.07);color:#eeeaff;font-size:11px;line-height:1.45}
  .community-invite-overlay{z-index:125;align-items:center}.community-invite-sheet{position:relative;width:min(100%,420px);overflow:visible;border-color:rgba(84,183,255,.42);border-radius:26px;background:radial-gradient(250px 180px at 50% 0,rgba(82,133,255,.28),transparent 72%),linear-gradient(155deg,#2b1d63,#171035)}.community-invite-close{position:absolute;z-index:1;top:12px;right:12px}.community-invite-content{display:grid;justify-items:center;gap:10px;padding:28px 22px 22px;text-align:center}.community-invite-icon{position:relative;display:grid;place-items:center;width:72px;height:72px;border:1px solid rgba(255,255,255,.18);border-radius:24px;background:linear-gradient(145deg,rgba(84,183,255,.22),rgba(168,134,255,.2));font-size:36px}.community-invite-icon .community-facebook-mark{right:5px;bottom:5px;width:26px;height:26px;color:#fff;font-size:24px}.community-invite-content h2{max-width:330px;margin:3px 42px 0;font-size:22px;line-height:1.22}.community-invite-content p{max-width:330px;margin:0;color:#d8d2ff;font-size:13px;line-height:1.5}.community-invite-actions{display:grid;width:100%;gap:8px;margin-top:8px}.community-invite-actions .btn{display:grid;place-items:center;min-height:48px;text-decoration:none}.community-invite-actions .btn-secondary{width:100%}
  .challenge-receiver{padding-bottom:16px}
  .challenge-receiver>.challenge-summary{margin-bottom:14px}
  .challenge-expiry-date{margin:12px 0 16px;padding:10px;border-radius:12px;background:rgba(84,183,255,.09);color:#cbeaff;text-align:center;font-size:12px}
  .challenge-receiver>.challenge-name{margin:7px 0 4px}
  .challenge-receiver>#acceptChallenge{width:100%;margin-top:9px}
  .challenge-comparison{margin:18px 0;padding:16px;border:1px solid rgba(255,211,77,.25);border-radius:20px;background:rgba(255,211,77,.055)}
  .challenge-comparison h3{margin:0 0 13px;text-align:center;font-size:21px}
  .challenge-comparison-reason{margin:-4px 0 13px;color:#d8d2ff;text-align:center;font-size:12px;line-height:1.45}
  .comparison-grid{display:grid;grid-template-columns:minmax(0,1.25fr) repeat(2,minmax(0,1fr));gap:7px;align-items:center;padding:8px 0;border-top:1px solid var(--line);font-size:11px}
  .comparison-grid b{text-align:right;overflow-wrap:anywhere}
  .challenge-result-compare{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.challenge-result-compare>div{display:grid;align-content:start;gap:4px;min-width:0;padding:10px 6px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.045);text-align:center}.challenge-result-compare span{color:var(--muted);font-size:9px;font-weight:850}.challenge-result-compare strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px}.challenge-result-compare b{color:var(--gold);font-size:12px;overflow-wrap:anywhere}
  .comparison-head{border-top:0;color:var(--gold)}
  .challenge-leaderboard{margin:16px 0;padding:14px;border:1px solid rgba(255,211,77,.22);border-radius:20px;background:rgba(255,211,77,.045)}
  .challenge-leaderboard h3{margin:0 0 7px;text-align:center;font-size:17px}.leaderboard-name{margin:0 0 11px;color:#d8d2ff;text-align:center;font-size:11px;font-weight:800;overflow-wrap:anywhere}.leaderboard-list{display:grid;gap:6px}.leaderboard-row{display:grid;grid-template-columns:30px minmax(0,1fr) auto;align-items:center;gap:7px;padding:9px 10px;border-radius:12px;background:rgba(255,255,255,.045);font-size:12px}.leaderboard-row.top-three{background:rgba(255,211,77,.09)}.leaderboard-position{font-size:15px}.leaderboard-row strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.leaderboard-row b{color:var(--gold);white-space:nowrap}.leaderboard-current{display:flex;justify-content:space-between;gap:12px;margin-top:10px;padding:11px;border-top:1px solid var(--line);color:#cbeaff;font-size:12px}.leaderboard-total{margin-top:9px;color:var(--muted);text-align:center;font-size:10px}
  .new-record-celebration{position:relative;isolation:isolate;margin:16px 0;padding:18px 14px;overflow:hidden;border:1px solid rgba(255,211,77,.62);border-radius:22px;background:radial-gradient(circle at 50% 0,rgba(255,211,77,.24),transparent 56%),linear-gradient(145deg,rgba(110,64,181,.72),rgba(36,31,99,.82));box-shadow:0 0 32px rgba(255,211,77,.18);text-align:center;animation:new-record-pop 1.6s ease-out both}
  .new-record-celebration h3{margin:0;color:var(--gold);font-size:25px;line-height:1.1;text-shadow:0 0 18px rgba(255,211,77,.42)}
  .new-record-celebration p{margin:8px 0 5px;color:white;font-size:13px;font-weight:800}.new-record-celebration>strong{color:#e9e5ff;font-size:12px}
  .new-record-confetti{position:absolute;inset:0;z-index:-1;pointer-events:none}.new-record-confetti i{position:absolute;left:calc(8% + (var(--i) * 7.5%));top:-12px;width:7px;height:13px;border-radius:2px;background:hsl(calc(var(--i) * 31deg) 88% 65%);animation:new-record-confetti 1.55s calc(var(--i) * 24ms) ease-out both}
  @keyframes new-record-pop{0%{opacity:0;transform:scale(.88)}18%{opacity:1;transform:scale(1.035)}38%,100%{opacity:1;transform:scale(1)}}
  @keyframes new-record-confetti{0%{opacity:0;transform:translateY(-6px) rotate(0)}14%{opacity:1}100%{opacity:0;transform:translateY(150px) rotate(420deg)}}
  @media (prefers-reduced-motion:reduce){.new-record-celebration,.new-record-confetti i,.class-card.selected,.rank.selected,.battle-card.selected,.wrong-list{animation:none}}
  .countdown{position:fixed;inset:0;z-index:9;background:rgba(9,6,26,.90);display:grid;place-items:center;backdrop-filter:blur(10px)}
  .countdown-num{font-size:110px;font-weight:1000;color:var(--gold);text-shadow:0 0 45px rgba(255,211,77,.4);animation:pulse .7s ease}
  @keyframes pulse{0%{transform:scale(.5);opacity:0}35%{transform:scale(1.12);opacity:1}100%{transform:scale(1);opacity:1}}
  .bottom-nav{position:fixed;left:50%;bottom:0;transform:translateX(-50%);width:min(100%,480px);height:var(--bottom-nav-h);background:rgba(18,12,45,.94);backdrop-filter:blur(14px);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);z-index:20;padding-bottom:var(--bottom-nav-safe-h)}
  .about-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:14px 0 18px}.about-tabs button{min-height:50px;padding:9px 7px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.06);color:var(--muted);font:inherit;font-size:.82rem;font-weight:800;line-height:1.25}.about-tabs button.active{border-color:var(--orange);background:linear-gradient(135deg,rgba(255,122,24,.24),rgba(255,184,77,.12));color:#fff}.about-content{display:grid;gap:12px}.about-content h3{margin:12px 0 0;color:#ffd66b}.about-content p,.about-content li{line-height:1.55}.about-content ul{display:grid;gap:8px;margin:0;padding-left:22px}.about-lead{font-size:1.05rem;font-weight:700;color:#fff}.about-feature-grid,.about-guide{display:grid;gap:10px}.about-feature-grid article,.about-guide>article,.about-note{padding:14px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.055)}.about-feature-grid article p,.about-guide article p{margin:7px 0 0}.about-note{border-color:rgba(255,190,76,.45);background:rgba(255,180,42,.1)}.about-note b{color:#ffd66b}.feature-development{display:grid;gap:7px}.feature-status{justify-self:start;padding:4px 9px;border:1px solid rgba(255,211,107,.55);border-radius:999px;background:rgba(255,211,107,.12);color:#ffd66b;font-size:.72rem;font-weight:800}.about-external-link{color:#ffd66b;text-decoration:underline;text-underline-offset:2px}.about-external-link:focus-visible{outline:3px solid #ffd66b;outline-offset:2px}
  .about-lead-block,.about-value-grid>article{padding:15px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.045)}.about-grade-grid,.about-value-grid{display:grid;gap:10px}.about-accordion{border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.045);overflow:hidden;scroll-margin-top:16px}.about-accordion>button{display:flex;width:100%;min-height:48px;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:0;background:transparent;color:#fff;font:inherit;text-align:left}.about-accordion>button:focus-visible,.about-link:focus-visible,.guide-images button:focus-visible{outline:3px solid #ffd66b;outline-offset:2px}.about-accordion>div{padding:0 14px 14px}.about-accordion>div[hidden]{display:none}.about-value-grid h4,.guide-article h4{margin:8px 0;color:#fff}.about-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:8px}.about-link{min-height:44px;padding:10px 13px;border:1px solid var(--orange);border-radius:12px;background:rgba(255,122,24,.14);color:#fff;font:inherit;font-weight:800;text-align:left}.guide-group{display:block;border-color:rgba(255,211,77,.35);background:rgba(255,211,77,.055)}.guide-group>button{color:#ffd66b;font-size:1rem}.guide-group-panel{display:grid;gap:10px}.guide-article{background:rgba(255,255,255,.045)}.guide-article ol{display:grid;gap:8px;padding-left:23px}.guide-table-wrap{margin:12px 0;overflow:hidden;border:1px solid var(--line);border-radius:12px}.guide-answer-table{width:100%;table-layout:fixed;border-collapse:collapse;font-size:.72rem;line-height:1.45}.guide-answer-table th,.guide-answer-table td{min-height:52px;padding:12px 7px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);overflow-wrap:anywhere;text-align:left;vertical-align:top}.guide-answer-table th:nth-child(1),.guide-answer-table td:nth-child(1){width:29%;white-space:nowrap;overflow-wrap:normal}.guide-answer-table th:nth-child(2),.guide-answer-table td:nth-child(2){width:22%;white-space:nowrap;overflow-wrap:normal}.guide-answer-table th:nth-child(3),.guide-answer-table td:nth-child(3){width:49%}.guide-answer-table th{background:rgba(255,211,77,.16);color:#ffd66b}.guide-answer-table th:last-child,.guide-answer-table td:last-child{border-right:0}.guide-answer-table tbody tr:last-child td{border-bottom:0}.guide-images{display:grid;gap:10px;margin-top:12px}.guide-images figure{margin:0}.guide-images button{display:block;width:100%;padding:0;border:0;border-radius:12px;overflow:hidden;background:#0d0921}.guide-images img{display:block;width:100%;height:auto}.guide-images figcaption{padding:7px 2px;color:var(--muted);font-size:.76rem;line-height:1.4}.guide-actions{justify-content:center;text-align:center}.guide-lightbox{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:50px 12px 12px;background:rgba(5,3,16,.94)}.guide-lightbox img{max-width:100%;max-height:calc(100dvh - 64px);object-fit:contain}.guide-lightbox>button{position:absolute;top:max(10px,env(safe-area-inset-top));right:12px;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:#211944;color:#fff;font-size:26px}
  .guide-article .about-note{margin:15px 0;padding:9px 14px}.guide-platform,.guide-faq{margin-top:10px}.guide-platform>summary,.guide-faq>summary{display:flex;min-height:48px;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;color:#fff;cursor:pointer;list-style:none}.guide-platform>summary::-webkit-details-marker,.guide-faq>summary::-webkit-details-marker{display:none}.guide-platform>summary span::before,.guide-faq>summary span::before{content:"+"}.guide-platform[open]>summary span::before,.guide-faq[open]>summary span::before{content:"−"}.guide-faq>div>p{margin:0}.guide-platform>.guide-images,.guide-platform>div>.guide-images{margin-bottom:2px}.guide-images{justify-items:center}.guide-images figure{width:100%;text-align:center}.guide-images button{max-width:320px;margin-inline:auto}.guide-images img{margin-inline:auto}.guide-images figcaption{max-width:320px;margin-inline:auto;text-align:center}
  .intro-section{border-color:rgba(255,211,77,.35);background:rgba(255,211,77,.055)}.intro-section>button{color:#ffd66b;font-size:1rem}
  @media(min-width:760px){.about-grade-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.about-feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.about-feature-grid .feature-development{grid-column:1/-1}.about-value-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-images{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-platform .guide-images{grid-template-columns:minmax(0,1fr)}}
  .nav-item{display:flex;min-width:0;border:0;background:none;flex-direction:column;justify-content:center;align-items:center;gap:3px;padding:4px 2px;color:#8f89b4;font:inherit;font-size:9px;line-height:1.15;text-align:center}
  .nav-item.active{color:var(--gold)}
  .nav-icon{font-size:20px}
  .my-challenge-list{display:grid;gap:10px;margin-top:14px}.my-challenge-card{border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.045);overflow:hidden}.my-challenge-toggle{display:flex;width:100%;align-items:center;justify-content:space-between;gap:10px;padding:14px;border:0;background:none;color:#fff;text-align:left}.my-challenge-toggle>span{display:grid;min-width:0;gap:4px}.my-challenge-toggle strong,.my-challenge-toggle small{overflow-wrap:anywhere}.my-challenge-toggle small{color:var(--muted);font-size:10px}.my-challenge-detail{display:grid;gap:9px;padding:0 14px 14px;border-top:1px solid var(--line);padding-top:12px}.my-challenge-top{display:grid;gap:7px}.my-challenge-top h3{margin:4px 0 0;font-size:14px}.local-history-note{display:grid;gap:6px;margin:14px 4px 0;color:var(--muted);font-size:11px;line-height:1.5;text-align:center}.local-history-note strong{color:#fff;font-size:12px}.local-history-note .btn{width:100%;margin-top:4px}.empty-state{display:grid;place-items:center;gap:8px;margin-top:20px;padding:28px 18px;border:1px dashed var(--line);border-radius:20px;text-align:center}.empty-state>div{font-size:36px}.empty-state h3,.empty-state p{margin:0}.empty-state p{color:var(--muted);font-size:12px;line-height:1.5}
  .feedback-screen{padding-bottom:16px}.feedback-screen .section-head p{max-width:none;text-align:left}.feedback-form{display:grid;gap:14px;margin-top:14px;padding:15px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.045)}.feedback-form label{display:grid;gap:7px;color:#eeeaff;font-size:12px;font-weight:850}.feedback-form select,.feedback-form textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:13px;background:#15102f;color:#fff;font:inherit;outline:none}.feedback-form textarea{resize:vertical;min-height:130px;line-height:1.5}.feedback-upload span{color:var(--muted);font-size:10px;font-weight:650}.feedback-upload input{max-width:100%;color:var(--muted);font-size:11px}.feedback-previews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.feedback-preview{position:relative;aspect-ratio:1;border-radius:12px;overflow:hidden;background:#0d0921}.feedback-preview img{width:100%;height:100%;object-fit:cover}.feedback-preview button{position:absolute;top:4px;right:4px;width:25px;height:25px;border:0;border-radius:50%;background:rgba(9,6,26,.85);color:#fff;font-size:17px}
  .toast{position:fixed;left:50%;bottom:84px;transform:translateX(-50%);z-index:130;width:min(calc(100% - 28px),440px);padding:12px 14px;border-radius:14px;background:#f7f5ff;color:#21183e;font-size:12px;font-weight:750;box-shadow:var(--shadow);animation:toast 2.6s ease forwards}
  @keyframes toast{0%{opacity:0;transform:translate(-50%,12px)}10%,80%{opacity:1;transform:translate(-50%,0)}100%{opacity:0;transform:translate(-50%,8px)}}
  .challenge-share-toast{bottom:max(88px,calc(env(safe-area-inset-bottom) + 72px));z-index:130;width:max-content;max-width:calc(100% - 40px);padding:9px 12px;border:1px solid rgba(255,211,77,.38);border-radius:999px;background:#2c2151;color:#fff;text-align:center;font-size:11px;line-height:1.35;box-shadow:0 8px 22px rgba(0,0,0,.28);animation:toast 2.6s ease forwards}
  .spacer{height:10px}
  @media (max-width:699px) and (max-height:820px){
    .share-picker-sheet{max-height:calc(100dvh - 16px)}
    .share-picker-sheet .difficulty-header{padding:13px 14px 10px}.share-picker-sheet .difficulty-header p{margin-top:3px}
    .share-picker-content{gap:8px;padding-top:9px}.challenge-share-preview{max-height:30dvh;padding:11px}.challenge-share-preview pre{font-size:11px;line-height:1.4}
    .share-method-grid button,.share-method-zalo{min-height:62px}.share-method-grid img,.share-copy-icon{width:28px;height:28px}
    .game-screen{padding-top:4px}
    .game-screen .game-top{min-height:82px}
    .game-screen .timer{width:70px;height:70px}
    .game-screen .game-timer-stack{width:108px}
    .game-screen .game-mode-name{margin-top:3px;font-size:8px}
    .game-screen .game-meta{margin-top:3px;font-size:11px}
    .game-screen .qcard{min-height:0;margin-top:4px;padding:10px 12px 11px;border-radius:22px}
    .game-screen .qtopic,.game-screen .qrank{padding:4px 7px;font-size:10px}
    .game-screen .question{margin:10px 0 9px;font-size:29px}
    .game-screen .answer{height:46px;font-size:24px}
    .game-screen .keypad{gap:5px;margin-top:4px}
    .game-screen .key{height:47px;border-radius:12px;font-size:18px}
    .game-screen .game-submit-grid{grid-template-rows:repeat(2,minmax(44px,auto));gap:5px;margin-top:6px}.game-screen .game-submit-grid .btn,.game-screen .game-mode-placeholder{min-height:44px;padding:7px 4px}
    .game-screen .game-view-answer{font-size:10px;line-height:1.1}
    .game-screen .game-actions{margin-top:8px}.game-screen .timed-actions{margin-top:12px}
    .game-screen .game-actions .btn{min-height:44px;padding:9px 8px}
  }
  @media (max-width:380px){.retry-long{display:none}.retry-short{display:inline}.result-action-row .btn{font-size:10px}.hero{padding-top:4px}.challenge-action,.community-challenge-action{grid-template-columns:52px minmax(0,1fr) 17px;gap:9px;padding:13px 12px}.challenge-action-icon,.community-challenge-icon{width:52px}.challenge-action-icon svg,.community-challenge-icon svg{width:50px}.challenge-action-title,.community-challenge-copy strong{font-size:14px!important}.challenge-action-subtitle,.community-challenge-copy small{font-size:10px!important}.challenge-action-arrow,.community-challenge-arrow{font-size:29px}.community-invite-content{padding:26px 16px 18px}.community-invite-content h2{margin-inline:38px;font-size:19px}}
  @media (max-width:350px){.share-method-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.share-method-grid button,.share-method-zalo{min-height:58px}}
  @media (max-width:699px) and (max-height:620px){
    .app:has(.game-screen) .topbar{height:calc(52px + env(safe-area-inset-top))}
    .game-screen{min-height:calc(100dvh - 52px - env(safe-area-inset-top) - max(8px,env(safe-area-inset-bottom)));padding-top:0}
    .game-screen .game-top{min-height:64px}
    .game-screen .timer{width:58px;height:58px}
    .game-screen .game-timer-stack{width:94px}
    .game-screen .game-meta{margin-top:0;font-size:10px;line-height:1.2}
    .game-screen .qcard{margin-top:3px;padding:7px 10px;border-radius:20px}
    .game-screen .question{margin:4px 0;font-size:25px}
    .game-screen .answer{height:42px;font-size:22px}
    .game-screen .keypad{gap:4px;margin-top:4px}
    .game-screen .game-submit-grid{margin-top:6px}
    .game-screen .timed-actions{margin-top:10px}
  }
  @media (min-width:700px){body{padding:20px 0}.app{min-height:880px;padding-bottom:92px;border:1px solid rgba(255,255,255,.08);border-radius:32px;overflow:hidden;box-shadow:0 40px 100px rgba(0,0,0,.38)}.app:has(.home-screen){height:calc(100dvh - 40px);min-height:0;padding-bottom:0}.home-screen{height:calc(100dvh - 41px - var(--topbar-h));min-height:0}.selection-screen{height:calc(100dvh - 41px - var(--topbar-h) - var(--bottom-nav-h))}.bottom-nav{bottom:20px;border-radius:0 0 32px 32px}.difficulty-overlay{align-items:center}.difficulty-sheet{border-radius:26px}}
  @media (min-width:700px){.app:not(:has(.hero)){border-color:transparent;box-shadow:none}.app:not(:has(.hero)) .topbar{top:20px}body:not(:has(.hero))::before{height:calc(20px + var(--topbar-h) + 14px)}}
  @media (max-width:699px){.app:not(:has(.hero)):has(input:focus,textarea:focus,select:focus) .topbar{position:absolute}body:not(:has(.hero)):has(input:focus,textarea:focus,select:focus)::before{position:absolute}}
.assignment-screen{padding-bottom:110px}.assignment-panel{margin:14px 0;padding:15px;border:1px solid rgba(167,142,255,.22);border-radius:20px;background:linear-gradient(155deg,rgba(51,35,104,.92),rgba(26,18,61,.96));box-shadow:0 14px 34px rgba(0,0,0,.2);color:var(--text)}
.assignment-entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}.assignment-entry-card{display:grid;grid-template-rows:auto auto 1fr;place-items:center;gap:8px;min-width:0;min-height:156px;padding:18px 12px;border:1px solid rgba(167,142,255,.26);border-radius:20px;background:linear-gradient(155deg,rgba(51,35,104,.92),rgba(26,18,61,.96));box-shadow:0 14px 34px rgba(0,0,0,.2);color:var(--text);font:inherit;text-align:center}.assignment-entry-card:hover{border-color:rgba(255,204,57,.52)}.assignment-entry-primary{border-color:rgba(255,204,57,.38)}.assignment-entry-icon{font-size:34px;line-height:1}.assignment-entry-card strong{font-size:18px}.assignment-entry-card small{color:var(--muted);font-size:12px;line-height:1.4}
.assignment-history-entry{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;width:100%;margin-top:12px;padding:12px 14px;border:1px solid rgba(167,142,255,.2);border-radius:15px;background:rgba(34,24,73,.62);color:var(--text);font:inherit;text-align:left}.assignment-history-entry>span:first-child{font-size:22px}.assignment-history-entry>span:nth-child(2){display:grid;gap:2px}.assignment-history-entry small{color:var(--muted);font-size:11px}.assignment-history-entry>b{color:var(--muted);font-size:24px}.assignment-history-note{margin:12px 0;padding:0 2px;color:var(--muted);font-size:11px;line-height:1.5;opacity:.9}.assignment-history-list{display:grid;gap:10px}.assignment-history-card{display:grid;gap:12px;padding:14px;border:1px solid rgba(167,142,255,.22);border-radius:16px;background:linear-gradient(155deg,rgba(51,35,104,.92),rgba(26,18,61,.96))}.assignment-history-card h3,.assignment-history-card p{margin:0 0 5px}.assignment-history-card p,.assignment-history-card small{color:var(--muted);font-size:12px;line-height:1.4}.assignment-history-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.assignment-history-actions .btn{min-width:0}.assignment-history-empty{text-align:center}.assignment-history-empty>span{font-size:34px}.assignment-history-empty h3{margin-bottom:5px}.assignment-history-empty p{margin:0;color:var(--muted);font-size:13px}
.assignment-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:12px 10px}.assignment-form>*{min-width:0;height:100%;box-sizing:border-box}.assignment-form label,.assignment-publish label{display:grid;gap:6px;font-weight:750;font-size:13px;color:rgba(248,247,255,.9)}.assignment-form>label,.assignment-form>.assignment-field{grid-template-rows:auto minmax(44px,1fr);align-content:stretch}
.assignment-form input,.assignment-form select,.assignment-publish input,.assignment-multiselect summary{width:100%;min-width:0;box-sizing:border-box;min-height:44px;padding:10px 12px;border:1px solid rgba(177,157,242,.32);border-radius:12px;background:rgba(12,8,34,.62);color:var(--text);font:inherit;outline:none}
.assignment-form>label,.assignment-form>.assignment-field{grid-template-rows:34px minmax(44px,1fr)}
.assignment-form input::placeholder,.assignment-publish input::placeholder{color:rgba(248,247,255,.47)}.assignment-form input:focus,.assignment-form select:focus,.assignment-publish input:focus,.assignment-multiselect[open] summary{border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,204,57,.12)}
.assignment-field{display:grid;gap:6px}.assignment-form>label>input,.assignment-form>label>select,.assignment-form>.assignment-field>select,.assignment-form>.assignment-field>.assignment-picker-button,.assignment-form>.assignment-field>.assignment-choice-picker,.assignment-form>.assignment-field>.assignment-choice-picker>summary{height:100%}.assignment-label{font-size:13px;font-weight:750;color:rgba(248,247,255,.9)}.assignment-multiselect{position:relative}.assignment-multiselect summary{display:flex;align-items:center;justify-content:space-between;cursor:pointer;list-style:none;font-weight:600}.assignment-multiselect summary::-webkit-details-marker{display:none}.assignment-multiselect[open] summary span{transform:rotate(180deg)}.assignment-multiselect[data-disabled]{opacity:.55;pointer-events:none}
.assignment-topic-options{display:grid;gap:3px;max-height:250px;overflow:auto;margin-top:6px;padding:7px;border:1px solid rgba(177,157,242,.28);border-radius:12px;background:#21164b;box-shadow:0 15px 32px rgba(0,0,0,.34)}.assignment-topic-options label{display:grid!important;grid-template-columns:18px 1fr!important;align-items:center;gap:9px!important;padding:8px;border-radius:8px;font-weight:550!important}.assignment-topic-options label:hover{background:rgba(255,255,255,.07)}.assignment-topic-options input{width:18px!important;min-height:18px!important;margin:0}
.assignment-rank-field{display:grid;gap:6px}.assignment-rank-label-row{display:flex;align-items:center;justify-content:space-between;gap:6px}.assignment-difficulty-link{width:auto;margin:0;padding:2px 0;border:0;background:transparent;color:var(--muted);font-size:11px}.assignment-difficulty-link:not(:disabled):hover{color:var(--gold)}.assignment-difficulty-link:disabled{opacity:.45}.assignment-field-result{width:100%;margin-top:5px;padding:7px 9px;border:1px solid rgba(177,157,242,.22);border-radius:9px;background:rgba(255,255,255,.045);color:var(--muted);font-size:11px;text-align:left}.assignment-help{margin:0;color:rgba(248,247,255,.62);font-size:12px;line-height:1.4}
.assignment-value-sheet{width:min(100%,360px);max-height:min(78dvh,520px);border-radius:22px}.assignment-value-content{display:grid;gap:12px;padding:16px}.assignment-value-content input{width:100%;min-width:0;box-sizing:border-box;min-height:46px;padding:10px 12px;border:1px solid rgba(177,157,242,.32);border-radius:12px;background:rgba(12,8,34,.72);color:var(--text);font:inherit;color-scheme:dark}.assignment-value-content input:focus{border-color:var(--gold);outline:none;box-shadow:0 0 0 3px rgba(255,204,57,.12)}
.assignment-picker-button,.assignment-choice-picker summary{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:44px;box-sizing:border-box;padding:10px 12px;border:1px solid rgba(177,157,242,.32);border-radius:12px;background:rgba(12,8,34,.62);color:var(--text);font:inherit;text-align:left;cursor:pointer;list-style:none}.assignment-picker-button span,.assignment-choice-picker summary span{margin-left:8px}.assignment-picker-locked{opacity:.62}.assignment-choice-picker{position:relative;min-width:0}.assignment-choice-picker summary::-webkit-details-marker{display:none}.assignment-choice-picker[open] summary{border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,204,57,.12)}.assignment-choice-menu{position:absolute;z-index:45;top:calc(100% + 5px);right:0;left:0;display:grid;gap:4px;padding:7px;border:1px solid rgba(177,157,242,.3);border-radius:12px;background:#21164b;box-shadow:0 15px 32px rgba(0,0,0,.4)}.assignment-choice-menu button{min-height:40px;padding:8px 10px;border:0;border-radius:8px;background:transparent;color:var(--text);text-align:left}.assignment-choice-menu button:hover{background:rgba(255,255,255,.08)}
.assignment-number-picker{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 44px;min-height:44px;height:100%;align-items:stretch}.assignment-number-picker>input{height:100%;min-height:44px!important;margin:0;border-radius:12px 0 0 12px!important}.assignment-number-picker details{position:relative;height:100%;min-height:44px;margin:0}.assignment-number-picker summary{display:grid;place-items:center;width:44px;height:100%;min-height:44px;box-sizing:border-box;margin:0;padding:0;border:1px solid rgba(177,157,242,.32);border-left:0;border-radius:0 12px 12px 0;background:rgba(24,16,55,.92);color:var(--text);font-size:16px;line-height:1;cursor:pointer;list-style:none}.assignment-number-picker summary::-webkit-details-marker{display:none}.assignment-number-picker details[data-disabled]{pointer-events:none;opacity:.5}.assignment-number-menu{position:absolute;z-index:46;top:calc(100% + 5px);right:0;display:grid;grid-template-columns:repeat(2,56px);gap:4px;padding:7px;border:1px solid rgba(177,157,242,.3);border-radius:12px;background:#21164b;box-shadow:0 15px 32px rgba(0,0,0,.4)}.assignment-number-menu button{min-height:40px;border:0;border-radius:8px;background:rgba(255,255,255,.06);color:var(--text);font-weight:750}.assignment-number-menu button:hover{background:rgba(255,255,255,.12)}
.assignment-topic-sheet{width:min(100%,430px);max-height:min(82dvh,650px);border-radius:24px;overflow:hidden}.assignment-topic-popup-list{display:grid;gap:4px;max-height:52dvh;overflow:auto;padding:10px 14px}.assignment-topic-popup-list label{display:grid;grid-template-columns:22px 1fr;align-items:center;gap:10px;min-height:42px;padding:7px;border-radius:10px}.assignment-topic-popup-list label:hover{background:rgba(255,255,255,.07)}.assignment-topic-popup-list input{width:19px;height:19px}.assignment-topic-popup-footer{padding:10px 14px 14px}.assignment-topic-popup-footer .btn{width:100%}
.assignment-panel-head,.assignment-question-actions,.assignment-code-grid{display:flex;gap:9px;align-items:center;justify-content:space-between}.assignment-panel-head h3{margin:0}.assignment-generate{margin-top:16px}.assignment-review-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin:0 0 12px}.assignment-review-actions .btn{min-height:44px}.assignment-nowrap{white-space:nowrap}.assignment-question-list+.assignment-review-actions{margin:12px 0 0}.assignment-question-list{display:grid;gap:8px}.assignment-question{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:8px 12px;padding:11px 12px;border:1px solid rgba(177,157,242,.2);border-radius:14px;background:rgba(8,5,27,.35)}.assignment-question-copy{display:flex;align-items:center;justify-content:space-between;gap:16px;min-width:0}.assignment-question-text{flex:1 1 auto;min-width:0;overflow:hidden;color:var(--text);font-size:18px;font-weight:650}.assignment-question-copy>small{flex:0 0 auto;color:var(--text);font-size:15px;font-weight:650}.assignment-question-copy small strong{font-weight:inherit}.assignment-question-actions{grid-column:1/-1;justify-content:flex-start;margin:0;padding-top:4px}.assignment-question-actions button{min-height:34px;padding:6px 9px;border:1px solid rgba(177,157,242,.3);border-radius:9px;background:rgba(255,255,255,.06);color:var(--text);font-size:11px}.assignment-back-link{margin:4px 0 6px;padding:5px 0;border:0;background:transparent;color:var(--muted);font-weight:750}.assignment-confirm-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.assignment-confirm-meta>div{display:grid;gap:3px;padding:10px;border-radius:12px;background:rgba(8,5,27,.35)}.assignment-confirm-meta span{color:var(--muted);font-size:11px}.assignment-confirm-meta b{font-size:13px;overflow-wrap:anywhere}
.assignment-published-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:14px 0;text-align:left}.assignment-published-meta>div{display:grid;min-width:0;gap:3px;padding:10px;border-radius:12px;background:rgba(8,5,27,.35)}.assignment-published-meta span{color:var(--muted);font-size:11px}.assignment-published-meta b{overflow-wrap:anywhere}.assignment-published-actions,.assignment-dialog-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.assignment-published-actions .btn,.assignment-dialog-actions .btn{min-width:0;min-height:46px}.assignment-published-home{width:100%;margin-top:22px}.assignment-copy-options{display:grid;gap:10px;margin-top:14px}.assignment-copy-options button{display:grid;width:100%;gap:4px;padding:14px;border:1px solid rgba(177,157,242,.3);border-radius:13px;background:rgba(255,255,255,.07);color:var(--text);text-align:left}.assignment-copy-options strong{font-size:14px}.assignment-copy-options small{display:block;color:var(--muted);font-size:12px}.assignment-dialog-actions{margin-top:14px}
.assignment-preview{margin-top:12px;padding:13px;border:1px dashed rgba(255,204,57,.42);border-radius:14px;background:rgba(255,204,57,.06)}.assignment-publish{margin-top:16px;padding-top:16px;border-top:1px solid rgba(177,157,242,.2)}.assignment-code-note{margin-bottom:13px;padding:12px;border:1px solid rgba(255,204,57,.28);border-radius:13px;background:rgba(255,204,57,.07)}.assignment-code-note>b{display:block;margin-bottom:7px;color:var(--gold);font-size:13px}.assignment-code-note p{margin:4px 0;color:rgba(248,247,255,.78);font-size:12px;line-height:1.4}.assignment-code-note .assignment-code-warning{margin-top:8px;padding-top:8px;border-top:1px solid rgba(255,204,57,.2);color:#ffd46a;font-weight:800}.assignment-code-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}.assignment-code-grid>label{min-width:0}.assignment-code-grid+.challenge-submit-error{margin-top:10px}.assignment-publish>.btn{margin-top:12px}.assignment-warning{padding:10px;border-radius:10px;background:rgba(255,188,59,.13);color:#ffd46a}.assignment-success{text-align:center}.assignment-link{overflow-wrap:anywhere;margin:14px 0;padding:12px;border-radius:10px;background:rgba(255,255,255,.06)}
.competition-builder-publish{grid-column:1/-1}.assignment-code-helper{display:block;margin-top:8px;color:var(--muted);font-size:12px;line-height:1.4}
@media(max-width:600px){.assignment-panel-head{align-items:stretch;flex-direction:column}.assignment-panel-head .btn{width:100%}.assignment-generate{margin-top:14px}.assignment-question{grid-template-columns:1fr}.assignment-question-copy{align-items:center;flex-direction:row;gap:8px}.assignment-question-actions{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.assignment-question-actions button{width:100%}}@media(max-width:380px){.assignment-form,.assignment-review-actions,.assignment-confirm-meta{grid-template-columns:1fr}.assignment-code-grid{gap:7px}.competition-builder-publish .assignment-code-grid{grid-template-columns:1fr;gap:10px}.assignment-publish input{padding-inline:8px;font-size:12px}}@media(min-width:700px){.assignment-panel{padding:18px}}
.assignment-history-actions{grid-template-columns:1fr}.assignment-copy-manual{width:100%;min-height:180px;box-sizing:border-box;padding:12px;border:1px solid rgba(177,157,242,.32);border-radius:12px;background:rgba(12,8,34,.72);color:var(--text);font:inherit;line-height:1.45;resize:vertical}
.assignment-latest-table{width:100%;overflow:hidden}.assignment-latest-row{display:grid;grid-template-columns:58px minmax(0,1.5fr) minmax(0,1fr) minmax(56px,.8fr) 44px;align-items:center;gap:6px;width:100%;box-sizing:border-box;padding:9px 10px;border:0;border-bottom:1px solid rgba(177,157,242,.14);background:transparent;color:var(--text);font:inherit;text-align:left}.assignment-latest-row.heading{color:var(--muted);font-size:11px;font-weight:800}.assignment-latest-row:not(.heading){cursor:pointer}.assignment-latest-row:not(.heading):hover{background:rgba(255,255,255,.05)}.assignment-latest-row>span,.assignment-latest-row>strong{min-width:0;overflow-wrap:anywhere}.assignment-latest-row>span:last-child{color:var(--gold);font-weight:800;text-align:right}.assignment-latest-competition .assignment-latest-row{grid-template-columns:48px minmax(140px,1fr) 122px minmax(72px,.7fr) 52px;gap:8px}.assignment-latest-competition.assignment-latest-survival .assignment-latest-row{grid-template-columns:48px minmax(140px,1fr) 122px minmax(96px,.85fr) minmax(86px,.72fr) 52px}.assignment-latest-date{font-variant-numeric:tabular-nums}.assignment-latest-competition .assignment-latest-date{white-space:nowrap}@media(max-width:600px){.assignment-latest-row.heading{display:none}.assignment-latest-row:not(.heading){grid-template-columns:32px minmax(0,1fr) auto;align-items:center;gap:4px 8px;padding:9px 8px}.assignment-latest-row:not(.heading)>[data-label]{display:block;min-width:0;padding:0;border-radius:0;background:transparent;font-size:11px}.assignment-latest-row:not(.heading)>[data-label]::before{content:none}.assignment-latest-index{grid-column:1;grid-row:1;color:var(--gold);font-weight:800}.assignment-latest-name{grid-column:2;grid-row:1;padding:0;font-size:13px;line-height:1.25;overflow-wrap:anywhere}.assignment-latest-date{grid-column:1/4;grid-row:2;color:var(--muted);white-space:nowrap}.assignment-latest-metric{grid-column:1/3;grid-row:3;justify-self:start;white-space:nowrap}.assignment-latest-duration{grid-column:3;grid-row:3;justify-self:end;color:var(--muted);white-space:nowrap}.assignment-latest-open{grid-column:3;grid-row:1;align-self:stretch;display:grid!important;place-items:center;min-width:44px!important;padding:4px 6px!important;color:var(--gold);font-weight:800}}@media(max-width:340px){.assignment-latest-row:not(.heading){grid-template-columns:30px minmax(0,1fr) 42px;gap:4px 6px;padding:8px 6px}.assignment-latest-name{font-size:12px}.assignment-latest-date,.assignment-latest-metric,.assignment-latest-duration{font-size:10px}.assignment-latest-open{min-width:42px!important;padding-inline:3px!important}}
.competition-leader-message{margin:12px 0;color:var(--gold);font-weight:850;text-align:center}

.assignment-collapsible{margin:12px 0;border:1px solid rgba(177,157,242,.22);border-radius:14px;background:rgba(8,5,27,.24);overflow:hidden}.assignment-collapsible>summary{padding:12px 14px;color:var(--text);font-weight:800;cursor:pointer;list-style:none}.assignment-collapsible>summary::-webkit-details-marker{display:none}.assignment-collapsible>summary::after{content:"+";float:right;color:var(--muted)}.assignment-collapsible[open]>summary::after{content:"−"}.assignment-collapsible>.assignment-result-block,.assignment-collapsible>.assignment-answer-detail{margin:0;border:0;border-radius:0}.assignment-latest-list{display:grid;gap:8px;padding:0 12px 12px}.assignment-latest-list article{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:3px 10px;padding:9px 10px;border-radius:10px;background:rgba(255,255,255,.045)}.assignment-latest-list article span,.assignment-latest-list article small{color:var(--muted);font-size:11px}.assignment-latest-list article small{grid-column:1/-1}

.assignment-history-card{gap:8px;padding:11px 14px;color:var(--text);text-decoration:none}.assignment-history-card:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.task-hub-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.task-hub-grid .assignment-entry-created{grid-column:1/-1}.achievement-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:14px 0 18px}.achievement-tabs button{display:grid;align-content:start;gap:5px;min-width:0;min-height:76px;padding:10px 7px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.055);color:var(--text);font:inherit;text-align:center}.achievement-tabs button small{color:var(--muted);font-size:10px;line-height:1.3;overflow-wrap:anywhere}.achievement-tabs button.active{border-color:var(--orange);background:linear-gradient(135deg,rgba(255,122,24,.24),rgba(255,184,77,.12))}.achievement-tabs button:focus-visible{outline:2px solid var(--gold);outline-offset:2px}.assignment-history-card h3{overflow-wrap:anywhere}.achievement-screen,.assignment-history-screen{overflow-x:hidden}
@media(max-width:390px){.bottom-nav .nav-item{font-size:10px}.achievement-tabs{gap:5px}.achievement-tabs button{padding:9px 4px}.achievement-tabs button small{font-size:9px}}
@media (min-width:700px){body:not(:has(.hero))::before{height:calc(20px + var(--topbar-h))}}
.assignment-history-homework{border-left:4px solid #8f7cff;background:linear-gradient(155deg,rgba(58,43,125,.94),rgba(26,18,61,.96))}.assignment-history-competition{border-left:4px solid #ff8a26;background:linear-gradient(155deg,rgba(106,48,24,.94),rgba(47,21,41,.96))}.assignment-participant-choices{display:grid;gap:9px}.assignment-participant-choices .btn{width:100%;margin:0}
.competition-result-screen .assignment-result-metrics{max-width:430px;margin:12px auto}
.competition-manager-table{overflow-x:hidden}.competition-speed-table .assignment-teacher-row{grid-template-columns:30px minmax(72px,1.45fr) repeat(4,minmax(30px,.55fr)) minmax(30px,.48fr) 28px;gap:4px;padding-inline:6px}.competition-survival-table .assignment-teacher-row{grid-template-columns:30px minmax(82px,1.6fr) minmax(62px,.9fr) minmax(54px,.78fr) minmax(30px,.48fr) 28px;gap:5px;padding-inline:7px}.competition-manager-table .assignment-teacher-row>*{min-width:0}.competition-manager-table .heading span{font-size:.64rem;text-align:center;overflow-wrap:anywhere}@media(max-width:430px){.competition-manager-table .heading{display:none}.competition-manager-table .assignment-teacher-row:not(.heading){grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;padding:9px 6px}.competition-manager-table .assignment-teacher-row>strong{grid-column:1/-1;white-space:normal;overflow-wrap:anywhere;text-align:center}.competition-manager-table .assignment-teacher-row>[data-label]{display:grid;justify-items:center;gap:2px;min-width:0;padding:6px 2px;border-radius:8px;background:rgba(8,5,27,.42);font-size:.76rem}.competition-manager-table .assignment-teacher-row>[data-label]::before{content:attr(data-label);color:var(--muted);font-size:.56rem;font-weight:700;line-height:1}.competition-manager-table .assignment-row-open{grid-column:1/-1}}
/* v1.2.1 shared mathematical fraction presentation */
.math-fraction{display:inline-grid;grid-template-rows:auto auto;vertical-align:middle;min-width:1.45em;margin:0 .12em;text-align:center;line-height:1.05;font-variant-numeric:tabular-nums}
.math-numerator{display:block;padding:0 .16em .08em;border-bottom:2px solid currentColor}
.math-denominator{display:block;padding:.08em .16em 0}
.math-expression{display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}
.math-expression .math-operator{display:inline-block;margin-inline:.16em}
.assignment-review-question-text{flex:1 1 auto;min-width:0;overflow:hidden;color:var(--text);font-size:18px;font-weight:650}.assignment-review-question-text>.math-expression{font-size:1em}
.game-screen:has(.practice-actions){height:calc(100dvh - var(--topbar-h) - env(safe-area-inset-top) - max(8px,env(safe-area-inset-bottom)));min-height:0;overflow-y:auto;overscroll-behavior:contain;padding-bottom:max(12px,env(safe-area-inset-bottom))}
.app:has(.assignment-game-screen){padding-bottom:0}
.app:has(.assignment-game-screen) .topbar{height:calc(var(--topbar-h) + env(safe-area-inset-top));padding-top:env(safe-area-inset-top)}
.game-screen .question:has(.math-expression){height:36.8px;display:flex;align-items:center;justify-content:center}
.game-screen .math-expression{font-size:24px}
.fraction-notice{margin:12px 0;padding:10px 12px;border:1px solid rgba(255,255,255,.18);border-radius:12px;background:rgba(255,255,255,.07);font-weight:700;text-align:center}
.average-question{display:grid;justify-items:center;gap:7px;min-height:2.25em}.average-label{font-size:.48em;font-weight:750;line-height:1.2;letter-spacing:0}.average-operands{font-size:1em;line-height:1.1}.average-answer{white-space:nowrap}
@media(max-width:699px) and (max-height:820px){.game-screen .question:has(.math-expression){height:33.35px}}
@media(max-width:430px){.game-screen .question .math-fraction{min-width:1.25em;margin:0 .07em;line-height:.92}.game-screen .question .math-numerator{padding:0 .11em .03em;border-bottom-width:1.5px}.game-screen .question .math-denominator{padding:.03em .11em 0}.game-screen .average-question{gap:4px;min-height:2em}.game-screen .average-label{font-size:.5em}}

/* post27 visual correction: compact form rhythm and readable latest attempts */
.assignment-form>label,.assignment-form>.assignment-field{grid-template-rows:auto minmax(44px,1fr);row-gap:6px}
/* post28 Competition form rhythm: reuse the code-field label/control spacing */
.competition-config-form{--competition-label-control-gap:6px}
.competition-config-form .assignment-form>label,.competition-config-form .assignment-form>.assignment-field{row-gap:var(--competition-label-control-gap)}
.competition-config-form .assignment-note-field{gap:var(--competition-label-control-gap)}
.competition-config-form .assignment-difficulty-link{padding-block:0}
.assignment-latest-competition.assignment-latest-survival .assignment-latest-row{grid-template-columns:48px minmax(180px,1fr) 122px minmax(108px,.8fr) minmax(96px,.72fr) 52px;gap:10px;align-items:center}
.assignment-latest-competition.assignment-latest-survival .assignment-latest-row>:nth-child(2){min-width:0;overflow-wrap:anywhere;line-height:1.3}
.assignment-latest-competition.assignment-latest-survival .assignment-latest-row>:last-child{justify-self:end;min-width:44px}
.assignment-latest-competition.assignment-latest-survival .assignment-latest-row.heading{padding:11px 7px;background:rgba(255,255,255,.07);color:var(--text)}
.assignment-latest-competition.assignment-latest-survival .assignment-latest-row.heading>*{color:var(--text);font-size:.64rem;font-weight:800;line-height:normal}
@media(max-width:600px){
  .assignment-latest-competition.assignment-latest-survival .assignment-latest-row{display:grid;grid-template-columns:28px minmax(0,1.45fr) minmax(0,1.12fr) minmax(0,.78fr) minmax(0,.84fr) 34px;gap:5px;align-items:center;padding:10px 8px;border:0;border-top:1px solid rgba(177,157,242,.18);border-radius:0;background:transparent;box-shadow:none}
  .assignment-latest-competition.assignment-latest-survival .assignment-latest-row.heading{padding:11px 7px;border-top:0;background:rgba(255,255,255,.07)}
  .assignment-latest-competition.assignment-latest-survival .assignment-latest-row.heading>*{min-width:0;color:var(--text);font-size:.64rem;font-weight:800;line-height:normal;overflow-wrap:anywhere;text-align:left}
  .assignment-latest-competition.assignment-latest-survival .assignment-latest-row.heading>:nth-child(6)::before{content:"XEM"}
  .assignment-latest-competition.assignment-latest-survival .assignment-latest-row:not(.heading)>*{grid-area:auto!important;display:block!important;min-width:0}
  .assignment-latest-competition.assignment-latest-survival .assignment-latest-row:not(.heading)>*::before{content:none!important}
  .assignment-latest-competition.assignment-latest-survival .assignment-latest-row:not(.heading)>:nth-child(1){color:var(--gold);font-size:10px;font-weight:850}
  .assignment-latest-competition.assignment-latest-survival .assignment-latest-row:not(.heading)>:nth-child(2){color:var(--text);font-size:12px;font-weight:800;line-height:1.28;overflow-wrap:anywhere}
  .assignment-latest-competition.assignment-latest-survival .assignment-latest-row:not(.heading)>:nth-child(3){color:var(--muted);font-size:10px;line-height:1.3;white-space:normal}
  .assignment-latest-competition.assignment-latest-survival .assignment-latest-row:not(.heading)>:nth-child(4),.assignment-latest-competition.assignment-latest-survival .assignment-latest-row:not(.heading)>:nth-child(5){color:var(--text);font-size:10.5px;font-weight:750;line-height:1.25}
  .assignment-latest-competition.assignment-latest-survival .assignment-latest-row:not(.heading)>:nth-child(6){align-self:center;justify-self:end;min-width:30px;color:var(--gold);font-size:10px;font-weight:850;text-align:right}
}
@media(max-width:340px){
  .assignment-latest-competition.assignment-latest-survival .assignment-latest-row{grid-template-columns:25px minmax(0,1.4fr) minmax(0,1.08fr) minmax(0,.75fr) minmax(0,.8fr) 30px;gap:3px;padding-inline:6px}
  .assignment-latest-competition.assignment-latest-survival .assignment-latest-row.heading>*{font-size:.64rem}
  .assignment-latest-competition.assignment-latest-survival .assignment-latest-row:not(.heading)>:nth-child(2){font-size:11px}
  .assignment-latest-competition.assignment-latest-survival .assignment-latest-row:not(.heading)>:nth-child(3),.assignment-latest-competition.assignment-latest-survival .assignment-latest-row:not(.heading)>:nth-child(4),.assignment-latest-competition.assignment-latest-survival .assignment-latest-row:not(.heading)>:nth-child(5){font-size:9px}
}