:root{--bg: #050810;--bg-soft: #0a1020;--ink: #e8f4ff;--muted: #7a8ba8;--accent: #00d4ff;--accent-dim: #0099bb;--accent-glow: rgba(0, 212, 255, .35);--purple: #7b5cff;--danger: #ff4d6d;--surface: rgba(12, 18, 32, .88);--surface-solid: #0c1220;--line: rgba(0, 212, 255, .14);--line-strong: rgba(0, 212, 255, .28);--radius: 12px;--radius-sm: 8px;--radius-pill: 999px;--pad: 1.5rem;--pad-lg: 2.5rem;--control-h: 2.25rem;--font-display: "Orbitron", "Syne", sans-serif;--font-body: "Exo 2", "Manrope", system-ui, sans-serif;--space-page: clamp(1.5rem, 4vw, 3.25rem);--shadow-glow: 0 0 24px rgba(0, 212, 255, .12)}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.55;background:radial-gradient(ellipse 80% 50% at 50% -10%,rgba(0,212,255,.08),transparent),radial-gradient(ellipse 60% 40% at 100% 50%,rgba(123,92,255,.06),transparent),linear-gradient(180deg,#050810,#0a1020,#060a14);background-attachment:fixed;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:#66e8ff}button,input,select,textarea{font:inherit;color:inherit}.app-shell{max-width:1080px;margin:0 auto;padding:var(--space-page);padding-bottom:calc(var(--space-page) + 2rem)}.app-loading{min-height:40vh;display:flex;align-items:center;justify-content:center}.mission{margin:0 0 1.75rem;padding:1.1rem 1.25rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-glow);animation:rise .45s ease both}.mission p{margin:0;color:var(--muted);font-size:1.02rem;line-height:1.55;max-width:52rem}.guest-note{margin:0;color:var(--muted);font-size:.92rem}.topnav{display:flex;align-items:center;justify-content:space-between;gap:1.25rem;margin-bottom:.75rem;padding:.5rem 0 1rem;border-bottom:1px solid var(--line);animation:rise .5s ease both}.brand{display:inline-flex;align-items:center;color:var(--ink);text-decoration:none}.brand:hover{color:var(--ink)}.brand-logo{display:inline-flex;align-items:center;gap:.65rem}.brand-logo-icon{width:36px;height:36px;border-radius:10px;object-fit:cover;box-shadow:0 0 16px #00d4ff33}.brand-logo-text{font-family:var(--font-display);font-size:1.05rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;text-shadow:0 0 20px var(--accent-glow)}.platform-cover{position:relative;margin:0 calc(-1 * var(--space-page)) 1.75rem;overflow:hidden;animation:rise .45s ease both}.platform-cover:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;pointer-events:none;background:linear-gradient(180deg,rgba(5,8,16,.55) 0%,transparent 22%),linear-gradient(0deg,#050810 0%,rgba(5,8,16,.92) 12%,transparent 48%),linear-gradient(90deg,#050810 0%,transparent 10%,transparent 90%,#050810 100%)}.platform-cover img{display:block;width:100%;height:auto;aspect-ratio:8 / 3;object-fit:cover;object-position:center top;mask-image:linear-gradient(to bottom,black 0%,black 72%,transparent 100%);-webkit-mask-image:linear-gradient(to bottom,black 0%,black 72%,transparent 100%)}.auth-brand{display:grid;gap:.75rem}.auth-brand-logo .brand-logo-icon{width:56px;height:56px;border-radius:14px}.auth-brand-logo .brand-logo-text{font-size:clamp(1.6rem,5vw,2.4rem)}.brand-hero{font-family:var(--font-display);font-size:clamp(2.6rem,7vw,4.2rem);font-weight:700;letter-spacing:-.02em;line-height:.95;margin:0}.nav-links{display:flex;flex-wrap:wrap;gap:.25rem 1.1rem;align-items:center;color:var(--muted);font-size:.92rem}.nav-links a{padding:.4rem 0;border-bottom:2px solid transparent;color:var(--muted);transition:color .2s ease,border-color .2s ease}.nav-links a.active,.nav-links a:hover{color:var(--accent);border-bottom-color:var(--accent)}.nav-user,.nav-auth{display:inline-flex;align-items:center;gap:.75rem;padding-left:.85rem;margin-left:.15rem;border-left:1px solid var(--line)}.nav-user-meta{display:grid;gap:.1rem;line-height:1.2;font-size:.88rem;color:var(--ink)}.nav-user-role{font-size:.75rem;color:var(--muted);text-transform:capitalize}.lang-select{display:inline-flex;align-items:center;gap:.45rem;margin:0}.lang-select-label{font-size:.75rem;color:var(--muted);white-space:nowrap}.lang-select select,.auth-lang-select select{min-height:2rem;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-solid);color:var(--ink);padding:.3rem 1.75rem .3rem .55rem;font-size:.82rem;cursor:pointer}.lang-select select:focus,.auth-lang-select select:focus{outline:2px solid rgba(0,212,255,.25);border-color:var(--accent)}.auth-lang-select{justify-self:start}.hero{display:grid;gap:.85rem;padding:.5rem 0 2rem;animation:rise .55s ease both}.hero h1{font-family:var(--font-display);font-size:clamp(1.85rem,4vw,2.6rem);letter-spacing:.04em;line-height:1.1;margin:0;font-weight:700;text-transform:uppercase}.hero p{margin:0;color:var(--muted);max-width:36rem;font-size:1.05rem}.auth-layout{min-height:100vh;display:grid;align-content:center;max-width:520px;margin:0 auto;padding:var(--space-page);gap:2.25rem;animation:rise .55s ease both}.auth-layout .lede{color:var(--muted);margin:.75rem 0 0;max-width:28rem;font-size:1.05rem}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.35rem,3vw,2rem);box-shadow:var(--shadow-glow);animation:rise .45s ease both}.grid{display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.game-tile{display:flex;flex-direction:column;gap:0;padding:0;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);overflow:hidden;min-height:11rem;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}.game-tile-body{display:flex;flex-direction:column;gap:.65rem;padding:1rem 1.15rem 1.15rem;flex:1}.game-tile-body .social{margin-top:.35rem;padding-top:.85rem;border-top:1px solid var(--line)}.game-tile-desc{margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.game-preview{position:relative;aspect-ratio:16 / 10;background:linear-gradient(180deg,#0a1020,#050810);border-bottom:1px solid var(--line);overflow:hidden}.game-preview-skeleton{width:100%;height:100%;background:linear-gradient(110deg,#ffffff08 8%,#ffffff14 18%,#ffffff08 33%),#0a1020;background-size:200% 100%;animation:preview-shimmer 1.4s linear infinite}.game-preview-frame{position:absolute;top:0;left:0;width:400%;height:400%;transform:scale(.25);transform-origin:top left;border:0;pointer-events:none;background:#fff}.game-preview-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1}.game-preview-overlay:hover{background:#00d4ff0a}@keyframes preview-shimmer{to{background-position:-200% 0}}.game-tile:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-glow)}.game-tile h3{font-family:var(--font-display);margin:0;font-size:1rem;letter-spacing:.03em;line-height:1.25}.meta{color:var(--muted);font-size:.92rem}.tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:auto}.tag{font-size:.75rem;padding:.28rem .55rem;border-radius:6px;background:#ffffff0a;color:var(--muted);border:1px solid var(--line)}.tag.topic{background:#00d4ff1a;color:var(--accent);font-weight:600;border-color:#00d4ff40}.tag.focus{background:#7b5cff1f;color:#b8a8ff;border-color:#7b5cff40}.topic-tabs{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.topic-tab{border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:8px;padding:.55rem 1rem;cursor:pointer;font:inherit;font-family:var(--font-display);font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease}.topic-tab:hover{border-color:var(--line-strong);color:var(--ink)}.topic-tab.active{background:linear-gradient(135deg,#00d4ff33,#7b5cff33);border-color:var(--accent);color:var(--accent);box-shadow:0 0 16px var(--accent-glow)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;min-height:var(--control-h);border:1px solid var(--accent);background:linear-gradient(135deg,#00d4ff40,#7b5cff33);color:var(--ink);border-radius:var(--radius-sm);padding:.55rem 1.1rem;cursor:pointer;font-size:.92rem;line-height:1;white-space:nowrap;transition:opacity .2s ease,box-shadow .2s ease,border-color .2s ease}.btn:hover{box-shadow:0 0 20px var(--accent-glow)}.btn-sm{min-height:2rem;padding:.4rem .85rem;font-size:.85rem}.btn.secondary{background:transparent;border-color:var(--line-strong);color:var(--muted)}.btn.secondary:hover{color:var(--ink);border-color:var(--accent)}.btn.accent{background:linear-gradient(135deg,var(--accent-dim),var(--purple));border-color:transparent;color:#050810;font-weight:600}.btn.danger{background:#ff4d6d26;border-color:var(--danger);color:var(--danger)}.btn:disabled{opacity:.45;cursor:default}.form{display:grid;gap:1.1rem;max-width:100%}.form label{display:grid;gap:.45rem;font-size:.92rem;color:var(--muted)}.form input,.form select,.form textarea,.filters select,.filter-search input{border:1px solid var(--line);border-radius:8px;padding:.8rem .9rem;background:var(--surface-solid);color:var(--ink)}.form input:focus,.form select:focus,.form textarea:focus,.filters select:focus,.filter-search input:focus{outline:2px solid rgba(0,212,255,.25);border-color:var(--accent)}.row{display:flex;flex-wrap:wrap;gap:.85rem;align-items:center}.tile-actions{margin-top:auto}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:1.5rem}.stat{padding:1.25rem 1.3rem;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface)}.stat b{display:block;font-family:var(--font-display);font-size:1.55rem;letter-spacing:.04em;margin-top:.35rem;color:var(--accent)}.error{color:var(--danger);background:#ff4d6d14;border:1px solid rgba(255,77,109,.35);border-radius:8px;padding:.85rem 1rem}.player-wrap{display:grid;gap:1.25rem}.player-tools{align-items:stretch;gap:1rem}.metrics{display:flex;flex-wrap:wrap;gap:.75rem 1.75rem;padding:1rem 1.25rem;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);color:var(--muted)}.metrics span b{font-family:var(--font-display);color:var(--accent);letter-spacing:.03em}.frame{width:100%;min-height:72vh;border:1px solid var(--line-strong);border-radius:var(--radius);background:#000;box-shadow:var(--shadow-glow)}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:.95rem .65rem;border-bottom:1px solid var(--line);vertical-align:top}.table th{color:var(--muted);font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}.section-gap{margin-bottom:1.5rem}.filters{display:flex;flex-wrap:wrap;gap:.85rem 1.15rem;align-items:flex-end;margin-bottom:1.75rem;padding:1.1rem 1.2rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.filters label{display:grid;gap:.35rem;font-size:.8rem;font-weight:500;color:var(--muted);letter-spacing:.02em}.filter-search{flex:1 1 220px;min-width:200px}.filters select,.filter-search input{min-height:var(--control-h)}.filters-count{margin-left:auto;align-self:center;padding:.35rem 0;font-variant-numeric:tabular-nums}.panel+.panel{margin-top:1.25rem}.social{display:grid;gap:.75rem}.social.compact{gap:0}.social.compact .comments-panel{display:none}.social-actions{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;min-height:var(--control-h)}.social-actions-row{justify-content:flex-start;gap:.4rem}.social-actions-left{display:flex;flex-wrap:wrap;gap:.4rem;align-items:center;min-width:0}.social-actions-row .share-menu{margin-left:auto;flex-shrink:0}.social-play-btn{min-height:var(--control-h);padding:0 1rem;font-size:.82rem;font-weight:600;border-radius:var(--radius-pill)}.social-btn{border:1px solid var(--line);background:#ffffff08;color:var(--muted);border-radius:var(--radius-pill);min-height:var(--control-h);padding:0 .8rem;font-size:.82rem;cursor:pointer;transition:border-color .2s,color .2s,box-shadow .2s,background .2s;text-decoration:none;display:inline-flex;align-items:center;gap:.4rem}.social-btn svg{flex-shrink:0}.social-btn.favourite.active{border-color:#f5c5428c;color:#f5c542;background:#f5c54214;box-shadow:0 0 12px #f5c54226}.social-btn:hover{border-color:var(--line-strong);color:var(--ink);background:#ffffff0d}.social-chip{display:inline-flex;align-items:center;gap:.35rem;min-height:var(--control-h);padding:0 .65rem;border-radius:var(--radius-pill);border:1px solid var(--line);background:#ffffff05;color:var(--muted);font-size:.82rem;font-variant-numeric:tabular-nums}.social-chip svg{flex-shrink:0;opacity:.85}.social-count{font-size:.85rem;color:var(--muted)}.comments-panel{border-top:1px solid var(--line);padding-top:1rem;margin-top:.25rem}.comments-title{font-family:var(--font-display);font-size:.9rem;letter-spacing:.08em;text-transform:uppercase;margin:0 0 .75rem;color:var(--accent)}.comment-form{display:grid;gap:.65rem;margin-bottom:1rem}.comment-form textarea{border:1px solid var(--line);border-radius:8px;padding:.75rem;background:var(--surface-solid);color:var(--ink);resize:vertical;min-height:4.5rem}.comment-list{list-style:none;margin:0;padding:0;display:grid;gap:.85rem}.comment-item{padding:.85rem 1rem;border:1px solid var(--line);border-radius:8px;background:#0003}.comment-item p{margin:.35rem 0 0;white-space:pre-wrap}.comment-meta{display:flex;flex-wrap:wrap;gap:.5rem 1rem;align-items:baseline}.comment-meta b{color:var(--ink)}.share-bar{display:flex;flex-wrap:wrap;align-items:center;gap:.65rem 1rem;padding:.85rem 1rem;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);flex:1 1 280px}.share-bar.compact{padding:0;border:none;background:transparent;flex:1 1 auto}.share-label{font-size:.72rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-family:var(--font-display)}.share-bar.compact .share-label{display:none}.share-actions{display:flex;flex-wrap:wrap;gap:.45rem}.share-btn{border:1px solid var(--line);background:#ffffff08;color:var(--muted);border-radius:999px;padding:.4rem .75rem;font-size:.8rem;cursor:pointer;transition:border-color .2s ease,color .2s ease}.share-btn:hover{border-color:var(--accent);color:var(--accent)}.share-btn-x{font-weight:700}.share-menu{position:relative}.share-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:var(--control-h);height:var(--control-h);padding:0;border:1px solid var(--line);border-radius:var(--radius-sm);background:#ffffff08;color:var(--muted);cursor:pointer;transition:border-color .2s ease,color .2s ease,background .2s ease}.share-icon-btn svg{display:block}.share-icon-btn:hover,.share-icon-btn[aria-expanded=true]{border-color:var(--accent);color:var(--accent);background:#00d4ff14}.share-menu-popover{position:absolute;right:0;bottom:calc(100% + .45rem);z-index:20;min-width:10rem;padding:.35rem;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface-solid);box-shadow:0 12px 32px #00000073}.share-menu-item{display:flex;align-items:center;width:100%;border:0;border-radius:6px;background:transparent;color:var(--ink);text-align:left;padding:.55rem .7rem;font-size:.86rem;cursor:pointer}.share-menu-item:hover{background:#00d4ff1a;color:var(--accent)}.tile-actions{margin-top:auto;align-items:center}.continue-section{margin-bottom:1.25rem}.continue-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.85rem}.continue-card{border:1px solid var(--line);border-radius:12px;padding:.9rem 1rem;background:#ffffff05}.continue-card h3{margin:0 0 .35rem;font-size:1rem}.score-card-panel{margin:1rem 0;padding:1.25rem;border:1px solid var(--accent-dim);border-radius:14px;background:linear-gradient(135deg,#00d4ff0f,#b8a8ff0f)}.score-card-stats{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:1rem}.score-card-preview{width:100%;max-width:520px;border-radius:10px;border:1px solid var(--line);margin-bottom:1rem}.classroom-layout{display:grid;grid-template-columns:minmax(240px,300px) 1fr;gap:1rem;align-items:start}.class-list{list-style:none;padding:0;margin:0 0 1rem}.class-pick{width:100%;text-align:left;border:1px solid var(--line);background:transparent;color:var(--text);border-radius:8px;padding:.55rem .75rem;margin-bottom:.4rem;cursor:pointer}.class-pick.active{border-color:var(--accent);color:var(--accent)}.assignment-list{list-style:none;padding:0;margin:0}.assignment-list li{padding:.5rem 0;border-bottom:1px solid var(--line)}@keyframes rise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 640px){.topnav{flex-direction:column;align-items:stretch;gap:1rem}.nav-links{width:100%}.nav-user,.nav-auth{width:100%;margin-left:0;padding-left:0;border-left:0;padding-top:.5rem;border-top:1px solid var(--line);justify-content:space-between}.player-tools{flex-direction:column}.classroom-layout{grid-template-columns:1fr}.filters-count{width:100%;margin-left:0;text-align:right}}