@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Orbitron:wght@600;700;800&display=swap");:root{--bg-primary:#0a0b0f;--bg-secondary:#10121a;--bg-card:#151821;--bg-glass:rgba(255,255,255,0.04);--border:rgba(255,255,255,0.08);--border-accent:rgba(99,179,237,0.25);--gold:#f5c518;--gold-dim:#c9a01a;--gold-glow:rgba(245,197,24,0.15);--blue:#63b3ed;--blue-dim:#3182ce;--blue-glow:rgba(99,179,237,0.12);--green:#68d391;--red:#fc8181;--purple:#b794f4;--text-primary:#f0f4ff;--text-secondary:#8899b4;--text-muted:#4a5568;--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--radius-xl:28px;--shadow-card:0 4px 24px rgba(0,0,0,0.4);--shadow-glow:0 0 20px rgba(99,179,237,0.15);--sidebar-w:240px;--topbar-h:64px;--topbar-bg:rgba(10,11,15,0.85);--transition:0.2s cubic-bezier(0.4,0,0.2,1)}[data-theme=light]{--bg-primary:#f5f6fa;--bg-secondary:#ffffff;--bg-card:#ffffff;--bg-glass:rgba(0,0,0,0.03);--border:rgba(0,0,0,0.09);--border-accent:rgba(49,130,206,0.3);--gold:#d69e00;--gold-dim:#b8860b;--gold-glow:rgba(214,158,0,0.10);--blue:#3182ce;--blue-dim:#2b6cb0;--blue-glow:rgba(49,130,206,0.08);--green:#2f855a;--red:#c53030;--purple:#805ad5;--text-primary:#1a202c;--text-secondary:#4a5568;--text-muted:#a0aec0;--shadow-card:0 2px 12px rgba(0,0,0,0.08);--shadow-glow:0 0 12px rgba(49,130,206,0.10);--topbar-bg:rgba(255,255,255,0.88)}[data-theme=light] .flashcard-back{background:linear-gradient(135deg,#e8edf5,#dfe6f0)}[data-theme=light] .sidebar-logo h1{background:linear-gradient(135deg,#b8860b,#2b6cb0);-webkit-background-clip:text;background-clip:text}[data-theme=light] .sidebar-overlay{background:rgba(0,0,0,.3)}[data-theme=light] ::-webkit-scrollbar-thumb{background:rgba(0,0,0,.15)}[data-theme=light] ::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,.25)}[data-theme=light] .reader-content .rd-table tr:hover td{background:rgba(0,0,0,.02)}[data-theme=light] .reader-content .rd-table td{border-bottom:1px solid rgba(0,0,0,.05)}[data-theme=light] .sidebar{box-shadow:2px 0 12px rgba(0,0,0,.06)}[data-theme=light] .card{box-shadow:0 1px 6px rgba(0,0,0,.06)}[data-theme=light] .avatar{background:linear-gradient(135deg,#2b6cb0,#805ad5)}[data-theme=soft-light]{--bg-primary:#cfd4dc;--bg-secondary:#d9dde4;--bg-card:#e3e6eb;--bg-glass:rgba(15,23,42,0.075);--border:rgba(51,65,85,0.18);--border-accent:rgba(30,64,175,0.30);--gold:#8a5a08;--gold-dim:#6f4209;--gold-glow:rgba(138,90,8,0.13);--blue:#1d4ed8;--blue-dim:#1e40af;--blue-glow:rgba(29,78,216,0.11);--green:#166534;--red:#991b1b;--purple:#5b21b6;--text-primary:#0f172a;--text-secondary:#334155;--text-muted:#5b6472;--shadow-card:0 3px 14px rgba(15,23,42,0.09);--shadow-glow:0 0 14px rgba(29,78,216,0.10);--topbar-bg:rgba(217,221,228,0.92)}[data-theme=soft-light] .flashcard-back{background:linear-gradient(135deg,#d2d7df,#c3c9d3)}[data-theme=soft-light] .sidebar-logo h1{background:linear-gradient(135deg,#854d0e,#1d4ed8);-webkit-background-clip:text;background-clip:text}[data-theme=soft-light] .sidebar-overlay{background:rgba(15,23,42,.24)}[data-theme=soft-light] ::-webkit-scrollbar-thumb{background:rgba(51,65,85,.18)}[data-theme=soft-light] ::-webkit-scrollbar-thumb:hover{background:rgba(51,65,85,.28)}[data-theme=soft-light] .reader-content .rd-table tr:hover td{background:rgba(15,23,42,.025)}[data-theme=soft-light] .reader-content .rd-table td{border-bottom:1px solid rgba(51,65,85,.07)}[data-theme=soft-light] .sidebar{box-shadow:2px 0 12px rgba(15,23,42,.045)}[data-theme=soft-light] .card{box-shadow:0 1px 6px rgba(15,23,42,.045)}[data-theme=soft-light] .avatar{background:linear-gradient(135deg,#2563eb,#6d28d9)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:Inter,system-ui,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none}button,input,textarea{font-family:inherit}.app-wrapper{display:flex;min-height:100vh}.main-content{flex:1;margin-left:var(--sidebar-w);padding-top:var(--topbar-h);min-height:100vh;overflow-x:hidden}.page{padding:28px 32px;max-width:1400px;margin:0 auto}.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:100;overflow-y:auto}.sidebar-logo{padding:20px 20px 16px;border-bottom:1px solid var(--border)}.sidebar-logo h1{font-family:Orbitron,sans-serif;font-size:1.1rem;font-weight:700;background:linear-gradient(135deg,var(--gold),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:.05em}.sidebar-logo p{font-size:.7rem;color:var(--text-muted);margin-top:2px}.sidebar-xp{padding:14px 20px;border-bottom:1px solid var(--border)}.xp-label{display:flex;justify-content:space-between;font-size:.72rem;color:var(--text-secondary);margin-bottom:6px}.xp-bar{height:6px;background:var(--border);overflow:hidden}.xp-bar,.xp-fill{border-radius:99px}.xp-fill{height:100%;background:linear-gradient(90deg,var(--blue-dim),var(--blue));transition:width .6s cubic-bezier(.4,0,.2,1)}.sidebar-nav{flex:1;padding:10px;display:flex;flex-direction:column;gap:2px}.nav-section-label{font-size:.65rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);padding:12px 10px 4px}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.875rem;font-weight:450;transition:all var(--transition);position:relative}.nav-item:hover{background:var(--bg-glass);color:var(--text-primary)}.nav-item.active{background:var(--blue-glow);color:var(--blue);font-weight:500}.nav-item.active:before{content:"";position:absolute;left:0;top:20%;height:60%;width:3px;background:var(--blue);border-radius:0 3px 3px 0}.nav-item .badge{margin-left:auto;background:var(--gold);color:#000;font-size:.65rem;font-weight:700;padding:1px 6px;border-radius:99px}.nav-item-expandable{background:transparent;font-family:inherit}.nav-sub-item{padding:6px 10px!important;margin-left:8px;font-size:.78rem!important;gap:8px!important}.nav-sub-item:hover{background:var(--bg-glass)}.nav-sub-items{margin-bottom:4px}@keyframes slideDown{0%{opacity:0;max-height:0;transform:translateY(-4px)}to{opacity:1;max-height:200px;transform:translateY(0)}}.sidebar-concurso{padding:14px 20px;border-top:1px solid var(--border);font-size:.75rem}.sidebar-concurso span{color:var(--text-muted);display:block;margin-bottom:4px}.sidebar-concurso strong{color:var(--gold)}.topbar{position:fixed;top:0;left:var(--sidebar-w);right:0;height:var(--topbar-h);background:var(--topbar-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;z-index:90}.topbar-left h2{font-size:1.05rem;font-weight:600}.topbar-left p{font-size:.75rem;color:var(--text-secondary);margin-top:1px}.topbar-right{gap:16px}.topbar-right,.topbar-stat{display:flex;align-items:center}.topbar-stat{gap:6px;font-size:.8rem;font-weight:500;color:var(--text-secondary)}.topbar-stat.gold{color:var(--gold)}.topbar-stat.blue{color:var(--blue)}.topbar-stat.green{color:var(--green)}.streak-fire{font-size:1rem}.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--blue-dim),var(--purple));display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:600;cursor:pointer}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;transition:border-color var(--transition)}.card:hover{border-color:var(--border-accent)}.card-glass{background:var(--bg-glass);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px}.card-title{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-secondary);margin-bottom:14px;display:flex;align-items:center;gap:8px}.card-title .dot{width:6px;height:6px;border-radius:50%;background:var(--blue)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 18px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;transition:all var(--transition);cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--blue-dim),var(--blue));color:#fff;box-shadow:0 2px 12px rgba(99,179,237,.25)}.btn-primary:hover{box-shadow:0 4px 20px rgba(99,179,237,.4);transform:translateY(-1px)}.btn-gold{background:linear-gradient(135deg,var(--gold-dim),var(--gold));color:#000;font-weight:600;box-shadow:0 2px 12px rgba(245,197,24,.25)}.btn-gold:hover{box-shadow:0 4px 20px rgba(245,197,24,.4);transform:translateY(-1px)}.btn-ghost{background:var(--bg-glass);border:1px solid var(--border);color:var(--text-secondary)}.btn-ghost:hover{border-color:var(--border-accent);color:var(--text-primary)}.btn-danger{background:rgba(252,129,129,.1);border:1px solid rgba(252,129,129,.2);color:var(--red)}.btn-danger:hover{background:rgba(252,129,129,.18)}.badge-bloom{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:99px;font-size:.7rem;font-weight:600}.bloom-1,.bloom-2{background:rgba(104,211,145,.12);color:var(--green)}.bloom-3,.bloom-4{background:rgba(99,179,237,.12);color:var(--blue)}.bloom-5,.bloom-6{background:rgba(183,148,244,.12);color:var(--purple)}.badge-rarity-comum{color:var(--text-secondary)}.badge-rarity-raro{color:var(--blue)}.badge-rarity-epico{color:var(--purple)}.badge-rarity-lendario{color:var(--gold)}.progress-bar{height:8px;background:var(--border);border-radius:99px;overflow:hidden}.progress-fill{height:100%;border-radius:99px;transition:width .5s cubic-bezier(.4,0,.2,1)}.progress-fill.blue{background:linear-gradient(90deg,var(--blue-dim),var(--blue))}.progress-fill.gold{background:linear-gradient(90deg,var(--gold-dim),var(--gold))}.progress-fill.green{background:linear-gradient(90deg,#38a169,var(--green))}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-2,.grid-3{display:grid;gap:16px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.questao-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px}.questao-enunciado{font-size:.95rem;line-height:1.7;color:var(--text-primary);margin-bottom:24px}.alternativa{display:flex;align-items:flex-start;gap:14px;padding:13px 16px;border-radius:var(--radius-sm);border:1px solid var(--border);margin-bottom:8px;cursor:pointer;transition:all var(--transition);font-size:.9rem}.alternativa:hover{border-color:var(--border-accent);background:var(--blue-glow)}.alternativa.selected-correct{border-color:var(--green);background:rgba(104,211,145,.08)}.alternativa.selected-wrong{border-color:var(--red);background:rgba(252,129,129,.08)}.alternativa-letra{width:26px;height:26px;border-radius:50%;background:var(--bg-glass);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;flex-shrink:0}.certo-errado-btns{display:flex;gap:12px;margin-top:20px}.certo-errado-btn{flex:1;padding:14px;border-radius:var(--radius-sm);border:2px solid transparent;font-size:.95rem;font-weight:600;transition:all var(--transition);cursor:pointer}.certo-errado-btn.certo{background:rgba(104,211,145,.08);border-color:rgba(104,211,145,.3);color:var(--green)}.certo-errado-btn.certo.selected,.certo-errado-btn.certo:hover{background:rgba(104,211,145,.2);border-color:var(--green);box-shadow:0 0 16px rgba(104,211,145,.2)}.certo-errado-btn.errado{background:rgba(252,129,129,.08);border-color:rgba(252,129,129,.3);color:var(--red)}.certo-errado-btn.errado.selected,.certo-errado-btn.errado:hover{background:rgba(252,129,129,.2);border-color:var(--red);box-shadow:0 0 16px rgba(252,129,129,.2)}.explicacao-box{margin-top:20px;padding:16px 20px;border-radius:var(--radius-sm);border-left:3px solid var(--blue);background:var(--blue-glow);font-size:.875rem;line-height:1.6;color:var(--text-primary)}.xp-popup{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:var(--gold-glow);border:1px solid rgba(245,197,24,.3);border-radius:99px;color:var(--gold);font-size:.8rem;font-weight:700;animation:popIn .3s cubic-bezier(.34,1.56,.64,1)}@keyframes popIn{0%{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}.timer{display:flex;align-items:center;gap:8px;font-family:Orbitron,sans-serif;font-size:1.1rem;font-weight:700;color:var(--text-primary)}.timer.warning{color:var(--gold)}.timer.danger{color:var(--red);animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.flashcard-wrapper{perspective:1200px;min-height:260px}.flashcard{width:100%;min-height:260px;position:relative;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.4,0,.2,1);cursor:pointer;border-radius:var(--radius-lg)}.flashcard.flipped{transform:rotateY(180deg)}.flashcard-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px;border-radius:var(--radius-lg);border:1px solid var(--border);text-align:center}.flashcard-front{background:var(--bg-card)}.flashcard-back{background:linear-gradient(135deg,#0d1a2e,#101c30);border-color:var(--border-accent);transform:rotateY(180deg)}.flashcard-hint{font-size:.7rem;color:var(--text-muted);margin-top:20px}.streak-calendar{display:flex;gap:4px;flex-wrap:wrap}.streak-day{width:14px;height:14px;border-radius:3px;background:var(--border)}.streak-day.active{background:var(--blue)}.streak-day.today{background:var(--gold);box-shadow:0 0 6px var(--gold)}.mural-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;transition:border-color var(--transition)}.mural-card:hover{border-color:var(--border-accent)}.stars{display:flex;gap:2px;color:var(--gold);font-size:.9rem}.ranking-row{display:flex;align-items:center;gap:14px;padding:12px 16px;border-radius:var(--radius-sm);border:1px solid transparent;transition:all var(--transition)}.ranking-row:hover{background:var(--bg-glass);border-color:var(--border)}.ranking-row.me{background:var(--gold-glow);border-color:rgba(245,197,24,.2)}.rank-pos{width:28px;font-family:Orbitron,sans-serif;font-size:.8rem;font-weight:700;color:var(--text-muted);text-align:center}.rank-pos.top1{color:var(--gold)}.rank-pos.top2{color:#c0c0c0}.rank-pos.top3{color:#cd7f32}.fade-in{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.slide-in{animation:slideIn .25s ease}@keyframes slideIn{0%{opacity:0;transform:translateX(-12px)}to{opacity:1;transform:translateX(0)}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:99px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.profile-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:200px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-card);overflow:hidden;z-index:200}.dropdown-item{display:flex;align-items:center;gap:10px;padding:10px 16px;font-size:.82rem;color:var(--text-secondary);cursor:pointer;transition:all var(--transition);border:none;background:none;width:100%;text-align:left}.dropdown-item:hover{background:var(--bg-glass);color:var(--text-primary)}.reader-lesson-card{padding:20px;border-radius:18px;margin:18px 0;background:linear-gradient(135deg,rgba(37,99,235,.1),rgba(168,85,247,.08));border:1px solid rgba(99,102,241,.28);box-shadow:0 12px 32px rgba(15,23,42,.08)}.reader-lesson-card-title{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-size:.95rem}.reader-content{font-size:.9rem;line-height:1.75;color:var(--text-primary)}.reader-content .rd-h2{font-size:1.15rem;font-weight:700;margin:28px 0 10px;color:var(--text-primary);border-bottom:1px solid var(--border);padding-bottom:6px}.reader-content .rd-h3{font-size:.98rem;font-weight:600;margin:22px 0 8px;color:var(--cyan)}.reader-content .rd-p{margin:0 0 12px}.reader-content .rd-bq{margin:14px 0;padding:10px 16px;border-left:3px solid var(--blue);background:rgba(99,102,241,.04);border-radius:0 8px 8px 0;font-style:italic;color:var(--text-secondary);font-size:.85rem}.reader-content .rd-code{background:rgba(0,212,255,.08);border:1px solid rgba(0,212,255,.12);padding:1px 6px;border-radius:4px;font-size:.82rem;font-family:JetBrains Mono,monospace;color:var(--cyan)}.reader-content .rd-table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.82rem}.reader-content .rd-table th{background:var(--bg-glass);text-align:left;padding:8px 12px;font-weight:600;font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);border-bottom:1px solid var(--border)}.reader-content .rd-table td{padding:8px 12px;border-bottom:1px solid var(--border-subtle,rgba(255,255,255,.04));color:var(--text-secondary)}.reader-content .rd-table tr:hover td{background:rgba(255,255,255,.02)}.reader-content .rd-ol,.reader-content .rd-ul{padding-left:20px;margin:10px 0}.reader-content .rd-ol li,.reader-content .rd-ul li{margin-bottom:6px;color:var(--text-secondary)}.reader-content .rd-hr{border:none;border-top:1px solid var(--border);margin:28px 0}.reader-content strong{color:var(--text-primary);font-weight:600}.reader-content em{color:var(--text-secondary)}.reader-content .rd-block{padding:14px 18px;border-radius:10px;margin:16px 0;border-left:4px solid;font-size:.85rem;line-height:1.6}.reader-content .rd-block-label{display:block;font-size:.62rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px}.reader-content .rd-example{background:rgba(104,211,145,.06);border-color:rgba(104,211,145,.4)}.reader-content .rd-example .rd-block-label{color:#68d391}.reader-content .rd-warning{background:rgba(251,191,36,.06);border-color:rgba(251,191,36,.4)}.reader-content .rd-warning .rd-block-label{color:#fbbf24}.reader-content .rd-art-ref{color:#a78bfa;font-weight:600;background:rgba(167,139,250,.08);padding:1px 5px;border-radius:4px}.reader-content .rd-law-ref{color:#ec4899;font-weight:600;background:rgba(236,72,153,.08);padding:1px 5px;border-radius:4px;font-size:.82em}.reader-content .rd-mnemonic{color:#fbbf24;font-weight:800;letter-spacing:.15em;background:rgba(251,191,36,.1);padding:2px 8px;border-radius:5px;border:1px solid rgba(251,191,36,.2)}.reader-content .rd-oli{margin-bottom:6px;list-style-type:decimal;color:var(--text-secondary);margin-left:20px}.sidebar-mobile-toggle{display:none;position:fixed;top:16px;left:16px;z-index:110;width:44px;height:44px;border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border);color:var(--text-primary);align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-card)}.sidebar-close-btn{display:none;background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:4px;transition:color var(--transition)}.sidebar-close-btn:hover{color:var(--text-primary)}.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);z-index:99}.bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;z-index:100;height:60px;background:rgba(10,14,26,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom,0)}.bottom-nav-inner{display:flex;align-items:center;justify-content:space-around;height:100%;max-width:500px;margin:0 auto;padding:0 4px}.bottom-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:6px 8px;min-width:48px;min-height:44px;border-radius:10px;background:none;border:none;color:var(--text-muted);font-size:.58rem;font-weight:500;cursor:pointer;text-decoration:none;transition:color .2s,background .2s;-webkit-tap-highlight-color:transparent}.bottom-nav-item.active,.bottom-nav-item:hover{color:var(--blue);background:rgba(0,212,255,.08)}.bottom-nav-item.active{font-weight:700}.bottom-nav-item svg{width:22px;height:22px}@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.sidebar{transform:translateX(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1);z-index:101}.sidebar.sidebar-open{transform:translateX(0)}.sidebar-mobile-toggle{display:flex}.sidebar-close-btn,.sidebar-overlay{display:block}.main-content{margin-left:0;padding-bottom:calc(60px + env(safe-area-inset-bottom, 0px))}.topbar{left:0;padding-left:68px}.bottom-nav{display:block}.filter-bar,[style*="display: flex"][style*="gap: 12px"][style*=flexWrap]{display:grid!important;grid-template-columns:1fr 1fr;gap:10px!important}.filter-bar select,select{width:100%;min-width:unset!important;padding:10px 12px!important;font-size:.82rem!important;min-height:44px}a,button,input[type=email],input[type=password],input[type=text],select{min-height:44px}.stats-bar{flex-wrap:wrap;gap:8px}}@media (max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.page{padding:14px 12px calc(74px + env(safe-area-inset-bottom, 0px))}.topbar-stat span{display:none}.topbar-stat svg{margin:0}.topbar-right{gap:8px}.topbar-left h2{font-size:.88rem}.topbar-left p{display:none}.topbar{padding:0 12px 0 56px}.card{padding:14px;border-radius:10px}.card-title{font-size:.72rem;margin-bottom:10px}.btn{padding:12px 16px;font-size:.82rem;min-height:44px}.btn-primary{width:100%}.questao-card{padding:16px}.questao-enunciado{font-size:.88rem;line-height:1.6}.alternativa{padding:12px 14px;font-size:.82rem;min-height:44px}.certo-errado-btns{flex-direction:column;gap:8px}.certo-errado-btn{padding:14px;font-size:.88rem;min-height:48px}.flashcard,.flashcard-wrapper{min-height:200px}.flashcard-face{padding:20px}.streak-calendar{gap:3px}.streak-day{width:10px;height:10px;border-radius:2px}.avatar{width:30px;height:30px;font-size:.72rem}.ranking-row{gap:8px;padding:8px 10px;font-size:.78rem}.filter-bar,[style*="display: flex"][style*="gap: 12px"][style*=flexWrap]{grid-template-columns:1fr!important}}@media (max-width:400px){html{font-size:14px}.page{padding:10px 8px calc(70px + env(safe-area-inset-bottom, 0px))}.topbar{height:52px;padding:0 8px 0 48px}.main-content{padding-top:52px}.bottom-nav{height:56px}.bottom-nav-item{font-size:.52rem;min-width:42px}.bottom-nav-item svg{width:20px;height:20px}}@supports (padding-top:env(safe-area-inset-top)){.topbar{padding-top:env(safe-area-inset-top)}.bottom-nav,.page{padding-bottom:env(safe-area-inset-bottom)}}@media (hover:none){.card:hover{border-color:var(--border)}.nav-item:hover{background:none;color:var(--text-secondary)}.btn-gold:hover,.btn-primary:hover{transform:none}.bottom-nav-item:active,.btn:active,.card:active{transform:scale(.97);transition:transform .1s}.alternativa:active,.certo-errado-btn:active{transform:scale(.98);transition:transform .1s}.bottom-nav-item,.card,.nav-item,a,button,select{-webkit-user-select:none;user-select:none}}.start-button-pulse{animation:startPulse 2.5s ease-in-out infinite}@keyframes startPulse{0%,to{box-shadow:0 0 40px rgba(99,179,237,.25),0 0 80px rgba(99,179,237,.08),inset 0 2px 8px rgba(255,255,255,.15)}50%{box-shadow:0 0 55px rgba(99,179,237,.35),0 0 100px rgba(99,179,237,.12),inset 0 2px 8px rgba(255,255,255,.2)}}@media (max-width:768px){:root{--sidebar-w:0px;--topbar-h:56px}.sidebar{display:none}.main-content{margin-left:0;padding-bottom:72px}.topbar{left:0;padding:0 16px}.topbar-left h2{font-size:.92rem}.topbar-right{gap:10px}.topbar-stat{font-size:.72rem;gap:4px}.page{padding:16px 14px}.card{border-radius:var(--radius-sm)}.card,.card-glass{padding:16px}.card-title{font-size:.72rem;margin-bottom:10px}.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);gap:10px}.grid-2{gap:10px}.questao-card{padding:18px;border-radius:var(--radius-md)}.questao-enunciado{font-size:.88rem;margin-bottom:18px}.alternativa{padding:11px 14px;font-size:.82rem;gap:10px}.certo-errado-btns{gap:8px}.certo-errado-btn{padding:12px;font-size:.88rem}.btn{padding:10px 16px;font-size:.82rem}.avatar{width:32px;height:32px;font-size:.75rem}.timer{font-size:.95rem}}@media (max-width:480px){:root{--topbar-h:50px}.page{padding:12px 10px}.topbar{padding:0 12px}.topbar-left h2{font-size:.82rem}.topbar-left p{font-size:.65rem}.topbar-right{gap:6px}.topbar-stat{font-size:.65rem}.card{padding:14px}.card-title{font-size:.68rem;margin-bottom:8px}.grid-3,.grid-4{grid-template-columns:1fr;gap:8px}.questao-card{padding:14px;border-radius:var(--radius-sm)}.questao-enunciado{font-size:.82rem;line-height:1.6;margin-bottom:14px}.alternativa{padding:10px 12px;font-size:.78rem;gap:8px;margin-bottom:6px}.alternativa-letra{width:22px;height:22px;font-size:.68rem}.certo-errado-btn{padding:11px;font-size:.82rem}.btn{padding:9px 14px;font-size:.78rem}[style*=fontFamily]{word-break:break-word}.avatar{width:28px;height:28px;font-size:.7rem}.progress-bar{height:6px}}@supports (padding-bottom:env(safe-area-inset-bottom)){.main-content{padding-bottom:calc(72px + env(safe-area-inset-bottom))}}.mobile-only{display:none!important}.desktop-only{display:initial}@media (max-width:768px){.mobile-only{display:initial!important}.desktop-only{display:none!important}}