@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap");:root{--bg:#FAFAFC;--bg-deep:#F4F5F9;--bg-card:#FFFFFF;--bg-input:#FFFFFF;--bg-hover:#F8F9FC;--bg-soft:#FCFCFD;--primary:#DF9F20;--primary-dark:#B27F1A;--primary-light:#FCEFD2;--primary-glow:rgba(223,159,32,0.12);--primary-soft:rgba(223,159,32,0.08);--violet:#6366F1;--violet-light:#EEF2FF;--violet-dim:rgba(99,102,241,0.10);--text:#0F172A;--text-dim:#334155;--muted:#64748B;--muted-soft:#94A3B8;--border:#E5E7EB;--border-soft:#F1F5F9;--border-focus:#DF9F20;--success:#10B981;--success-light:#D1FAE5;--error:#EF4444;--error-light:#FEE2E2;--warning:#F59E0B;--warning-light:#FEF3C7;--info:#3B82F6;--shadow-xs:0 1px 2px rgba(15,23,42,0.04);--shadow-sm:0 1px 3px rgba(15,23,42,0.06),0 1px 2px rgba(15,23,42,0.04);--shadow-md:0 4px 12px rgba(15,23,42,0.06),0 2px 4px rgba(15,23,42,0.04);--shadow-lg:0 12px 32px rgba(15,23,42,0.08),0 4px 8px rgba(15,23,42,0.04);--shadow-glow:0 10px 30px rgba(223,159,32,0.18)}*{box-sizing:border-box;margin:0;padding:0}#__next,body,html{min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;font-weight:400;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;letter-spacing:-.01em}h1,h2,h3,h4,h5,h6{font-family:Plus Jakarta Sans,-apple-system,sans-serif;letter-spacing:-.02em;color:var(--text)}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-dark)}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;letter-spacing:-.01em}input,select,textarea{font-family:inherit;background:var(--bg-input);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:12px 14px;outline:none;width:100%;font-size:15px;transition:all .15s ease}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-glow)}input::placeholder,textarea::placeholder{color:var(--muted-soft)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#E2E8F0;border-radius:6px;border:2px solid var(--bg)}::-webkit-scrollbar-thumb:hover{background:#CBD5E1}.btn-primary{background:var(--primary);color:#FFFFFF;font-weight:600;font-size:15px;padding:12px 24px;border-radius:10px;box-shadow:var(--shadow-sm);transition:all .18s ease}.btn-primary:hover{background:var(--primary-dark);box-shadow:var(--shadow-glow);transform:translateY(-1px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:var(--shadow-sm)}.btn-ghost{background:transparent;color:var(--text-dim);border:1px solid var(--border);padding:10px 18px;border-radius:10px;font-weight:500;font-size:14px;transition:all .15s ease}.btn-ghost:hover{background:var(--bg-hover);color:var(--text);border-color:#D1D5DB}.btn-secundario{background:var(--bg-card);color:var(--text);border:1px solid var(--border);padding:12px 22px;border-radius:10px;font-weight:600;transition:all .15s ease}.btn-secundario:hover{background:var(--bg-hover);border-color:var(--primary)}.container{max-width:1140px;margin:0 auto;padding:32px 24px}.topbar{justify-content:space-between;padding:14px 28px;border-bottom:1px solid var(--border-soft);background:rgba(255,255,255,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);position:-webkit-sticky;position:sticky;top:0;z-index:10}.topbar,.topbar-logo{display:flex;align-items:center}.topbar-logo{gap:12px;font-weight:700;font-size:16px;color:var(--text);letter-spacing:-.02em}.topbar-logo,.topbar-logo-icon{font-family:Plus Jakarta Sans,sans-serif}.topbar-logo-icon{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#DF9F20,#B27F1A);display:grid;place-items:center;color:#FFFFFF;font-weight:800;font-size:20px;box-shadow:0 4px 12px rgba(223,159,32,.3)}.topbar-actions{display:flex;align-items:center;gap:8px}.topbar-user{color:var(--muted);font-size:13px;display:none;margin-right:8px}@media (min-width:640px){.topbar-user{display:inline}}.materias-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:18px;gap:18px;margin-top:28px}.materia-card{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:16px;padding:24px 22px;cursor:pointer;transition:all .22s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;gap:14px;min-height:180px;text-align:left;box-shadow:var(--shadow-xs);position:relative;overflow:hidden}.materia-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 50%,var(--primary-soft) 100%);opacity:0;transition:opacity .22s ease;pointer-events:none}.materia-card:hover{border-color:#E0E5EC;transform:translateY(-3px);box-shadow:var(--shadow-lg)}.materia-card:hover:before{opacity:1}.materia-icon-wrapper{width:52px;height:52px;border-radius:14px;background:var(--primary-light);display:grid;place-items:center;color:var(--primary);position:relative;z-index:1}.materia-icon-wrapper svg{width:26px;height:26px}.materia-titulo{font-family:Plus Jakarta Sans,sans-serif;font-size:17px;font-weight:700;color:var(--text);position:relative;z-index:1}.materia-desc{font-size:13px;line-height:1.5;margin-top:2px}.materia-desc,.materia-info{color:var(--muted);position:relative;z-index:1}.materia-info{font-size:12px;margin-top:auto;display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid var(--border-soft)}.materia-info-badge{background:var(--bg-hover);border:1px solid var(--border-soft);padding:4px 10px;border-radius:6px;font-weight:600;color:var(--text-dim);font-size:12px}.estudo-card{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:20px;padding:36px 32px;max-width:800px;margin:0 auto;box-shadow:var(--shadow-sm)}.estudo-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;font-size:13px;color:var(--muted);font-weight:500}.estudo-meta .badge{background:var(--violet-light);color:var(--violet);padding:5px 12px;border-radius:999px;font-weight:600;font-size:12px}.estudo-enunciado{font-size:17px;line-height:1.65;color:var(--text);margin-bottom:26px;font-weight:500;letter-spacing:-.015em}.alternativas{display:flex;flex-direction:column;gap:10px}.alternativa{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border:1.5px solid var(--border);border-radius:12px;cursor:pointer;transition:all .15s ease;background:var(--bg-card);text-align:left;width:100%;color:var(--text)}.alternativa:hover:not(:disabled){border-color:var(--primary);background:var(--primary-soft)}.alternativa:disabled{cursor:default}.alternativa.selecionada{border-color:var(--primary);background:var(--primary-light)}.alternativa.correta{border-color:var(--success);background:var(--success-light)}.alternativa.errada{border-color:var(--error);background:var(--error-light)}.alternativa-letra{flex-shrink:0;width:30px;height:30px;border-radius:8px;background:var(--bg-deep);border:1px solid var(--border);display:grid;place-items:center;font-weight:700;font-size:13px;color:var(--text-dim);font-family:Plus Jakarta Sans,sans-serif}.alternativa.selecionada .alternativa-letra{background:var(--primary);border-color:var(--primary);color:#FFFFFF}.alternativa.correta .alternativa-letra{background:var(--success);border-color:var(--success);color:#FFFFFF}.alternativa.errada .alternativa-letra{background:var(--error);border-color:var(--error);color:#FFFFFF}.alternativa-texto{flex:1 1;line-height:1.55;font-size:15px;color:var(--text)}.feedback{margin-top:24px;padding:18px 20px;border-radius:14px;border:1px solid var(--border);background:var(--bg-deep)}.feedback.acertou{border-color:var(--success);background:var(--success-light)}.feedback.errou{border-color:var(--error);background:var(--error-light)}.feedback-titulo{font-family:Plus Jakarta Sans,sans-serif;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:8px;font-size:15px}.feedback.acertou .feedback-titulo{color:var(--success)}.feedback.errou .feedback-titulo{color:var(--error)}.feedback-explicacao{color:var(--text-dim);font-size:14px;line-height:1.65}.estudo-acoes{display:flex;gap:10px;justify-content:space-between;margin-top:26px}.tabela{width:100%;border-collapse:collapse;background:var(--bg-card);border:1px solid var(--border-soft);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-xs)}.tabela td,.tabela th{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border-soft);font-size:14px}.tabela th{background:var(--bg-deep);color:var(--text-dim);font-family:Plus Jakarta Sans,sans-serif;font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.6px}.tabela tr:last-child td{border-bottom:none}.tabela tr:hover td{background:var(--bg-hover)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:16px;gap:16px;margin:22px 0 30px}.stat-card{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:14px;padding:22px;box-shadow:var(--shadow-xs)}.stat-card-label{font-size:12px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-weight:600;margin-bottom:8px}.stat-card-valor{font-family:Plus Jakarta Sans,sans-serif;font-size:30px;font-weight:800;color:var(--text);letter-spacing:-.03em}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--text-dim);margin-bottom:6px;letter-spacing:-.005em}.form-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}@media (max-width:640px){.form-row{grid-template-columns:1fr}}.alerta{padding:14px 16px;border-radius:12px;font-size:14px;margin:12px 0;line-height:1.5}.alerta.erro{background:var(--error-light);border:1px solid #fecaca;color:#991B1B}.alerta.sucesso{background:var(--success-light);border:1px solid #a7f3d0;color:#065F46}.alerta.info{background:var(--violet-light);border:1px solid #c7d2fe;color:#3730A3}.loader{text-align:center;padding:80px 20px;color:var(--muted);font-size:14px}.card{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:16px;padding:24px;box-shadow:var(--shadow-xs)}