:root{color-scheme:light;--bg:#f8fafc;--panel:rgba(255,255,255,0.86);--panel-strong:#ffffff;--muted:#64748b;--text:#0f172a;--line:#e2e8f0;--primary:#4f46e5;--primary-soft:#eef2ff;--accent:#059669;--accent-soft:#ecfdf5;--danger:#dc2626;--danger-soft:#fef2f2;--shadow:0 18px 45px rgba(15,23,42,0.09)}html.dark{color-scheme:dark;--bg:#020617;--panel:rgba(15,23,42,0.78);--panel-strong:#0f172a;--muted:#94a3b8;--text:#f8fafc;--line:#1e293b;--primary:#34d399;--primary-soft:rgba(52,211,153,0.12);--accent:#818cf8;--accent-soft:rgba(129,140,248,0.12);--danger:#fb7185;--danger-soft:rgba(251,113,133,0.12);--shadow:0 22px 55px rgba(0,0,0,0.34)}*{box-sizing:border-box;min-width:0}body{margin:0;min-height:100vh;background:radial-gradient(circle at 12% 0,rgba(79,70,229,.1),transparent 30%),radial-gradient(circle at 88% 8%,rgba(5,150,105,.1),transparent 26%),var(--bg);color:var(--text);font-family:Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.dark .dark\:hidden,.hidden{display:none!important}.dark .dark\:block{display:block!important}@keyframes spin{to{transform:rotate(1turn)}}.spin{animation:spin 1s linear infinite}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}::-webkit-scrollbar{height:8px;width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:999px}.dark ::-webkit-scrollbar-thumb{background:#334155}.app-shell{display:flex;min-height:100vh}.sidebar{background:var(--panel);border-right:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);display:flex;flex-direction:column;height:100vh;left:0;overflow-y:auto;padding:18px;position:-webkit-sticky;position:sticky;top:0;width:292px}.main{flex:1 1;padding:24px}.topbar{align-items:center;display:flex;gap:14px;margin:0 auto 22px;max-width:1180px}.content-grid{display:grid;grid-gap:18px;gap:18px;grid-template-columns:minmax(0,1fr) 360px;margin:0 auto;max-width:1180px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.panel.tight{border-radius:12px;box-shadow:none}.section-pad{padding:18px}.logo-row{align-items:center;display:flex;gap:10px}.logo-img{height:38px;width:auto}.brand-name{font-size:1.15rem;font-weight:800;letter-spacing:0}.muted{color:var(--muted)}.eyebrow{color:var(--primary);font-size:.72rem;font-weight:900;letter-spacing:.18em;text-transform:uppercase}.h1{font-size:clamp(1.55rem,2.4vw,2.25rem);line-height:1.12;margin:6px 0 8px}.field,.select{background:var(--panel-strong);border:1px solid var(--line);border-radius:10px;color:var(--text);outline:none;padding:10px 12px;width:100%}.field:focus,.select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.label{color:var(--muted);display:block;font-size:.76rem;margin-bottom:6px;text-transform:uppercase}.btn,.label{font-weight:800}.btn{align-items:center;background:var(--panel-strong);border:1px solid var(--line);border-radius:10px;color:var(--text);display:inline-flex;gap:8px;justify-content:center;min-height:42px;padding:10px 14px;transition:transform .16s ease,border-color .16s ease,background .16s ease}.btn:hover{transform:translateY(-1px)}.btn.primary,.btn:hover{border-color:var(--primary)}.btn.primary{background:var(--primary);color:white}.dark .btn.primary{color:#042f2e}.btn.ghost{background:transparent;box-shadow:none}.btn.danger{background:var(--danger-soft);border-color:rgba(220,38,38,.25);color:var(--danger)}.icon-btn{align-items:center;aspect-ratio:1;background:var(--panel-strong);border:1px solid var(--line);border-radius:999px;color:var(--text);display:inline-flex;justify-content:center;width:42px}.stat-grid{display:grid;grid-gap:10px;gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}.stat-card{background:var(--panel-strong);border:1px solid var(--line);border-radius:12px;padding:13px}.stat-value{font-size:1.45rem;font-weight:900}.stat-label{color:var(--muted);font-size:.78rem;font-weight:700}.filters{display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(3,minmax(0,1fr))}.question-list{display:grid;grid-gap:12px;gap:12px}.question-card{background:var(--panel-strong);border:1px solid var(--line);border-radius:14px;padding:16px}.question-head{align-items:flex-start;display:flex;gap:14px;justify-content:space-between}.tag-row{display:flex;flex-wrap:wrap;gap:7px}.tag{background:var(--primary-soft);border:1px solid var(--line);border-radius:999px;color:var(--primary);display:inline-flex;font-size:.72rem;font-weight:800;padding:5px 8px}.tag.neutral{background:transparent;color:var(--muted)}.question-text{font-size:1rem;line-height:1.62;margin:14px 0;white-space:pre-wrap}.options{display:grid;grid-gap:8px;gap:8px}.option{align-items:flex-start;background:color-mix(in srgb,var(--panel-strong) 88%,var(--primary-soft));border:1px solid var(--line);border-radius:10px;display:flex;gap:10px;line-height:1.45;padding:10px}.option input{flex:0 0 auto;margin-top:3px}.answer-box{background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));border-radius:12px;color:var(--text);line-height:1.55;margin-top:12px;padding:13px}.tabs{display:flex;gap:8px;margin:16px 0}.tab{background:transparent;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-weight:800;padding:9px 13px}.tab.active{background:var(--primary);border-color:var(--primary);color:white}.dark .tab.active{color:#042f2e}.auth-gate{align-items:center;background:rgba(15,23,42,.82);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;inset:0;justify-content:center;padding:18px;position:fixed;z-index:50}.auth-card{background:var(--panel-strong);border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 80px rgba(0,0,0,.28);max-width:380px;padding:28px;width:100%}.simulado-header{display:flex;justify-content:space-between;gap:16px;margin-bottom:18px}.result-good{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 35%,var(--line))}.result-bad{background:var(--danger-soft);border-color:color-mix(in srgb,var(--danger) 35%,var(--line))}@media (max-width:980px){.app-shell{display:block}.sidebar{height:auto;position:static;width:100%}.content-grid{grid-template-columns:1fr}.filters{grid-template-columns:1fr 1fr}}@media (max-width:640px){.main{padding:14px}.question-head,.simulado-header,.topbar{align-items:stretch;flex-direction:column}.filters,.stat-grid{grid-template-columns:1fr}.tabs{overflow-x:auto;padding-bottom:4px}}@media print{.btn,.icon-btn,.sidebar,.tabs,.topbar{display:none!important}body{background:white!important;color:#111827!important}.main{padding:0!important}.content-grid{display:block;max-width:none}.panel,.question-card{background:white!important;border-color:#d1d5db!important;box-shadow:none!important}}