.mvp{min-height:100vh;padding:0 0 calc(28px + env(safe-area-inset-bottom));background:var(--bg-canvas);color:var(--text-primary)}.mvp__wrap{width:100%;max-width:46rem;margin:0 auto;padding:0 16px}.mvp__top{align-items:center;gap:12px;padding:18px 0 10px;display:flex}.mvp__back{min-height:44px;color:var(--text-secondary);font:inherit;cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;padding:0 10px 0 0;display:inline-flex}.mvp__brand{letter-spacing:-.01em;font-weight:700}.mvp__brand span{color:var(--brand-primary)}.mvp__h1{color:var(--text-heading);font-family:var(--font-display);font-size:var(--text-display);letter-spacing:-.015em;text-wrap:balance;margin:6px 0 8px;font-weight:600;line-height:1.08}.mvp__lead{color:var(--text-secondary);margin:0 0 18px;line-height:1.55}.mvp__eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--brand-primary);margin:18px 0 8px;font-size:.72rem;font-weight:600}.mvp__card{background:var(--bg-surface);border:1px solid #94a3b82e;border-radius:16px;margin:0 0 14px;padding:16px}.mvp__card--light{background:var(--bg-light);color:var(--text-light-primary);border-color:var(--line-light)}.mvp__row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.mvp__stat{flex-wrap:wrap;gap:10px;display:flex}.mvp__stat div{background:var(--bg-surface);border:1px solid #94a3b82e;border-radius:14px;flex:7rem;padding:12px 14px}.mvp__stat b{font-size:1.5rem;line-height:1.15;display:block}.mvp__stat small{color:var(--text-secondary);letter-spacing:.04em;text-transform:uppercase;font-size:.75rem}.btn{min-height:52px;font:inherit;cursor:pointer;border:1px solid #0000;border-radius:14px;justify-content:center;align-items:center;gap:8px;padding:0 18px;font-weight:600;text-decoration:none;transition:background-color .15s,border-color .15s,color .15s;display:inline-flex}.btn--primary{background:var(--brand-primary);color:var(--text-on-brand)}.btn--primary:hover{background:var(--brand-hover)}.btn--ghost{color:var(--text-primary);background:0 0;border-color:#94a3b859}.btn--ghost:hover{background:var(--bg-surface-hover)}.btn--block{width:100%}.btn--sm{min-height:42px;padding:0 14px;font-size:.92rem}.btn[disabled]{opacity:.5;cursor:default}.grid2{grid-template-columns:1fr;gap:12px;display:grid}@media (width>=34rem){.grid2{grid-template-columns:1fr 1fr}}.field{margin:0 0 12px;display:block}.field span{letter-spacing:.05em;text-transform:uppercase;color:var(--text-secondary);margin:0 0 6px;font-size:.78rem;display:block}.field input{border:1px solid var(--line-control);background:var(--bg-canvas);width:100%;min-height:52px;color:var(--text-primary);font:inherit;border-radius:12px;padding:0 14px}.note{color:var(--text-secondary);margin:10px 0 0;font-size:.86rem;line-height:1.5}.note--warn{color:#fbbf24}.err{color:#fca5a5;margin:10px 0 0;font-size:.9rem}.sit{background:var(--bg-canvas);z-index:40;flex-direction:column;display:flex;position:fixed;inset:0}.test__bar{background:var(--bg-surface);border-bottom:1px solid #94a3b829;align-items:center;gap:10px;padding:10px 14px;display:flex}.test__bar b{font-size:.92rem}.test__bar small{color:var(--text-secondary);font-size:.78rem}.test__grow{flex:1}.test__body{-webkit-overflow-scrolling:touch;flex:1;padding:14px 14px 8px;overflow-y:auto}.test__stem{background:var(--bg-light);color:var(--text-light-primary);border-radius:16px;margin:0 0 14px;padding:16px;font-size:1.06rem;line-height:1.5}.test__stem p{margin:0 0 10px}.test__stem p:last-child{margin:0}.test__stem .test__tablewrap{border:1px solid var(--line-light);border-radius:10px;margin:10px 0;overflow-x:auto}.test__stem table{border-collapse:collapse;width:100%;font-size:.94em}.test__stem th,.test__stem td{border-bottom:1px solid var(--line-light);text-align:left;vertical-align:top;padding:7px 9px}.test__stem th{background:var(--bg-light-subtle);white-space:nowrap;font-weight:600}.test__stem tr:last-child td{border-bottom:0}.test__opts{margin:0;padding:0;list-style:none}.test__opt{text-align:left;background:var(--bg-surface);width:100%;color:var(--text-primary);font:inherit;cursor:pointer;border:1px solid #94a3b838;border-radius:14px;grid-template-columns:2rem 1fr;gap:10px;margin:0 0 10px;padding:13px 14px;line-height:1.45;display:grid}.test__opt:hover{background:var(--bg-surface-hover)}.test__opt[data-chosen=true]{border-color:var(--brand-primary);box-shadow:0 0 0 3px var(--brand-glow)}.test__opt[data-correct=true]{border-color:#34d399}.test__opt[data-wrong=true]{border-color:#f87171}.test__opt b{color:var(--brand-primary)}.test__opt .why{color:var(--text-secondary);grid-column:2;margin-top:8px;font-size:.92rem;display:block}.test__opt .why[hidden]{display:none}.test__reveal{border-left:3px solid var(--brand-primary);background:#f26b3514;border-radius:0 12px 12px 0;margin:4px 0 14px;padding:12px 14px}.test__reveal h4{letter-spacing:.08em;text-transform:uppercase;color:var(--brand-primary);margin:0 0 6px;font-size:.74rem}.test__reveal p{margin:0 0 8px;line-height:1.5}.test__quote{color:var(--text-secondary);font-style:italic}.test__guess{background:var(--bg-surface);border:1px dashed #94a3b866;border-radius:14px;align-items:center;gap:10px;margin:0 0 12px;padding:10px 12px;display:flex}.test__guess p{flex:1;margin:0;font-size:.94rem}.test__guess[hidden]{display:none}.test__foot{padding:10px 14px calc(12px + env(safe-area-inset-bottom));background:var(--bg-surface);border-top:1px solid #94a3b829;align-items:center;gap:10px;display:flex}.test__rail{flex:1;gap:6px;padding:2px 0;display:flex;overflow-x:auto}.test__mark{width:30px;height:30px;color:var(--text-secondary);font:inherit;cursor:pointer;background:0 0;border:1px solid #94a3b866;border-radius:999px;flex:none;font-size:.76rem}.test__mark[data-state=answered]{background:var(--brand-primary);border-color:var(--brand-primary);color:var(--text-on-brand)}.test__mark[data-state=current]{border-color:var(--brand-primary);color:var(--text-primary)}.drawer{background:var(--bg-surface);z-index:60;border-top:1px solid #94a3b84d;border-radius:18px 18px 0 0;flex-direction:column;max-height:78vh;transition:transform .2s;display:flex;position:fixed;inset:auto 0 0;transform:translateY(102%)}.drawer[data-open=true]{transform:translateY(0)}.drawer__bar{border-bottom:1px solid #94a3b829;align-items:center;gap:10px;padding:12px 14px;display:flex}.drawer__body{padding:12px 14px calc(18px + env(safe-area-inset-bottom));overflow-y:auto}.drawer input{background:var(--bg-canvas);width:100%;min-height:46px;color:var(--text-primary);font:inherit;border:1px solid #94a3b84d;border-radius:12px;margin:0 0 12px;padding:0 12px}.drawer dl{margin:0}.drawer dt{color:var(--brand-primary);margin:14px 0 2px;font-weight:600}.drawer dd{color:var(--text-secondary);margin:0 0 6px;line-height:1.5}.gm{font:inherit;color:inherit;text-underline-offset:3px;cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline dotted}.gm:hover{color:var(--brand-primary)}.quote{z-index:80;text-align:center;cursor:pointer;color:var(--text-primary);font:inherit;background:#0f172af7;border:0;flex-direction:column;justify-content:center;align-items:center;gap:18px;padding:32px 26px;display:flex;position:fixed;inset:0}.quote[hidden]{display:none}.quote__en{max-width:30ch;font-size:1.5rem;font-weight:600;line-height:1.35}.quote__native{color:var(--brand-primary);max-width:30ch;font-size:1.15rem;line-height:1.4}.quote small{color:var(--text-secondary);letter-spacing:.05em;text-transform:uppercase;font-size:.72rem}.quote em{color:var(--text-muted);font-size:.78rem;font-style:normal}.bar{background:#94a3b840;border-radius:999px;height:10px;overflow:hidden}.bar i{background:var(--brand-primary);height:100%;display:block}.barlist{margin:0;padding:0;list-style:none}.barlist li{margin:0 0 12px}.barlist p{justify-content:space-between;margin:0 0 5px;font-size:.94rem;display:flex}.barlist span{color:var(--text-secondary)}.tag{letter-spacing:.05em;text-transform:uppercase;color:var(--text-secondary);border:1px solid #94a3b866;border-radius:999px;margin-left:8px;padding:3px 9px;font-size:.72rem;display:inline-block}.review{background:var(--bg-surface);border:1px solid #94a3b833;border-radius:14px;margin:0 0 10px;padding:13px 14px}.review p{margin:0 0 8px;line-height:1.45}.review h4{letter-spacing:.08em;text-transform:uppercase;color:var(--brand-primary);margin:10px 0 4px;font-size:.72rem}.reader{max-width:40rem;margin:0 auto;padding:4px 16px 60px}.reader h1,.reader h2{letter-spacing:-.01em;line-height:1.25}.reader h1{margin:20px 0 10px;font-size:1.6rem}.reader h2{margin:26px 0 10px;font-size:1.22rem}.reader h3,.reader h4{margin:20px 0 8px;font-size:1.04rem}.reader p,.reader li{color:var(--text-primary);line-height:1.62}.reader p{margin:0 0 12px}.reader ul,.reader ol{margin:0 0 12px;padding-left:1.15rem}.reader blockquote{border-left:3px solid var(--brand-primary);background:#f26b3512;border-radius:0 10px 10px 0;margin:0 0 14px;padding:10px 14px}.reader blockquote p{margin:0}.toc{border-left:1px solid #94a3b84d;margin:0;padding:0;list-style:none}.toc li{margin:0}.toc a{color:var(--text-secondary);border-left:2px solid #0000;margin-left:-1px;padding:9px 0 9px 12px;line-height:1.35;text-decoration:none;display:block}.toc a:hover{color:var(--text-primary);border-left-color:var(--brand-primary)}.toc .l3 a{padding-left:26px;font-size:.92rem}.chap{color:var(--text-primary);border-bottom:1px solid #94a3b829;justify-content:space-between;align-items:baseline;gap:12px;padding:14px 0;text-decoration:none;display:flex}.chap small{color:var(--text-secondary)}.terms{gap:10px;display:grid}.term{background:var(--bg-surface);border:1px solid #94a3b82e;border-radius:14px;padding:13px 14px}.term b{margin:0 0 4px;display:block}.term p{color:var(--text-secondary);margin:0;line-height:1.5}.term small{color:var(--text-muted)}.tablewrap{-webkit-overflow-scrolling:touch;border:1px solid #94a3b840;border-radius:12px;margin:0 0 16px;overflow-x:auto}.reader table{border-collapse:collapse;width:100%;font-size:.94rem}.reader th,.reader td{vertical-align:top;border-bottom:1px solid #94a3b82e;padding:9px 12px;line-height:1.45}.reader thead th{letter-spacing:.06em;text-transform:uppercase;color:var(--text-secondary);white-space:nowrap;background:#94a3b81f;font-size:.74rem}.reader tbody tr:last-child td{border-bottom:0}