.tq{gap:16px;max-width:640px;margin:0 auto;display:grid}.tq-card{background:var(--card);border:2px solid var(--border);box-shadow:0 4px 0 var(--edge);border-radius:20px;gap:14px;padding:20px;display:grid}.tq-tabs{background:var(--surface-soft);border-radius:999px;justify-self:start;gap:6px;padding:4px;display:inline-flex}.tq-tabs button{min-height:40px;font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:999px;align-items:center;gap:6px;padding:0 16px;font-size:14.5px;font-weight:800;display:inline-flex}.tq-tabs button.is-on{background:var(--card);color:var(--brand-text);box-shadow:0 1px 3px #0b1a2c1f}.tq-drop{border:2px dashed var(--border);background:var(--surface-soft);cursor:pointer;border-radius:16px;place-items:center;min-height:190px;display:grid;position:relative;overflow:hidden}.tq-drop:hover{border-color:var(--brand)}.tq-drop input{opacity:0;cursor:pointer;position:absolute;inset:0}.tq-drop__hint{text-align:center;color:var(--muted);pointer-events:none;justify-items:center;gap:4px;padding:24px;font-size:14.5px;display:grid}.tq-drop__hint strong{color:var(--foreground);font-size:16.5px}.tq-drop__hint svg{color:var(--brand-text)}.tq-drop.has-img{background:var(--card);min-height:0}.tq-drop img{object-fit:contain;pointer-events:none;max-width:100%;max-height:320px;display:block}.tq-text{border:2px solid var(--border);background:var(--card);width:100%;color:var(--foreground);font:inherit;resize:vertical;border-radius:14px;padding:14px;font-size:16px}.tq-text:focus{outline:3px solid var(--brand);outline-offset:1px}.tq-go{width:100%}.tq-hp{opacity:0;width:1px;height:1px;position:absolute;left:-9999px}.tq-small{color:var(--muted);margin:0;font-size:13px;line-height:1.5}.tq-muted{color:var(--muted);margin:0;font-size:15px;line-height:1.55}.tq-error{color:var(--danger-text);margin:0;font-size:14.5px;font-weight:700}.tq-link{font:inherit;color:var(--brand-text);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;justify-self:center;padding:6px;font-size:14.5px;font-weight:800;text-decoration:underline}.tq-gate__row{flex-wrap:wrap;gap:10px;display:flex}.tq-gate__row input{flex:240px}.tq-gate__row select{flex:0 170px}.tq-label{letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0;font-size:12.5px;font-weight:800}.tq-label--fresh{color:var(--brand-text)}.tq-card--fresh{border-color:var(--brand)}.tq-math{color:var(--foreground);overflow-wrap:anywhere;font-size:17px;line-height:1.6}.tq-math p{margin:0 0 8px}.tq-math ol,.tq-math ul{margin:0 0 8px;padding-left:22px}.tq-math .katex-display{margin:8px 0;padding:2px 0;overflow:auto hidden}.tq-changed{color:var(--muted);margin:0;font-size:14px;font-style:italic}.tq-sol>summary{cursor:pointer;background:var(--brand-soft);letter-spacing:.04em;text-transform:uppercase;min-height:40px;color:var(--brand-text);border-radius:999px;align-items:center;padding:0 16px;font-size:14px;font-weight:800;list-style:none;display:inline-flex}.tq-sol>summary::-webkit-details-marker{display:none}.tq-sol[open]>summary{background:var(--brand-pale);margin-bottom:10px}.tq-answer{flex-wrap:wrap;gap:10px;display:flex}.tq-answer input{flex:180px}.tq-check{gap:6px;display:grid}.tq-check__line{margin:0;font-size:15.5px}.tq-next{text-align:center;gap:12px;padding:8px 4px;display:grid}.tq-next p{margin:0;font-size:16px;line-height:1.55}.tq-next__btns{justify-items:center;gap:8px;display:grid}.tq-math ol{list-style:decimal}.tq-math ul{list-style:outside}.tq-math li{margin:2px 0}.tq-result{scroll-margin-top:80px}.tq-cta{background:var(--brand-soft);border:2px solid var(--brand);border-radius:20px;align-items:center;gap:14px;padding:20px;display:grid}@media (min-width:760px){.tq-cta{grid-template-columns:auto 1fr auto;gap:20px;padding:22px 26px}}.tq-cta__icon{background:var(--card);width:52px;height:52px;color:var(--brand-text);border-radius:16px;place-items:center;display:grid}.tq-cta__title{color:var(--foreground);margin:0;font-size:19px;font-weight:900;line-height:1.3}.tq-cta__text{color:var(--muted);margin:4px 0 0;font-size:15.5px;line-height:1.5}.tq-cta__btn{white-space:nowrap;justify-self:start}@media (min-width:760px){.tq-cta__btn{justify-self:end}}.tq-table{max-width:100%;margin:6px 0 10px;overflow-x:auto}.tq-table table{border-collapse:collapse;font-size:15.5px}.tq-table th,.tq-table td{border:1px solid var(--border);text-align:center;min-width:42px;padding:6px 12px}.tq-table th{background:var(--surface-soft);font-weight:800}.tq-math--inline{color:var(--muted);font-size:14px;font-style:italic}.tq-math--inline p{margin:0}.tq-photo{object-fit:contain;border:1px solid var(--border);background:#fff;border-radius:12px;max-width:100%;max-height:260px;display:block}.tq-emailed{text-align:center}