/* IntoChemistry v4 tool design — namespaced. Matches v3 navy/teal while inheriting site font. */
.icce{--navy:#102a4b;--blue:#145ca2;--teal:#087881;--line:#d4e3ec;--ink:#19324d;box-sizing:border-box;max-width:1080px;margin:20px auto 28px;padding:clamp(18px,3vw,30px);border:1px solid var(--line);border-radius:18px;background:#fff;color:var(--ink);font-family:inherit;font-size:16px;line-height:1.6;box-shadow:0 7px 22px rgba(22,55,80,.055)}
.icce *{box-sizing:border-box}.icce__eyebrow{font-size:.73rem;letter-spacing:.085em;text-transform:uppercase;color:#006b70;font-weight:800}.icce h2{font-size:clamp(1.32rem,2.6vw,1.8rem);line-height:1.2;color:var(--navy);margin:.25rem 0 .5rem}.icce p{margin:.3rem 0 1rem}.icce__top>p{color:#52657b}.icce__toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:.7rem;margin:20px 0 14px}.icce label{font-weight:700}.icce select,.icce input{border:2px solid #8aa7be;border-radius:8px;background:#fff;color:#15314f;font-size:1rem;padding:8px 10px;min-height:44px;font-family:inherit}.icce select{max-width:270px}.icce__question{padding:14px 16px;border-left:4px solid var(--teal);background:#f1f8fc;border-radius:4px 10px 10px 4px;font-weight:750}.icce__equation{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:9px 14px;background:#f4f9fd;border:1px solid var(--line);padding:20px 12px;margin:16px 0;border-radius:11px;min-height:100px}.icce__species{display:inline-flex;align-items:center;gap:6px}.icce__species input{width:57px;text-align:center;padding:8px 3px}.icce__formula{font-size:1.28rem;white-space:nowrap;color:#0b335a}.icce sub,.icce sup{font-size:.68em;line-height:0}.icce__operator,.icce__arrow{font-weight:800;color:var(--blue);font-size:1.4rem}.icce__ions{display:flex;flex-wrap:wrap;gap:18px;align-items:center;margin:16px 0;padding:17px;background:#f4f9fd;border-radius:12px}.icce__ion{font-size:1.45rem;font-weight:800;color:var(--navy)}.icce__label{display:block;margin-top:16px}.icce__answer{display:block;width:min(100%,360px);margin:7px 0 16px}.icce__actions{display:flex;gap:9px;flex-wrap:wrap;margin:18px 0}.icce button{min-height:44px;cursor:pointer;border-radius:9px;background:#0d5fa1;border:2px solid #0d5fa1;color:white;font-weight:800;padding:9px 13px;font-size:.93rem;font-family:inherit}.icce button:hover{background:#073f71}.icce button.icce__secondary{background:#fff;color:#124d7d;border-color:#9dbdd4}.icce button.icce__secondary:hover{background:#e8f3fc}.icce button:focus-visible,.icce input:focus-visible,.icce select:focus-visible{outline:3px solid #d08c08;outline-offset:3px}.icce__feedback{padding:10px 13px;margin:12px 0;background:#ebf8ee;color:#174a31;border-radius:8px;font-weight:750;min-height:22px}.icce__feedback:empty{display:none}.icce__feedback--bad{color:#7c3323;background:#fff0e9}.icce__detail{background:#f2f8fc;padding:14px 16px;border-left:3px solid #bf8c2b;border-radius:9px;margin:12px 0}.icce__detail[hidden]{display:none}.icce__atoms{overflow-x:auto;max-width:100%}.icce__atoms table{width:100%;border-collapse:collapse;max-width:540px;font-size:.88rem}.icce__atoms th,.icce__atoms td{text-align:left;border-bottom:1px solid var(--line);padding:7px 9px}.icce__atoms th{background:#e9f2fa;color:var(--navy)}.icce__score{font-size:.9rem;color:#52657b;margin:14px 0 0}.icce [aria-live]{scroll-margin-top:80px}@media(max-width:530px){.icce{padding:16px 12px}.icce__equation{gap:7px 9px}.icce__species{gap:3px}.icce__species input{width:48px}.icce__formula{font-size:1.07rem}.icce__actions button{flex:1 1 42%}}@media(prefers-reduced-motion:reduce){.icce *{scroll-behavior:auto!important;transition:none!important}}@media print{.icce{box-shadow:none}.icce__actions{display:none}}