/* Scoped to the IntoChemistry v7 practice widget only. */
.icv7-drill,.icv7-drill *{box-sizing:border-box}
.icv7-drill{--navy:#0a2b59;--blue:#0769d5;--border:#d4e5f1;--ink:#203e58;max-width:1250px;margin:26px auto 50px;padding:24px;border:1px solid var(--border);border-radius:16px;background:linear-gradient(120deg,#f6fbff,#fff 60%);box-shadow:0 8px 26px rgba(9,52,94,.06);font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink)}
.icv7-drill h2{font:700 clamp(25px,2.1vw,32px)/1.24 Georgia,"Times New Roman",serif!important;color:var(--navy);margin:0 0 7px!important}
.icv7-drill p{font-size:15px;line-height:1.55}.icv7-drill-lead{margin:0 0 16px;color:#55728a}
.icv7-panel{border:1px solid var(--border);border-radius:12px;background:white;padding:20px}
.icv7-topline{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-weight:750;color:var(--navy);margin-bottom:12px}
.icv7-progress-track{height:9px;background:#e5edf4;border-radius:20px;overflow:hidden;margin:0 0 18px}.icv7-progress-track span{display:block;background:#1074d8;width:0;height:100%;transition:width .25s}
.icv7-question{font-weight:750;font-size:19px!important;margin:4px 0 16px;color:#123e6c}
.icv7-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.icv7-choice{display:flex;align-items:center;gap:11px;min-width:0;border:1px solid #cbdfee;border-radius:10px;background:#fff;padding:13px;font-size:15px;cursor:pointer;line-height:1.45}
.icv7-choice:has(input:checked){border-color:var(--blue);background:#eaf4ff}
.icv7-choice input{accent-color:#0c69cf;min-width:17px;min-height:17px;margin:0}.icv7-choice span{overflow-wrap:anywhere}
.icv7-feedback{margin:16px 0 0;padding:14px;border-radius:9px;border:1px solid #d7e6f0;line-height:1.6;background:#f5faff;display:none}
.icv7-feedback.good{background:#e9f8f1;color:#065b3b;border-color:#b5ddc7;display:block}.icv7-feedback.bad{background:#fff3ed;color:#823f1d;border-color:#f1d3c2;display:block}.icv7-feedback.warn{display:block}
.icv7-controls{display:flex;gap:10px;flex-wrap:wrap;margin-top:17px}.icv7-controls button{border:1px solid #0b60b2;border-radius:9px;background:#086bd6;color:#fff;font-weight:750;cursor:pointer;padding:11px 21px;font-size:14px}.icv7-controls button.icv7-secondary{background:#fff;color:#075baa}.icv7-controls button:disabled{opacity:.55;cursor:not-allowed}.icv7-drill input:focus-visible,.icv7-drill button:focus-visible{outline:3px solid #f0b43c;outline-offset:3px}
.icv7-complete{font-weight:700;color:#065f40;font-size:18px;padding:12px 0}
@media(max-width:700px){.icv7-drill{margin:20px 9px 35px;padding:15px}.icv7-panel{padding:14px}.icv7-choices{grid-template-columns:1fr}.icv7-controls button{flex:1}}
@media(prefers-reduced-motion:reduce){.icv7-progress-track span{transition:none}}