:root{--sky:#dff3ff;--purple:#7b6dd8;--green:#42a883;--pink:#f48d8d}
.subject-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:16px}.subject-tabs button{border:2px solid transparent;background:var(--paper);border-radius:18px;padding:14px 8px;font-weight:850;color:var(--ink);cursor:pointer;box-shadow:0 4px 0 #dce4dd}.subject-tabs button span{display:block;font-size:1.5rem;margin-bottom:5px}.subject-tabs button.active{border-color:var(--purple);background:#efedff;transform:translateY(-2px);box-shadow:0 6px 0 #d9d3ff}.practice-settings{background:rgba(255,255,255,.62);border:1px solid var(--line);border-radius:20px;padding:12px;margin-bottom:16px}.practice-settings .topic-tabs{margin-bottom:10px}.digit-picker{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.digit-picker>span{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;font-weight:900;margin-right:5px}.digit-picker button{border:0;border-radius:11px;background:var(--sky);padding:9px 12px;font-weight:800;cursor:pointer}.digit-picker button.active{background:var(--ink);color:white}.round-label{position:absolute;top:27px;left:28px;font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;font-weight:900;color:var(--muted)}.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:620px;margin:0 auto 12px}.choice-grid .answer-choice,.choice-grid>button{min-height:74px;border:3px solid var(--line);background:#fff;border-radius:18px;padding:12px 16px;display:flex;align-items:center;gap:13px;text-align:left;color:var(--ink);cursor:pointer;transition:.16s}.answer-choice span{width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;border-radius:10px;background:var(--sky);font-weight:900}.answer-choice b{font-size:clamp(1rem,2.4vw,1.35rem);overflow-wrap:anywhere}.choice-grid button:hover:not(:disabled),.choice-grid button.selected{transform:translateY(-2px);border-color:var(--purple);box-shadow:0 6px 0 #ded9ff}.choice-grid button.correct{background:#dff8e9;border-color:var(--green);box-shadow:0 6px 0 #bce9d1}.choice-grid button.wrong{background:#ffe4e1;border-color:var(--pink);box-shadow:0 6px 0 #f7c7c2}.choice-grid button:disabled{cursor:default}.choice-loading{grid-column:1/-1;color:var(--muted);padding:24px}.practice-shell .question-card{background:linear-gradient(155deg,#fffef9 65%,#edf8ff)}.practice-shell .question{font-size:clamp(2.15rem,6vw,4.9rem);margin:72px auto 30px;max-width:760px}.practice-shell .feedback{font-size:1.12rem}.admin-grid{display:grid;grid-template-columns:minmax(320px,.85fr) 1.15fr;gap:24px}.stack textarea{width:100%;border:2px solid var(--line);border-radius:14px;padding:14px;background:#fff;font:inherit;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.question-list article{display:flex;justify-content:space-between;gap:15px;padding:14px 0;border-bottom:1px solid var(--line)}.question-list article div{display:grid;gap:4px}.question-list small{color:var(--muted)}.status{align-self:start;border-radius:99px;padding:5px 9px;font-size:.72rem;font-weight:900}.status.published{background:#dff8e9;color:#217052}.status.draft{background:#fff0bd;color:#765c13}
@media(max-width:760px){.subject-tabs{grid-template-columns:1fr 1fr}.admin-grid{grid-template-columns:1fr}.choice-grid{grid-template-columns:1fr}.choice-grid .answer-choice,.choice-grid>button{min-height:62px}.practice-shell .question{margin-top:82px}.round-label{left:18px}.form-row{grid-template-columns:1fr}}