.app{gap:20px;display:grid}.app .modes{gap:10px;display:grid}.app .mode{all:unset;box-sizing:border-box;cursor:pointer;background:var(--sheet);border:1px solid var(--line);border-radius:var(--radius);grid-template-columns:1fr auto;align-items:center;gap:4px 16px;padding:16px 20px;transition:border-color .15s;display:grid}.app .mode:hover:not([disabled]){border-color:var(--ink)}.app .mode:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app .mode b{font-size:17px;font-weight:600}.app .mode small{color:var(--muted);grid-column:1;font-size:14px}.app .mode .go{color:var(--muted);white-space:nowrap;grid-area:1/2/span 2;font-size:13px;font-weight:500}.app .mode[disabled]{opacity:.5;cursor:default}.app .stats{color:var(--muted);flex-wrap:wrap;gap:24px;font-size:14px;display:flex}.app .stats b{color:var(--ink);font:600 15px var(--f-body);font-variant-numeric:tabular-nums}.app .bar{color:var(--muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;font-size:14px;font-weight:500;display:flex}.app .clock{font-family:var(--f-mono);font-variant-numeric:tabular-nums}.app .progress{background:var(--line);border-radius:2px;height:4px;overflow:hidden}.app .progress i{background:var(--accent);height:100%;transition:width .25s;display:block}.app .qcard{background:var(--sheet);border:1px solid var(--line);border-radius:var(--radius);gap:18px;padding:22px 20px;display:grid}.app .qhead{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.app .qtag{font:600 11px/1 var(--f-body);text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}[lang=ar] .app .qtag,[lang=ar] .app .stamp{letter-spacing:0}.app .qtag.values{color:var(--accent)}.app .trbtn{all:unset;cursor:pointer;font:600 14px var(--f-body);color:var(--accent)}.app .trbtn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app .qtext{gap:6px;display:grid}.app .qtext .da{outline:none;font:23px/1.3 Young Serif,Georgia,serif}.app .qtext .tr{color:var(--muted)}.app .answers{gap:8px;display:grid}.app .ans{all:unset;box-sizing:border-box;cursor:pointer;border:1px solid var(--line);border-radius:8px;grid-template-columns:30px 1fr;align-items:center;gap:12px;padding:12px 14px;display:grid}.app .ans:hover:not([disabled]){border-color:var(--ink)}.app .ans:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app .ans .k{font:600 13px var(--f-body);border:1px solid var(--line);width:30px;height:30px;color:var(--muted);border-radius:50%;place-items:center;display:grid}.app .ans .txt{gap:2px;min-width:0;display:grid}.app .ans .txt small{color:var(--muted);font-size:14px}.app .ans.sel{border-color:var(--ink)}.app .ans.sel .k{background:var(--ink);color:var(--paper);border-color:var(--ink)}.app .ans.right{border-color:var(--good);background:var(--good-soft)}.app .ans.right .k{background:var(--good);color:var(--sheet);border-color:var(--good)}.app .ans.wrong{border-color:var(--bad);background:var(--bad-soft)}.app .ans.wrong .k{background:var(--bad);color:var(--sheet);border-color:var(--bad)}.app .ans[disabled]{cursor:default}.app .explain{border-top:1px solid var(--line);gap:6px;padding-top:14px;font-size:16px;display:grid}.app .verdict{font-weight:600}.app .ok{color:var(--good)}.app .no{color:var(--bad)}.app .note{color:var(--muted);font-size:13px}.app .actions{flex-wrap:wrap;justify-content:space-between;gap:10px;display:flex}.app .result{background:var(--sheet);border:1px solid var(--line);border-radius:var(--radius);gap:16px;padding:24px 20px;display:grid}.app .stamp{font:600 13px/1 var(--f-body);text-transform:uppercase;letter-spacing:.1em;border:2px solid;border-radius:4px;width:max-content;max-width:100%;padding:8px 12px;display:inline-block;transform:rotate(-2deg)}.app .score{font-variant-numeric:tabular-nums;outline:none;font:56px/1 Young Serif,Georgia,serif}.app .score small{color:var(--muted);font-size:22px}.app .rules{gap:6px;font-size:15px;display:grid}.app .rule{align-items:baseline;gap:10px;display:flex}.app .rule i{font-style:normal;font-weight:700}.app .review-title{font:600 13px/1 var(--f-body);text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.app .review{gap:8px;display:grid}.app .review details{border:1px solid var(--line);background:var(--sheet);border-radius:8px;padding:10px 14px}.app .review summary{cursor:pointer;font-size:15px}.app .review summary b{margin-inline-end:8px}.app .review p{color:var(--muted);margin-top:8px;font-size:14px}.app .mode{box-shadow:var(--shadow);transition:border-color .2s, transform .3s var(--ease), box-shadow .3s var(--ease)}.app .mode:hover:not([disabled]){box-shadow:var(--shadow-lg);transform:translateY(-2px)}.app .mode .go{background:var(--paper);border-radius:999px;padding:6px 10px}.app .qcard{box-shadow:var(--shadow);border-radius:16px}@keyframes card-in{0%{opacity:0;transform:translate(28px)}to{opacity:1;transform:none}}@keyframes card-in-rtl{0%{opacity:0;transform:translate(-28px)}to{opacity:1;transform:none}}.app .qcard.enter{animation:card-in .45s var(--ease) both}[dir=rtl] .app .qcard.enter{animation-name:card-in-rtl}.app .ans{transition:border-color .2s, background-color .25s, transform .2s var(--ease)}.app .ans:active:not([disabled]){transform:scale(.985)}@keyframes pop{0%{transform:scale(1)}40%{transform:scale(1.03)}to{transform:scale(1)}}@keyframes shake{0%,to{transform:none}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(3px)}}@keyframes tick-in{0%{transform:scale(.4)}to{transform:none}}.app .ans.right{animation:pop .45s var(--ease)}.app .ans.right .k{animation:tick-in .35s var(--ease)}.app .ans.wrong{animation:.45s shake}.app .ans.sel .k{animation:tick-in .25s var(--ease)}@keyframes fade-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.app .explain{animation:fade-up .4s var(--ease) both}.app .progress{border-radius:3px;height:6px}.app .progress i{background:linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 70%, var(--gold)));width:0;transition:width .6s var(--ease);border-radius:3px}@keyframes stamp{0%{opacity:0;transform:scale(2.4)rotate(-14deg)}60%{opacity:1;transform:scale(.94)rotate(-2deg)}to{transform:scale(1)rotate(-2deg)}}.app .stamp{border-width:3px;padding:10px 16px;font-size:15px;animation:.55s cubic-bezier(.3,1.4,.5,1) .15s both stamp}.app .result{box-shadow:var(--shadow-lg);animation:fade-up .4s var(--ease) both;border-radius:16px}.app .review details{animation:fade-up .4s var(--ease) both}.app .tutor{border-top:1px solid var(--line);padding-top:14px}.app .tutor-open{gap:8px}.app .spark{color:var(--accent)}.app .tutor-panel{animation:fade-up .35s var(--ease) both;gap:12px;display:grid}.app .tutor-head{align-items:center;gap:8px;font-weight:600;display:flex}.app .tmsgs{gap:8px;max-height:340px;display:grid;overflow-y:auto}.app .tmsg{max-width:90%;animation:fade-up .3s var(--ease) both;border-radius:14px;margin:0;padding:10px 14px;font-size:15px}.app .tmsg.user{background:var(--ink);color:var(--paper);border-end-end-radius:4px;justify-self:end}.app .tmsg.assistant{background:var(--paper);border:1px solid var(--line);border-end-start-radius:4px;justify-self:start}.app .tmsg.pending{align-items:center;gap:5px;min-height:40px;display:flex}.app .tmsg.pending i{background:var(--muted);border-radius:50%;width:7px;height:7px;animation:1s ease-in-out infinite tutor-bob}.app .tmsg.pending i:nth-child(2){animation-delay:.15s}.app .tmsg.pending i:nth-child(3){animation-delay:.3s}@keyframes tutor-bob{0%,80%,to{opacity:.4;transform:translateY(0)}40%{opacity:1;transform:translateY(-4px)}}.app .chips{flex-wrap:wrap;gap:8px;display:flex}.app .chip{all:unset;cursor:pointer;border:1px solid var(--line);background:var(--sheet);border-radius:999px;padding:6px 12px;font-size:14px;transition:border-color .2s}.app .chip:hover:not([disabled]){border-color:var(--accent)}.app .chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app .chip[disabled]{opacity:.5;cursor:default}.app .tform{gap:8px;display:flex}.app .tform input{min-width:0;font:15px var(--f-body);color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:999px;flex:1;padding:9px 14px}.app .tform input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.app .tnote{color:var(--muted);font-size:13px}.app .tnote.warn{color:var(--bad)}.practice[data-astro-cid-ktmsgx3c]{gap:24px;max-width:680px;display:grid}.practice[data-astro-cid-ktmsgx3c] h1[data-astro-cid-ktmsgx3c]{font-size:36px}.note[data-astro-cid-ktmsgx3c]{color:var(--muted);font-size:15px}