:root{--bg:#f6f7f4;--surface:#fff;--ink:#17211f;--muted:#5b6764;--line:#dde3df;--brand:#0f766e;--brand-ink:#fff;--brand-soft:#e3f3f0;--good:#166534;--good-soft:#e4f5e9;--bad:#9a3412;--bad-soft:#fdeee4;--mark:#fde68a;--radius:14px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--ink);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Noto Sans,Noto Sans Bengali,sans-serif;font-size:16px;line-height:1.5}[lang=bn]{color:var(--muted);font-family:Noto Sans Bengali,Hind Siliguri,SolaimanLipi,Vrinda,system-ui,sans-serif;line-height:1.7}.screen{max-width:560px;margin:0 auto;padding:12px 16px 96px}a{color:var(--brand)}h1,h2,p{margin:0}.topbar{justify-content:space-between;align-items:center;gap:12px;min-height:44px;font-size:.9rem;display:flex}.back{padding:10px 0;font-weight:600;text-decoration:none}.progress-label{color:var(--muted)}.word-head{text-align:center;padding:12px 0 16px}.word-head h1{letter-spacing:-.01em;overflow-wrap:anywhere;font-size:2.75rem;line-height:1.1}.word-head h1.set-title{font-size:1.5rem}.ipa{color:var(--brand);min-height:2.25rem;margin-top:4px;font-family:Charis SIL,Doulos SIL,Noto Sans,Segoe UI,system-ui,sans-serif;font-size:1.5rem}.silent-note{color:var(--muted);font-size:.95rem}.meaning{color:var(--muted);text-align:left;margin-top:10px;font-size:.95rem}.btn{border:1.5px solid var(--line);background:var(--surface);min-height:48px;color:var(--ink);font:inherit;cursor:pointer;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-weight:600;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}.btn-audio{border-color:var(--brand);color:var(--brand);margin-top:12px}.btn-audio [lang=bn]{color:inherit;font-weight:400}.btn-wide{width:100%;display:flex}.btn:focus-visible,.mic-button:focus-visible,a:focus-visible,summary:focus-visible{outline-offset:2px;outline:3px solid #f59e0b}.tip,.tip-card{background:var(--brand-soft);border-radius:var(--radius);margin:4px 0 16px;padding:12px 14px}.tip summary{cursor:pointer;min-height:28px;font-weight:600}.tip summary [lang=bn]{margin-left:6px;font-weight:400}.tip p,.tip-card p+p{margin-top:8px}.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px;padding:14px}.step h2{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px;font-size:1.05rem;display:flex}.step h2 [lang=bn]{font-size:.9rem;font-weight:400}.step-number{background:var(--brand);width:26px;height:26px;color:var(--brand-ink);border-radius:50%;place-items:center;font-size:.85rem;display:inline-grid}.clip-frame{aspect-ratio:16/9;background:#000;border-radius:10px;position:relative;overflow:hidden}.clip-holder,.clip-holder iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.clip-text{color:var(--muted);margin:10px 0;font-size:.95rem}.clip-text mark{background:var(--mark);color:var(--ink);border-radius:4px;padding:0 3px;font-weight:700}.clip-controls{flex-wrap:wrap;gap:10px;display:flex}.clip-controls .btn{flex:140px}.attribution{color:var(--muted);margin-top:10px;font-size:.8rem}.mic{flex-direction:column;gap:12px;display:flex}.mic-button{border-radius:var(--radius);background:var(--brand);width:100%;min-height:64px;color:var(--brand-ink);font:inherit;cursor:pointer;border:0;justify-content:center;align-items:center;gap:10px;font-size:1.1rem;font-weight:700;display:flex}.mic-button.is-listening{background:#b91c1c;animation:1.2s ease-in-out infinite pulse}.mic-icon{font-size:1.4rem}@keyframes pulse{50%{box-shadow:0 0 0 10px #b91c1c26}}@media (prefers-reduced-motion:reduce){.mic-button.is-listening{animation:none}}.feedback:empty{display:none}.feedback-card{border-left:5px solid var(--muted);background:#eef0ee;border-radius:10px;flex-direction:column;gap:4px;padding:12px 14px;display:flex}.feedback-card.is-good{background:var(--good-soft);border-color:var(--good);color:var(--good)}.feedback-card.is-bad{background:var(--bad-soft);border-color:var(--bad);color:var(--bad)}.feedback-card [lang=bn]{color:inherit}.accent-pick{color:var(--muted);align-items:center;gap:8px;font-size:.9rem;display:flex}.accent-pick select{min-height:40px;font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:8px;padding:4px 8px}.honest,.notice{color:var(--muted);font-size:.85rem}.self-review audio{width:100%;margin-bottom:8px}.self-review p{margin-bottom:10px}.next-bar{padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:linear-gradient(to top, var(--bg) 70%, transparent);position:fixed;bottom:0;left:0;right:0}.next-bar .btn{max-width:528px;margin:0 auto}.brand{padding:20px 0 16px}.brand h1{color:var(--brand);font-size:2rem}.set-list,.word-chips{margin:0;padding:0;list-style:none}.set-list{gap:10px;display:grid}.set-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);color:var(--ink);flex-direction:column;gap:2px;padding:14px;text-decoration:none;display:flex}.set-card small{color:var(--muted)}.word-chips{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:16px;display:grid}.word-chips a{background:var(--surface);border:1px solid var(--line);min-height:48px;color:var(--ink);border-radius:10px;flex-direction:column;padding:8px 12px;font-weight:600;text-decoration:none;display:flex}.ipa-small{color:var(--brand);font-size:.85rem;font-weight:400}.brand{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.streak{background:var(--surface);border:1px solid var(--line);min-width:72px;color:var(--muted);border-radius:12px;flex-direction:column;align-items:center;padding:6px 10px;font-size:.75rem;line-height:1.2;display:flex}.streak strong{color:var(--ink);font-size:1.5rem}.streak.is-on{background:#fff7e6;border-color:#f59e0b}.streak.is-on strong{color:#b45309}.today{background:var(--surface);border:2px solid var(--brand);border-radius:var(--radius);flex-direction:column;gap:6px;margin-bottom:20px;padding:14px;display:flex}.today h2,.section-title{font-size:1.05rem}.today h2 [lang=bn],.section-title [lang=bn]{margin-left:4px;font-size:.9rem;font-weight:400}.today .btn{margin-top:6px}.section-title{margin:0 0 10px}.bar{background:#e6ebe8;border-radius:999px;height:8px;margin:8px 0 4px;position:relative;overflow:hidden}.bar span{border-radius:999px;position:absolute;inset:0 auto 0 0}.bar-practised{background:#8fd0c7}.bar-strong{background:var(--brand)}.set-actions{flex-wrap:wrap;gap:10px;display:flex}.set-actions .btn{flex:140px}.set-actions [lang=bn]{color:inherit;font-weight:400}.set-actions+.notice{margin-top:10px}.box-dots{color:var(--brand);letter-spacing:1px;font-size:.6rem;font-weight:400}.homophones{margin-top:20px}.homophones ul{margin:0;padding-left:20px}.choices{grid-template-columns:1fr 1fr;gap:10px;margin:12px 0;display:grid}.choice{border:2px solid var(--line);border-radius:var(--radius);background:var(--surface);min-height:84px;color:var(--ink);font:inherit;cursor:pointer;flex-direction:column;align-items:center;gap:2px;padding:12px 8px;display:flex}.choice strong{overflow-wrap:anywhere;font-size:1.5rem}.choice:disabled{cursor:default;opacity:.55}.choice.is-right,.letter.is-right{opacity:1;border-color:var(--good);background:var(--good-soft)}.choice.is-wrong,.letter.is-wrong{opacity:1;border-color:var(--bad);background:var(--bad-soft)}.step>.feedback-card,.step>.clip-controls,.step>.btn-audio{margin-top:10px}.say-block+.say-block{border-top:1px solid var(--line);margin-top:16px;padding-top:16px}.say-word{margin-bottom:8px;font-size:1.25rem;font-weight:700}.tick{color:var(--good)}.letters{flex-wrap:wrap;justify-content:center;gap:6px;margin:8px 0 12px;display:flex}.letter{border:2px solid var(--line);background:var(--surface);min-width:44px;min-height:56px;color:var(--ink);font:inherit;cursor:pointer;border-radius:10px;padding:0 6px;font-size:1.75rem;font-weight:700}.letter:disabled{cursor:default}.summary{text-align:center}.summary h1{color:var(--brand);font-size:2.5rem}.summary p{margin:8px 0 14px}.search-link{background:var(--surface);border:1.5px solid var(--line);min-height:52px;color:var(--ink);border-radius:999px;align-items:center;gap:10px;margin-bottom:20px;padding:10px 14px;font-weight:600;text-decoration:none;display:flex}.search-link [lang=bn]{margin-left:4px;font-size:.9rem;font-weight:400}.search-form{margin-bottom:20px}.search-form label{margin-bottom:6px;font-weight:600;display:block}.search-row{gap:8px;display:flex}.search-row input{border:1.5px solid var(--line);background:var(--surface);min-width:0;min-height:48px;color:var(--ink);font:inherit;border-radius:999px;flex:auto;padding:8px 14px;font-size:1.05rem}.search-row input:focus-visible{outline-offset:2px;outline:3px solid #f59e0b}.search-row input[aria-invalid=true]{border-color:var(--bad)}.field-error{color:var(--bad);margin-top:8px;font-size:.9rem}.field-error [lang=bn]{color:inherit}.chips{flex-wrap:wrap;gap:8px;margin:0 0 20px;padding:0;list-style:none;display:flex}.chip{border:1.5px solid var(--line);background:var(--surface);min-height:44px;color:var(--ink);font:inherit;cursor:pointer;border-radius:999px;align-items:center;padding:6px 16px;font-weight:600;text-decoration:none;display:inline-flex}.alikes{margin-bottom:4px}.streak span{text-align:center}.word-chips a>span:first-child{overflow-wrap:anywhere}