:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:#23263c;background:#f7f8fc;font-synthesis:none;--blue:#334df0;--muted:#71778c}*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;border:1px solid #e0e3ee;background:white;color:inherit;border-radius:12px;padding:14px 20px;transition:background .18s,transform .18s}button:hover{background:#eff1fc}button:active{transform:translateY(1px)}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #f1aa32;outline-offset:4px}.header{height:94px;padding:0 max(5%,calc((100vw - 1180px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e7e9f1;background:#fff}.brand{display:flex;align-items:center;gap:12px;font-size:25px;font-weight:750;text-decoration:none;color:inherit;letter-spacing:-1px}.logo{background:var(--blue);color:white;font-size:33px;width:44px;height:44px;display:grid;place-items:center;border-radius:14px;font-weight:400}.brand-note{font-size:14px;letter-spacing:0;font-weight:400;color:var(--muted);border-left:1px solid #dddfea;margin-left:12px;padding-left:24px}main{max-width:1180px;margin:auto;padding:48px 0 24px}.heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:36px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--blue);font-weight:750;margin:0 0 14px}h1{font-size:38px;letter-spacing:-1.5px;line-height:1.15;margin:0 0 14px}.subtitle{color:var(--muted);margin:0;font-size:17px}.mode{display:flex;background:#e9ecf5;padding:5px;border-radius:14px;gap:4px}.mode button{border:0;background:none;font-size:14px;font-weight:650;padding:12px 22px}.mode button.selected{background:#fff;color:var(--blue);box-shadow:0 2px 7px #20254b0c}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 344px;gap:48px}.toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;color:var(--muted);gap:8px}.toolbar>span{font-size:12px;font-weight:700;letter-spacing:1.5px}.toolbar>div{display:flex;gap:8px}.small{padding:8px 10px;background:transparent;border:0;font-size:14px}.small:first-letter{font-size:20px}.flashcard{display:block;width:100%;height:355px;border:0;background:none;padding:0;perspective:1400px;border-radius:24px;text-align:center}.flashcard:hover{background:none}.card-inner{display:block;position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.7,.2,1)}.flipped .card-inner{transform:rotateY(180deg)}.face{position:absolute;inset:0;border-radius:24px;background:var(--blue);color:#fff;backface-visibility:hidden;display:flex;align-items:center;justify-content:center;flex-direction:column;box-shadow:0 16px 32px #334df01a;overflow:hidden}.face::after{content:"";position:absolute;width:290px;height:290px;border:1px solid #ffffff15;border-radius:50%;right:-175px;top:-130px;box-shadow:0 0 0 40px #ffffff06,0 0 0 80px #ffffff04;pointer-events:none}.face.back{transform:rotateY(180deg);background:#293fcf}.card-top{position:absolute;top:24px;left:28px;right:28px;display:flex;justify-content:space-between;color:#d5ddff;font-size:12px;letter-spacing:1.2px}.letter{font-family:"Noto Sans Georgian","Arial",sans-serif;font-weight:400;font-size:150px;line-height:1.2;margin-top:-10px}.flip-hint{position:absolute;bottom:27px;font-size:14px;color:#e0e5ff}.answer-title{font-size:clamp(25px,4vw,44px);line-height:1.15;margin:8px 24px 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solid #e8eaf2;border-radius:20px;padding:24px;margin-bottom:18px}.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:8px}h2{font-size:16px;margin:0;font-weight:650}.tiny-label{font-size:10px;letter-spacing:1px;color:var(--muted)}.progress-number{display:flex;align-items:baseline;gap:8px;margin:22px 0 12px}.progress-number strong{font-size:38px;font-weight:650;letter-spacing:-1px}.progress-number span{font-size:14px;color:var(--muted)}#percent{margin-left:auto;color:var(--blue);font-weight:600}progress{display:block;width:100%;height:7px;border:0;border-radius:8px;overflow:hidden;background:#edf0f8}progress::-webkit-progress-bar{background:#edf0f8}progress::-webkit-progress-value{background:var(--blue);border-radius:8px}progress::-moz-progress-bar{background:var(--blue)}.legend{display:flex;gap:23px;font-size:12px;color:var(--muted);margin:17px 0}.legend b{color:#34394e;margin-left:3px}.dot{width:7px;height:7px;display:inline-block;border-radius:50%;margin-right:6px}.learned{background:#42a77d}.review{background:#e7aa46}.muted{color:var(--muted);font-size:12px;line-height:1.7}.progress-panel>p{margin:18px 0 0}.alphabet{display:grid;grid-template-columns:repeat(6,1fr);gap:7px;margin:20px 0 16px}.alphabet button{padding:0;aspect-ratio:1;border-radius:9px;border:1px solid transparent;background:#f4f5fa;font-size:24px;position:relative}.alphabet button.is-known{background:#e6f3ed;color:#237454}.alphabet button.is-review{background:#fff1d7;color:#906313}.alphabet button.current{border-color:var(--blue);color:var(--blue);background:#eef0ff;box-shadow:0 0 0 1px var(--blue)}.alphabet-panel>p{margin:0}.tip{padding:0 7px;font-size:14px;color:var(--muted);line-height:1.6}.tip summary{cursor:pointer;color:#515975}.tip p{font-size:13px}footer{border-top:1px solid #e4e7f0;margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;font-size:15px}footer .muted{margin-left:6px}.quiz-card{height:250px;border-radius:24px;background:#eef0ff;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--blue)}.quiz-card p{color:#616983;font-size:14px;margin:4px}.quiz-card .letter{font-size:130px}.choices{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}.choices button{font-size:18px;line-height:1.25;padding:17px}.choices button.correct{background:#e6f3ed;color:#237454;border-color:#6cb492;opacity:1}.choices button.wrong{background:#ffeded;color:#ab3c48;border-color:#dc8992;opacity:1}.result{min-height:355px;background:#eef0ff;border-radius:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:25px}.result h2{font-size:27px;margin:12px 0}.result strong{font-size:65px;color:var(--blue)}.result p{color:var(--muted);line-height:1.6}dialog{border:0;border-radius:22px;max-width:460px;padding:28px;color:#23263c;box-shadow:0 20px 100px #17245a33}dialog h2{font-size:24px}dialog p{line-height:1.6;color:var(--muted)}dialog::backdrop{background:#171d4266}dialog .actions{margin-top:25px}dialog button{font-size:14px;padding:12px}
@media(max-width:1250px){main{padding:38px 5% 24px}.workspace{gap:30px;grid-template-columns:minmax(0,1fr) 320px}}@media(max-width:850px){.brand-note{display:none}.header{height:76px}.heading{align-items:flex-start;gap:24px;flex-direction:column}.workspace{grid-template-columns:1fr}.mode{width:100%}.mode button{flex:1}.flashcard{height:340px}.practice{max-width:680px;width:100%;margin:auto}aside{display:grid;grid-template-columns:1fr 1fr;gap:18px}.progress-panel,.alphabet-panel{margin:0}.tip{grid-column:1/-1}.alphabet{gap:5px}.alphabet button{font-size:22px}.keyboard{display:none}h1{font-size:34px}}@media(max-width:540px){main{padding-top:30px}.eyebrow{font-size:10px;letter-spacing:1.5px}h1{font-size:30px}.subtitle{font-size:15px}.heading{margin-bottom:24px}.workspace{gap:28px}.toolbar>span{font-size:10px;letter-spacing:1px}.small{font-size:12px;padding:6px}.toolbar>div{gap:2px}.flashcard{height:320px}.letter{font-size:137px}.navigation{font-size:12px;gap:8px}.actions{gap:10px}.actions button{padding:13px}aside{display:flex;flex-direction:column;gap:16px}.alphabet{grid-template-columns:repeat(8,1fr)}.progress-panel,.alphabet-panel{padding:22px}.alphabet button{font-size:23px}.brand{font-size:23px}footer{margin-top:30px;gap:15px}.result strong{font-size:54px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}