:root{--bg-deep:#06060f;--bg-glow-static:radial-gradient(circle at 50% 50%, #1a1a35 0%, #06060f 100%);--color-short-vowel:#ff4d6d;--color-long-vowel:#fc0;--color-consonant:#00d4ff;--color-digraph:#c6f;--color-magic-e:#ff9f1c;--color-r-controlled:#2ec4b6;--color-vowel-team:#ff5400;--color-correct:#00ffd5;--color-wrong:#ff2d55;--color-text-primary:#fff;--color-text-secondary:#ffffffb3;--color-text-dim:#ffffff4d;--glass-bg:#ffffff08;--glass-border:#ffffff14;--glass-blur:blur(12px);--ease-premium:cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg-deep);width:100%;height:100%;color:var(--color-text-primary);-webkit-user-select:none;user-select:none;touch-action:none;font-family:Kalam,Inter,-apple-system,system-ui,sans-serif;overflow:hidden}.app:before{content:"";filter:blur(80px);opacity:.15;z-index:-1;background:radial-gradient(circle at 30% 30%,#4361ee 0%,#0000 40%),radial-gradient(circle at 70% 20%,#7209b7 0%,#0000 40%),radial-gradient(circle at 40% 80%,#4cc9f0 0%,#0000 40%),radial-gradient(circle at 80% 80%,#f72585 0%,#0000 40%);width:200%;height:200%;animation:30s linear infinite liquid-flow,12s linear infinite hue-rotation;position:absolute;top:-50%;left:-50%}@keyframes liquid-flow{0%{transform:rotate(0)scale(1)}50%{transform:rotate(180deg)scale(1.1)}to{transform:rotate(360deg)scale(1)}}@keyframes hue-rotation{0%{filter:blur(80px)hue-rotate()}to{filter:blur(80px)hue-rotate(360deg)}}.app{flex-direction:column;justify-content:center;align-items:center;width:100vw;height:100vh;display:flex;position:relative;overflow:hidden}.level-indicator{letter-spacing:4px;text-transform:uppercase;color:var(--color-text-dim);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:100px;padding:8px 16px;font-size:11px;position:fixed;top:40px}.swipe-card{-webkit-backdrop-filter:blur(25px);backdrop-filter:blur(25px);border:1px solid var(--glass-border);background:#14142866;border-radius:32px;flex-direction:column;justify-content:center;align-items:center;width:min(380px,92vw);height:auto;min-height:480px;padding:40px;display:flex;position:relative;box-shadow:0 40px 100px #00000080}.word-display{letter-spacing:-2px;align-items:center;gap:8px;font-size:80px;font-weight:200;display:flex}.word-letter{position:relative}.word-slot{border-bottom:6px solid var(--glass-border);justify-content:center;min-width:40px;margin:0 4px;display:inline-flex}.ipa-tag{color:var(--color-text-dim);font-size:14px;font-family:var(--font-mono);white-space:nowrap;position:absolute;top:-24px;left:50%;transform:translate(-50%)}.card-level-tag{letter-spacing:2px;color:var(--color-text-dim);text-transform:uppercase;font-size:10px;position:absolute;top:16px}.card-instruction{color:var(--color-text-secondary);align-items:center;gap:16px;font-size:14px;font-weight:600;display:flex;position:absolute;bottom:24px}.sound-block{min-width:80px;height:80px;transition:transform .2s var(--ease-premium);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:20px;flex-direction:column;justify-content:center;align-items:center;font-size:32px;font-weight:700;display:flex}.sound-block-ipa{color:var(--color-text-dim);margin-top:2px;font-size:12px;font-weight:400}.category-short-vowel{border-color:var(--color-short-vowel);color:var(--color-short-vowel);box-shadow:0 0 20px #ff4d6d33}.category-long-vowel{border-color:var(--color-long-vowel);color:var(--color-long-vowel)}.category-consonant{border-color:var(--color-consonant);color:var(--color-consonant)}.phoneme-intro{flex-direction:column;align-items:center;gap:32px;display:flex}.intro-symbol{letter-spacing:-8px;font-size:140px;font-weight:800}.intro-ipa{color:var(--color-text-secondary);opacity:.8;font-family:serif;font-size:32px;font-style:italic}@keyframes intro-pop{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.phoneme-intro{animation:intro-pop .6s var(--ease-premium)}.swipe-card.dictation-card{background:linear-gradient(135deg,#14142899 0%,#1e143266 100%);border-width:2px}.swipe-card.correct-exit{transition:transform .35s var(--ease-premium), opacity .35s ease;opacity:0;pointer-events:none}@keyframes correct-word-flash{0%{color:var(--color-text-primary);transform:scale(1)}50%{color:var(--color-correct);text-shadow:0 0 20px #00e67680;transform:scale(1.08)}to{color:var(--color-correct);transform:scale(1.04)}}@keyframes wrong-word-shake{0%,to{color:var(--color-text-primary);transform:translate(0)}20%,60%{color:var(--color-wrong);transform:translate(-10px)}40%,80%{color:var(--color-wrong);transform:translate(10px)}}.word-correct-flash{animation:correct-word-flash .35s var(--ease-premium) forwards}.word-wrong-shake{animation:.3s cubic-bezier(.36,.07,.19,.97) both wrong-word-shake}.word-slot.active{border-bottom:2px solid #ffffff80;animation:1.5s infinite pulse-border}@keyframes pulse-border{0%,to{border-color:#fff3}50%{border-color:#fffc}}@keyframes card-enter{0%{opacity:0;transform:translateY(40px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}.card-entering{animation:card-enter .5s var(--ease-premium) both}.candidate-zone{z-index:5;position:absolute;top:50%;transform:translateY(-50%)}.candidate-zone.left{left:max(20px,5vw)}.candidate-zone.right{right:max(20px,5vw)}.constellation-toggle{border:1px solid var(--glass-border);background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);width:50px;height:50px;color:var(--color-text-dim);cursor:pointer;z-index:50;transition:all .2s var(--ease-premium);border-radius:50%;justify-content:center;align-items:center;display:flex;position:fixed;bottom:40px;right:40px}.constellation-toggle:hover{color:#fff;background:#ffffff1a;transform:scale(1.05)}.constellation-toggle:active{transform:scale(.95)}.constellation-overlay{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:100;background:#06060ff2;flex-direction:column;align-items:center;padding:80px 20px;display:flex;position:fixed;inset:0;overflow-y:auto}.constellation-close{color:#fff;cursor:pointer;opacity:.5;background:0 0;border:none;font-size:40px;font-weight:200;line-height:1;transition:opacity .2s;position:absolute;top:40px;right:40px}.constellation-close:hover{opacity:1}.constellation-title{letter-spacing:4px;text-transform:uppercase;margin-bottom:20px;font-size:24px;font-weight:200}.constellation-star{border:1px solid var(--star-color);cursor:pointer;border-radius:24px;justify-content:center;align-items:center;width:48px;height:48px;font-size:18px;font-weight:600;transition:transform .2s;display:flex}.constellation-star:hover{box-shadow:0 0 20px var(--star-color);transform:scale(1.1);background:var(--star-color)!important;color:#000!important}