*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:#0a0a0a;color:#e8e8e8;-webkit-font-smoothing:antialiased;min-height:100vh;min-height:100dvh;overscroll-behavior:none}:root{--red: #e63946;--red-dark: #c1121f;--red-glow: rgba(230, 57, 70, .25);--bg: #0a0a0a;--bg-card: #141418;--bg-card-hover: #1a1a20;--bg-input: #1a1a20;--border: rgba(255,255,255,.08);--border-active: rgba(255,255,255,.18);--text: #e8e8e8;--text-muted: rgba(255,255,255,.5);--text-dim: rgba(255,255,255,.3);--green: #22c55e;--yellow: #eab308;--radius: 12px;--safe-bottom: env(safe-area-inset-bottom, 0px)}#app{max-width:480px;margin:0 auto;min-height:100vh;min-height:100dvh;position:relative;padding-bottom:calc(70px + var(--safe-bottom))}.app-header{padding:16px 20px 12px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50;background:#0a0a0aeb;backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.app-header .brand{font-size:.72rem;font-weight:800;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em}.app-header .brand span{color:var(--red)}.streak-badge{display:flex;align-items:center;gap:6px;background:var(--bg-card);padding:6px 12px;border-radius:20px;font-size:.82rem;font-weight:700;border:1px solid var(--border)}.xp-badge{font-size:.78rem;font-weight:600;color:var(--yellow)}.tab-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:100;background:#0a0a0af2;backdrop-filter:blur(12px);border-top:1px solid var(--border);padding-bottom:var(--safe-bottom)}.tab-nav button{flex:1;background:none;border:none;color:var(--text-dim);padding:10px 4px 8px;display:flex;flex-direction:column;align-items:center;gap:3px;font-family:inherit;font-size:.68rem;font-weight:600;cursor:pointer;transition:color .2s;-webkit-tap-highlight-color:transparent}.tab-nav button.active{color:var(--red)}.tab-nav button svg{width:22px;height:22px}.screen{padding:20px;display:none}.screen.active{display:block;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.home-hero{text-align:center;padding:24px 0 28px}.home-hero h1{font-size:1.5rem;font-weight:900;letter-spacing:-.02em;margin-bottom:4px}.home-hero h1 span{color:var(--red)}.home-hero p{color:var(--text-muted);font-size:.88rem}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 10px;text-align:center}.stat-card .val{font-size:1.4rem;font-weight:800;display:block}.stat-card .val.red{color:var(--red)}.stat-card .val.green{color:var(--green)}.stat-card .val.yellow{color:var(--yellow)}.stat-card .lbl{font-size:.7rem;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em;margin-top:2px;display:block}.section-title{font-size:.75rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px}.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:28px}.cat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 14px;cursor:pointer;transition:all .2s;position:relative;overflow:hidden;-webkit-tap-highlight-color:transparent}.cat-card:active{transform:scale(.97)}.cat-card .cat-icon{font-size:1.5rem;margin-bottom:8px;display:block}.cat-card .cat-name{font-weight:700;font-size:.88rem;margin-bottom:2px}.cat-card .cat-count{font-size:.75rem;color:var(--text-muted)}.cat-card .progress-bar{height:3px;background:#ffffff0f;border-radius:2px;margin-top:10px;overflow:hidden}.cat-card .progress-bar .fill{height:100%;background:var(--red);border-radius:2px;transition:width .4s ease}.cat-card.locked{opacity:.55}.cat-card.locked:after{content:"";position:absolute;inset:0}.lock-icon{position:absolute;top:12px;right:12px;font-size:1rem}.premium-cta{background:linear-gradient(135deg,var(--bg-card) 0%,#1a1018 100%);border:1px solid rgba(230,57,70,.2);border-radius:var(--radius);padding:20px;text-align:center;margin-bottom:20px}.premium-cta h3{font-size:1rem;font-weight:700;margin-bottom:6px}.premium-cta p{font-size:.82rem;color:var(--text-muted);margin-bottom:14px;line-height:1.5}.premium-cta a{display:inline-block;background:var(--red);color:#fff;padding:10px 24px;border-radius:8px;font-weight:600;font-size:.88rem;text-decoration:none;transition:all .2s}.premium-cta a:hover{background:#d62839;transform:translateY(-1px);box-shadow:0 8px 25px var(--red-glow)}.premium-cta a:active{transform:scale(.96)}.mode-header{display:flex;align-items:center;gap:10px;margin-bottom:20px}.mode-header .back-btn,.exercise-header .back-btn{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text);font-size:1.1rem;-webkit-tap-highlight-color:transparent}.mode-header h2{font-size:1.1rem;font-weight:800}.mode-cards{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}.mode-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 16px;cursor:pointer;display:flex;align-items:center;gap:14px;transition:all .2s;-webkit-tap-highlight-color:transparent}.mode-card:active{transform:scale(.98);background:var(--bg-card-hover)}.mode-card .mode-icon{font-size:1.6rem}.mode-card .mode-info{flex:1}.mode-card .mode-name{font-weight:700;font-size:.95rem;margin-bottom:2px}.mode-card .mode-desc{font-size:.78rem;color:var(--text-muted)}.mode-card .arrow{color:var(--text-dim);font-size:1.1rem}.exercise-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.exercise-header .counter{font-size:.82rem;color:var(--text-muted);font-weight:600}.exercise-progress{height:3px;background:#ffffff0f;border-radius:2px;margin-bottom:24px;overflow:hidden}.exercise-progress .fill{height:100%;background:var(--red);border-radius:2px;transition:width .3s ease}.flashcard{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 24px;text-align:center;cursor:pointer;transition:all .2s;-webkit-tap-highlight-color:transparent;position:relative}.flashcard:active{transform:scale(.98)}.flashcard .tap-hint{position:absolute;bottom:16px;font-size:.72rem;color:var(--text-dim)}.flashcard .word-de{font-size:1.8rem;font-weight:900;letter-spacing:-.02em;margin-bottom:8px}.flashcard .word-sk{font-size:1.1rem;color:var(--red);font-weight:600;margin-bottom:14px}.flashcard .example{font-size:.88rem;color:var(--text-muted);line-height:1.6;max-width:320px}.flashcard .example strong{color:var(--text);font-weight:600}.flashcard .tts-btn{position:absolute;top:16px;right:16px;background:#ffffff0f;border:none;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-muted);font-size:1.1rem;transition:all .2s}.flashcard .tts-btn:active{background:#ffffff1f}.rating-row{display:flex;gap:6px;margin-top:20px}.rating-row button{flex:1;padding:12px 4px;border-radius:8px;border:1px solid var(--border);background:var(--bg-card);color:var(--text);font-family:inherit;font-weight:700;font-size:.82rem;cursor:pointer;transition:all .15s;-webkit-tap-highlight-color:transparent}.rating-row button:active{transform:scale(.95)}.rating-row button.r1{border-color:#dc2626;color:#dc2626}.rating-row button.r2{border-color:#f97316;color:#f97316}.rating-row button.r3{border-color:#eab308;color:#eab308}.rating-row button.r4{border-color:#22c55e;color:#22c55e}.rating-row button.r5{border-color:#3b82f6;color:#3b82f6}.listen-area{text-align:center;padding:20px 0}.listen-play-btn{width:80px;height:80px;border-radius:50%;background:var(--red);border:none;color:#fff;font-size:2rem;cursor:pointer;margin:0 auto 24px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px var(--red-glow);transition:all .2s;-webkit-tap-highlight-color:transparent}.listen-play-btn:active{transform:scale(.93)}.listen-input-row{display:flex;gap:8px;margin-top:16px}.listen-input-row input{flex:1;background:var(--bg-input);border:1.5px solid var(--border);border-radius:8px;padding:14px 16px;color:var(--text);font-family:inherit;font-size:1rem;outline:none;transition:border-color .2s}.listen-input-row input:focus{border-color:var(--red)}.listen-input-row input::placeholder{color:var(--text-dim)}.listen-input-row button{background:var(--red);border:none;border-radius:8px;padding:0 20px;color:#fff;font-family:inherit;font-weight:700;font-size:.9rem;cursor:pointer;transition:all .2s}.result-box{margin-top:16px;padding:16px;border-radius:var(--radius);text-align:center;font-weight:600}.result-box.correct{background:#22c55e1a;border:1px solid rgba(34,197,94,.2);color:var(--green)}.result-box.wrong{background:#dc26261a;border:1px solid rgba(220,38,38,.2);color:#f87171}.result-box .correct-answer{display:block;margin-top:6px;font-size:.85rem;color:var(--text-muted);font-weight:500}.next-btn{width:100%;padding:14px;margin-top:16px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:inherit;font-weight:700;font-size:.95rem;cursor:pointer;transition:all .2s}.next-btn:active{background:var(--bg-card-hover)}.speak-target{text-align:center;padding:30px 0 10px}.speak-target .word{font-size:2rem;font-weight:900;letter-spacing:-.02em;margin-bottom:6px}.speak-target .hint{font-size:.85rem;color:var(--text-muted)}.mic-btn{width:80px;height:80px;border-radius:50%;background:var(--bg-card);border:2px solid var(--border);color:var(--text);font-size:2rem;cursor:pointer;margin:24px auto;display:flex;align-items:center;justify-content:center;transition:all .2s;-webkit-tap-highlight-color:transparent}.mic-btn.recording{background:var(--red);border-color:var(--red);color:#fff;box-shadow:0 0 0 8px var(--red-glow);animation:pulse 1.2s ease infinite}@keyframes pulse{0%,to{box-shadow:0 0 0 8px var(--red-glow)}50%{box-shadow:0 0 0 16px #e639461a}}.speech-text{text-align:center;font-size:.9rem;color:var(--text-muted);min-height:24px;margin-bottom:12px}.complete-screen{text-align:center;padding:40px 0}.complete-screen .trophy{font-size:3rem;margin-bottom:16px;display:block}.complete-screen h2{font-size:1.4rem;font-weight:800;letter-spacing:-.02em;margin-bottom:8px}.complete-screen p{color:var(--text-muted);font-size:.9rem;margin-bottom:4px}.complete-screen .xp-earned{font-size:1.5rem;font-weight:800;color:var(--yellow);margin:16px 0}.complete-btn{display:inline-block;background:var(--red);color:#fff;border:none;border-radius:8px;padding:14px 32px;font-family:inherit;font-weight:600;font-size:.95rem;cursor:pointer;margin-top:8px;transition:all .2s}.profile-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:12px}.profile-section h3{font-size:.9rem;font-weight:700;margin-bottom:12px}.profile-stat-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border);font-size:.88rem}.profile-stat-row:last-child{border:none}.profile-stat-row .label{color:var(--text-muted)}.profile-stat-row .value{font-weight:700}.reset-btn{width:100%;padding:12px;background:transparent;border:1px solid rgba(220,38,38,.3);border-radius:8px;color:#f87171;font-family:inherit;font-weight:600;font-size:.88rem;cursor:pointer;margin-top:8px}.install-banner{background:linear-gradient(135deg,var(--bg-card),#1a1018);border:1px solid rgba(230,57,70,.2);border-radius:var(--radius);padding:14px 16px;display:flex;align-items:center;gap:12px;margin-bottom:16px;cursor:pointer}.install-banner .install-text{flex:1}.install-banner .install-text strong{font-size:.88rem;display:block;margin-bottom:1px}.install-banner .install-text span{font-size:.75rem;color:var(--text-muted)}.install-banner .install-go{background:var(--red);color:#fff;border:none;border-radius:8px;padding:8px 14px;font-family:inherit;font-weight:600;font-size:.78rem;cursor:pointer;transition:all .2s}.word-list-item{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border)}.word-list-item .wl-de{font-weight:600;font-size:.9rem}.word-list-item .wl-sk{font-size:.78rem;color:var(--text-muted)}.hidden{display:none!important}