:root{--green:#58cc02;--green-dark:#46a302;--blue:#1cb0f6;--blue-dark:#1899d6;--yellow:#ffc800;--red:#ff4b4b;--text:#3c3c3c;--text-light:#777;--bg:#fff;--border:#e5e5e5;--card-bg:#f7f7f7;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font:16px/1.5 Nunito,system-ui,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0}#root{flex-direction:column;max-width:480px;min-height:100svh;margin:0 auto;display:flex}h1,h2{color:var(--text);font-weight:800}.app-shell{padding-top:env(safe-area-inset-top);flex-direction:column;flex:1;display:flex}.install-banner{z-index:999;background:var(--text);color:#fff;align-items:center;gap:12px;padding:14px 16px 20px;transition:transform .4s cubic-bezier(.22,.68,0,1.2);display:flex;position:fixed;bottom:0;left:0;right:0;transform:translateY(110%);box-shadow:0 -4px 24px #00000040}.install-banner.show{transform:translateY(0)}.install-banner img{border-radius:12px;flex-shrink:0;width:48px;height:48px;box-shadow:0 2px 8px #0006}.install-banner-text{flex:1;min-width:0}.install-banner-text strong{font-size:14px;font-weight:800;line-height:1.2;display:block}.install-banner-text span{opacity:.85;margin-top:3px;font-size:12px;line-height:1.4;display:block}.install-banner-btn{background:var(--green);color:#fff;cursor:pointer;white-space:nowrap;border:none;border-radius:999px;flex-shrink:0;padding:9px 16px;font-size:13px;font-weight:800}.install-banner-close{color:#fff;opacity:.6;cursor:pointer;background:0 0;border:none;flex-shrink:0;padding:4px 4px 4px 8px;font-size:24px;line-height:1}.home-screen{padding:16px 20px 40px}.top-bar{justify-content:flex-end;align-items:center;gap:16px;padding:8px 0;display:flex}.icon-btn{cursor:pointer;background:0 0;border:none;padding:0;font-size:22px;line-height:1}.profile-bar{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin:-12px 0 20px;display:flex}.profile-name{color:var(--text-light);font-size:14px;font-weight:700}.stat{align-items:center;gap:4px;font-size:18px;font-weight:800;display:flex}.app-title{text-align:center;margin:8px 0 0;font-size:28px}.app-subtitle{text-align:center;color:var(--text-light);margin:4px 0 24px}.unit-path{flex-direction:column;gap:14px;display:flex}.unit-node{background:var(--card-bg);border:none;border:2px solid var(--border);text-align:left;cursor:pointer;border-radius:16px;align-items:center;gap:14px;padding:16px 18px;font-size:17px;font-weight:700;transition:transform .1s;display:flex}.unit-node:active{transform:scale(.98)}.unit-node:not(.locked){border-color:var(--green);color:var(--text);background:#fff}.unit-node.completed{border-color:var(--green);background:#eaffd6}.unit-node.locked{color:var(--text-light);cursor:not-allowed}.unit-emoji{font-size:28px}.unit-title{flex:1}.unit-stars{font-size:13px}.lesson-screen{flex-direction:column;flex:1;padding:16px 20px 32px;display:flex}.lesson-header{align-items:center;gap:14px;margin-bottom:32px;display:flex}.close-btn{color:var(--text-light);cursor:pointer;background:0 0;border:none;font-size:22px;line-height:1}.progress-bar{background:var(--border);border-radius:8px;flex:1;height:14px;overflow:hidden}.progress-fill{background:var(--green);border-radius:8px;height:100%;transition:width .3s}.hearts{white-space:nowrap;font-size:16px}.exercise{flex-direction:column;flex:1;display:flex}.exercise-instruction{color:var(--text-light);margin:0 0 8px;font-weight:700}.exercise-prompt{margin:0;font-size:26px}.prompt-row{align-items:center;gap:12px;margin:0 0 28px;display:flex}.intro-card{text-align:center;align-items:center;padding-top:40px}.intro-word-nl{color:var(--text-light);margin-bottom:12px;font-size:20px;font-weight:700}.intro-word-row{align-items:center;gap:14px;margin-bottom:40px;display:flex}.intro-word-sv{color:var(--blue-dark);font-size:34px;font-weight:800}.intro-card .primary-btn{width:100%;max-width:280px;margin-top:0}.intro-card .text-btn{margin-top:14px}.speak-btn{border:2px solid var(--border);cursor:pointer;background:#fff;border-radius:50%;flex-shrink:0;width:40px;height:40px;font-size:18px;line-height:1}.speak-btn:active{background:var(--card-bg)}.speak-btn.unavailable{opacity:.35}.choice-grid{flex-direction:column;gap:12px;margin-bottom:24px;display:flex}.choice-btn{border:2px solid var(--border);text-align:left;cursor:pointer;background:#fff;border-radius:14px;padding:16px;font-size:17px;font-weight:700;transition:border-color .15s,background-color .15s,transform .1s}.choice-btn:active:not(:disabled){transform:scale(.98)}.choice-btn.selected{border-color:var(--blue);background:#ddf4ff}.choice-btn.correct{border-color:var(--green);color:var(--green-dark);background:#d7ffb8}.choice-btn.wrong{border-color:var(--red);color:var(--red);background:#ffdfe0;animation:.3s shake}.typing-input{border:2px solid var(--border);border-radius:14px;margin-bottom:12px;padding:16px;font-family:inherit;font-size:18px;transition:border-color .15s,background-color .15s}.typing-input.correct{border-color:var(--green);background:#f0fff0}.typing-input.wrong{border-color:var(--red);background:#fff0f0;animation:.3s shake}.correct-answer{color:var(--red);margin-bottom:16px;font-weight:700}.almost-correct{color:var(--green-dark);margin-bottom:16px;font-weight:700}.match-grid{gap:12px;display:flex}.match-column{flex-direction:column;flex:1;gap:10px;display:flex}.match-card{border:2px solid var(--border);cursor:pointer;text-align:center;background:#fff;border-radius:12px;padding:14px 8px;font-size:15px;font-weight:700;transition:border-color .15s,background-color .15s,opacity .2s,transform .1s}.match-card:active:not(:disabled){transform:scale(.97)}.match-card.selected{border-color:var(--blue);background:#ddf4ff}.match-card.matched{border-color:var(--green);opacity:.6;background:#d7ffb8;animation:.25s match-pop}.match-card.wrong{border-color:var(--red);background:#ffdfe0;animation:.3s shake}@keyframes match-pop{0%{transform:scale(1)}40%{transform:scale(1.06)}to{transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.primary-btn{background:var(--green);color:#fff;cursor:pointer;box-shadow:0 4px 0 var(--green-dark);border:none;border-radius:14px;margin-top:auto;padding:16px;font-size:17px;font-weight:800;transition:background-color .15s,box-shadow .15s}.primary-btn:active{box-shadow:0 2px 0 var(--green-dark);transform:translateY(2px)}.primary-btn:disabled{background:var(--border);box-shadow:none;color:var(--text-light);cursor:not-allowed}.text-btn{color:var(--blue);cursor:pointer;background:0 0;border:none;margin-top:12px;font-size:15px;font-weight:700}.text-btn-muted{color:var(--text-light);font-size:13px;font-weight:700}.home-footer{text-align:center;padding-bottom:env(safe-area-inset-bottom);margin-top:28px}.home-footer a{color:var(--text-light);font-size:13px;font-weight:700;text-decoration:none}.modal-overlay{z-index:1300;padding:24px;padding-bottom:calc(24px + env(safe-area-inset-bottom));background:#0000008c;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-card{text-align:center;background:#fff;border-radius:20px;width:100%;max-width:340px;padding:28px 24px 20px;box-shadow:0 8px 32px #0000004d}.modal-emoji{margin:0 0 8px;font-size:44px}.modal-card h2{margin:0 0 8px;font-size:20px}.modal-text{color:var(--text-light);margin:0 0 8px;font-size:14px;line-height:1.5}.danger-btn{background:var(--red);color:#fff;cursor:pointer;border:none;border-radius:14px;margin-top:4px;padding:16px;font-size:16px;font-weight:800;transition:transform .1s,box-shadow .1s;box-shadow:0 4px #d43a3a}.danger-btn:active{transform:translateY(2px);box-shadow:0 2px #d43a3a}.danger-btn:disabled{background:var(--border);box-shadow:none;color:var(--text-light);cursor:not-allowed}.lesson-over,.result-screen{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:40px 24px;display:flex}.lesson-over-emoji,.result-emoji{margin:0 0 16px;font-size:64px}.result-stars{margin:16px 0;font-size:32px}.result-xp{color:var(--green-dark);margin-bottom:32px;font-size:20px;font-weight:800}.lesson-over .primary-btn,.result-screen .primary-btn{width:100%;max-width:280px}.auth-screen{flex-direction:column;flex:1;padding:16px 20px 32px;display:flex}.auth-form{flex-direction:column;gap:12px;margin-top:16px;display:flex}.auth-input{border:2px solid var(--border);border-radius:14px;padding:16px;font-family:inherit;font-size:16px}.auth-input:focus{border-color:var(--blue);outline:none}.auth-error{color:var(--red);margin:0;font-weight:700}.auth-success{color:var(--green-dark);margin:16px 0 0;font-weight:700;line-height:1.5}.auth-screen .primary-btn{margin-top:4px}.auth-screen .text-btn{align-self:center;margin-top:16px}.leaderboard-screen{flex-direction:column;flex:1;padding:16px 20px 32px;display:flex}.leaderboard-screen .app-title{flex:1;margin:0;font-size:22px}.leaderboard-list{flex-direction:column;gap:10px;margin:20px 0 0;padding:0;list-style:none;display:flex}.leaderboard-row,.leaderboard-me-footer{border:2px solid var(--border);background:#fff;border-radius:14px;align-items:center;gap:12px;padding:14px 16px;display:flex}.leaderboard-row.me{border-color:var(--green);background:#eaffd6}.leaderboard-me-footer{border-color:var(--blue);background:#ddf4ff;margin-top:14px}.leaderboard-rank{color:var(--text-light);flex-shrink:0;width:24px;font-weight:800}.leaderboard-name{text-overflow:ellipsis;white-space:nowrap;flex:1;font-weight:700;overflow:hidden}.leaderboard-xp{color:var(--green-dark);flex-shrink:0;font-weight:800}.period-tabs{gap:8px;margin:16px 0 4px;display:flex}.period-tab{border:2px solid var(--border);color:var(--text-light);cursor:pointer;background:#fff;border-radius:12px;flex:1;padding:10px 8px;font-size:13px;font-weight:800;transition:border-color .15s,background-color .15s,color .15s}.period-tab.active{border-color:var(--green);color:var(--green-dark);background:#eaffd6}.leaderboard-row.winner{border-color:var(--yellow);background:#fff8e1}.leaderboard-row.winner .leaderboard-rank{width:auto;font-size:20px}.league-stat{cursor:default;font-size:15px}.practice-card{border:2px solid var(--blue);text-align:left;cursor:pointer;background:#ddf4ff;border-radius:16px;align-items:center;gap:14px;width:100%;margin-bottom:20px;padding:16px 18px;transition:transform .1s;display:flex}.practice-card:active{transform:scale(.98)}.practice-emoji{font-size:28px}.practice-title{color:var(--blue-dark);font-size:17px;font-weight:800;display:block}.practice-subtitle{color:var(--text-light);margin-top:2px;font-size:13px;display:block}.section-divider{border-top:2px dashed var(--border);align-items:baseline;gap:10px;margin:28px 0 14px;padding-top:14px;display:flex}.section-title{color:var(--text-light);text-transform:uppercase;letter-spacing:.04em;font-size:15px;font-weight:800}.section-hint{color:var(--text-light);font-size:12px}.badges-screen{flex-direction:column;flex:1;padding:16px 20px 32px;display:flex}.badges-screen .app-title{flex:1;margin:0;font-size:22px}.league-card{border:2px solid var(--yellow);background:#fff8e1;border-radius:16px;align-items:center;gap:14px;margin:20px 0;padding:16px 18px;display:flex}.league-card-emoji{font-size:32px}.league-card-title{font-size:17px;font-weight:800}.league-card-subtitle{color:var(--text-light);margin-top:2px;font-size:13px}.badge-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.badge-card{text-align:center;border:2px solid var(--border);background:var(--card-bg);border-radius:16px;flex-direction:column;align-items:center;gap:4px;padding:18px 10px;display:flex}.badge-card.unlocked{border-color:var(--yellow);background:#fff8e1}.badge-emoji{font-size:30px}.badge-title{font-size:13px;font-weight:800}.badge-description{color:var(--text-light);font-size:11px}.badge-card.locked .badge-title,.badge-card.locked .badge-description{color:var(--text-light)}.confetti-container{pointer-events:none;position:absolute;inset:0;overflow:hidden}.confetti-piece{border-radius:2px;animation-name:confetti-fall;animation-timing-function:ease-in;animation-fill-mode:forwards;position:absolute;top:-10px}@keyframes confetti-fall{0%{opacity:1;transform:translateY(0)rotate(0)}to{opacity:.9;transform:translateY(115vh)rotate(360deg)}}.celebration-overlay{z-index:1200;background:#0000008c;justify-content:center;align-items:center;padding:24px;animation:.2s fade-in;display:flex;position:fixed;inset:0}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.celebration-card{z-index:1;text-align:center;background:#fff;border-radius:20px;flex-direction:column;align-items:center;width:100%;max-width:320px;padding:32px 24px 24px;animation:.35s cubic-bezier(.22,.68,0,1.2) celebration-pop;display:flex;position:relative;box-shadow:0 8px 32px #0000004d}@keyframes celebration-pop{0%{opacity:0;transform:scale(.7)}to{opacity:1;transform:scale(1)}}.celebration-emoji{margin:0 0 8px;font-size:56px}.celebration-card h2{margin:0 0 4px;font-size:20px}.celebration-title{color:var(--green-dark);margin:0 0 4px;font-size:18px;font-weight:800}.celebration-subtitle{color:var(--text-light);margin:0 0 24px;font-size:14px}.celebration-card .primary-btn{width:100%;margin-top:0}