@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;700;800&family=Outfit:wght@400;700;800&display=swap";:root{--primary: #2F8FD0;--primary-bright: #5DB0E5;--primary-dark: #1B6DA8;--primary-ink: #0F4C77;--accent: #FFD93D;--accent-deep: #E8A317;--success: #22B573;--success-deep: #17915B;--error: #E7513F;--wrong: #E7513F;--diamond: #35C5DE;--text-dark: #14202B;--text-muted: #5A6B7A;--text-light: #FFFFFF;--white: #FFFFFF;--surface: linear-gradient(160deg, #FFFFFF 0%, #F2F7FB 100%);--surface-raised: linear-gradient(160deg, #FFFFFF 0%, #E9F2F9 100%);--glass-bg: linear-gradient(160deg, rgba(255, 255, 255, .22), rgba(255, 255, 255, .1));--glass-bg-strong: linear-gradient(160deg, rgba(255, 255, 255, .3), rgba(255, 255, 255, .16));--glass-border: rgba(255, 255, 255, .38);--glass-blur: blur(18px) saturate(140%);--shadow-sm: 0 1px 2px rgba(9, 30, 48, .16), 0 2px 6px rgba(9, 30, 48, .12);--shadow-md: 0 2px 4px rgba(9, 30, 48, .16), 0 8px 20px rgba(9, 30, 48, .18);--shadow-lg: 0 4px 8px rgba(9, 30, 48, .18), 0 16px 36px rgba(9, 30, 48, .22);--shadow-xl: 0 8px 16px rgba(9, 30, 48, .2), 0 28px 60px rgba(9, 30, 48, .28);--glass-shadow: var(--shadow-lg);--text-shadow-soft: 0 1px 2px rgba(9, 30, 48, .35);--text-shadow-strong: 0 2px 10px rgba(9, 30, 48, .45), 0 1px 2px rgba(9, 30, 48, .5);--r-sm: 10px;--r-md: 14px;--r-lg: 20px;--r-xl: 28px;--r-pill: 999px;--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--safe-top: env(safe-area-inset-top, 20px);--safe-bottom: env(safe-area-inset-bottom, 20px)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:Outfit,Inter,sans-serif;overflow:hidden;height:100vh;width:100vw;background-color:#0e3450;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{height:100%;width:100%}.app-container{position:relative;height:100%;width:100%;display:flex;flex-direction:column;color:#fff}.background{position:absolute;top:0;left:0;width:100%;height:100%;background:url(/assets/background_soft_gradient.png) no-repeat center center;background-size:cover;z-index:-2}.scrim{position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(115% 75% at 50% 25%,#09284200 45%,#09284257),linear-gradient(180deg,#0a2c4857,#0a2c480f 32%,#0a2c4842),linear-gradient(135deg,#2f8fd01a,#17578729);z-index:-1}.screen{flex:1;padding:var(--safe-top) 16px var(--safe-bottom);display:flex;flex-direction:column;align-items:center;justify-content:flex-start;overflow-y:auto;gap:24px;text-align:center}.screen:before,.screen:after{content:"";flex:1;margin:auto}h1{font-size:clamp(2.25rem,7vw,4rem);font-weight:800;line-height:1.05;letter-spacing:-.03em;margin-bottom:8px;text-shadow:var(--text-shadow-strong)}h2,h3{letter-spacing:-.02em}p{line-height:1.6}.total-stars{font-size:1.05rem;font-weight:700;letter-spacing:.02em;padding:8px 18px;border-radius:var(--r-pill);background:var(--glass-bg);border:1px solid var(--glass-border);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);box-shadow:var(--shadow-sm);text-shadow:var(--text-shadow-soft)}.btn{background:var(--surface);color:var(--primary-ink);border:none;border-radius:var(--r-md);padding:12px 22px;font-family:inherit;font-size:1.05rem;font-weight:700;letter-spacing:-.01em;cursor:pointer;box-shadow:var(--shadow-md);transition:transform .18s var(--ease-out),box-shadow .18s var(--ease-out),background .18s var(--ease-out);height:48px;display:flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn:active{transform:translateY(0) scale(.97);box-shadow:var(--shadow-sm)}.btn:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:var(--shadow-sm)}.btn-large{height:60px;padding:0 34px;font-size:1.2rem;color:var(--white);background:linear-gradient(160deg,var(--primary-bright) 0%,var(--primary) 55%,var(--primary-dark) 100%);box-shadow:var(--shadow-lg),inset 0 1px #ffffff73}.btn-large:hover{box-shadow:var(--shadow-xl),inset 0 1px #ffffff73}.btn-secondary{background:var(--glass-bg-strong)!important;color:var(--white)!important;border:1px solid var(--glass-border);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);text-shadow:var(--text-shadow-soft)}.btn-small{height:40px;padding:0 18px;font-size:.95rem}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;width:100%;max-width:400px;padding:8px}.card{background:var(--surface);border-radius:var(--r-lg);padding:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--primary-ink);box-shadow:var(--shadow-md);cursor:pointer;aspect-ratio:1;position:relative;overflow:hidden;transition:transform .2s var(--ease-out),box-shadow .2s var(--ease-out)}.card:before{content:"";position:absolute;inset:0 0 auto;height:45%;background:linear-gradient(180deg,#ffffffd9,#fff0);pointer-events:none}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.card:active{transform:translateY(-1px) scale(.98);box-shadow:var(--shadow-sm)}.card h2{font-size:clamp(1.9rem,8vw,2.5rem);font-weight:800;letter-spacing:-.03em;margin-bottom:4px;position:relative}.card .stars{display:flex;gap:2px;font-size:.75rem;position:relative;min-height:1em}.card.mastered{background:linear-gradient(160deg,#fff9e4,#ffeeb8);color:#7a5205;box-shadow:var(--shadow-md),0 0 0 2px var(--accent) inset}.card.mastered:hover{box-shadow:var(--shadow-lg),0 0 0 2px var(--accent) inset}.app-nav{display:flex;gap:12px;margin-bottom:24px;background:#091e3047;border:1px solid rgba(255,255,255,.18);padding:6px;border-radius:var(--r-pill);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);box-shadow:var(--shadow-md);z-index:100;position:relative}.nav-mobile-trigger{display:none;padding:8px 20px;border-radius:30px;background:var(--primary);color:#fff;font-weight:700;align-items:center;gap:10px;cursor:pointer;box-shadow:0 4px 15px #0000001a}.nav-links{display:flex;gap:12px}.nav-tab{padding:8px 20px;border-radius:var(--r-pill);border:none;background:transparent;color:#ffffffd1;font-family:inherit;font-size:.95rem;font-weight:700;cursor:pointer;transition:all .25s var(--ease-out)}.nav-tab:hover{color:#fff;background:#ffffff1f}.nav-tab.active{color:#fff;background:linear-gradient(160deg,var(--primary-bright),var(--primary-dark));box-shadow:var(--shadow-md),inset 0 1px #ffffff59}.calendar-container{width:100%;max-width:500px;background:#ffffff1a;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:24px;padding:24px;border:1px solid rgba(255,255,255,.2);margin-top:10px}.calendar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:10px}.calendar-header h2{margin:0;font-size:1.5rem}.calendar-stats{width:100%;text-align:center;font-size:1rem;font-weight:600;color:#ffd93d;margin-top:5px}.nav-btn{background:#fff3;border:none;color:#fff;width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;transition:background .2s}.nav-btn:hover{background:#ffffff4d}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}.weekday-label{text-align:center;font-size:.8rem;font-weight:700;opacity:.7;padding-bottom:5px}.diamond-badge{position:absolute;top:6px;right:6px;font-size:1.4rem;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3));animation:popIn .5s cubic-bezier(.175,.885,.32,1.275);z-index:1}.card.diamond-earned{background:linear-gradient(160deg,#eafbff,#c4edf6);color:#0b5b6b;box-shadow:var(--shadow-md),0 0 0 2px var(--diamond) inset}.card.diamond-earned:hover{box-shadow:var(--shadow-lg),0 0 0 2px var(--diamond) inset}@keyframes popIn{0%{transform:scale(0)}to{transform:scale(1)}}.calendar-day{aspect-ratio:1;background:#ffffff0d;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;position:relative;transition:all .2s ease;border:1px solid transparent}.calendar-day:hover{background:#ffffff26;transform:translateY(-2px)}.calendar-day.empty{background:transparent;cursor:default}.calendar-day.dry{background:#2980b91a;border-color:#ffffff4d}.day-marks{display:flex;flex-wrap:wrap;gap:2px;justify-content:center;align-items:center;min-height:20px;margin-top:4px}.mark-emoji{font-size:.9rem;line-height:1}.day-number{font-size:1rem;font-weight:600}.dry-icon{font-size:1rem}.game-top-bar{display:flex;justify-content:space-between;width:100%;padding-bottom:32px}.stats-card{background:var(--glass-bg-strong);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--r-pill);padding:8px 18px;font-weight:700;font-size:1rem;font-variant-numeric:tabular-nums;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);text-shadow:var(--text-shadow-soft)}.back-btn{height:40px!important;font-size:.95rem!important;padding:0 18px!important;background:var(--glass-bg-strong)!important;color:#fff!important;border:1px solid var(--glass-border);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);text-shadow:var(--text-shadow-soft);box-shadow:var(--shadow-sm)}.flashcard{background:var(--surface-raised);width:100%;max-width:400px;height:clamp(180px,32vh,250px);border-radius:var(--r-xl);display:flex;align-items:center;justify-content:center;color:var(--primary-ink);font-size:clamp(3rem,12vw,5rem);font-weight:800;letter-spacing:-.04em;font-variant-numeric:tabular-nums;box-shadow:var(--shadow-xl),inset 0 2px #ffffffe6;transition:transform .2s var(--ease-spring)}.flashcard.pop{transform:scale(1.04)}.feedback{font-size:2.5rem;font-weight:800;height:48px}.feedback.correct{color:var(--success)}.feedback.wrong{color:var(--error)}.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;width:100%;max-width:400px}.option-btn{background:var(--surface);height:76px;border-radius:var(--r-lg);display:flex;align-items:center;justify-content:center;font-family:inherit;font-size:1.7rem;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--primary-ink);box-shadow:var(--shadow-md),inset 0 1px #ffffffe6;border:none;cursor:pointer;transition:transform .18s var(--ease-out),background .25s var(--ease-out),color .25s var(--ease-out),box-shadow .18s var(--ease-out)}.option-btn:hover:not(:disabled){transform:translateY(-3px);box-shadow:var(--shadow-lg),inset 0 1px #ffffffe6}.option-btn:active:not(:disabled){transform:translateY(0) scale(.97)}.option-btn:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.option-btn.correct{background:linear-gradient(160deg,var(--success) 0%,var(--success-deep) 100%);color:#fff;box-shadow:var(--shadow-lg),0 0 0 4px #22b5734d;animation:revealCorrect .4s var(--ease-spring)}@keyframes revealCorrect{0%{transform:scale(.94);box-shadow:var(--shadow-md),0 0 #22b57380}60%{transform:scale(1.05);box-shadow:var(--shadow-lg),0 0 0 10px #22b57300}to{transform:scale(1);box-shadow:var(--shadow-lg),0 0 0 4px #22b5734d}}.option-btn.wrong{background:linear-gradient(160deg,var(--error) 0%,#BE3424 100%);color:#fff;box-shadow:var(--shadow-md),0 0 0 4px #e7513f47;animation:shake .4s ease-in-out}.option-btn.disabled{background:#ffffff8c;color:var(--text-muted);opacity:.7;box-shadow:var(--shadow-sm)}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.profile-badge{position:absolute;top:max(16px,var(--safe-top));right:16px;background:#ffffff40;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1.5px solid rgba(255,255,255,.4);color:#fff;padding:8px 16px;border-radius:24px;font-size:1rem;font-weight:800;display:flex;align-items:center;gap:10px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 20px #00000040;z-index:200;border-style:solid}.profile-badge:hover,.profile-badge:active{background:#ffffff59;transform:scale(1.05);border-color:#fff9;box-shadow:0 6px 25px #0000004d}.profile-badge span:first-child{font-size:1.4rem;line-height:1}.activity-tracker{width:100%;max-width:500px;display:flex;flex-direction:column;gap:20px}.stamp-bar{display:flex;gap:10px;overflow-x:auto;padding:10px 4px;scrollbar-width:none;-ms-overflow-style:none}.stamp-bar::-webkit-scrollbar{display:none}.stamp-btn{flex:0 0 auto;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:16px;padding:8px 16px;color:#fff;display:flex;align-items:center;gap:8px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);position:relative}.stamp-btn.active{background:var(--white);color:var(--primary);transform:scale(1.05);box-shadow:0 4px 15px #0003}.stamp-emoji{font-size:1.2rem}.stamp-name{font-weight:700;font-size:.9rem}.remove-stamp{position:absolute;top:-8px;right:-8px;background:var(--error);color:#fff;width:20px;height:20px;border-radius:50%;font-size:14px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 4px #0003}.add-stamp-btn{font-size:1.5rem;font-weight:400;width:48px;justify-content:center;border-style:dashed}.active-tracker-stats{background:#ffffff26;padding:10px 20px;border-radius:30px;font-weight:700;color:#ffd93d;margin-bottom:10px}.stamp-form{background:#fffffff2!important;color:var(--text-dark)!important;border-radius:24px!important;padding:24px!important;width:90%!important;max-width:350px!important}.stamp-form h3{margin-bottom:20px}.stamp-preview{font-size:4rem;margin-bottom:20px}.emoji-picker.small{margin-top:10px;grid-template-columns:repeat(6,1fr);gap:8px}.emoji-picker.small .emoji-item{font-size:1.5rem;padding:4px}.rewards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px;width:100%;max-width:1000px;padding:16px;margin:16px auto}.reward-card{width:100%;aspect-ratio:1 / 1;background:var(--white);border-radius:16px;overflow:hidden;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 8px 16px #0003}@media(max-width:600px){.app-nav{background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;padding:0}.nav-mobile-trigger{display:flex}.nav-links{display:none;position:absolute;top:calc(100% + 10px);left:50%;transform:translate(-50%);flex-direction:column;background:#2b2b2bd9;backdrop-filter:blur(25px);-webkit-backdrop-filter:blur(25px);padding:12px;border-radius:12px;width:200px;border:1px solid rgba(255,255,255,.2);box-shadow:0 10px 30px #0006;gap:8px}.app-nav.menu-open .nav-links{display:flex}.app-nav.menu-open .chevron{transform:rotate(180deg)}.nav-tab{width:100%;text-align:left;padding:12px 16px;border-radius:12px}.nav-tab.active{background:#ffffff26;box-shadow:none}}@media(max-width:480px){.profile-badge{top:12px;right:12px;padding:6px 12px;font-size:.9rem;gap:6px}.profile-badge-name{display:none}.selection-screen h1{font-size:2.8rem;margin-top:40px}}.reward-img{width:100%;height:100%;object-fit:cover;display:block;cursor:zoom-in}.reward-overlay{position:absolute;bottom:0;width:100%;background:linear-gradient(transparent,#000c);color:#fff;padding:8px;font-weight:700;font-size:.8rem}.reward-locked{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;width:100%;height:100%;background:linear-gradient(160deg,#1434508c,#0c2134bf);color:#ffffffd9}.lock-emoji{font-size:1.9rem;opacity:.85;filter:drop-shadow(0 2px 6px rgba(0,0,0,.5))}.stars-req{font-size:.85rem;font-weight:800;letter-spacing:.03em;padding:4px 12px;border-radius:var(--r-pill);background:#ffffff29;border:1px solid rgba(255,255,255,.22);color:var(--accent)}.reward-card{transition:transform .22s var(--ease-out),box-shadow .22s var(--ease-out)}.reward-card.unlocked{cursor:zoom-in}.reward-card.unlocked:hover{transform:translateY(-6px) scale(1.02);box-shadow:var(--shadow-xl)}.reward-overlay{letter-spacing:-.01em}.landing-page{width:100%;height:100%;overflow-y:auto;display:flex;flex-direction:column}.hero-section{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px 20px;position:relative}.hero-content{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;width:100%;max-width:1200px;align-items:center}@media(max-width:768px){.hero-content{grid-template-columns:1fr;gap:40px;text-align:center}.hero-text-side{text-align:center;order:2}.hero-visual-side{order:1;margin-bottom:20px}.mascot-container{max-width:320px}}.hero-text-side{text-align:left}.hero-badge{display:inline-block;background:#ffffff40;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:8px 16px;border-radius:100px;font-weight:700;font-size:.9rem;margin-bottom:24px;border:1px solid rgba(255,255,255,.4);box-shadow:0 2px 8px #0000000d}.landing-page h1{font-size:clamp(3rem,9vw,5.5rem);line-height:1.05;letter-spacing:-.035em;margin-bottom:24px;background:linear-gradient(to bottom,#fff 40%,#ffffffb8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;text-shadow:none;filter:drop-shadow(0 3px 14px rgba(9,30,48,.45))}.hero-text{font-size:1.4rem;line-height:1.6;max-width:500px;margin-bottom:40px;opacity:.95;text-shadow:0 1px 2px rgba(0,0,0,.05)}.practice-screen{justify-content:flex-start;padding-bottom:240px}.practice-list{width:100%;max-width:600px;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}.practice-row{display:flex;align-items:center;justify-content:center;gap:12px;background:var(--glass-bg-strong);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);padding:10px 14px;border-radius:var(--r-md);font-size:1.25rem;font-weight:700;border:2px solid rgba(255,255,255,.18);box-shadow:var(--shadow-sm);text-shadow:var(--text-shadow-soft);transition:transform .18s var(--ease-out),border-color .18s var(--ease-out),box-shadow .18s var(--ease-out)}.practice-row.active{background:var(--glass-bg-strong);border-color:var(--accent);box-shadow:var(--shadow-md),0 0 0 4px #ffd93d40;transform:translateY(-1px)}.question-text{letter-spacing:-.01em;font-variant-numeric:tabular-nums;white-space:nowrap}@media(max-width:480px){.practice-list{gap:8px}.practice-row{gap:6px;padding:8px 9px;font-size:.95rem}.answer-box{width:56px;height:40px}}.answer-box{width:74px;height:44px;background:var(--white);color:var(--text-dark);border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;cursor:pointer;font-variant-numeric:tabular-nums;text-shadow:none;box-shadow:inset 0 2px 5px #091e3029,0 1px #ffffff80}.cursor{animation:blink 1s step-end infinite;margin-left:2px;color:var(--primary)}@keyframes blink{50%{opacity:0}}.timer-display{font-size:1.75rem;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;background:#091e306b;backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid rgba(255,255,255,.22);padding:8px 18px;border-radius:var(--r-pill);min-width:118px;box-shadow:var(--shadow-sm);text-shadow:var(--text-shadow-soft)}.timer-display.danger{color:#ffd7d1;background:linear-gradient(160deg,#e7513feb,#be3424eb);border-color:#ffffff59;animation:pulse 1s infinite}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.number-pad-overlay{position:fixed;bottom:0;left:0;width:100%;height:100%;background:#00000080;display:flex;align-items:flex-end;justify-content:center;z-index:1000}.number-pad{background:linear-gradient(180deg,#f7fafc,#e8eff5);width:100%;max-width:500px;border-radius:var(--r-xl) var(--r-xl) 0 0;padding:20px 20px calc(20px + var(--safe-bottom));display:flex;flex-direction:column;gap:12px;box-shadow:0 -8px 40px #091e3059;border-top:1px solid rgba(255,255,255,.9);animation:slideUp .28s var(--ease-out)}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.pad-row{display:flex;gap:12px;justify-content:center}.number-pad button{flex:1;height:58px;font-family:inherit;font-size:1.7rem;font-weight:700;font-variant-numeric:tabular-nums;border:none;background:linear-gradient(180deg,#fff,#f4f8fb);color:var(--text-dark);border-radius:var(--r-md);box-shadow:0 3px #c3d2dd,var(--shadow-sm);cursor:pointer;transition:transform .1s ease,box-shadow .1s ease}.number-pad button:active{transform:translateY(3px);box-shadow:0 0 #c3d2dd}.number-pad button:focus-visible{outline:3px solid var(--primary);outline-offset:2px}.pad-action{background:linear-gradient(180deg,#dce6ee,#cbd9e4)!important;color:var(--primary-ink)!important;box-shadow:0 3px #aabdcc,var(--shadow-sm)!important}.score-display{margin:20px 0}.score-circle{width:160px;height:160px;border-radius:50%;color:var(--primary-ink);display:flex;flex-direction:column;align-items:center;justify-content:center;font-weight:800;font-size:3.75rem;letter-spacing:-.04em;font-variant-numeric:tabular-nums;line-height:1;background:var(--surface-raised);box-shadow:var(--shadow-xl),inset 0 2px #ffffffe6}.score-circle.perfect{background:linear-gradient(135deg,#e0f7fa,#b2ebf2);border:4px solid #00BCD4;box-shadow:0 0 30px #00bcd4;animation:pulsePerfect 2s infinite}@keyframes pulsePerfect{0%{box-shadow:0 0 #00bcd4b3}70%{box-shadow:0 0 0 20px #00bcd400}to{box-shadow:0 0 #00bcd400}}.score-circle .total{font-size:1.05rem;font-weight:700;letter-spacing:.02em;margin-top:6px;color:var(--text-muted)}.results-list{width:100%;max-width:400px;display:flex;flex-direction:column;gap:8px;margin-bottom:24px}.result-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;background:var(--glass-bg-strong);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);font-size:1.1rem;font-weight:600;font-variant-numeric:tabular-nums;box-shadow:var(--shadow-sm);text-shadow:var(--text-shadow-soft)}.result-row.correct{border-left:5px solid var(--success)}.result-row.wrong{border-left:5px solid var(--error);background:linear-gradient(160deg,#e7513f42,#e7513f1f)}.result-row.skipped{border-left:5px solid rgba(255,255,255,.4);opacity:.72}.user-answer{font-weight:800;display:flex;align-items:center;gap:6px}.hero-visual-side{display:flex;justify-content:center;align-items:center;position:relative}.mascot-container{width:100%;max-width:450px;aspect-ratio:1;background:radial-gradient(circle at center,rgba(255,255,255,.2) 0%,transparent 70%);display:flex;align-items:center;justify-content:center;animation:float 6s ease-in-out infinite}.mascot-image{width:90%;height:90%;object-fit:contain;filter:drop-shadow(0 20px 40px rgba(0,0,0,.3))}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.login-container.landing-login{background:linear-gradient(135deg,#fff3,#ffffff1a);backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);border:1px solid var(--glass-border);padding:40px;border-radius:32px;box-shadow:var(--glass-shadow);width:100%;max-width:400px;margin-top:20px}.features-grid-section{padding:100px 20px;background:#ffffff0d;text-align:center}.features-grid-section h2{font-size:3rem;margin-bottom:60px}.features-showcase{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:32px;max-width:1200px;margin:0 auto}.feature-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:40px;border-radius:24px;border:1px solid var(--glass-border);display:flex;flex-direction:column;align-items:center;text-align:center;transition:transform .3s ease}.feature-card:hover{transform:translateY(-10px);background:#fff3}.f-icon{font-size:3rem;margin-bottom:24px;filter:drop-shadow(0 4px 8px rgba(0,0,0,.1))}.feature-card h3{font-size:1.5rem;margin-bottom:16px}.feature-card p{opacity:.8;line-height:1.6}.landing-footer{padding:60px 20px;text-align:center;opacity:.6;border-top:1px solid rgba(255,255,255,.1)}.close-btn{position:absolute;top:15px;right:15px;background:#00000080;border:none;color:#fff;font-size:2.5rem;width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:1001}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000e6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-content{position:relative;display:flex;flex-direction:column;align-items:center;gap:20px;max-width:100%;max-height:100%}.modal-img{max-width:90vw;max-height:75vh;object-fit:contain;border-radius:var(--r-xl);box-shadow:var(--shadow-xl);animation:popIn .35s var(--ease-spring)}.modal-title{color:#fff;font-size:1.8rem;font-weight:800;text-shadow:0 2px 4px rgba(0,0,0,.5)}.profiles-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:24px;width:100%;max-width:500px;padding:20px;margin:0 auto}.profile-card{background:#ffffff26;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:24px;padding:24px;display:flex;flex-direction:column;align-items:center;gap:12px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 8px 32px #0000001a}.profile-card:hover,.profile-card:active{transform:translateY(-8px) scale(1.02);background:#ffffff40;border-color:#fff6;box-shadow:0 12px 40px #0003}.profile-icon{font-size:3.5rem;line-height:1;filter:drop-shadow(0 4px 8px rgba(0,0,0,.2))}.profile-name{font-size:1.2rem;font-weight:700;color:#fff;text-shadow:0 2px 4px rgba(0,0,0,.3)}.add-profile{border-style:dashed;background:#ffffff0d}.add-profile .profile-icon{font-size:3rem;font-weight:400;color:#fff9}.profile-creation-form{background:#ffffff26;backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);border-radius:32px;padding:32px;width:100%;max-width:400px;display:flex;flex-direction:column;align-items:center;gap:24px;border:1px solid rgba(255,255,255,.2);box-shadow:0 15px 45px #0003}.selected-icon-preview{font-size:5rem;background:#fff3;width:120px;height:120px;display:flex;align-items:center;justify-content:center;border-radius:50%;margin-bottom:8px;box-shadow:inset 0 0 15px #ffffff4d}.name-input{width:100%;padding:16px;border-radius:12px;border:1px solid rgba(255,255,255,.3);background:#ffffffe6;color:var(--text-dark);font-size:1.2rem;font-family:inherit;font-weight:700;outline:none;transition:border-color .2s}.name-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2980b94d}.emoji-picker{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;width:100%}.emoji-item{font-size:2rem;cursor:pointer;padding:8px;border-radius:12px;display:flex;align-items:center;justify-content:center;transition:all .2s;background:#ffffff0d}.emoji-item:hover{background:#fff3;transform:scale(1.1)}.emoji-item.active{background:var(--white);box-shadow:0 4px 12px #00000026;transform:scale(1.2)}@media(max-width:380px){h1{font-size:3rem}.flashcard{font-size:4rem;height:180px}.card h2{font-size:2rem}.profiles-grid{grid-template-columns:repeat(2,1fr);gap:16px}}.login-container{background:#ffffff26;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.2);border-radius:32px;padding:40px 24px;width:100%;max-width:400px;display:flex;flex-direction:column;align-items:center;gap:20px;box-shadow:0 20px 50px #0003}.login-icon{font-size:4rem;margin-bottom:10px}.login-subtitle{font-size:1.1rem;opacity:.9;line-height:1.5;margin-top:-10px}.login-form{width:100%;display:flex;flex-direction:column;gap:16px}.login-footer{font-size:.9rem;opacity:.7;margin-top:10px}.sent-message{flex-direction:column!important;background:#0009!important;padding:24px!important;border:2px solid rgba(255,255,255,.4)!important;text-align:center;gap:16px!important;width:100%!important;border-radius:20px!important}.sent-message h3{color:#2ecc71!important;font-size:1.5rem!important;margin:0!important;font-weight:800!important}.sent-message p{line-height:1.6!important;margin:0!important;color:#fff!important;font-weight:500!important}.selection-screen:has(.drawing-container){padding-top:20px;height:100vh;display:flex;flex-direction:column}.drawing-container{display:flex;flex-direction:column;align-items:center;gap:12px;width:100%;max-width:1100px;margin:0 auto;flex-grow:1;min-height:0}.drawing-toolbar-v2{display:flex;flex-wrap:wrap;gap:16px;background:#ffffff26;backdrop-filter:blur(25px);-webkit-backdrop-filter:blur(25px);padding:16px;border-radius:32px;border:1px solid rgba(255,255,255,.25);align-items:center;justify-content:center;width:100%;box-shadow:0 15px 45px #00000026;transition:all .3s cubic-bezier(.4,0,.2,1)}.drawing-toolbar-v2.minimized{gap:8px;padding:8px 12px;border-radius:20px;width:auto}.toolbar-section{display:flex;align-items:center;gap:8px;padding:0 12px;border-right:1px solid rgba(255,255,255,.15)}.minimized .toolbar-section{padding:0 4px;border-right:1px solid rgba(255,255,255,.1)}.toolbar-section:last-child{border-right:none}.tool-btn{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:#ffffff1a;color:#fff;font-size:1.2rem;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.minimized .tool-btn{width:36px;height:36px;font-size:1.1rem}.tool-btn.toggle-btn{background:var(--primary);border-color:#ffffff4d}.tool-btn:hover:not(:disabled){background:#fff3;transform:translateY(-2px)}.tool-btn.active{background:var(--white);color:var(--primary);box-shadow:0 4px 15px #0003}.tool-btn:disabled{opacity:.3;cursor:not-allowed}.palette{display:flex;gap:8px}.color-swatch{width:28px;height:28px;border-radius:50%;border:2px solid rgba(255,255,255,.3);cursor:pointer;transition:transform .2s,border-color .2s}.color-swatch:hover{transform:scale(1.2)}.color-swatch.active{border-color:#fff;transform:scale(1.2);box-shadow:0 0 10px #0003}.custom-color{width:28px;height:28px;padding:0;border:none;background:none;cursor:pointer}.slider-group{display:flex;flex-direction:column;gap:4px}.slider-label{font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.5px}.stamps{background:#ffffff1a;padding:8px 16px;border-radius:20px}.stamp-choice{font-size:1.5rem;background:none;border:none;cursor:pointer;padding:4px;transition:transform .2s}.stamp-choice:hover{transform:scale(1.3)}.stamp-choice.active{transform:scale(1.4);filter:drop-shadow(0 0 5px white)}.actions{gap:12px}.btn.danger{background:#e74c3ccc!important;color:#fff!important}.canvas-wrapper{background:#fff;border-radius:32px;padding:10px;box-shadow:0 20px 60px #0000004d;overflow:hidden;max-width:100%;flex-grow:1;width:100%;display:flex;min-height:0}canvas{display:block;width:100%!important;height:100%!important;cursor:crosshair;touch-action:none}@media(max-width:900px){.drawing-container{padding:0 10px 10px;gap:10px}.drawing-toolbar-v2{gap:16px;padding:16px}.toolbar-section{border-right:none;padding:4px}}@media(max-width:600px){.drawing-toolbar-v2{gap:8px;padding:10px;border-radius:24px}.toolbar-section{border-right:none;padding:0 4px}.palette{gap:4px}.color-swatch{width:24px;height:24px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.mascot-container{animation:none!important}}.otp-input{text-align:center;font-size:1.1rem;font-weight:800;letter-spacing:.18em;text-indent:.18em;font-variant-numeric:tabular-nums}.auth-error{margin-top:10px;padding:10px 14px;border-radius:var(--r-md);background:#e7513f38;border:1px solid rgba(231,81,63,.45);color:#ffe2dd;font-size:.9rem;font-weight:600;text-shadow:var(--text-shadow-soft)}