:root{--paper-cream:#fff8ef;--bg-cream:#fff8ef;--bg-cream-soft:#fffdf9;--bg-gradient:radial-gradient(circle at 12% 18%, #fff4eb 0%, #fff8ef 55%, #fbf1f3 100%);--blush-pink:#f4dde1;--pastel-pink:#f4dde1;--pastel-pink-soft:#faf0f2;--pastel-pink-hover:#ebcfd5;--pastel-pink-border:#e8c1ca;--soft-rose:#c98291;--soft-rose-light:#dfc0c8;--soft-rose-soft:#c9829126;--burgundy:#702f43;--burgundy-deep:#4e1b2a;--burgundy-light:#8e3e56;--burgundy-tag:#702f4314;--dark-ink:#332a2b;--text-main:#332a2b;--text-muted:#6b5b5e;--text-light:#948084;--white:#fff;--card-bg:#fff;--accent-gold:#dfa042;--accent-gold-soft:#fff6e5;--washi-tape:#e8c1cad9;--washi-tape-accent:#dfa04273;--font-sans:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-handwriting:"Caveat", cursive;--font-devanagari:"Noto Sans Devanagari", "Plus Jakarta Sans", sans-serif;--radius-card:24px;--radius-pill:9999px;--radius-button:16px;--shadow-sm:0 3px 10px #332a2b0a, 0 1px 3px #332a2b08;--shadow-md:0 10px 28px -6px #332a2b14, 0 3px 10px #332a2b0a;--shadow-polaroid:0 12px 30px -8px #702f431a, 0 4px 10px #332a2b0d;--shadow-pill:0 8px 22px -4px #702f4338;--shadow-glow:0 8px 24px -4px #c9829166;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px)}*,:before,:after{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{background-color:var(--paper-cream);width:100%;min-height:100%;color:var(--text-main);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-image:radial-gradient(#c9829114 1px,#0000 1px),radial-gradient(#702f430a 1px,#0000 1px);background-position:0 0,12px 12px;background-size:24px 24px,48px 48px;font-size:16px;line-height:1.55;overflow-x:hidden}#root{flex-direction:column;min-height:100vh;display:flex;position:relative;overflow-x:hidden}h1,h2,h3,h4{color:var(--burgundy-deep);font-weight:800;line-height:1.25}button{cursor:pointer;touch-action:manipulation;-webkit-user-select:none;user-select:none;background:0 0;border:none;font-family:inherit}button:focus-visible,a:focus-visible,[tabindex="0"]:focus-visible{outline:3px solid var(--burgundy);outline-offset:3px}.scrapbook-badge{background-color:var(--blush-pink);border:1px solid var(--pastel-pink-border);color:var(--burgundy);border-radius:var(--radius-pill);letter-spacing:.03em;align-items:center;gap:6px;padding:5px 14px;font-size:.82rem;font-weight:700;display:inline-flex;box-shadow:0 2px 6px #702f430a}.handwritten{font-family:var(--font-handwriting);font-size:1.5rem;line-height:1.2}.anim-fade-slide{animation:.35s cubic-bezier(.2,.8,.2,1) forwards fadeSlideUp}.anim-scale-in{animation:.3s cubic-bezier(.2,.8,.2,1) forwards scaleIn}.anim-pop{animation:.28s cubic-bezier(.34,1.56,.64,1) forwards popReaction}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes popReaction{0%{opacity:0;transform:scale(.92)translateY(6px)}to{opacity:1;transform:scale(1)translateY(0)}}.touch-press:active{transition:transform .1s;transform:scale(.97)}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.app-wrapper{background-color:var(--bg-cream);flex-direction:column;width:100%;max-width:480px;min-height:100vh;margin:0 auto;display:flex;position:relative;box-shadow:0 0 50px #731a330f}.bg-decorations-wrapper{pointer-events:none;z-index:0;position:fixed;inset:0;overflow:hidden}.decor-item{opacity:.22;-webkit-user-select:none;user-select:none;filter:drop-shadow(0 2px 4px #f3c4cc4d);transition:transform .5s;position:absolute}.decor-1{font-size:1.4rem;animation:6s ease-in-out infinite floatSlow;top:8%;left:4%}.decor-2{font-size:1.2rem;animation:5s ease-in-out 1s infinite floatSlow;top:18%;right:6%}.decor-3{font-size:1.6rem;animation:7s ease-in-out .5s infinite floatSlow;top:48%;left:3%}.decor-4{font-size:1.3rem;animation:6.5s ease-in-out 1.5s infinite floatSlow;top:72%;right:5%}.decor-5{font-size:1.5rem;animation:8s ease-in-out 2s infinite floatSlow;bottom:12%;left:6%}.decor-6{font-size:1.1rem;animation:5.5s ease-in-out .8s infinite floatSlow;bottom:6%;right:8%}@keyframes floatSlow{0%,to{transform:translateY(0)rotate(0)}50%{transform:translateY(-8px)rotate(4deg)}}.nav-header{z-index:50;-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--pastel-pink-border);padding:calc(var(--safe-top) + 10px) 16px 10px 16px;background:#fff8eff5;position:sticky;top:0;box-shadow:0 2px 10px #332a2b08}.nav-container{flex-direction:column;gap:8px;display:flex}.nav-logo-row{justify-content:space-between;align-items:center;display:flex}.nav-heart-badge{color:var(--burgundy);background:var(--blush-pink);border:1px solid var(--pastel-pink-border);border-radius:var(--radius-pill);letter-spacing:.02em;padding:4px 12px;font-size:.82rem;font-weight:700}.nav-badge-group{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.nav-actions-group{align-items:center;gap:6px;display:inline-flex}.nav-install-btn{border-radius:var(--radius-pill);font-family:var(--font-sans);border:1px solid var(--pastel-pink-border);background:var(--pastel-pink-soft);color:var(--burgundy);cursor:pointer;box-shadow:var(--shadow-sm);-webkit-user-select:none;user-select:none;white-space:nowrap;align-items:center;gap:5px;padding:5px 11px;font-size:.78rem;font-weight:700;transition:all .2s cubic-bezier(.16,1,.3,1);display:inline-flex}.nav-install-btn:hover{background:var(--pastel-pink-hover);transform:translateY(-1px);box-shadow:0 4px 12px #702f431f}.nav-install-btn:active{transform:scale(.95)}.nav-install-icon{font-size:.88rem;line-height:1}.nav-install-label{letter-spacing:.02em;font-size:.74rem}@media (width<=380px){.nav-install-label{display:none}.nav-install-btn{padding:4px 8px}}.sound-toggle-btn{border-radius:var(--radius-pill);font-family:var(--font-sans);border:1px solid var(--pastel-pink-border);background:var(--card-bg);color:var(--burgundy);cursor:pointer;box-shadow:var(--shadow-sm);-webkit-user-select:none;user-select:none;white-space:nowrap;align-items:center;gap:5px;padding:5px 12px;font-size:.78rem;font-weight:700;transition:all .2s cubic-bezier(.16,1,.3,1);display:inline-flex}.sound-toggle-btn:hover{background:var(--pastel-pink-soft);transform:translateY(-1px);box-shadow:0 4px 12px #702f431a}.sound-toggle-btn:active{transform:scale(.95)}.sound-toggle-btn.is-muted{color:var(--text-muted);background:#6b5b5e14;border-color:#6b5b5e33}.sound-toggle-btn.is-muted .sound-toggle-icon{opacity:.75}.sound-toggle-btn.is-enabled{background:var(--pastel-pink-soft);border-color:var(--soft-rose-light);color:var(--burgundy)}.sound-toggle-icon{font-size:.88rem;line-height:1}.sound-toggle-label{letter-spacing:.02em;font-size:.74rem}@media (width<=380px){.sound-toggle-label{display:none}.sound-toggle-btn{padding:4px 8px}}.nav-tabs{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.nav-tab-button{background:var(--card-bg);border:1px solid var(--pastel-pink-border);min-height:48px;color:var(--text-muted);cursor:pointer;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:3px;padding:8px 4px;font-size:.72rem;font-weight:600;transition:all .2s cubic-bezier(.2,.8,.2,1);display:flex;position:relative}.nav-tab-button:not(.locked):active{transform:scale(.96)}.nav-tab-button.active{background:var(--burgundy);color:#fff;border-color:var(--burgundy);transform:translateY(-1px);box-shadow:0 4px 14px #702f4340}.nav-tab-button.locked{opacity:.55;cursor:not-allowed;background:#ffffff80}.nav-tab-icon{font-size:1.15rem;line-height:1}.nav-tab-lock{font-size:.6rem;position:absolute;top:3px;right:4px}.main-content{padding:18px 16px calc(var(--safe-bottom) + 30px) 16px;flex-direction:column;flex:1;display:flex;position:relative}.part-section{width:100%;animation:.35s ease-out fadeInSlide}@keyframes fadeInSlide{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.card{background:var(--card-bg);border-radius:var(--radius-card);box-shadow:var(--shadow-md);border:1.5px solid #f3c4cc99;padding:26px 20px;position:relative}.washi-tape{background:var(--washi-tape);border-left:2px dashed #fff9;border-right:2px dashed #fff9;width:90px;height:20px;position:absolute;top:-10px;transform:rotate(-1.5deg);box-shadow:0 2px 6px #0000000d}.washi-center{left:50%;transform:translate(-50%)rotate(-1deg)}.washi-left{left:24px;transform:rotate(-2.5deg)}.welcome-card{text-align:center;flex-direction:column;align-items:center;margin-top:10px;padding:36px 20px 30px;display:flex}.welcome-icon-box{background:var(--pastel-pink);width:80px;height:80px;box-shadow:var(--shadow-sm);border-radius:50%;justify-content:center;align-items:center;margin-bottom:16px;display:flex;position:relative}.welcome-emoji-float{font-size:2.5rem;animation:3s ease-in-out infinite pulseEmoji}@keyframes pulseEmoji{0%,to{transform:scale(1)rotate(0)}50%{transform:scale(1.08)rotate(3deg)}}.welcome-sparkle-1{font-size:1.2rem;animation:3s infinite floatSlow;position:absolute;top:-4px;right:-4px}.welcome-sparkle-2{font-size:1.1rem;animation:4s 1s infinite floatSlow;position:absolute;bottom:0;left:-4px}.welcome-badge{margin-bottom:12px}.welcome-title{letter-spacing:-.02em;margin-bottom:10px;font-size:1.75rem}.welcome-subtitle{color:var(--text-muted);margin-bottom:22px;font-size:.95rem;line-height:1.55}.welcome-polaroid-mini{border:1px dashed var(--pastel-pink-border);color:var(--burgundy);background:#fffdf9;border-radius:12px;margin-bottom:24px;padding:10px 16px;transform:rotate(-1deg)}.touch-button{border-radius:var(--radius-button);justify-content:center;align-items:center;gap:10px;width:100%;min-height:52px;padding:14px 28px;font-size:1rem;font-weight:700;text-decoration:none;transition:all .25s cubic-bezier(.2,.8,.2,1);display:inline-flex}.btn-primary{background:var(--burgundy);color:#fff;box-shadow:var(--shadow-pill)}.btn-primary:active{background:var(--burgundy-deep);transform:scale(.98)}.btn-glow{box-shadow:var(--shadow-glow), var(--shadow-pill)}.btn-arrow{font-size:1.1rem;transition:transform .2s}.btn-primary:hover .btn-arrow{transform:translate(3px)}.btn-subtle{color:var(--text-muted);background:var(--pastel-pink-soft);border:1px solid var(--pastel-pink-border);border-radius:12px;justify-content:center;align-items:center;padding:10px 16px;font-size:.88rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-subtle:active{background:var(--pastel-pink);transform:scale(.97)}.btn-skip{color:var(--burgundy);border:1px dashed var(--pastel-pink-border);background:0 0;border-radius:12px;justify-content:center;align-items:center;padding:10px 14px;font-size:.85rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-skip:active{background:var(--pastel-pink-soft)}.btn-full-width{width:100%}.challenge-card{margin-top:8px}.quiz-progress-bar-container{margin-bottom:20px}.quiz-meta-row{color:var(--burgundy);justify-content:space-between;align-items:center;margin-bottom:6px;font-size:.82rem;font-weight:700;display:flex}.progress-track{background:var(--pastel-pink);border-radius:var(--radius-pill);width:100%;height:8px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--pastel-pink-border) 0%, var(--burgundy) 100%);border-radius:var(--radius-pill);height:100%;transition:width .35s 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28px;display:flex}.celebration-badge-box{background:var(--pastel-pink);border-radius:50%;justify-content:center;align-items:center;width:86px;height:86px;margin-bottom:16px;display:flex;position:relative;box-shadow:0 8px 24px #731a331f}.trophy-emoji{font-size:2.8rem;animation:3s ease-in-out infinite pulseEmoji}.floating-mini-stars{pointer-events:none;position:absolute;inset:-6px}.floating-mini-stars span:first-child{font-size:1rem;position:absolute;top:0;left:0}.floating-mini-stars span:nth-child(2){font-size:1.2rem;position:absolute;top:0;right:0}.floating-mini-stars span:nth-child(3){font-size:1rem;position:absolute;bottom:0;right:4px}.finished-title{margin-top:12px;margin-bottom:10px;font-size:1.65rem}.finished-body{color:var(--text-muted);margin-bottom:20px;font-size:.94rem;line-height:1.55}.scrapbook-award-stamp{border:2px dashed var(--burgundy-light);background:#fffdf9;border-radius:14px;margin-bottom:24px;padding:12px 18px;transform:rotate(-1.5deg);box-shadow:0 4px 12px #731a330d}.stamp-inner{color:var(--burgundy);letter-spacing:.04em;font-size:.85rem;font-weight:800;display:inline-block}.stamp-inner small{color:var(--text-muted);font-size:.78rem;font-weight:500}.finished-buttons-group{flex-direction:column;gap:12px;width:100%;display:flex}.placeholder-card{text-align:center;flex-direction:column;align-items:center;margin-top:14px;padding:40px 20px 30px;display:flex}.placeholder-icon-box{margin-bottom:14px;font-size:3rem}.placeholder-title{margin-top:12px;margin-bottom:8px;font-size:1.4rem}.placeholder-desc{color:var(--text-muted);margin-bottom:20px;font-size:.92rem}.app-footer{text-align:center;color:var(--text-light);flex-direction:column;align-items:center;gap:8px;padding:16px 16px 28px;font-size:.8rem;display:flex}.footer-install-btn{background:var(--pastel-pink-soft);color:var(--burgundy);border:1px dashed var(--pastel-pink-border);border-radius:var(--radius-pill);font-family:var(--font-sans);cursor:pointer;align-items:center;gap:6px;padding:6px 14px;font-size:.78rem;font-weight:700;transition:all .2s;display:inline-flex}.footer-install-btn:hover{background:var(--pastel-pink-hover);transform:translateY(-1px);box-shadow:0 4px 10px #702f4314}.mini-game-wrapper{width:100%;animation:.3s ease-out mgFadeIn;position:relative}@keyframes mgFadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.mg-card{text-align:center;background:#fff;border:1.5px solid #f3c4ccb3;border-radius:22px;padding:28px 20px 24px;position:relative;overflow:hidden;box-shadow:0 12px 30px -8px #731a3317}.mg-washi-tape{pointer-events:none;background:#f3c4ccd9;border-left:2px dashed #ffffffb3;border-right:2px dashed #ffffffb3;width:90px;height:18px;position:absolute;top:-9px;left:50%;transform:translate(-50%)rotate(-1deg);box-shadow:0 2px 5px #0000000a}.mg-welcome-avatar{background:#fce8ec;border-radius:50%;justify-content:center;align-items:center;width:76px;height:76px;margin:4px auto 14px;font-size:2.3rem;display:flex;position:relative;box-shadow:0 6px 18px #731a3314}.mg-welcome-float-star{font-size:1.1rem;animation:2.5s ease-in-out infinite mgTwinkle;position:absolute;top:-4px;right:-4px}@keyframes mgTwinkle{0%,to{opacity:.8;transform:scale(1)rotate(0)}50%{opacity:1;transform:scale(1.15)rotate(15deg)}}.mg-welcome-title{color:#500f21;letter-spacing:-.02em;margin-bottom:10px;font-size:1.7rem;font-weight:800}.mg-welcome-desc{color:#755b63;margin-bottom:24px;padding:0 6px;font-size:.94rem;line-height:1.5}.mg-progress-header{border-bottom:1px dashed var(--pastel-pink-border);flex-direction:column;gap:10px;margin-bottom:20px;padding-bottom:14px;display:flex}.mg-progress-meta{justify-content:space-between;align-items:center;display:flex}.mg-progress-indicator{color:var(--burgundy);background:var(--blush-pink);border-radius:var(--radius-pill);letter-spacing:.02em;padding:4px 12px;font-size:.82rem;font-weight:800}.mg-progress-tag{color:var(--soft-rose);text-transform:uppercase;letter-spacing:.04em;font-size:.78rem;font-weight:700}.mg-progress-track{background:var(--pastel-pink-soft);border-radius:var(--radius-pill);border:1px solid #e8c1ca99;width:100%;height:6px;overflow:hidden}.mg-progress-fill{background:linear-gradient(90deg, var(--soft-rose) 0%, var(--burgundy) 100%);border-radius:var(--radius-pill);height:100%;transition:width .4s cubic-bezier(.2,.8,.2,1)}.mg-question-slide{width:100%}.mg-question-box{margin-bottom:20px}.mg-question-text{color:var(--burgundy-deep);font-size:1.25rem;font-weight:800;line-height:1.35}.mg-options-stack{flex-direction:column;gap:10px;margin-bottom:16px;display:flex}.mg-option-btn{background:var(--bg-cream-soft);border:1.5px solid var(--pastel-pink-border);width:100%;min-height:52px;color:var(--text-main);text-align:left;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;border-radius:18px;justify-content:space-between;align-items:center;padding:14px 18px;font-size:.95rem;font-weight:600;transition:all .2s cubic-bezier(.2,.8,.2,1);display:flex}.mg-option-btn:hover{background:var(--pastel-pink-soft);border-color:var(--pastel-pink-hover)}.mg-option-btn:active{background:var(--pastel-pink);transform:scale(.98)}.mg-option-btn.selected{border-color:var(--burgundy);color:var(--burgundy-deep);box-shadow:0 4px 16px #702f431f, inset 0 0 0 1px var(--burgundy);background:#fff2f5;font-weight:700;transform:translateY(-1px)}.mg-option-icon{flex-shrink:0;margin-left:8px;font-size:1.15rem}.mg-heart-container{flex-direction:column;align-items:center;gap:14px;margin:16px 0 20px;display:flex}.mg-heart-btn{background:linear-gradient(135deg, var(--burgundy) 0%, var(--burgundy-light) 100%);color:#fff;border-radius:var(--radius-pill);cursor:pointer;justify-content:center;align-items:center;gap:10px;width:100%;max-width:290px;min-height:58px;padding:16px 36px;font-size:1.1rem;font-weight:700;transition:transform .2s,box-shadow .2s;animation:2.2s ease-in-out infinite mgHeartbeat;display:inline-flex;box-shadow:0 8px 24px -4px #702f4359}.mg-heart-btn:active{animation:none;transform:scale(.96)}.mg-heart-btn.selected{background:linear-gradient(135deg, var(--burgundy-deep) 0%, var(--burgundy) 100%);box-shadow:0 0 0 4px var(--blush-pink), 0 8px 24px #702f434d}@keyframes mgHeartbeat{0%{transform:scale(1)}14%{transform:scale(1.04)}28%{transform:scale(1)}42%{transform:scale(1.05)}70%{transform:scale(1)}to{transform:scale(1)}}.mg-reaction-card{background:var(--pastel-pink-soft);border:1px solid var(--pastel-pink-border);text-align:left;border-radius:16px;align-items:flex-start;gap:12px;margin-top:14px;margin-bottom:6px;padding:14px 16px;display:flex}.mg-reaction-emoji{font-size:1.4rem;line-height:1}.mg-reaction-text{color:var(--burgundy-deep);margin:0;font-size:.92rem;font-weight:600;line-height:1.45}.mg-nav-actions{justify-content:space-between;align-items:center;gap:12px;margin-top:18px;display:flex}.mg-btn-back{background:var(--bg-cream-soft);border:1px solid var(--pastel-pink-border);min-height:48px;color:var(--text-muted);border-radius:14px;justify-content:center;align-items:center;gap:6px;padding:10px 18px;font-size:.9rem;font-weight:600;transition:all .2s;display:inline-flex}.mg-btn-back:active{background:var(--blush-pink);transform:scale(.97)}.mg-btn-next{background:var(--burgundy);color:#fff;border-radius:14px;flex:1;justify-content:center;align-items:center;gap:8px;min-height:48px;padding:12px 24px;font-size:.95rem;font-weight:700;transition:all .2s cubic-bezier(.2,.8,.2,1);display:inline-flex;box-shadow:0 4px 14px 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6px;height:12px;position:absolute;top:0;left:0;right:0}.cake-strawberries{gap:16px;margin-top:8px;font-size:1.1rem;display:flex}.cake-stand{background:#e8d2d7;border-radius:6px;width:210px;height:10px;margin-top:-2px;box-shadow:0 4px 10px #731a331f}.btn-make-wish{width:100%;max-width:280px}.wish-celebration-banner{border:1.5px solid var(--pastel-pink-border);border-radius:var(--radius-pill);background:#fff0f4;justify-content:center;align-items:center;gap:10px;padding:12px 24px;animation:.35s cubic-bezier(.34,1.56,.64,1) bannerPop;display:flex}@keyframes bannerPop{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.wish-star-icon{font-size:1.6rem}.wish-text{color:var(--burgundy-deep);font-size:1.05rem;font-weight:800}.audio-control-card{box-shadow:var(--shadow-sm);background:#fffdf9;border:1.5px solid #f3c4cccc;border-radius:18px;flex-direction:column;gap:12px;padding:16px 18px;animation:.3s ease-out 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.2s;display:flex}.btn-audio-ctrl:active{background:var(--pastel-pink);transform:scale(.97)}.audio-volume-row{background:var(--pastel-pink-soft);border:1px solid var(--pastel-pink-border);border-radius:12px;align-items:center;gap:10px;padding:6px 12px;display:flex}.audio-volume-icon{-webkit-user-select:none;user-select:none;font-size:.95rem;line-height:1}.audio-volume-slider{height:6px;accent-color:var(--burgundy);cursor:pointer;background:#e8c1ca;border-radius:4px;outline:none;flex:1}.audio-volume-percent{color:var(--burgundy);text-align:right;font-variant-numeric:tabular-nums;-webkit-user-select:none;user-select:none;min-width:32px;font-size:.74rem;font-weight:700}.audio-error-box{color:var(--burgundy);justify-content:space-between;align-items:center;gap:10px;font-size:.85rem;display:flex}.btn-audio-retry{padding:6px 12px;font-size:.8rem}.letter-card{background:var(--bg-cream-soft);border-radius:var(--radius-card);border:1.5px solid var(--pastel-pink-border);box-shadow:var(--shadow-md);padding:34px 22px 28px;animation:.45s cubic-bezier(.2,.8,.2,1) letterSlideUp;position:relative}@keyframes letterSlideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.letter-header{margin-bottom:20px;position:relative}.letter-stamp{color:var(--burgundy);border:1.5px dashed var(--burgundy-light);letter-spacing:.08em;background:#fff9f5;border-radius:6px;padding:4px 8px;font-size:.7rem;font-weight:800;position:absolute;top:-8px;right:0;transform:rotate(3deg)}.letter-title{font-family:"Noto Sans Devanagari", var(--font-sans);color:var(--burgundy-deep);margin-bottom:8px;font-size:1.45rem;font-weight:800;line-height:1.35}.letter-salutation{font-family:"Noto Sans Devanagari", var(--font-sans);color:var(--burgundy);font-size:1.05rem;font-weight:700}.letter-body{flex-direction:column;gap:14px;margin-bottom:24px;display:flex}.letter-paragraph{font-family:"Noto Sans Devanagari", var(--font-sans);color:var(--text-main);font-size:.98rem;line-height:1.75}.letter-footer{border-top:1px dashed #f3c4ccb3;flex-direction:column;gap:6px;padding-top:16px;display:flex}.letter-closing{font-family:"Noto Sans Devanagari", var(--font-sans);color:var(--text-muted);font-size:.92rem}.letter-signature{color:var(--burgundy);font-size:1.5rem}.finale-closing-card{text-align:center;flex-direction:column;align-items:center;gap:16px;padding:10px 10px 20px;display:flex}.closing-tagline{color:var(--burgundy);font-size:.95rem;font-weight:700}.btn-replay-journey{border:1.5px solid var(--pastel-pink-border);width:100%;max-width:280px;min-height:50px;color:var(--burgundy);box-shadow:var(--shadow-sm);background:#fff;font-weight:700}.btn-replay-journey:active{background:var(--pastel-pink);transform:scale(.98)}@media (prefers-reduced-motion:reduce){.finale-section,.confetti-particle,.flame.flickering,.smoke-puff,.wish-celebration-banner,.letter-card{transition:none!important;animation:none!important}}.pwa-install-overlay{z-index:1000;padding:16px;padding-bottom:calc(16px + env(safe-area-inset-bottom,0px));pointer-events:none;justify-content:center;animation:.35s cubic-bezier(.16,1,.3,1) forwards pwaSlideUp;display:flex;position:fixed;bottom:0;left:0;right:0}@keyframes pwaSlideUp{0%{opacity:0;transform:translateY(30px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}.pwa-install-card{pointer-events:auto;border:1.5px solid var(--pastel-pink-border,#e8c1ca);-webkit-backdrop-filter:blur(12px);background:#fffdf9;border-radius:24px;width:100%;max-width:480px;padding:22px 20px 20px;position:relative;box-shadow:0 16px 36px -8px #702f432e,0 4px 12px #332a2b14}.pwa-washi-tape{pointer-events:none;background:#e8c1cae6;border-left:2px dashed #c9829180;border-right:2px dashed #c9829180;width:90px;height:20px;position:absolute;top:-10px;left:50%;transform:translate(-50%)rotate(-1.5deg);box-shadow:0 1px 3px #0000000d}.pwa-close-btn{background:var(--pastel-pink-soft,#faf0f2);width:32px;height:32px;color:var(--burgundy,#702f43);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:14px;font-weight:700;transition:all .2s;display:flex;position:absolute;top:12px;right:14px}.pwa-close-btn:hover{background:var(--pastel-pink-hover,#ebcfd5);transform:scale(1.05)}.pwa-standard-prompt{flex-direction:column;gap:16px;display:flex}.pwa-prompt-body{align-items:center;gap:16px;display:flex}.pwa-prompt-icon{border:1px solid var(--pastel-pink-border,#e8c1ca);background:#fff8ef;border-radius:16px;flex-shrink:0;width:60px;height:60px;box-shadow:0 4px 14px #702f4326}.pwa-prompt-info{flex:1;min-width:0}.pwa-badge-row{flex-wrap:wrap;gap:6px;margin-bottom:4px;display:flex}.pwa-pill-badge{text-transform:uppercase;letter-spacing:.5px;color:var(--burgundy,#702f43);background:#702f4314;border-radius:9999px;padding:2px 8px;font-size:11px;font-weight:700}.pwa-pill-offline{color:#b47318;background:#dfa04226;border-radius:9999px;padding:2px 8px;font-size:11px;font-weight:600}.pwa-prompt-title{color:var(--burgundy-deep,#4e1b2a);margin:0;font-size:17px;font-weight:800;line-height:1.25}.pwa-prompt-desc{color:var(--text-muted,#6b5b5e);margin-top:3px;font-size:13px;line-height:1.4}.pwa-prompt-actions{gap:10px;margin-top:2px;display:flex}.pwa-btn-primary{color:#fff;cursor:pointer;background:linear-gradient(135deg,#702f43 0%,#8e3e56 100%);border:none;border-radius:14px;flex:1.4;justify-content:center;align-items:center;gap:6px;padding:12px 16px;font-size:14px;font-weight:700;transition:all .2s;display:flex;box-shadow:0 4px 14px #702f4340}.pwa-btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px #702f434d}.pwa-btn-primary:active{transform:scale(.98)}.pwa-btn-secondary{background:var(--pastel-pink-soft,#faf0f2);color:var(--text-main,#332a2b);border:1px solid var(--pastel-pink-border,#e8c1ca);cursor:pointer;border-radius:14px;flex:1;padding:12px 14px;font-size:13px;font-weight:600;transition:all .2s}.pwa-btn-secondary:hover{background:var(--pastel-pink-hover,#ebcfd5)}.pwa-ios-guide{flex-direction:column;gap:14px;display:flex}.pwa-guide-header{align-items:center;gap:8px;display:flex}.pwa-guide-emoji{font-size:24px}.pwa-guide-title{color:var(--burgundy-deep,#4e1b2a);margin:0;font-size:18px;font-weight:800}.pwa-guide-intro{color:var(--text-muted,#6b5b5e);margin:0;font-size:13.5px;line-height:1.4}.pwa-ios-steps{flex-direction:column;gap:10px;margin:4px 0 6px;padding:0;list-style:none;display:flex}.pwa-step-item{border:1px solid var(--pastel-pink-border,#e8c1ca);background:#fff8ef;border-radius:14px;align-items:flex-start;gap:12px;padding:10px 12px;display:flex}.pwa-step-num{background:var(--burgundy,#702f43);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;margin-top:1px;font-size:12px;font-weight:700;display:flex}.pwa-step-text{color:var(--text-main,#332a2b);font-size:13.5px;line-height:1.45}.pwa-step-text strong{color:var(--burgundy,#702f43)}.pwa-safari-icon{color:#007aff;vertical-align:middle;display:inline-flex}.pwa-add-icon{font-size:14px}.pwa-guide-actions{justify-content:flex-end;margin-top:4px;display:flex}@media (width<=480px){.pwa-install-overlay{padding:12px;padding-bottom:calc(12px + env(safe-area-inset-bottom,0px))}.pwa-prompt-body{gap:12px}.pwa-prompt-icon{width:52px;height:52px}.pwa-prompt-title{font-size:15.5px}.pwa-prompt-desc{font-size:12.5px}}.offline-toast{top:calc(12px + env(safe-area-inset-top,0px));z-index:999;pointer-events:none;animation:.3s forwards offlineFadeIn;position:fixed;left:50%;transform:translate(-50%)}@keyframes offlineFadeIn{0%{opacity:0;transform:translate(-50%,-10px)}to{opacity:1;transform:translate(-50%)}}.offline-toast-pill{-webkit-backdrop-filter:blur(8px);border:1px solid #c9829166;border-radius:9999px;align-items:center;gap:8px;padding:6px 14px;font-size:12.5px;display:inline-flex;box-shadow:0 4px 14px #332a2b1f}.offline-toast.is-offline .offline-toast-pill{color:var(--burgundy,#702f43);background:#fff8eff2}.offline-toast.is-restored .offline-toast-pill{color:#166534;background:#f0fdf4f2;border-color:#22c55e4d}.offline-icon{font-size:14px}.offline-text strong{font-weight:700}