@import"https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600&display=swap";.love-letter-container{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;min-height:300px;cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.envelope-wrapper{position:relative;width:260px;height:180px;perspective:1000px}.envelope-back,.envelope-front{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:12px;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1)}.envelope-back{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;background:linear-gradient(135deg,#be185d,#ec4899);box-shadow:0 8px 32px #be185d4d;z-index:2}.envelope-wrapper.is-open .envelope-back{transform:rotateY(-180deg)}.envelope-seal{display:flex;align-items:center;justify-content:center;width:64px;height:64px;background:#fff3;border-radius:50%}.envelope-hint{font-size:.875rem;color:#fffc;margin:0}.envelope-front{display:flex;flex-direction:column;background:#fff;z-index:1;transform:rotateY(0);overflow:hidden}.envelope-wrapper.is-open .envelope-front{transform:rotateY(180deg);z-index:3}.envelope-flap{position:absolute;top:0;left:0;right:0;height:50%;background:linear-gradient(135deg,#ec4899,#be185d);clip-path:polygon(0 0,50% 60%,100% 0);border-radius:12px 12px 0 0}.envelope-body{position:absolute;bottom:0;left:0;right:0;height:55%;background:#fff;border-radius:0 0 12px 12px;border:2px solid #fce7f3;display:flex;align-items:center;justify-content:center}.envelope-inner{width:90%;padding:1rem}.letter-content{display:flex;flex-direction:column;gap:.5rem}.letter-line{margin:0;font-size:.95rem;color:#1f2937;line-height:1.5;overflow:hidden}.letter-sparkle{display:flex;justify-content:center;margin-top:.5rem}.pulse-ring{position:absolute;width:260px;height:180px;border:2px solid rgba(236,72,153,.4);border-radius:12px;animation:pulse-ring 2s ease-in-out infinite;pointer-events:none}@keyframes pulse-ring{0%,to{transform:scale(1);opacity:.6}50%{transform:scale(1.05);opacity:0}}.closing-container{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;padding:2rem 1rem}.cake-stage{position:relative;display:flex;flex-direction:column;align-items:center}.cake-illustration{display:flex;flex-direction:column;align-items:center;gap:0;opacity:0;transform:translateY(100px);transition:opacity .8s ease-out,transform .8s cubic-bezier(.34,1.56,.64,1)}.cake-visible .cake-illustration{opacity:1;transform:translateY(0)}.cake-layer{border-radius:8px;position:relative}.cake-layer-bottom{width:140px;height:50px;background:linear-gradient(135deg,#be185d,#ec4899)}.cake-layer-middle{width:120px;height:40px;background:linear-gradient(135deg,#ec4899,#f472b6);margin-top:-4px}.cake-layer-top{width:100px;height:35px;background:linear-gradient(135deg,#f472b6,#fbcfe8);margin-top:-4px}.cake-text{font-size:.75rem;font-weight:700;color:#be185d;margin-top:.5rem;letter-spacing:.1em;text-transform:uppercase}.candles-row{display:flex;gap:1.5rem;margin-top:.75rem}.candle-wrapper{display:flex;flex-direction:column;align-items:center;cursor:pointer;position:relative;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.candle-stick{width:8px;height:40px;background:linear-gradient(180deg,#fef3c7,#fcd34d);border-radius:4px 4px 0 0;position:relative}.candle-flame{position:relative;margin-top:-8px}.flame{width:12px;height:20px;background:radial-gradient(ellipse at bottom,#fbbf24,#f59e0b,#ef4444);border-radius:50%/60% 60% 40% 40%;animation:flicker .15s ease-in-out infinite alternate;transform-origin:bottom center}@keyframes flicker{0%{transform:scale(1) rotate(-2deg);opacity:1}50%{transform:scale(.95,1.1) rotate(2deg);opacity:.9}to{transform:scale(1.05,.95) rotate(-1deg);opacity:1}}.candle-wrapper.blown-out .candle-stick{background:linear-gradient(180deg,#94a3b8,#64748b);height:36px}.candle-wrapper.blown-out .candle-flame,.no-flame{display:none}.candle-smoke{position:absolute;top:-30px;left:50%;transform:translate(-50%);pointer-events:none}.smoke-puff{width:16px;height:16px;background:#94a3b899;border-radius:50%;animation:smoke-rise 1s ease-out forwards}.smoke-puff-2{animation-delay:.2s;width:12px;height:12px;position:absolute;top:-10px;left:4px}@keyframes smoke-rise{0%{opacity:.6;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-30px) scale(1.5)}}.celebration-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none;animation:celebration-pop .5s ease-out}@keyframes celebration-pop{0%{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}.celebration-emoji-row{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin-bottom:.5rem;max-width:300px}.confetti-piece{display:inline-block;animation:confetti-float 2s ease-in-out infinite}.confetti-piece:nth-child(1){animation-delay:0s}.confetti-piece:nth-child(2){animation-delay:.1s}.confetti-piece:nth-child(3){animation-delay:.2s}.confetti-piece:nth-child(4){animation-delay:.3s}.confetti-piece:nth-child(5){animation-delay:.4s}.confetti-piece:nth-child(6){animation-delay:.5s}.confetti-piece:nth-child(7){animation-delay:.6s}.confetti-piece:nth-child(8){animation-delay:.7s}.confetti-piece:nth-child(9){animation-delay:.8s}@keyframes confetti-float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-10px) rotate(10deg)}}.celebration-text{font-size:1.25rem;font-weight:700;color:#be185d;margin:0;animation:celebration-text-glow 1.5s ease-in-out infinite alternate}@keyframes celebration-text-glow{0%{text-shadow:0 0 8px rgba(236,72,153,.3)}to{text-shadow:0 0 20px rgba(236,72,153,.6)}}.celebration-effects{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;overflow:hidden}.balloons-layer,.sparkles-layer{position:absolute;top:0;right:0;bottom:0;left:0}.floating-balloon{position:absolute;bottom:-60px;animation-name:float-up;animation-timing-function:linear;animation-iteration-count:infinite;will-change:transform}.balloon-emoji{font-size:1.5rem;display:block;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}@keyframes float-up{0%{transform:translateY(0) rotate(0);opacity:0}10%{opacity:1}90%{opacity:1}to{transform:translateY(-100vh) rotate(15deg);opacity:0}}.sparkle-particle{position:absolute;width:6px;height:6px;background:#fffc;border-radius:50%;animation-name:sparkle-twinkle;animation-timing-function:ease-in-out;animation-iteration-count:infinite;will-change:opacity,transform}@keyframes sparkle-twinkle{0%,to{opacity:0;transform:scale(0)}50%{opacity:1;transform:scale(1)}}@media(prefers-reduced-motion:reduce){.pulse-ring,.envelope-wrapper,.envelope-back,.envelope-front,.cake-illustration,.candle-layer,.flame,.smoke-puff,.celebration-overlay,.confetti-piece,.celebration-text,.floating-balloon,.sparkle-particle{animation:none!important;transition:opacity .2s ease!important}.envelope-wrapper.is-open .envelope-back,.envelope-wrapper.is-open .envelope-front{transform:none;opacity:1}.cake-illustration,.letter-line{opacity:1;transform:none}.floating-balloon{bottom:50%;opacity:.6}.sparkle-particle{opacity:.5;transform:scale(.8)}.smoke-puff{display:none}}.sky-environment{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1;overflow:hidden}.cloud{position:absolute;background:#ffffff0d;border-radius:50%;filter:blur(10px);will-change:transform}.airplane-container{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:50}.airplane-sprite{position:absolute;font-size:2.5rem;will-change:transform;transform-origin:center center;filter:drop-shadow(0 4px 12px rgba(212,175,55,.3));transition:transform .1s linear}.contrail{position:absolute;top:50%;right:100%;width:40px;height:2px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.6));transform-origin:right center;border-radius:2px}@media(prefers-reduced-motion:reduce){.airplane-sprite{transition:none}}:root{--bg-base: #050505;--bg-surface: #121212;--bg-surface-glass: rgba(18, 18, 18, .7);--text-primary: #FAFAFA;--text-secondary: #A1A1AA;--text-muted: #52525B;--accent-primary: #D4AF37;--accent-secondary: #EAB308;--accent-glow: rgba(212, 175, 55, .15);--font-display: "Playfair Display", serif;--font-sans: "Inter", sans-serif;--app-max-width: 430px;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--min-touch-target: 48px;--border-radius-sm: 8px;--border-radius-md: 12px;--border-radius-lg: 24px;--border-radius-pill: 9999px;--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html{scroll-behavior:smooth;font-size:16px}body{background-color:var(--bg-base);color:var(--text-primary);font-family:var(--font-sans);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:600;line-height:1.2;color:var(--text-primary);letter-spacing:-.02em}h1{font-size:clamp(2rem,8vw,2.5rem);margin-bottom:var(--spacing-md)}h2{font-size:clamp(1.5rem,6vw,2rem);margin-bottom:var(--spacing-sm)}h3{font-size:clamp(1.2rem,5vw,1.5rem)}p{color:var(--text-secondary);font-size:1rem;margin-bottom:var(--spacing-md)}.subtitle{font-size:1.125rem;color:var(--text-secondary);font-weight:300}.highlight{color:var(--accent-primary)}.journey-container{width:100%;max-width:var(--app-max-width);margin:0 auto;min-height:100dvh;position:relative;background-color:var(--bg-base);box-shadow:0 0 40px #000c;overflow:hidden}.scene{min-height:100dvh;width:100%;position:relative;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:var(--spacing-xl) var(--spacing-lg)}.scene-content{width:100%;display:flex;flex-direction:column;align-items:center;text-align:center;z-index:10}button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);min-height:var(--min-touch-target);padding:0 var(--spacing-lg);font-family:var(--font-sans);font-weight:500;font-size:1rem;border:none;border-radius:var(--border-radius-pill);cursor:pointer;transition:all var(--transition-normal);text-decoration:none}.btn-primary{background-color:var(--accent-primary);color:var(--bg-base)}.btn-primary:active{transform:scale(.96);opacity:.9}.btn-secondary{background-color:transparent;color:var(--text-primary);border:1px solid rgba(255,255,255,.2);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.btn-secondary:active{background-color:#ffffff0d;border-color:#ffffff4d}a{color:var(--accent-primary);text-decoration:none}.glass-panel{background:var(--bg-surface-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:var(--border-radius-md);padding:var(--spacing-lg)}.flex-col{display:flex;flex-direction:column;gap:var(--spacing-md)}.flex-row{display:flex;align-items:center;gap:var(--spacing-md)}@media(min-width:431px){body{display:flex;justify-content:center;background-color:#000}}.letter-section{width:100%;max-width:400px;margin:0 auto}.letter-wrapper{position:relative}.envelope-container{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:2rem;background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:var(--border-radius-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.envelope-content-preview{display:flex;flex-direction:column;align-items:center;gap:.75rem}.envelope-icon{width:80px;height:80px;display:flex;align-items:center;justify-content:center;background:#ec48991a;border-radius:50%}.envelope-recipient{font-family:var(--font-display);font-size:1.25rem;color:var(--text-primary)}.envelope-sub{font-size:.875rem;color:var(--text-secondary)}.wax-seal{width:48px;height:48px;background:linear-gradient(135deg,#be123c,#f43f5e);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.625rem;font-weight:700;color:#fff;box-shadow:0 4px 12px #f43f5e66}.seal-text{text-transform:uppercase;letter-spacing:.05em}.opened-letter-card{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:90%;padding:2rem;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:var(--border-radius-lg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:10}.letter-header{display:flex;align-items:center;gap:.5rem;margin-bottom:1rem}.letter-quill{display:flex;align-items:center}.letter-recipient-title{font-family:var(--font-display);font-size:1.125rem;color:var(--accent-primary)}.letter-body{margin-bottom:1rem}.letter-p{font-size:1rem;line-height:1.7;color:var(--text-secondary);margin-bottom:1rem}.letter-signature{display:flex;flex-direction:column;gap:.25rem}.signature-line{width:60px;height:1px;background:var(--accent-primary)}.sender-name{font-weight:600;color:var(--text-primary)}.letter-footer-actions{display:flex;justify-content:center;margin-top:1rem}.confetti-canvas{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.closing-section{width:100%;position:relative}.closing-grid{display:flex;flex-direction:column;gap:1.5rem;width:100%}.cake-card{position:relative;padding:2rem;background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:var(--border-radius-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.cake-illustration{position:relative;display:flex;justify-content:center;padding:2rem 0}.cake-body{position:relative;display:flex;flex-direction:column;align-items:center;gap:.5rem}.cake-layer{width:120px;height:60px;border-radius:var(--border-radius-md)}.layer-top{background:linear-gradient(135deg,#f43f5e,#be123c);width:100px;height:50px}.layer-bottom{background:linear-gradient(135deg,#be123c,#881337);width:140px;height:70px}.cake-text{font-family:var(--font-display);font-size:.875rem;color:var(--text-primary);text-align:center;letter-spacing:.1em}.cake-stand{font-size:2rem}.candles-row{display:flex;justify-content:center;gap:1.5rem;margin-top:1rem}.candle{display:flex;flex-direction:column;align-items:center;cursor:pointer}.candle-stick{width:8px;height:40px;background:linear-gradient(180deg,#fef3c7,#fbbf24);border-radius:4px 4px 0 0;position:relative}.flame{position:absolute;top:-20px;left:50%;transform:translate(-50%)}.smoke{position:absolute;top:-40px;left:50%;transform:translate(-50%);width:40px;height:40px;background:#ffffff4d;border-radius:50%;filter:blur(8px)}.blow-out-check{display:flex;justify-content:center}.cake-actions{display:flex;flex-direction:column;align-items:center;gap:.75rem;margin-top:1rem}.blow-out-progress{font-size:.875rem;color:var(--text-secondary)}.celebration-message{display:flex;align-items:center;gap:.5rem;font-size:1rem;font-weight:600}.cake-sparkle{position:absolute;display:flex;align-items:center;justify-content:center;pointer-events:none}.celebration-effects{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;overflow:hidden}.balloons-container{position:absolute;width:100%;height:100%}.balloon{position:absolute;border-radius:50%;bottom:-60px;opacity:.6}.balloon-highlight{position:absolute;top:20%;left:20%;width:30%;height:30%;background:#fff6;border-radius:50%}.balloon-string{position:absolute;bottom:-20px;left:50%;transform:translate(-50%);width:1px;height:30px;background:#ffffff4d}.sparkles-container{position:absolute;width:100%;height:100%}.sparkle{position:absolute;background:#fffc;border-radius:50%;pointer-events:none}