:root{--bg-primary: #0a040d;--bg-gradient: radial-gradient(circle at 50% 20%, #1f0822 0%, #0a040d 70%, #040106 100%);--accent-rose: #ff4d8d;--accent-pink: #ff75a0;--accent-gold: #ffd700;--accent-glow: rgba(255, 77, 141, .6);--glass-bg: rgba(25, 10, 28, .45);--glass-border: rgba(255, 117, 160, .25);--glass-glow: 0 8px 32px 0 rgba(255, 77, 141, .2);--text-main: #ffffff;--text-muted: #f3c6dc;--font-serif: "Playfair Display", serif;--font-cinzel: "Cinzel", serif;--font-sans: "Outfit", sans-serif;--font-script: "Great Vibes", cursive}.font-serif{font-family:Playfair Display,serif}.font-cinzel{font-family:Cinzel,serif}.font-script{font-family:Great Vibes,cursive}.font-sans{font-family:Outfit,sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body{width:100%;min-height:100%;background-color:var(--bg-primary);background-image:var(--bg-gradient);background-attachment:fixed;color:var(--text-main);font-family:var(--font-sans);overflow-x:hidden;touch-action:manipulation}#webgl-canvas{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:1;pointer-events:auto}.audio-widget{position:fixed;top:20px;right:20px;z-index:100}.glass-btn{background:#ffffff14;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);color:#fff;padding:10px 18px;border-radius:30px;font-family:var(--font-sans);font-size:.95rem;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:all .3s cubic-bezier(.25,.8,.25,1);box-shadow:0 4px 15px #0000004d}.glass-btn:active,.glass-btn:hover{background:#ff4d8d40;border-color:var(--accent-rose);transform:translateY(-2px) scale(1.03);box-shadow:0 0 20px var(--accent-glow)}.audio-btn{padding:10px 14px;border-radius:50px}.sound-wave{display:inline-flex;align-items:flex-end;gap:2px;height:14px}.sound-wave span{width:3px;height:100%;background:var(--accent-pink);border-radius:2px;animation:wave 1.2s infinite ease-in-out}.sound-wave span:nth-child(2){animation-delay:.2s}.sound-wave span:nth-child(3){animation-delay:.4s}@keyframes wave{0%,to{height:4px}50%{height:14px}}.app-container{position:relative;z-index:10;max-width:680px;margin:0 auto;padding:20px 16px 60px;display:flex;flex-direction:column;gap:32px}.glass-panel{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:24px;padding:24px 20px;box-shadow:var(--glass-glow);position:relative;overflow:hidden}.glass-panel:before{content:"";position:absolute;top:0;left:-50%;width:200%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.05),transparent);transform:rotate(30deg);pointer-events:none}.hero-section{text-align:center;padding-top:40px;display:flex;flex-direction:column;align-items:center;gap:16px}.hero-badge{background:linear-gradient(135deg,#ff4d8d33,#ffd70033);border:1px solid rgba(255,215,0,.4);color:var(--accent-gold);font-size:.85rem;font-weight:600;letter-spacing:1px;padding:6px 16px;border-radius:20px;text-transform:uppercase}.hero-title{font-family:var(--font-serif);font-size:clamp(2.2rem,7vw,3.4rem);line-height:1.15;font-weight:700;color:#fff;text-shadow:0 0 30px var(--accent-glow)}.highlight-name{background:linear-gradient(135deg,#ff4d8d,#ff9ebb,gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-family:var(--font-serif)}.nickname{display:block;font-family:var(--font-script);font-size:clamp(2.5rem,8vw,3.8rem);color:var(--accent-gold);-webkit-text-fill-color:var(--accent-gold);margin-top:-4px}.hero-subtitle{font-size:1.05rem;color:var(--text-muted);max-width:90%;line-height:1.5;font-weight:300}.countdown-card{width:100%;margin-top:8px;text-align:center}.countdown-header{font-size:.95rem;color:var(--text-muted);display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:16px;font-weight:500}.heart-pulse{display:inline-block;animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.3)}}.timer-grid{display:flex;align-items:center;justify-content:center;gap:12px}.timer-box{background:#0006;border:1px solid rgba(255,117,160,.3);border-radius:16px;padding:12px 14px;min-width:72px;display:flex;flex-direction:column;align-items:center}.timer-num{font-family:var(--font-serif);font-size:1.8rem;font-weight:700;color:#fff;text-shadow:0 0 12px var(--accent-rose)}.timer-unit{font-size:.75rem;color:var(--accent-pink);text-transform:uppercase;letter-spacing:.5px;margin-top:2px}.timer-colon{font-size:1.8rem;color:var(--accent-gold);font-weight:700;animation:blink 1s infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:.3}}.interactive-hint{font-size:.85rem;color:#ffffffbf;background:#ffffff0d;padding:8px 16px;border-radius:20px;border:1px dashed rgba(255,117,160,.3);line-height:1.4;max-width:92%}.section-center{display:flex;justify-content:center;align-items:center}.pulse-love-btn{position:relative;background:linear-gradient(135deg,#ff4d8d,#d81b60);border:none;color:#fff;padding:16px 36px;font-size:1.1rem;font-family:var(--font-sans);font-weight:600;border-radius:50px;cursor:pointer;overflow:hidden;box-shadow:0 0 25px #ff4d8d99;transition:all .3s ease}.pulse-love-btn:active,.pulse-love-btn:hover{transform:scale(1.06);box-shadow:0 0 40px #ff4d8de6}.btn-glow{position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.4) 0%,transparent 60%);opacity:0;transition:opacity .3s ease}.pulse-love-btn:hover .btn-glow{opacity:1}.cake-section{text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px}.section-title{font-family:var(--font-serif);font-size:1.7rem;color:#fff}.section-desc{font-size:.95rem;color:var(--text-muted);margin-top:-6px}.cake-container{margin:20px 0;position:relative}.cake{position:relative;width:160px;height:130px;margin:0 auto}.plate{width:200px;height:16px;background:#fff6;border-radius:10px;position:absolute;bottom:-10px;left:-20px;box-shadow:0 4px 15px #00000080}.layer{position:absolute;width:160px;border-radius:12px 12px 4px 4px}.layer-bottom{height:45px;bottom:0;background:linear-gradient(135deg,#7c1c45,#b82662)}.layer-middle{height:40px;bottom:40px;width:130px;left:15px;background:linear-gradient(135deg,#a82457,#e63980)}.layer-top{height:35px;bottom:75px;width:100px;left:30px;background:linear-gradient(135deg,#d83474,#ff5c9d)}.icing{position:absolute;top:20px;left:30px;width:100px;height:12px;background:#fff;border-radius:10px;box-shadow:0 2px 8px #fff9}.candles-row{position:absolute;top:-5px;left:35px;width:90px;display:flex;justify-content:space-around}.candle{position:relative;width:10px;height:30px;background:linear-gradient(to right,gold,#ffae00);border-radius:3px;cursor:pointer}.flame{position:absolute;top:-16px;left:1px;width:8px;height:16px;background:radial-gradient(ellipse at bottom,#fe5,#f50);border-radius:50% 50% 35% 35%;box-shadow:0 0 12px #f80;animation:flicker .15s infinite alternate}@keyframes flicker{0%{transform:scale(1) rotate(-2deg);opacity:.9}to{transform:scale(1.15) rotate(2deg);opacity:1}}.smoke{position:absolute;top:-20px;left:0;width:10px;height:20px;background:#c8c8c866;border-radius:50%;opacity:0;pointer-events:none}.candle.blown .flame{display:none}.candle.blown .smoke{animation:riseSmoke 1.5s ease-out forwards}@keyframes riseSmoke{0%{opacity:.8;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-30px) scale(2.5)}}.reasons-section{display:flex;flex-direction:column;gap:16px}.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:8px}.flip-card{background-color:transparent;height:170px;perspective:1000px;cursor:pointer}.flip-card-inner{position:relative;width:100%;height:100%;text-align:center;transition:transform .7s cubic-bezier(.4,.2,.2,1);transform-style:preserve-3d}.flip-card.flipped .flip-card-inner{transform:rotateY(180deg)}.flip-card-front,.flip-card-back{position:absolute;width:100%;height:100%;-webkit-backface-visibility:hidden;backface-visibility:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px;border-radius:20px}.flip-card-front{background:#1e0c2399;border:1px solid var(--glass-border)}.card-icon{font-size:2.2rem;margin-bottom:8px}.flip-card-front h3{font-family:var(--font-serif);font-size:1.15rem;color:#fff}.tap-hint{font-size:.75rem;color:var(--accent-pink);margin-top:8px}.flip-card-back{background:linear-gradient(135deg,#ff4d8d40,#280a2dd9);border:1px solid var(--accent-rose);transform:rotateY(180deg)}.flip-card-back h3{font-size:1.05rem;color:var(--accent-gold);margin-bottom:6px}.flip-card-back p{font-size:.85rem;color:#fff;line-height:1.4}.card-heart{margin-top:6px;font-size:1rem}.gallery-section{display:flex;flex-direction:column;gap:16px}.upload-toolbar{margin-top:10px;display:flex;flex-direction:column;align-items:center;gap:6px}.upload-btn{background:linear-gradient(135deg,#ffd70033,#ff4d8d4d);border:1px solid var(--accent-gold);color:var(--accent-gold)}.upload-note{font-size:.75rem;color:var(--text-muted)}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-top:10px}.gallery-card{border-radius:16px;overflow:hidden;border:1px solid var(--glass-border);background:#0000004d;transition:transform .3s ease,box-shadow .3s ease}.gallery-card:hover{transform:translateY(-4px);box-shadow:0 10px 25px #ff4d8d66}.image-wrapper{position:relative;width:100%;padding-top:125%;overflow:hidden}.gallery-img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.gallery-card:hover .gallery-img{transform:scale(1.08)}.image-overlay{position:absolute;bottom:0;left:0;right:0;padding:10px 8px;background:linear-gradient(to top,rgba(10,4,13,.9),transparent);color:var(--accent-pink);font-size:.8rem;font-weight:500;text-align:center}.letter-section{text-align:center;padding:30px 24px;display:flex;flex-direction:column;gap:16px}.letter-badge{color:var(--accent-gold);font-size:.9rem;font-weight:600;letter-spacing:1px}.letter-title{font-family:var(--font-serif);font-size:1.6rem;color:#fff}.letter-content{text-align:left;font-size:.95rem;color:#fce4ec;line-height:1.65;display:flex;flex-direction:column;gap:12px;background:#00000040;padding:20px;border-radius:16px;border:1px solid rgba(255,117,160,.2)}.letter-sign{margin-top:10px;text-align:right;font-family:var(--font-serif)}.signature{font-family:var(--font-script);font-size:2.2rem;color:var(--accent-gold)}.glow-btn{background:linear-gradient(135deg,var(--accent-rose),#d81b60);border:none;font-weight:600;box-shadow:0 0 20px var(--accent-glow)}.app-footer{text-align:center;font-size:.8rem;color:#ffffff80;padding-top:20px}.floating-heart-element{position:fixed;pointer-events:none;z-index:999;-webkit-user-select:none;user-select:none;animation:floatUp 3s cubic-bezier(.25,1,.5,1) forwards}@keyframes floatUp{0%{opacity:1;transform:translate(0) scale(.5) rotate(0)}to{opacity:0;transform:translate(var(--dx),var(--dy)) scale(1.6) rotate(var(--rot))}}.ascii-love-section{display:flex;flex-direction:column;gap:16px;align-items:center}.ascii-container{display:flex;flex-direction:column;gap:18px;width:100%;margin-top:10px}.ascii-box{background:#00000073;border:1px solid var(--glass-border);border-radius:16px;padding:16px 12px;text-align:center;overflow-x:auto;box-shadow:inset 0 0 20px #ff4d8d26}.ascii-label{font-size:.8rem;color:var(--accent-gold);letter-spacing:1px;margin-bottom:8px;font-weight:600}.ascii-art{font-family:Courier New,Courier,monospace;font-size:clamp(.55rem,2.2vw,.85rem);line-height:1.15;font-weight:700;white-space:pre;display:inline-block}.glow-pink{color:#ff75a0;text-shadow:0 0 10px rgba(255,117,160,.8),0 0 20px rgba(255,77,141,.5)}.glow-gold{color:gold;text-shadow:0 0 10px rgba(255,215,0,.8),0 0 20px rgba(255,174,0,.5)}.glow-rose{color:#ff4d8d;text-shadow:0 0 10px rgba(255,77,141,.8),0 0 20px rgba(216,27,96,.5)}.ascii-quote{font-family:var(--font-serif);font-style:italic;font-size:.9rem;color:var(--text-muted);margin-top:8px}@keyframes rotating3D{0%{transform:perspective(1000px) rotateX(-10deg) rotateY(0)}to{transform:perspective(1000px) rotateX(-10deg) rotateY(360deg)}}