.lock-screen{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#ff9a9e,#fad0c4,#ffecd2);position:relative;overflow:hidden}.hearts-background{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;overflow:hidden}.floating-heart{position:absolute;font-size:2rem;filter:blur(.5px)}.lock-container{background:#fffffff2;padding:3rem 2rem;border-radius:30px;box-shadow:0 20px 60px #0003;text-align:center;max-width:500px;width:90%;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,.5)}.lock-icon{font-size:4rem;margin-bottom:1rem}.lock-title{font-family:Dancing Script,cursive;font-size:2.5rem;color:#d9534f;margin-bottom:.5rem;font-weight:700}.lock-subtitle{font-size:1.1rem;color:#555;margin-bottom:.3rem}.lock-hint{font-size:.9rem;color:#888;margin-bottom:.5rem;font-style:italic}.laptop-note{font-size:1rem;color:#d9534f;margin-bottom:1.5rem;padding:.8rem 1.2rem;background:#ffb6c133;border-radius:15px;border:2px dashed #ffc0cb;font-weight:600;display:inline-block}.pin-container{display:flex;gap:.8rem;justify-content:center;margin-bottom:1.5rem}.pin-input{width:50px;height:60px;font-size:2rem;text-align:center;border:3px solid #ffc0cb;border-radius:12px;outline:none;transition:all .3s ease;background:#fff;color:#d9534f;font-weight:600}.pin-input:focus{border-color:#d9534f;box-shadow:0 0 20px #d9534f4d;transform:scale(1.05)}.pin-input.error{border-color:#f44;animation:pulse .5s}.shake{animation:shake .5s}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.error-message{color:#d9534f;font-size:1rem;line-height:1.6;padding:1rem;background:#d9534f1a;border-radius:10px;margin-top:1rem}@media (max-width: 768px){.lock-container{padding:2rem 1.5rem}.lock-title{font-size:2rem}.pin-container{gap:.5rem}.pin-input{width:40px;height:50px;font-size:1.5rem}.floating-heart{font-size:1.5rem}.laptop-note{font-size:.9rem;padding:.6rem 1rem}}.timeline-container{padding:4rem 2rem;max-width:1200px;margin:0 auto}.timeline-title{font-family:Dancing Script,cursive;font-size:3rem;color:#d9534f;text-align:center;margin-bottom:4rem;font-weight:700}.timeline{position:relative;padding:2rem 0}.timeline-line{position:absolute;left:50%;top:0;bottom:0;width:3px;background:linear-gradient(180deg,pink,#d9534f,pink);transform:translate(-50%);z-index:0}.timeline-line:before,.timeline-line:after{content:"❤️";position:absolute;left:50%;transform:translate(-50%);font-size:1.5rem}.timeline-line:before{top:-10px}.timeline-line:after{bottom:-10px}.photo-card{position:relative;margin:4rem 0;z-index:1}.photo-card.left{text-align:right;padding-right:52%}.photo-card.right{text-align:left;padding-left:52%}.photo-wrapper{position:relative;display:inline-block;max-width:400px;width:100%}.photo-number{position:absolute;top:-15px;right:-15px;width:40px;height:40px;background:linear-gradient(135deg,#ff6b9d,#d9534f);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;z-index:3;box-shadow:0 4px 15px #d9534f66}.photo{width:100%;height:300px;object-fit:cover;border-radius:20px;box-shadow:0 10px 30px #0003;border:5px solid white;transition:transform .3s ease}.photo-wrapper:hover .photo{transform:scale(1.05)}.photo-overlay{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(0deg,rgba(0,0,0,.7),transparent);border-bottom-left-radius:20px;border-bottom-right-radius:20px;padding:1.5rem;opacity:0;transition:opacity .3s ease}.photo-wrapper:hover .photo-overlay{opacity:1}.photo-month{color:#fff;font-size:1.2rem;font-weight:600;text-align:center;font-family:Playfair Display,serif}.photo-glow{position:absolute;top:-10px;right:-10px;bottom:-10px;left:-10px;background:linear-gradient(135deg,#ffb6c166,#d9534f66);border-radius:25px;filter:blur(20px);opacity:0;transition:opacity .3s ease;z-index:-1}.photo-wrapper:hover .photo-glow{opacity:1}.photo-card:before{content:"";position:absolute;top:150px;width:20px;height:20px;background:#d9534f;border:4px solid white;border-radius:50%;box-shadow:0 0 0 4px #d9534f33;z-index:2}.photo-card.left:before{right:calc(50% - 10px)}.photo-card.right:before{left:calc(50% - 10px)}.video-wrapper{margin-top:2rem;display:inline-block;max-width:500px;width:100%}.timeline-video{width:100%;max-height:400px;border-radius:20px;box-shadow:0 15px 40px #d9534f4d;border:5px solid white;background:#000}.video-label{text-align:center;margin-top:1rem;font-family:Dancing Script,cursive;font-size:1.3rem;color:#d9534f;font-weight:600}.photo-card.has-video{margin-bottom:6rem}.photo-card.has-video .photo-wrapper{margin-bottom:1rem}@media (max-width: 768px){.timeline-line{left:30px}.photo-card.left,.photo-card.right{text-align:left;padding-left:70px;padding-right:0}.photo-card:before{left:20px!important;right:auto!important}.photo{height:250px}.timeline-title{font-size:2.5rem}.photo-number{right:auto;left:-15px}.video-wrapper{max-width:100%}.timeline-video{max-height:300px}}.envelope-section{padding:5rem 2rem;max-width:1200px;margin:0 auto;text-align:center;background:linear-gradient(180deg,rgba(255,182,193,.1),transparent,rgba(255,182,193,.1))}.envelope-title{font-family:Dancing Script,cursive;font-size:3rem;color:#d9534f;margin-bottom:3rem;font-weight:700}.envelope-wrapper{height:450px;display:flex;justify-content:center;align-items:center;margin-bottom:2rem}.envelope{position:relative;width:320px;height:200px;border-bottom-left-radius:6px;border-bottom-right-radius:6px;background-color:#d9534f;box-shadow:0 8px 30px #0003}.front{position:absolute;width:0;height:0;z-index:3}.flap{border-left:160px solid transparent;border-right:160px solid transparent;border-bottom:92px solid transparent;border-top:108px solid #d9534f;transform-origin:top;pointer-events:none}.pocket{border-left:160px solid #f5a3a2;border-right:160px solid #f5a3a2;border-bottom:100px solid #ff6f61;border-top:100px solid transparent;border-bottom-left-radius:6px;border-bottom-right-radius:6px}.letter{position:relative;background-color:#fff;width:90%;margin-left:auto;margin-right:auto;height:90%;top:5%;border-radius:6px;box-shadow:0 2px 26px #0000001f;font-family:Dancing Script,cursive;overflow-y:auto;padding:1rem}.words{position:relative;width:100%;background-color:transparent;color:#333;font-size:.7rem;line-height:1.5;margin-bottom:1rem;text-align:left}.words.line1{font-size:.85rem;font-weight:700;color:#d9534f;margin-bottom:1rem;text-align:center}.words.line2,.words.line3{font-size:.68rem;margin-bottom:.8rem}.words.line4{font-size:.7rem;text-align:center;font-weight:700;color:#d9534f}.open .flap{transform:rotateX(180deg);transition:transform .4s ease,z-index .6s;z-index:1}.close .flap{transform:rotateX(0);transition:transform .4s .6s ease,z-index 1s;z-index:5}.close .letter{transform:translateY(0);transition:transform .4s ease,z-index 1s;z-index:1}.open .letter{transform:translateY(-120px);transition:transform .4s .6s ease,z-index .6s;z-index:2}.hearts{position:absolute;top:100px;left:0;right:0;z-index:2}.heart{position:absolute;bottom:0;right:10%;pointer-events:none}.heart:before,.heart:after{position:absolute;content:"";left:50px;top:0;width:50px;height:80px;background:#e60073;border-radius:50px 50px 0 0;transform:rotate(-45deg);transform-origin:0 100%;pointer-events:none}.heart:after{left:0;transform:rotate(45deg);transform-origin:100% 100%}.close .heart{opacity:0;animation:none}.a1{left:20%;transform:scale(.6);opacity:1;animation:slideUp 4s linear 1,sideSway 2s ease-in-out 4 alternate;animation-fill-mode:forwards;animation-delay:.7s}.a2{left:55%;transform:scale(1);opacity:1;animation:slideUp 5s linear 1,sideSway 4s ease-in-out 2 alternate;animation-fill-mode:forwards;animation-delay:.7s}.a3{left:10%;transform:scale(.8);opacity:1;animation:slideUp 7s linear 1,sideSway 2s ease-in-out 6 alternate;animation-fill-mode:forwards;animation-delay:.7s}@keyframes slideUp{0%{top:0}to{top:-600px}}@keyframes sideSway{0%{margin-left:0}to{margin-left:50px}}.envelope-controls{text-align:center;margin-top:2rem}.envelope-btn{font-weight:800;font-style:normal;transition:all .3s ease;-webkit-appearance:none;background-color:transparent;border:solid 3px #d9534f;border-radius:30px;color:#d9534f;display:inline-block;font-size:1.1rem;text-transform:uppercase;padding:1rem 3rem;line-height:1em;text-decoration:none;min-width:150px;cursor:pointer;font-family:Poppins,sans-serif;box-shadow:0 4px 15px #d9534f33}.envelope-btn:hover{background-color:#d9534f;color:#fff;box-shadow:0 6px 25px #d9534f66}@media (max-width: 768px){.envelope-title{font-size:2.5rem}.envelope{width:280px;height:180px}.flap{border-left:140px solid transparent;border-right:140px solid transparent;border-bottom:82px solid transparent;border-top:98px solid #d9534f}.pocket{border-left:140px solid #f5a3a2;border-right:140px solid #f5a3a2;border-bottom:90px solid #ff6f61;border-top:90px solid transparent}.open .letter{transform:translateY(-100px)}.envelope-wrapper{height:380px}.words{font-size:.6rem}.words.line1{font-size:.72rem}.words.line2,.words.line3{font-size:.58rem}.words.line4{font-size:.65rem}.envelope-btn{padding:.8rem 2.5rem;font-size:1rem}}.message-section{padding:4rem 2rem;max-width:1000px;margin:0 auto;background:linear-gradient(180deg,transparent,rgba(255,182,193,.1),transparent)}.section-title{font-family:Dancing Script,cursive;font-size:3rem;color:#d9534f;text-align:center;margin-bottom:3rem;font-weight:700}.messages-container{display:flex;flex-direction:column;gap:2.5rem}.message-card{background:#fff;padding:2.5rem;border-radius:25px;box-shadow:0 10px 40px #0000001a;position:relative;border:2px solid rgba(217,83,79,.1);transition:all .3s ease}.message-card:hover{transform:translateY(-5px);box-shadow:0 15px 50px #d9534f33;border-color:#d9534f4d}.message-heart{font-size:3rem;text-align:center;margin-bottom:1rem;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.message-title{font-family:Playfair Display,serif;font-size:2rem;color:#d9534f;text-align:center;margin-bottom:1.5rem;font-weight:700}.message-text{font-size:1.1rem;line-height:1.8;color:#555;text-align:center;font-family:Poppins,sans-serif;font-weight:300}.message-card:before{content:"";position:absolute;top:-2px;left:-2px;right:-2px;bottom:-2px;background:linear-gradient(135deg,#ff6b9d,#d9534f,pink);border-radius:25px;z-index:-1;opacity:0;transition:opacity .3s ease}.message-card:hover:before{opacity:.3}@media (max-width: 768px){.section-title{font-size:2.5rem}.message-card{padding:2rem 1.5rem}.message-title{font-size:1.6rem}.message-text{font-size:1rem}.message-heart{font-size:2.5rem}}.heart-canvas{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;opacity:.4}.memories-page{min-height:100vh;position:relative;overflow-x:hidden;background:linear-gradient(135deg,#ffeef8,#ffe0f0,#fff5f8)}.logout-btn{position:fixed;top:2rem;right:2rem;z-index:1000;font-weight:700;font-style:normal;transition:all .3s ease;-webkit-appearance:none;background-color:#fff;border:solid 2px #d9534f;border-radius:25px;color:#d9534f;font-size:.95rem;text-transform:uppercase;padding:.7rem 1.8rem;line-height:1em;cursor:pointer;font-family:Poppins,sans-serif;box-shadow:0 4px 15px #d9534f33}.logout-btn:hover{background-color:#d9534f;color:#fff;box-shadow:0 6px 25px #d9534f66}.hero-section{padding:4rem 2rem 3rem;text-align:center;background:linear-gradient(180deg,rgba(255,182,193,.3) 0%,transparent 100%)}.hero-title{font-family:Dancing Script,cursive;font-size:4rem;color:#d9534f;margin-bottom:1rem;text-shadow:2px 2px 4px rgba(0,0,0,.1);font-weight:700}.hero-subtitle{font-family:Playfair Display,serif;font-size:1.5rem;color:#666;margin-bottom:2rem}.divider{width:200px;height:3px;background:linear-gradient(90deg,transparent,#d9534f,transparent);margin:0 auto}.footer{text-align:center;padding:3rem 2rem;font-family:Dancing Script,cursive;font-size:1.5rem;color:#d9534f}@media (max-width: 768px){.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.2rem}.hero-section{padding:3rem 1.5rem 2rem}.logout-btn{top:1rem;right:1rem;padding:.6rem 1.4rem;font-size:.85rem}}.App{width:100%;min-height:100vh}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Poppins,sans-serif;overflow-x:hidden;background:linear-gradient(135deg,#ffeef8,#ffe0f0,#fff5f8);min-height:100vh}#root{width:100%;min-height:100vh}