:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--bg1: #0b1020;--bg2: #1b1f38;--accent: #ff477e;--accent-2: #ffd166;--text: #f7f8ff}html,body,#root{height:100%}body{margin:0;display:block;background:radial-gradient(1200px 600px at 50% -10%,#243057,transparent),radial-gradient(900px 500px at 120% 10%,#2a1e42,transparent),linear-gradient(160deg,var(--bg1),var(--bg2));color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,"Apple Color Emoji","Segoe UI Emoji";min-height:100vh}.scene{min-height:100vh;display:grid;place-items:center;padding:clamp(16px,5vw,32px);padding-top:clamp(96px,16vh,180px);text-align:center;position:relative;overflow:hidden}.greeting{position:absolute;top:24px;left:50%;transform:translate(-50%)}.greeting h1{margin:0 0 6px;font-size:clamp(24px,4vw,40px)}.greeting p{margin:0;opacity:.9}.gift{border:none;background:transparent;cursor:pointer;position:relative;width:clamp(200px,36vw,260px);height:clamp(200px,36vw,260px);padding:0}.gift .box{width:100%;height:70%;position:absolute;bottom:0;left:0;background:linear-gradient(180deg,#ff6b9a,#f36);border-radius:14px;box-shadow:0 18px 40px #0000004d inset,0 14px 30px #00000059}.gift .lid{position:absolute;top:0;left:0;width:100%;height:36%;background:linear-gradient(180deg,#ffd3e2,#ffc2d6);border-radius:12px;transform-origin:left bottom;transition:transform .7s ease,box-shadow .7s ease;box-shadow:0 12px 20px #00000040}.gift .ribbon.vertical{position:absolute;inset:0;margin:auto;width:18px;height:100%;background:var(--accent-2);box-shadow:0 0 0 4px #00000010 inset}.gift .ribbon.horizontal{position:absolute;bottom:40%;left:0;right:0;height:18px;background:var(--accent-2);box-shadow:0 0 0 4px #00000010 inset}.gift .hint{position:absolute;bottom:-32px;left:50%;transform:translate(-50%);font-size:14px;opacity:.7}.gift.open .lid{transform:rotate(-28deg) translate(-8px,-26px);box-shadow:0 22px 40px #00000059}.heart-stage{display:grid;place-items:center;gap:8px}.whisper{opacity:.85}.heart{width:120px;height:110px;position:relative;transform:rotate(-45deg);background:var(--accent);animation:thump .9s ease-in-out infinite;filter:drop-shadow(0 12px 22px rgba(255,71,126,.35))}.heart:before,.heart:after{content:"";position:absolute;width:120px;height:120px;background:var(--accent);border-radius:50%}.heart:before{top:-60px;left:0}.heart:after{left:60px;top:0}@keyframes thump{0%,to{transform:rotate(-45deg) scale(1)}25%{transform:rotate(-45deg) scale(1.06)}50%{transform:rotate(-45deg) scale(1)}75%{transform:rotate(-45deg) scale(1.04)}}.photo-stage{display:grid;place-items:center;gap:12px;margin-top:clamp(20px,6vh,36px)}.photo{width:min(80vw,360px);height:auto;max-height:68vh;border-radius:18px;border:1px solid #ffffff18;box-shadow:0 18px 55px #00000080;animation:fadeIn .9s ease forwards}.overlay-text{max-width:680px}.overlay-text h2{margin:10px 0 6px}.overlay-text p{margin:0;opacity:.9}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.footer{position:absolute;bottom:10px;left:50%;transform:translate(-50%);font-size:12px;opacity:.7}.letter{margin-top:12px;display:grid;place-items:center;gap:10px}.letter h3{margin:6px 0;font-size:clamp(18px,4vw,24px)}.letter-card{width:min(90vw,760px);background:#0f1330a6;border:1px solid #ffffff1a;border-radius:16px;padding:clamp(14px,4vw,22px);box-shadow:0 10px 28px #00000059}.letter-body{white-space:pre-wrap;text-align:left;line-height:1.7}.letter-edit textarea{width:min(90vw,760px);min-height:200px;background:#ffffff0f;color:var(--text);border:1px solid #ffffff2a;border-radius:12px;padding:12px;font-size:16px;font-family:inherit;resize:vertical}.letter-actions{display:flex;gap:10px;justify-content:center}.letter-actions button{border-radius:10px;border:1px solid #ffffff22;background:#1a1a1a;color:var(--text);padding:10px 14px;cursor:pointer}.letter-actions button:hover{border-color:var(--accent-2)}@media(max-width:480px){.letter-body{font-size:15px}}@media(max-width:480px){.scene{padding-top:clamp(80px,18vh,160px)}.greeting{top:16px}.greeting h1{font-size:clamp(22px,7vw,32px)}.overlay-text h2{font-size:20px}.overlay-text p{font-size:14px}}