:root{--bg: #100b14;--bg-deep: #0a070d;--panel: #1b1220;--panel-2: #24182b;--paper: #fff7e9;--ink: #2a1720;--line: rgba(255, 243, 228, .12);--line-strong: rgba(255, 243, 228, .24);--text: #fbf2e7;--muted: #b6a3b5;--gold: #e8c48b;--gold-bright: #f6dca8;--pink: #f09aa6;--accent: #f09aa6;--accent-2: #c9a7ff;--accent-ink: #24101a;--glow: rgba(240, 154, 166, .3);--glow-2: rgba(201, 167, 255, .14);--btn-bg: #e8c48b;--btn-ink: #24180d;--shadow: 0 24px 70px rgba(0, 0, 0, .35);--serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;--sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--ease: cubic-bezier(.2, .7, .2, 1)}.theme-sunset{--accent: #f09aa6;--accent-2: #f6c48b;--glow: rgba(240, 154, 166, .3)}.theme-midnight{--bg: #0a1220;--bg-deep: #060b14;--panel: #111c2f;--panel-2: #16243b;--text: #f3f7ff;--muted: #9fb1c9;--line: rgba(226, 239, 255, .12);--line-strong: rgba(226, 239, 255, .24);--gold: #e8c48b;--accent: #83c7ff;--accent-2: #b6a4ff;--accent-ink: #0d1a2b;--glow: rgba(131, 199, 255, .28);--glow-2: rgba(182, 164, 255, .16);--btn-bg: #e8c48b;--btn-ink: #101827}.theme-blush{--bg: #fff5f1;--bg-deep: #ffe9e2;--panel: #fffaf7;--panel-2: #ffffff;--text: #2b1720;--muted: #7e6069;--line: rgba(43, 23, 32, .12);--line-strong: rgba(43, 23, 32, .22);--gold: #b97742;--pink: #b84b5e;--accent: #b84b5e;--accent-2: #b98b4e;--accent-ink: #ffffff;--glow: rgba(217, 107, 124, .2);--glow-2: rgba(185, 139, 78, .12);--btn-bg: #2b1720;--btn-ink: #ffffff;--shadow: 0 24px 70px rgba(89, 45, 54, .16)}.theme-mint{--bg: #f2fbf7;--bg-deep: #e2f6ec;--panel: #fafffc;--panel-2: #ffffff;--text: #14251f;--muted: #5c756d;--line: rgba(20, 37, 31, .12);--line-strong: rgba(20, 37, 31, .22);--gold: #9b7a35;--pink: #2f8a68;--accent: #2f8a68;--accent-2: #9b7a35;--accent-ink: #ffffff;--glow: rgba(47, 138, 104, .18);--glow-2: rgba(155, 122, 53, .12);--btn-bg: #17332a;--btn-ink: #f4fff9;--shadow: 0 24px 70px rgba(40, 87, 69, .14)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.5;overflow-x:hidden;-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;background:radial-gradient(55% 45% at 88% -8%,var(--glow),transparent 68%),radial-gradient(42% 38% at -8% 32%,var(--glow-2),transparent 70%),linear-gradient(180deg,transparent 0%,rgba(0,0,0,.12) 100%)}body.lightbox-open{overflow:hidden}button{cursor:pointer;font:inherit;border:none;background:transparent;color:inherit}button:focus-visible,a:focus-visible{outline:2px solid var(--gold);outline-offset:3px}.hidden,[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.app-shell{width:min(100% - 32px,860px);margin:0 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#ffffff0a}#particleCanvas{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;pointer-events:none}.scene{position:relative;z-index:2;display:flex;flex:1;flex-direction:column;align-items:center;justify-content:center;width:100%;min-width:0;min-height:600px;padding:56px 34px;text-align:center;animation:sceneIn .55s var(--ease) both}.scene-kicker{margin:0 0 12px;color:var(--gold);font-size:10px;font-weight:700;letter-spacing:.2em;text-transform:uppercase}h2{max-width:22ch;margin:0 0 16px;font-family:var(--serif);font-size:clamp(30px,4.2vw,42px);font-weight:600;line-height:1.08;letter-spacing:-.02em}.mascot{position:relative;display:grid;place-items:center;width:126px;height:126px;margin-bottom:26px;border:1px solid var(--line-strong);border-radius:50%;background:radial-gradient(circle at 35% 30%,rgba(255,255,255,.18),transparent 55%),linear-gradient(145deg,var(--panel-2),var(--panel));box-shadow:0 20px 50px #00000040,0 0 0 10px #ffffff05;font-size:64px;animation:floaty 5s ease-in-out infinite}.mascot:after{content:"✦";position:absolute;top:10px;right:4px;color:var(--gold);font-size:18px;animation:twinkle 2.8s ease-in-out infinite}.invitation-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:160px;padding:14px 26px;border-radius:999px;background:var(--btn-bg);color:var(--btn-ink);font-size:14px;font-weight:700;box-shadow:0 10px 28px #0003;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}.primary-button:hover{transform:translateY(-2px);box-shadow:0 16px 34px #00000047}.primary-button:active{transform:translateY(0) scale(.99)}.text-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:14px;transition:color .2s,border-color 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var(--glow)}.gift-step.pending{opacity:.55}.gift-orb{position:relative;width:112px;height:104px;margin:0 auto 18px;border:1px solid rgba(255,255,255,.35);border-radius:18px;background:linear-gradient(145deg,var(--gold-bright),#d9a963);box-shadow:0 18px 40px #00000047,0 0 0 10px var(--glow);cursor:pointer;animation:giftGlow 3.2s ease-in-out infinite;transition:transform .2s var(--ease),box-shadow .3s var(--ease)}.gift-orb:before{content:"";position:absolute;top:0;bottom:0;left:50%;width:18px;transform:translate(-50%);background:linear-gradient(180deg,#fff9,#ffffff1f);border-right:1px solid rgba(70,40,10,.08);border-left:1px solid rgba(70,40,10,.08)}.gift-orb:after{content:"";position:absolute;top:44%;left:0;right:0;height:14px;background:linear-gradient(180deg,#fff9,#ffffff1f);border-top:1px solid rgba(70,40,10,.08);border-bottom:1px solid rgba(70,40,10,.08)}.orb-core{font-size:0}.gift-orb:hover{transform:translateY(-3px) 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var(--line-strong);border-radius:12px;color:var(--muted);font-size:13px}.gift-content audio,.gift-content video{width:100%;margin-top:8px;border-radius:12px}.memories-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:18px;width:100%;min-width:0;max-width:600px;margin:0 auto 24px}.memory-card{display:flex;flex-direction:column;gap:8px;padding:8px 8px 12px;border:0;border-radius:4px;background:var(--paper);color:var(--ink);box-shadow:0 14px 30px #00000040;font:inherit;text-align:center;transform:rotate(var(--tilt, 0deg));transition:transform .25s var(--ease),box-shadow .25s var(--ease)}.memory-card:hover{transform:rotate(0) translateY(-3px);box-shadow:0 20px 38px #0000004d}.memory-card:disabled{cursor:default}.memory-card:disabled:hover{transform:rotate(var(--tilt, 0deg));box-shadow:0 14px 30px #00000040}.memory-image{width:100%;aspect-ratio:1;border-radius:2px;background:#e8dccd;object-fit:cover}.memory-fallback{display:grid;place-items:center;width:100%;aspect-ratio:1;border-radius:2px;background:linear-gradient(145deg,#f2e4d3,#e2cfb9);font-size:38px}.memory-caption{min-height:2.2em;padding:0 4px;color:#5b3a43;font-size:12px;line-height:1.4}.empty-state{display:grid;justify-items:center;gap:12px;max-width:420px;margin:0 auto 24px;padding:36px 24px;border:1px dashed var(--line-strong);border-radius:18px;color:var(--muted);font-size:14px}.empty-state:before{content:"📷";font-size:44px}.letter-card{position:relative;width:min(100%,540px);margin:0 auto 24px;padding:40px 34px 32px;border-radius:6px;background:var(--paper);color:var(--ink);box-shadow:0 24px 60px #0000004d;text-align:left;transform:rotate(-.4deg)}.letter-card:before{content:"A LETTER FOR YOU";display:block;margin-bottom:18px;color:#a47845;font-family:var(--sans);font-size:9px;font-weight:700;letter-spacing:.22em}.letter-card:after{content:"♥";position:absolute;top:18px;right:20px;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:linear-gradient(145deg,#d8a15c,#b87b3e);color:#fff8ee;font-size:15px;box-shadow:0 4px 12px #0000002e}.letter-body{margin:0 0 24px;color:#3a2229;font-family:var(--serif);font-size:19px;line-height:1.8;white-space:pre-wrap}.letter-signoff{margin:0 0 4px;color:#8a5a36;font-family:var(--serif);font-size:18px;font-style:italic;text-align:right}.letter-sender{margin:0;color:#6a4b50;font-size:14px;text-align:right}.finale-illustration{position:relative;display:grid;place-items:center;width:150px;height:150px;margin:0 auto 18px;border-radius:50%;background:radial-gradient(circle,var(--glow),transparent 65%);font-size:76px}.finale-illustration:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border:1px 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#app{visibility:hidden}.gift-gate{min-height:100dvh;display:grid;place-items:center;padding:24px}.gift-gate-card{max-width:34rem;text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:40px 28px;box-shadow:var(--shadow)}.gift-gate-mark{margin:0 0 8px;font-size:2.5rem}.gift-gate-card h1{margin:0 0 12px;font-family:var(--serif);font-size:clamp(1.6rem,5vw,2.2rem)}.gift-gate-card p{margin:0 0 24px;color:var(--muted);line-height:1.6}.gift-gate-card .primary-button{margin:0 auto}