:root{--font-display:"Fraunces",Georgia,"Times New Roman",serif;--font-body:"Nunito",system-ui,sans-serif;--bg:#fff0f5;--bg-mid:#ffe6ef;--bg-finale:#2d0010;--text:#4a001f;--text-soft:#7a2948;--accent:#c41e3a;--accent-deep:#7a1024;--card:#ffffff;--shadow:0 12px 32px rgba(74,0,31,0.1);--radius:18px;--content-max:28rem;--shell-pad-x:clamp(0.75rem,3vw,1.75rem);--shell-pad-y:clamp(0.65rem,2vh,1.25rem);--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);--safe-right:env(safe-area-inset-right,0px);--ease-out:cubic-bezier(0.16,1,0.3,1)}*{box-sizing:border-box;margin:0;padding:0}body,html{min-height:100%;max-width:100vw;overflow-x:hidden}body{font-family:var(--font-body);color:var(--text);background:radial-gradient(120% 80% at 12% 0,#ffe4ec 0,transparent 55%),radial-gradient(90% 70% at 100% 100%,#ffd6e3 0,transparent 50%),var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font:inherit;cursor:pointer;border:none;background:none}button:disabled{opacity:.55;cursor:not-allowed}.app-shell{position:relative;isolation:isolate;min-height:100dvh;min-height:100vh;color:var(--text);overflow:hidden;padding:calc(var(--shell-pad-y) + var(--safe-top)) calc(var(--shell-pad-x) + var(--safe-right)) calc(var(--shell-pad-y) + var(--safe-bottom)) calc(var(--shell-pad-x) + var(--safe-left))}.app-shell.finale-theme{background:radial-gradient(80% 60% at 50% 20%,#4a1028 0,var(--bg-finale) 70%);color:#ffe4ec}.app-shell.finale-theme body,.finale-theme{color:#ffe4ec}.ambient-canvas,.ambient-fallback{position:fixed;inset:0;z-index:0;pointer-events:none}.ambient-fallback{background-image:radial-gradient(circle at 18% 22%,rgba(255,143,171,.22) 0 2px,transparent 3px),radial-gradient(circle at 78% 30%,rgba(255,209,102,.2) 0 2px,transparent 3px),radial-gradient(circle at 40% 70%,rgba(196,30,58,.12) 0 2px,transparent 3px),radial-gradient(circle at 88% 78%,rgba(255,180,196,.2) 0 2px,transparent 3px)}.shell-frame{position:relative;z-index:2;width:min(100%,var(--content-max));margin-inline:auto;display:flex;flex-direction:column;min-height:calc(100dvh - var(--shell-pad-y) * 2 - var(--safe-top) - var(--safe-bottom))}.floral-corners{pointer-events:none;position:fixed;inset:0;z-index:1}.floral{position:absolute;opacity:.8;width:clamp(96px,18vw,160px);height:auto}.floral-tl{top:0;left:0}.floral-br{right:0;bottom:0}.top-bar{position:relative;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:.75rem;width:100%;margin-bottom:clamp(.5rem,1.5vh,1rem)}.stepper{list-style:none;display:flex;flex-wrap:wrap;gap:.35rem;padding:.4rem .65rem;border-radius:999px;background:rgba(255,255,255,.72);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.55);box-shadow:inset 0 1px 0 rgba(255,255,255,.55),var(--shadow)}.finale-theme .stepper{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.12)}.step-dot{display:inline-flex;align-items:center;justify-content:center;min-width:1.7rem;height:1.7rem;padding:0 .35rem;border-radius:999px;font-size:.68rem;font-weight:700;letter-spacing:.02em;color:var(--text-soft);transition:background .24s var(--ease-out),color .24s var(--ease-out),transform .24s var(--ease-out)}.step-dot-active{background:var(--accent);color:#fff;transform:scale(1.08);box-shadow:0 0 0 2px rgba(196,30,58,.18)}.music-toggle{width:2.65rem;height:2.65rem;border-radius:50%;background:rgba(255,255,255,.82);box-shadow:inset 0 1px 0 rgba(255,255,255,.65),var(--shadow);color:var(--accent);font-size:1.05rem;display:grid;place-items:center;flex-shrink:0;transition:transform .18s var(--ease-out),background .18s var(--ease-out)}.music-toggle:hover{transform:scale(1.04)}.music-toggle:active{transform:scale(.96)}.music-toggle.music-on{background:var(--accent);color:#fff}.finale-theme .music-toggle{background:rgba(255,255,255,.12);color:#ffe4ec}.stage{position:relative;z-index:2;width:100%;flex:1 1;display:flex;flex-direction:column;min-height:0}.stage-exit{animation:stage-out .26s var(--ease-out) forwards}.stage-enter{animation:stage-in .38s var(--ease-out)}@keyframes stage-out{to{opacity:0;transform:translate3d(0,14px,0) scale(.985)}}@keyframes stage-in{0%{opacity:0;transform:translate3d(0,18px,0) scale(.985)}to{opacity:1;transform:translateZ(0) scale(1)}}.screen{display:flex;flex-direction:column;align-items:center;text-align:center;gap:clamp(.65rem,1.6vh,1rem);padding:.35rem .15rem 1.25rem;flex:1 1;width:100%;min-height:0}.hero-illustration{margin-top:.25rem;width:clamp(88px,22vw,120px);height:auto;animation:float-soft 4.8s ease-in-out infinite}.hero-illustration.small{width:clamp(72px,18vw,96px)}@keyframes float-soft{0%,to{transform:translateZ(0)}50%{transform:translate3d(0,-6px,0)}}.welcome-screen .welcome-gifts{width:min(280px,78vw);height:auto;margin:.15rem auto;flex:1 1 auto;max-height:min(200px,28vh);align-self:center;filter:drop-shadow(0 12px 20px rgba(196,30,58,.12));pointer-events:none;animation:gift-settle .7s var(--ease-out) both}@keyframes gift-settle{0%{opacity:0;transform:translate3d(0,16px,0) scale(.94)}to{opacity:1;transform:translateZ(0) scale(1)}}.eyebrow{font-size:clamp(.68rem,2.2vw,.75rem);letter-spacing:.14em;text-transform:uppercase;color:var(--text-soft);font-weight:700}.screen-title{font-family:var(--font-display);font-size:clamp(1.45rem,4.8vw,2.15rem);line-height:1.15;letter-spacing:-.02em;color:var(--accent-deep);max-width:18ch}.screen-title.small{font-size:clamp(1.1rem,3.5vw,1.3rem);max-width:22ch}.screen-body.light,.screen-title.light{color:#ffe4ec}.screen-body{font-size:clamp(.92rem,2.6vw,1.02rem);line-height:1.55;max-width:34ch;color:var(--text)}.screen-body.muted{color:var(--text-soft)}.primary-btn{margin-top:auto;min-height:3rem;min-width:min(100%,11.5rem);padding:.85rem 1.55rem;border-radius:999px;background:linear-gradient(180deg,#c41e3a,#8f1730);color:#fff;font-weight:700;box-shadow:0 12px 24px rgba(196,30,58,.26);transition:transform .18s var(--ease-out),box-shadow .18s var(--ease-out);position:relative;overflow:hidden}.primary-btn:after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 20%,rgba(255,255,255,.22) 45%,transparent 70%);transform:translateX(-120%);transition:transform .52s var(--ease-out)}.primary-btn:hover:not(:disabled):after{transform:translateX(120%)}.primary-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 16px 28px rgba(196,30,58,.3)}.primary-btn:active:not(:disabled){transform:translateY(1px) scale(.98)}.primary-btn-label{position:relative;z-index:1}.balloon:focus-visible,.envelope:focus-visible,.key-btn:focus-visible,.lightbox-close:focus-visible,.lightbox-nav:focus-visible,.memory-tile:focus-visible,.music-toggle:focus-visible,.primary-btn:focus-visible{outline:3px solid #ff8fab;outline-offset:3px}.replay-btn{background:#fff;color:var(--accent-deep);box-shadow:0 12px 28px rgba(0,0,0,.28)}.replay-btn:after{background:linear-gradient(120deg,transparent 20%,rgba(196,30,58,.12) 45%,transparent 70%)}.loader{position:relative;z-index:2;min-height:calc(100dvh - var(--shell-pad-y) * 2);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.1rem;text-align:center;padding:1.25rem;width:min(100%,var(--content-max));margin-inline:auto}@media (min-width:1100px){.app-shell.is-loading{display:block}.app-shell.is-loading .loader{min-height:calc(100dvh - var(--shell-pad-y) * 2 - var(--safe-top) - var(--safe-bottom))}}.loader-heart-wrap{position:relative;width:clamp(100px,28vw,128px);height:clamp(100px,28vw,128px);display:grid;place-items:center}.loader-ring{position:absolute;inset:0}.loader-heart{font-size:clamp(2rem,8vw,2.6rem);color:var(--accent);animation:heartbeat 1s ease-in-out infinite;transform-origin:center}@keyframes heartbeat{0%,to{transform:scale(1)}50%{transform:scale(1.12)}}.loader-copy{color:var(--text-soft);max-width:28ch;font-size:clamp(.92rem,2.8vw,1rem)}.loader-bar{width:min(260px,70vw);height:8px;border-radius:999px;background:rgba(196,30,58,.15);overflow:hidden}.loader-bar-fill{height:100%;background:linear-gradient(90deg,#ff6b8a,#c41e3a);border-radius:inherit;transition:width 80ms linear}.loader-percent{font-size:.8rem;color:var(--text-soft);font-weight:700}.calendar-card{width:100%;background:rgba(255,255,255,.92);border-radius:var(--radius);box-shadow:inset 0 1px 0 rgba(255,255,255,.8),var(--shadow);padding:clamp(.85rem,2.5vw,1.1rem);border:1px solid rgba(255,255,255,.7)}.calendar-month{font-family:var(--font-display),Georgia,serif;font-weight:700;margin-bottom:.65rem;color:var(--accent-deep)}.calendar-grid,.calendar-weekdays{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:clamp(.25rem,1.2vw,.4rem)}.calendar-weekdays{margin-bottom:.35rem;font-size:.72rem;font-weight:700;color:var(--text-soft)}.calendar-cell{position:relative;aspect-ratio:1;display:grid;place-items:center;border-radius:.75rem;font-weight:700;font-size:clamp(.75rem,2.4vw,.88rem)}.calendar-cell.empty{visibility:hidden}.calendar-cell.selected{background:var(--accent);color:#fff;animation:select-pop .42s var(--ease-out)}@keyframes select-pop{0%{transform:scale(.86)}70%{transform:scale(1.08)}to{transform:scale(1)}}.your-day-badge{position:absolute;top:-1.05rem;left:50%;transform:translateX(-50%);white-space:nowrap;font-size:.62rem;background:#fff;color:var(--accent);border-radius:999px;padding:.12rem .5rem;box-shadow:var(--shadow)}.date-display{font-family:var(--font-display),Georgia,serif;font-size:clamp(1.05rem,3.2vw,1.25rem);font-weight:700;color:var(--accent-deep)}.wish-list{list-style:none;width:100%;flex-direction:column}.wish-card,.wish-list{display:flex;gap:.65rem}.wish-card{align-items:flex-start;text-align:left;background:rgba(255,255,255,.92);border-radius:1rem;padding:.85rem 1rem;box-shadow:inset 0 1px 0 rgba(255,255,255,.75),var(--shadow);animation:card-in .48s var(--ease-out) both;border:1px solid rgba(255,255,255,.7)}@keyframes card-in{0%{opacity:0;transform:translate3d(0,14px,0)}to{opacity:1;transform:translateZ(0)}}.wish-heart{color:var(--accent);flex-shrink:0}.letter-screen{justify-content:flex-start;gap:clamp(.45rem,1.2vh,.75rem);overflow:visible}.letter-stage{position:relative;width:min(100%,26rem);margin:.25rem auto 0;flex:1 1 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:clamp(220px,42vh,320px)}.letter-stage-open{justify-content:flex-start;min-height:0;padding-top:.25rem}.envelope{width:100%;max-width:22rem;margin:0;perspective:900px;border:none;background:none;padding:0;cursor:pointer}.letter-stage-open .envelope{position:absolute;inset:auto 0 0;max-width:none;width:100%;height:3.75rem;z-index:1;pointer-events:none;opacity:.92}.envelope-body{position:relative;width:100%;height:clamp(200px,36vh,250px);border-radius:.9rem;background:linear-gradient(180deg,#b0152e,#7a1024);box-shadow:var(--shadow);overflow:hidden;display:grid;place-items:center;transform-style:preserve-3d}.letter-stage-open .envelope-body{height:100%;border-radius:0 0 .9rem .9rem}.envelope-flap{position:absolute;top:0;left:0;right:0;height:48%;background:linear-gradient(180deg,#d1223f,#9b1830);clip-path:polygon(0 0,100% 0,50% 100%);transform-origin:top center;transition:transform .7s var(--ease-out),opacity .4s ease;z-index:3}.envelope-open .flap-open{transform:rotateX(175deg);opacity:.35}.letter-stage-open .envelope-flap{display:none}.envelope-seal{width:3.25rem;height:3.25rem;border-radius:50%;background:radial-gradient(circle at 35% 35%,#ffe08a,#d4a017);color:#7a1024;display:grid;place-items:center;font-size:1.3rem;z-index:4;box-shadow:0 4px 12px rgba(0,0,0,.25);animation:seal-pulse 1.8s ease-in-out infinite}.envelope-pocket{position:absolute;inset:18% 8% 12%;border-radius:.4rem;background:rgba(255,255,255,.08)}@keyframes seal-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}.letter-paper{position:relative;z-index:4;width:100%;max-width:26rem;min-height:clamp(280px,48vh,420px);margin:0 auto 4.25rem;background:#fffdf8;border:1.5px dashed #d9c3a5;border-radius:.75rem;padding:clamp(1.35rem,4vw,1.85rem) clamp(1.2rem,4vw,1.6rem);overflow:visible;text-align:left;box-shadow:0 14px 32px rgba(74,0,31,.14);cursor:pointer;display:flex;flex-direction:column}.letter-paper.rising{animation:paper-rise .72s var(--ease-out) forwards}.letter-paper.risen{transform:translateY(0)}@keyframes paper-rise{0%{transform:translateY(3.5rem) scale(.96);opacity:.2}to{transform:translateY(0) scale(1);opacity:1}}.letter-text{margin:0;flex:1 1;white-space:pre-wrap;overflow-wrap:break-word;word-break:normal;font-family:var(--font-display),Georgia,serif;font-size:clamp(1.12rem,3.8vw,1.32rem);line-height:1.7;color:var(--text)}.caret{color:var(--accent);animation:blink .9s step-end infinite}@keyframes blink{50%{opacity:0}}.balloon-grid{width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(.5rem,2vw,.85rem)}.balloon-slot{min-height:clamp(100px,18vh,128px);justify-content:center}.balloon,.balloon-slot{display:flex;align-items:center}.balloon{position:relative;flex-direction:column;gap:0;animation:bob 2.8s ease-in-out infinite}@keyframes bob{0%,to{transform:translateZ(0)}50%{transform:translate3d(0,-8px,0)}}.balloon-shape{width:clamp(2.7rem,12vw,3.4rem);height:clamp(3.3rem,14vw,4.1rem);border-radius:50% 50% 48% 48%;background:radial-gradient(circle at 30% 28%,#ff7a93,#c41e3a 62%);box-shadow:inset -8px -10px 16px rgba(0,0,0,.18);position:relative;transition:transform .18s var(--ease-out),opacity .18s var(--ease-out)}.balloon-shape:after{content:"";position:absolute;bottom:-6px;left:50%;transform:translateX(-50%);border-left:5px solid transparent;border-right:5px solid transparent;border-top:8px solid #9b1830}.balloon-string{width:2px;height:1.6rem;background:rgba(74,0,31,.35);transition:opacity .16s ease}.balloon-burst{position:absolute;inset:20% 10% auto;width:100%;height:100%;pointer-events:none}.balloon-burst i{position:absolute;left:50%;top:40%;width:7px;height:7px;border-radius:2px;background:#ff8fab;opacity:0;transform:translate(-50%,-50%)}.balloon-popping .balloon-shape,.balloon-popping .balloon-string{opacity:0;transform:scale(.2)}.balloon-popping .balloon-burst i{animation:spark-out .28s var(--ease-out) forwards;animation-delay:calc(var(--spark) * 18ms)}.balloon-burst i:first-child{--dx:0px;--dy:-42px}.balloon-burst i:nth-child(2){--dx:30px;--dy:-30px}.balloon-burst i:nth-child(3){--dx:42px;--dy:0px}.balloon-burst i:nth-child(4){--dx:30px;--dy:30px}.balloon-burst i:nth-child(5){--dx:0px;--dy:42px}.balloon-burst i:nth-child(6){--dx:-30px;--dy:30px}.balloon-burst i:nth-child(7){--dx:-42px;--dy:0px}.balloon-burst i:nth-child(8){--dx:-30px;--dy:-30px}@keyframes spark-out{0%{opacity:1;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(calc(-50% + var(--dx)),calc(-50% + var(--dy))) scale(.2)}}.balloon-card{width:100%;min-height:clamp(96px,16vh,118px);background:rgba(255,255,255,.94);border-radius:.9rem;box-shadow:var(--shadow);padding:.7rem;display:grid;place-items:center;font-size:clamp(.75rem,2.3vw,.85rem);line-height:1.35;animation:card-in .3s var(--ease-out) both;animation-delay:calc(var(--index, 0) * 40ms)}.balloon-complete{display:flex;flex-direction:column;align-items:center;gap:.6rem;margin-top:.4rem;width:100%;animation:card-in .42s var(--ease-out) both}.memory-grid{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(.55rem,2vw,.85rem)}.memory-tile{background:rgba(255,255,255,.94);border-radius:1rem;overflow:hidden;box-shadow:var(--shadow);text-align:left;color:inherit;transition:transform .22s var(--ease-out),box-shadow .22s var(--ease-out);animation:card-in .48s var(--ease-out) both}.memory-tile:first-child{animation-delay:40ms}.memory-tile:nth-child(2){animation-delay:.1s}.memory-tile:nth-child(3){animation-delay:.16s}.memory-tile:nth-child(4){animation-delay:.22s}.memory-tile:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(74,0,31,.14)}.memory-tile:active{transform:scale(.98)}.memory-art{aspect-ratio:5/4;overflow:hidden}.memory-caption{padding:.65rem .75rem .8rem;font-size:clamp(.72rem,2.2vw,.82rem);line-height:1.35;font-weight:700;color:var(--accent-deep)}.lightbox{position:fixed;inset:0;z-index:40;display:grid;place-items:center;padding:clamp(.75rem,3vw,1.25rem)}.lightbox-backdrop{position:absolute;inset:0;background:rgba(20,0,10,.78);animation:fade-in .18s ease}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.lightbox-panel{position:relative;z-index:1;width:min(420px,92vw);background:#1a0010;border-radius:1.1rem;padding:1.1rem 1rem 1.2rem;box-shadow:0 20px 50px rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.08);animation:panel-in .28s var(--ease-out)}@keyframes panel-in{0%{opacity:0;transform:translate3d(0,12px,0) scale(.96)}to{opacity:1;transform:translateZ(0) scale(1)}}.lightbox-art{border-radius:.75rem;overflow:hidden;aspect-ratio:5/4}.lightbox-caption{margin-top:.75rem;color:#ffe4ec;font-weight:700;text-align:center}.lightbox-index{margin-top:.25rem;color:rgba(255,228,236,.7);font-size:.75rem;text-align:center}.lightbox-close{top:.5rem;right:.6rem;width:2.25rem;height:2.25rem;font-size:1.4rem;z-index:2}.lightbox-close,.lightbox-nav{position:absolute;border-radius:50%;color:#fff}.lightbox-nav{top:42%;width:2.5rem;height:2.5rem;background:rgba(255,255,255,.14);font-size:1.6rem;line-height:1;display:grid;place-items:center}.lightbox-nav.prev{left:.5rem}.lightbox-nav.next{right:.5rem}.constellation-stage{width:100%;height:clamp(220px,42vh,420px);border-radius:1.25rem;overflow:hidden;background:radial-gradient(circle at center,#ffe4ec 0,#fff0f5 65%,#ffd6e3 100%);box-shadow:inset 0 0 40px rgba(196,30,58,.08),var(--shadow);border:1px solid rgba(255,255,255,.55)}.constellation-canvas,.fireworks-canvas{width:100%;height:100%}.constellation-fallback{width:100%;height:100%;display:grid;place-items:center}.static-heart{font-size:clamp(4rem,18vw,6rem);color:var(--accent);filter:drop-shadow(0 0 18px rgba(255,77,109,.45))}.constellation-keys{flex-direction:column;align-items:center}.constellation-keys,.key-row{display:flex;gap:.35rem}.key-btn{width:2.5rem;height:2.5rem;border-radius:.65rem;background:rgba(255,255,255,.85);box-shadow:var(--shadow);color:var(--accent-deep);font-weight:700;transition:transform .16s var(--ease-out)}.key-btn:hover{transform:translateY(-1px)}.key-btn:active{transform:scale(.96)}.finale-screen{position:relative;min-height:calc(100dvh - 6rem);justify-content:center}.fireworks-canvas{position:absolute;inset:0;z-index:0}.finale-sparkles{position:absolute;inset:0;background-image:radial-gradient(circle at 20% 30%,rgba(255,255,255,.35) 0 2px,transparent 3px),radial-gradient(circle at 70% 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