:root{color:#ef8080;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#fffaf9}html{background:#fffaf9}body{background:#fffaf9;min-width:320px;margin:0}#root{min-height:100vh}a{color:inherit}:root{--pink:#ef8080;--pink-deep:#de686f;--pink-soft:#fff1f1;--paper:#ffffffe6;--paper-strong:#fffffff5;--ink:#d8656e;--shadow:0 24px 80px #ef80802e;--line:#ef808047;--handwriting:"Segoe Print", "Bradley Hand", "Marker Felt", "Comic Sans MS", cursive}*{box-sizing:border-box}button,input{font:inherit}.app-shell{background:radial-gradient(circle at 0 0,#ef80802e,#0000 32%),radial-gradient(circle at 100% 100%,#ef808038,#0000 28%),linear-gradient(#fffefe 0%,#fff6f7 100%);min-height:100vh;padding:32px 18px;position:relative;overflow:hidden}.app-shell:before{content:"";pointer-events:none;background-image:linear-gradient(#ef808008 1px,#0000 1px),linear-gradient(90deg,#ef808008 1px,#0000 1px);background-size:28px 28px;position:fixed;inset:0;-webkit-mask-image:radial-gradient(circle,#000 55%,#0000 100%);mask-image:radial-gradient(circle,#000 55%,#0000 100%)}.background-blobs{display:none}.blob{filter:blur(8px);opacity:.55;border-radius:999px;animation:12s ease-in-out infinite floatBlob;position:absolute}.blob-one{background:#ef808029;width:220px;height:220px;top:10%;left:-60px}.blob-two{background:#ef80801f;width:180px;height:180px;animation-delay:-4s;top:16%;right:6%}.blob-three{background:#ef808024;width:260px;height:260px;animation-delay:-7s;bottom:10%;right:-40px}.page{z-index:1;align-items:center;min-height:calc(100vh - 64px);display:grid;position:relative}.page-center{justify-items:center}.page-center .page-card{text-align:center}.page-center .page-body{margin-inline:auto}.page-card{width:min(1040px,100%);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:linear-gradient(#fffffff2,#fff8f8eb),repeating-linear-gradient(-6deg,#ef80800a 0 11px,#ffffff03 11px 22px);border:2px solid #ef80805c;border-radius:36px;margin:0 auto;padding:clamp(28px,5vw,56px);animation:.5s both pageIn;position:relative}.hero-card{text-align:center;padding-top:clamp(48px,7vw,72px)}.welcome-screen{place-items:center;gap:0;transform:translateY(-104px)}.welcome-envelope{aspect-ratio:1.18;cursor:pointer;perspective:1600px;background:0 0;border:0;width:min(620px,92vw);padding:0;transition:transform .18s;position:relative;overflow:visible}.welcome-envelope:hover{transform:translateY(-2px)}.welcome-envelope.is-shaking{animation:.56s cubic-bezier(.36,.07,.19,.97) envelopeShake}.welcome-envelope-shadow{filter:blur(20px);background:#ef808029;border-radius:999px;height:46px;position:absolute;bottom:8px;left:12%;right:12%}.welcome-envelope-back{width:100%;height:100%;display:block;position:absolute;inset:0}.welcome-envelope-back rect{fill:#fffafb;stroke:#ef808057;stroke-width:8px;stroke-linecap:round;stroke-linejoin:round}.welcome-envelope-flap{z-index:3;height:26%;position:absolute;top:42.2%;left:11.5%;right:11.5%}.welcome-envelope-flap svg{filter:drop-shadow(0 10px 14px #ef808014);width:100%;height:100%;display:block;overflow:visible}.welcome-envelope-flap path{fill:#fdecef;stroke:#ef80806b;stroke-width:8px;stroke-linecap:round;stroke-linejoin:round}.welcome-heading{width:min(82vw,420px);font-family:var(--handwriting);text-align:center;color:var(--ink);pointer-events:none;z-index:5;margin:0 0 -15rem;font-size:clamp(1.15rem,2.2vw,1.8rem);line-height:1.1;position:relative}.welcome-lock-badge{width:54px;height:54px;color:var(--pink-deep);z-index:6;background:#fffffff2;border:2px solid #ef808033;border-radius:999px;place-items:center;font-size:1.55rem;display:grid;position:absolute;top:33.5%;left:50%;transform:translate(-50%);box-shadow:0 12px 24px #ef808029}.theme-lock-icon{color:currentColor;width:22px;height:20px;display:inline-block;position:relative}.theme-lock-icon:before{content:"";border:2.5px solid;border-bottom:0;border-radius:999px 999px 0 0;width:12px;height:9px;position:absolute;top:0;left:50%;transform:translate(-50%)}.theme-lock-icon:after{content:"";background:currentColor;border-radius:4px;width:18px;height:13px;position:absolute;bottom:0;left:50%;transform:translate(-50%);box-shadow:inset 0 -2px #ffffff29}.theme-lock-icon-small{width:20px;height:18px}.theme-lock-icon-small:before{width:11px;height:8px}.theme-lock-icon-small:after{width:16px;height:12px}.welcome-lock-note{z-index:6;background:linear-gradient(#fffffff5,#fff6f7f0);border:2px solid #ef80803d;border-radius:24px;justify-items:center;gap:10px;width:min(86vw,420px);margin-top:-2rem;padding:18px 20px 20px;display:grid;position:relative;box-shadow:0 18px 34px #ef808024}.welcome-lock-icon{width:46px;height:46px;color:var(--pink-deep);background:#ef80801a;border-radius:999px;place-items:center;font-size:1.4rem;display:grid}.welcome-lock-note p{text-align:center;color:var(--ink);margin:0;font-size:clamp(1rem,2vw,1.08rem);line-height:1.3}.welcome-puzzle-button{padding:12px 24px;font-size:1.02rem}.final-mail-screen{place-items:center;gap:12px}.final-open-prompt{z-index:6;font-family:var(--handwriting);text-align:center;color:var(--ink);pointer-events:none;margin:0 0 -1.5rem;font-size:clamp(1.2rem,2.5vw,2rem);line-height:1.1;position:relative}.final-open-prompt span{color:var(--pink-deep)}.birthday-video-popup-backdrop{z-index:35;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);background:#fff7f870;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.birthday-video-popup{background:#fff;border:2px solid #ef80803d;border-radius:30px;width:fit-content;max-width:min(720px,94vw);padding:20px;animation:.24s popupIn;box-shadow:0 28px 48px #ef80802e}.birthday-video-popup-head{justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;display:flex}.birthday-video-popup-head h2{margin:0;font-size:clamp(1.5rem,3.6vw,2.2rem)}.birthday-video-close{width:42px;height:42px;color:var(--pink-deep);cursor:pointer;background:#fffffff5;border:1.5px solid #ef80803d;border-radius:999px;font-size:1.6rem;line-height:1;transition:transform .18s,box-shadow .18s,border-color .18s;box-shadow:0 10px 20px #ef808014}.birthday-video-close:hover{border-color:#ef808066;transform:translateY(-1px);box-shadow:0 14px 24px #ef80801f}.birthday-video-player{aspect-ratio:auto;background:0 0;border-radius:20px;width:auto;max-width:100%;height:auto;max-height:min(72vh,720px);margin:0 auto;display:block}.final-envelope{aspect-ratio:1.18;cursor:pointer;perspective:1600px;background:0 0;border:0;width:min(620px,92vw);padding:0;position:relative;overflow:visible}.final-envelope-shadow{filter:blur(20px);background:#ef808029;border-radius:999px;height:46px;position:absolute;bottom:8px;left:12%;right:12%}.final-envelope-back,.final-envelope-front{width:100%;height:100%;display:block;position:absolute;inset:0}.final-envelope-back{z-index:0}.final-envelope-back rect{fill:#fffafb;stroke:#ef808057;stroke-width:8px;stroke-linecap:round;stroke-linejoin:round}.final-envelope-note{z-index:1;opacity:0;background:#fff;border:3px solid #ef808033;height:49%;padding:20px 18px 22px;transition:opacity .26s,transform .85s cubic-bezier(.2,.82,.22,1),box-shadow .32s;position:absolute;top:18%;left:20%;right:20%;transform:translateY(26%);box-shadow:0 16px 28px #ef808024,inset 0 1px #fffffff0}.final-envelope-note-content{text-align:center;height:100%;font-family:var(--handwriting);color:var(--ink);align-content:center;justify-items:center;gap:10px;display:grid}.final-note-image{object-fit:contain;width:min(100%,160px);height:auto;margin:0 auto;display:block}.mail-note-kicker,.mail-note-signoff{margin:0;font-size:clamp(1rem,2.1vw,1.3rem)}.mail-note-kicker{text-align:left;justify-self:start;width:100%}.mail-note-signoff{text-align:right;justify-self:end;width:100%;padding-right:12px}.final-envelope-front{z-index:2;opacity:0;transition:opacity .22s}.final-envelope-front .front-left,.final-envelope-front .front-right{fill:#fff3f5}.final-envelope-front .front-bottom{fill:snow}.final-envelope-front .front-outline{fill:none;stroke:#ef808066;stroke-width:8px;stroke-linecap:round;stroke-linejoin:round}.final-envelope-flap{z-index:3;transform-origin:50% 0;height:26%;transform-style:preserve-3d;transition:transform .85s cubic-bezier(.2,.82,.22,1),filter .3s;position:absolute;top:42.2%;left:11.5%;right:11.5%}.final-envelope-flap svg{filter:drop-shadow(0 10px 14px #ef808014);width:100%;height:100%;display:block;overflow:visible}.final-envelope-flap path{fill:#fdecef;stroke:#ef80806b;stroke-width:8px;stroke-linecap:round;stroke-linejoin:round}.final-seal{aspect-ratio:1;z-index:4;width:86px;transition:opacity .2s,transform .3s;top:50.5%;transform:translate(-50%)}.final-envelope.is-open .final-envelope-flap{transform:rotateX(180deg)}.final-envelope.is-open .final-envelope-front{opacity:1}.final-envelope.is-open .final-envelope-note{z-index:5;opacity:1;transform:translateY(-1%)}.final-envelope.is-open .final-seal{opacity:0;transform:translate(-50%)translateY(-12px)scale(.88)}.wax-seal{background:radial-gradient(circle at 34% 28%,#ffd7dc 0%,#f4a6b0 24%,#e98997 52%,#dc7383 82%,#ce6273 100%);border-radius:999px;place-items:center;display:grid;position:absolute;left:50%;box-shadow:0 16px 24px #ef80803d,inset 0 2px 4px #ffffff47,inset 0 -8px 12px #7e29352e}.wax-seal:before{content:"";border:1px solid #ffeef070;border-radius:999px;position:absolute;inset:10px;box-shadow:inset 0 0 0 1px #ba45521f}.welcome-seal{aspect-ratio:1;z-index:4;width:70px;transition:transform .18s,box-shadow .18s;top:50.5%;transform:translate(-50%)}.welcome-envelope:hover .welcome-seal{transform:translate(-50%)translateY(-2px)scale(1.03);box-shadow:0 20px 28px #ef808047,inset 0 2px 4px #ffffff47,inset 0 -8px 12px #7e29352e}.seal-heart{z-index:1;color:#fff4f6eb;text-shadow:0 1px #a037423d;font-size:2rem;line-height:1;animation:1.5s ease-in-out infinite sealPulse;position:relative}.heart-badge{background:var(--pink);color:#fff;border-radius:999px;place-items:center;width:58px;height:58px;font-size:1.35rem;display:grid;position:absolute;top:24px;right:24px;box-shadow:0 12px 28px #ef808047}.progress-marks{justify-content:center;gap:10px;margin-bottom:22px;display:flex}.progress-mark{background:#ef808029;border-radius:999px;width:32px;height:8px;transition:transform .18s,background .18s}.progress-mark.active,.progress-mark.complete{background:var(--pink)}.progress-mark.active{transform:scaleX(1.2)}.overline{text-transform:lowercase;letter-spacing:.08em;color:#de686fc7;margin:0;font-size:1rem}.puzzle-kicker{letter-spacing:.01em;text-transform:none;max-width:720px;margin-top:10px;font-size:clamp(1.45rem,3vw,2.2rem);line-height:1.14}h1,h2,p,input,button{font-family:var(--handwriting);color:var(--ink)}h1,h2{margin:0;font-weight:400;line-height:.98}h1{margin-top:14px;font-size:clamp(2.1rem,5.2vw,4.2rem)}h2{font-size:clamp(1.9rem,4.4vw,3.1rem)}.hero-title{white-space:nowrap;margin-bottom:28px;font-size:clamp(1.9rem,4.7vw,3.8rem)}.inline-heart{color:var(--pink)}.page-body{max-width:700px;margin:18px 0 0;font-size:clamp(1.08rem,2vw,1.45rem);line-height:1.16}.hero-body{margin-inline:auto}.intro-stack{justify-items:center;gap:22px;margin-top:34px;display:grid}.mini-note{background:#ffffffb3;border:2px dashed #ef80806b;border-radius:26px;width:min(460px,100%);padding:22px 24px;transform:rotate(-1deg)}.mini-note-title{color:var(--pink-deep);margin-bottom:8px;font-size:1.2rem;display:block}.mini-note p{margin:0;font-size:1.15rem}.primary-button{background:linear-gradient(180deg, var(--pink) 0%, var(--pink-deep) 100%);color:#fff;cursor:pointer;border:0;border-radius:999px;padding:14px 28px;font-size:1.18rem;transition:transform .18s,box-shadow .18s,filter .18s;box-shadow:0 18px 32px #ef808042}.primary-button:hover{filter:saturate(1.05);transform:translateY(-2px)rotate(-1deg);box-shadow:0 22px 36px #ef80804d}.primary-button:active{transform:translateY(1px)}.puzzle-card{overflow:hidden}.puzzle-body{max-width:620px}.puzzle-layout{--board-cell-size:min(calc((100vw - 88px) / 12), 46px);grid-template-columns:minmax(0,1.02fr) 340px;align-items:start;gap:30px;margin-top:30px;display:grid}.board-panel{min-width:0}.board-shell{padding:6px 0 14px}.crossword-board{--cell-size:var(--board-cell-size);grid-auto-rows:var(--cell-size);gap:2px;width:100%;max-width:600px;margin-inline:auto;display:grid}.blocked-cell{width:var(--cell-size);height:var(--cell-size);background:0 0}.board-cell{width:var(--cell-size);height:var(--cell-size);cursor:text;background:#fff;border:1.5px solid #ef808073;border-radius:4px;transition:background .16s,box-shadow .16s;display:block;position:relative}.board-cell.active-word{background:#fff6f7}.board-cell.correct,.board-cell.locked{background:#fff1f1}.board-cell.current{z-index:1;box-shadow:inset 0 0 0 2px var(--pink)}.board-cell input{text-align:center;text-transform:uppercase;width:100%;height:100%;color:var(--pink);background:0 0;border:0;outline:none;padding:8px 6px 4px;font-size:clamp(1rem,2vw,1.45rem)}.cell-number{color:#de686fe0;pointer-events:none;font-size:.58rem;line-height:1;position:absolute;top:3px;left:4px}.clue-stack{max-height:calc((var(--board-cell-size) * 13) + 6px);align-content:start;justify-items:center;gap:16px;padding-right:8px;display:grid;overflow-y:auto}.clue-stack::-webkit-scrollbar{width:10px}.clue-stack::-webkit-scrollbar-track{background:#ef808014;border-radius:999px}.clue-stack::-webkit-scrollbar-thumb{background:#ef80805c;border-radius:999px}.clue-card{text-align:left;cursor:pointer;background:#fff;border:1px solid #ef80802e;border-radius:2px;grid-template-columns:1fr;align-items:start;gap:12px;width:min(100%,292px);padding:14px 14px 22px;transition:transform .18s,border-color .18s,box-shadow .18s;display:grid;box-shadow:0 14px 24px #ef808014,0 1px #fffffff2}.clue-card:hover{border-color:#ef808059;transform:translateY(-1px)rotate(-.4deg);box-shadow:0 14px 30px #ef80801f}.clue-card.selected{border-color:#ef80808f;box-shadow:0 16px 30px #ef808029}.clue-card.solved{opacity:.72;background:#fffafb;border-color:#ef808080}.clue-photo{width:100%;min-height:0;display:block}.clue-media{aspect-ratio:1;object-fit:contain;background:#fff7f7;border:1px solid #ef808014;border-radius:1px;width:100%;height:auto;display:block}.clue-copy{gap:8px;padding:2px 8px 0;display:grid}.clue-meta{color:#de686fc2;justify-content:space-between;gap:12px;font-size:.92rem;display:flex}.clue-text{margin:0;font-size:1rem;line-height:1.2}.solve-panel{text-align:center;background:#ffffffb3;border:2px dashed #ef80804d;border-radius:26px;margin-top:26px;padding:20px 24px}.solve-panel p{margin:0;font-size:1.18rem}.solve-panel.solved{background:linear-gradient(#fffffffa,#fff3f3f0);border-style:solid}.solve-panel .primary-button{margin-top:14px}.solved-popup-backdrop{z-index:30;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#fff8f961;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.solved-popup{text-align:center;background:linear-gradient(#fffffffa,#fff5f6f5);border:2px solid #ef808047;border-radius:30px;width:min(460px,92vw);padding:28px 28px 30px;animation:.24s popupIn;box-shadow:0 28px 48px #ef808038}.solved-popup-kicker{letter-spacing:.04em;color:#de686fc7;margin:0 0 8px;font-size:1rem}.solved-popup h2{margin:0;font-size:clamp(2rem,4.6vw,3rem)}.solved-popup-copy{color:var(--ink);margin:10px 0 0;font-size:1.08rem;line-height:1.3}.solved-popup-actions{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:20px;display:flex}.solved-popup-close{color:var(--pink-deep);cursor:pointer;background:#ffffffeb;border:1.5px solid #ef808047;border-radius:999px;padding:12px 22px;transition:transform .18s,box-shadow .18s,border-color .18s;box-shadow:0 10px 20px #ef808014}.solved-popup-close:hover{border-color:#ef80806b;transform:translateY(-1px);box-shadow:0 14px 24px #ef80801f}.solved-inline-cta{z-index:20;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffffff0;border:2px solid #ef80803d;border-radius:999px;justify-content:space-between;align-items:center;gap:14px;width:min(540px,100vw - 28px);padding:16px 18px;animation:.22s popupIn;display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 20px 38px #ef808029}.solved-inline-cta p{color:var(--ink);margin:0;font-size:1rem;line-height:1.2}.solved-inline-cta .primary-button{flex-shrink:0;padding:12px 20px;font-size:1rem;box-shadow:0 14px 26px #ef80802e}.envelope-scene{justify-items:center;gap:18px;min-height:450px;margin-top:28px;display:grid;position:relative}.envelope{cursor:pointer;perspective:1200px;background:0 0;border:0;width:min(470px,90vw);height:300px;padding:0;position:relative}.envelope-shadow{filter:blur(16px);background:#ef808038;border-radius:999px;height:38px;position:absolute;bottom:-2px;left:10%;right:10%}.envelope-back,.envelope-front{border-radius:24px;width:100%;margin-inline:auto;position:absolute;inset-inline:0}.envelope-back{background:linear-gradient(#fffffffa,#ffe8eaf5),linear-gradient(135deg,#ef808014,#0000 45%);border:2px solid #ef808057;height:220px;inset-block-end:0;box-shadow:inset 0 1px #fffffff2,inset 0 -10px 18px #ef808014}.envelope-front{background:linear-gradient(140deg,#0000 49.6%,#ef80804d 50%,#0000 50.4%),linear-gradient(220deg,#0000 49.6%,#ef808038 50%,#0000 50.4%),linear-gradient(#fffffff5,#ffe9ebfa);border:2px solid #ef808057;height:220px;inset-block-end:0;box-shadow:inset 0 1px #fffffffa,0 18px 32px #ef808024}.envelope-front:before,.envelope-front:after{content:"";pointer-events:none;background:linear-gradient(#ffffff2e,#ef80800f);width:50%;height:78%;position:absolute;inset-block-end:0}.envelope-front:before{clip-path:polygon(0 100%,100% 100%,100% 22%,50% 0,0 22%);border-right:1px solid #ef808033;left:0}.envelope-front:after{clip-path:polygon(0 22%,50% 0,100% 22%,100% 100%,0 100%);border-left:1px solid #ef808024;right:0}.envelope-letter{color:#de686fbf;text-align:center;background:linear-gradient(#fff 0%,#fff8f8 100%),repeating-linear-gradient(0deg,#0000 0 26px,#ef808014 26px 27px);border:2px solid #ef80803d;border-radius:18px;height:198px;padding-top:20px;font-size:1.22rem;transition:transform .5s;position:absolute;bottom:36px;left:8%;right:8%;box-shadow:inset 0 1px #fffffff2,0 10px 24px #ef808014}.envelope-flap{inset-inline:0;transform-origin:top;filter:drop-shadow(0 10px 12px #ef808029);border-top:150px solid #f0a0a4;border-left:min(235px,45vw) solid #0000;border-right:min(235px,45vw) solid #0000;width:0;height:0;margin-inline:auto;transition:transform .7s;position:absolute;top:18px}.envelope-flap:before{content:"";clip-path:polygon(50% 100%,0 0,100% 0);background:linear-gradient(#ffffff3d,#0000 70%),linear-gradient(135deg,#ffffff40,#ef808005);width:464px;height:148px;position:absolute;top:-149px;left:-232px}.envelope.open .envelope-flap{transform:rotateX(178deg)}.envelope.open .envelope-letter{transform:translateY(-108px)}.note-card{background:var(--paper-strong);opacity:0;border:2px solid #ef80804d;border-radius:28px;width:min(520px,92vw);padding:28px 30px 30px;transition:opacity .36s,transform .36s;transform:translateY(20px)rotate(-2deg);box-shadow:0 20px 40px #ef808029}.note-card.visible{opacity:1;transform:translateY(0)rotate(-2deg)}.note-kicker,.note-signoff{margin:0;font-size:1.12rem}.note-card h2{margin:8px 0 12px;font-size:clamp(2.4rem,5.4vw,3.9rem)}.confetti-burst{pointer-events:none;opacity:0;z-index:40;transition:opacity .22s;position:fixed;inset:0;overflow:hidden}.confetti-burst.active{opacity:1}.confetti-piece{opacity:0;transform-origin:50%;will-change:transform, opacity;position:absolute;top:-16%}.confetti-burst.active .confetti-piece{animation-name:confettiFall;animation-timing-function:cubic-bezier(.2,.75,.25,1);animation-iteration-count:infinite}.tone-0{background:var(--pink)}.tone-1{background:#ffd6de}.tone-2{background:#fff;border:1px solid #ef808047}.tone-3{background:#f7a9b2}.shape-strip{border-radius:999px;width:10px;height:30px;box-shadow:inset -1px 0 #ffffff52}.shape-rect{border-radius:2px;width:14px;height:20px;box-shadow:inset 0 1px #ffffff4d}.shape-dot{border-radius:999px;width:13px;height:13px}.size-small{transform:scale(1)}.size-medium{transform:scale(1.22)}.size-large{transform:scale(1.56)}.size-xlarge{transform:scale(1.95)}.stream-0{filter:drop-shadow(0 2px 3px #ef80801f)}.stream-1{filter:drop-shadow(0 3px 4px #ef808024)}.stream-2{filter:drop-shadow(0 2px 4px #ef80801a)}.stream-3{filter:drop-shadow(0 4px 5px #ef80801f)}@keyframes pageIn{0%{opacity:0;transform:translateY(18px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes floatBlob{0%,to{transform:translate(0,0)}50%{transform:translateY(-20px)}}@keyframes popupIn{0%{opacity:0;transform:translateY(14px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes sealPulse{0%,to{opacity:.92;transform:scale(1)}50%{opacity:1;transform:scale(1.18)}}@keyframes confettiFall{0%{opacity:0;transform:translate3d(0, -10vh, 0) rotate(var(--spin)) rotateX(0deg)}8%{opacity:1}28%{transform:translate3d(calc(var(--drift) * .28), 28vh, 0) rotate(calc(var(--spin) + 120deg)) translateX(var(--sway))}55%{transform:translate3d(calc(var(--drift) * .62), 60vh, 0) rotate(calc(var(--spin) + 260deg)) translateX(calc(var(--sway) * -.65))}to{opacity:0;transform:translate3d(var(--drift), 112vh, 0) rotate(calc(var(--spin) + 430deg)) translateX(calc(var(--sway) * .45))}}@media (width<=900px){.app-shell{padding-inline:14px}.page{min-height:calc(100vh - 40px)}.puzzle-layout{--board-cell-size:min(calc((100vw - 52px) / 12), 44px);grid-template-columns:1fr}.crossword-board{margin-inline:auto}.clue-stack{max-height:none;padding-right:0;overflow-y:visible}}@media (width<=640px){.page-card{border-radius:28px;padding:24px 18px}.hero-envelope{min-height:500px;padding-bottom:150px}.welcome-envelope{width:min(94vw,520px)}.welcome-screen{transform:translateY(-64px)}.welcome-heading{width:min(82vw,260px);margin-bottom:-10rem;font-size:clamp(.95rem,3.6vw,1.35rem)}.welcome-lock-badge{width:46px;height:46px;font-size:1.3rem;top:34.5%}.welcome-lock-note{width:min(90vw,320px);margin-top:-1.5rem;padding:16px 16px 18px}.welcome-lock-note p{font-size:.96rem}.welcome-seal{width:60px;top:50%}.final-envelope{width:min(94vw,520px)}.final-envelope-note{height:50%;padding:16px 12px 18px;top:19%;left:18%;right:18%}.final-seal{width:74px;top:50%}.heart-badge{width:48px;height:48px;top:16px;right:16px}.progress-mark{width:24px}.page-body,.clue-text,.solve-panel p{font-size:1.02rem}.crossword-board{--cell-size:min(calc((100vw - 44px) / 12), 32px)}.clue-card{width:min(100%,300px);padding:14px}.solved-popup{width:min(92vw,340px);padding:24px 20px}.solved-popup-actions{gap:10px}.solved-popup-close,.solved-popup .primary-button{width:100%}.birthday-video-popup{border-radius:24px;width:fit-content;max-width:min(94vw,360px);padding:16px}.birthday-video-popup-head{margin-bottom:12px}.birthday-video-close{width:38px;height:38px;font-size:1.4rem}.solved-inline-cta{text-align:center;border-radius:28px;flex-direction:column;align-items:stretch;width:min(92vw,340px);padding:16px;bottom:18px}.solved-inline-cta .primary-button{width:100%}.clue-photo{min-height:0}.clue-media{aspect-ratio:1;height:auto}.envelope{height:250px}.envelope-back,.envelope-front{height:186px}.envelope-flap{border-top-width:126px;border-left-width:min(190px,44vw);border-right-width:min(190px,44vw)}.envelope-letter{height:162px;bottom:26px}.envelope.open .envelope-letter{transform:translateY(-82px)}.envelope-scene{min-height:360px}.note-card{padding:22px 20px 24px}}@keyframes envelopeShake{0%,to{transform:translate(0)}18%{transform:translate(-10px)rotate(-1.2deg)}36%{transform:translate(9px)rotate(1deg)}54%{transform:translate(-7px)rotate(-.8deg)}72%{transform:translate(5px)rotate(.5deg)}88%{transform:translate(-2px)rotate(-.2deg)}}.wax-seal,.welcome-seal,.final-seal{box-shadow:none!important;background:0 0!important;display:grid!important}.wax-seal:before{display:none!important}.seal-heart{color:#ef8080!important;text-shadow:none!important}@media (width<=640px){.app-shell{padding-left:10px;padding-right:10px;overflow-x:hidden}.page-card{width:100%;padding-left:14px;padding-right:14px}.puzzle-layout{width:100%;overflow-x:hidden}.board-panel,.board-shell,.crossword-board{width:100%;min-width:0;max-width:100%}.crossword-board{--cell-size:min(calc((100vw - 76px) / 12), 33px);justify-content:center}.clue-stack{justify-items:center;width:100%}.clue-card{width:min(100%,300px);max-width:100%}.board-cell input{text-align:center;padding:0!important;font-size:1.15rem!important;line-height:1!important}.cell-number{font-size:.5rem;top:2px;left:3px}}.confetti-burst{display:none!important}@media (width<=640px){.final-note-image{object-fit:contain!important;width:min(78%,110px)!important;max-height:58%!important}.final-envelope-note{overflow:hidden!important}.final-envelope-note-content{gap:4px!important}.mail-note-kicker,.mail-note-signoff{font-size:.85rem!important;line-height:1!important}}