:root{--ink:#242126;--muted:#827982;--paper:#fffaf7;--line:#eadfda;--rose:#ec6f80;--rose-dark:#b8405e;--lavender:#8871cb;--shadow:0 24px 70px rgba(86,45,53,.13);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper)}button,input,textarea,select{font:inherit}button{cursor:pointer}.maker-page{min-height:100vh;overflow-x:hidden;background:radial-gradient(circle at 85% 5%,#ffdfe0 0,transparent 26rem),radial-gradient(circle at 0 43%,#f3e8ff 0,transparent 25rem),#fffaf7}.ambient{position:absolute;width:28rem;height:28rem;border-radius:50%;filter:blur(70px);opacity:.3;pointer-events:none}.ambient-one{background:#ffd5da;right:-10rem;top:18rem}.ambient-two{background:#d5c8ff;left:-13rem;top:55rem}.topbar{position:relative;z-index:2;max-width:1180px;margin:auto;padding:28px 28px 12px;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;gap:10px;align-items:center;color:var(--ink);text-decoration:none;font-weight:800;letter-spacing:.02em}.brand-mark{display:grid;place-items:center;width:28px;height:28px;border-radius:10px;background:var(--ink);color:#fff;font-size:15px}.top-link{color:var(--muted);text-decoration:none;font-size:14px}.maker-shell{position:relative;max-width:1180px;margin:auto;padding:66px 28px 0}.intro{max-width:740px;padding:0 0 60px}.eyebrow,.section-kicker{margin:0 0 16px;color:var(--rose-dark);font-size:11px;font-weight:800;letter-spacing:.2em}.intro h1{font-size:clamp(42px,7vw,82px);line-height:1.05;letter-spacing:-.07em;margin:0 0 22px;font-weight:850}.intro h1 em{display:block;color:var(--rose-dark);font-style:normal}.intro-copy{max-width:550px;color:var(--muted);font-size:17px;line-height:1.8}.intro-stats{display:flex;gap:22px;flex-wrap:wrap;margin-top:30px;color:var(--muted);font-size:12px}.intro-stats b{color:var(--rose-dark);margin-right:6px}.panel{background:rgba(255,255,255,.84);border:1px solid rgba(255,255,255,.8);box-shadow:var(--shadow);backdrop-filter:blur(18px);border-radius:30px}.form-panel{padding:34px;max-width:900px;margin:0 auto 130px}.panel-heading{display:flex;justify-content:space-between;align-items:start;margin-bottom:34px}.panel-heading h2,.how-section h2{margin:0;font-size:30px;letter-spacing:-.04em}.live-dot{font-size:12px;color:#5c9578;background:#eef9f1;border-radius:999px;padding:8px 12px}.live-dot:first-letter{color:#58be7f}.form-grid{display:grid;gap:20px}.two-col{grid-template-columns:1fr 1fr}.form-panel label{display:block;color:#51474f;font-size:13px;font-weight:700;letter-spacing:.01em}.form-panel label>span{color:var(--rose-dark)}input,textarea,select{width:100%;margin-top:9px;border:1px solid var(--line);border-radius:15px;background:#fffaf9;color:var(--ink);padding:15px 16px;outline:none;transition:.2s}textarea{resize:vertical;min-height:110px}input:focus,textarea:focus,select:focus{border-color:#ed8592;box-shadow:0 0 0 4px rgba(236,111,128,.1)}.form-panel>form>label{margin-top:22px}.inline-action{float:right;border:0;background:transparent;color:var(--rose-dark);font-size:12px;font-weight:700}.upload-block{margin-top:28px;padding-top:25px;border-top:1px solid #f0e7e4}.block-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}.block-title>div{display:flex;align-items:center;gap:10px}.icon-badge{display:grid;place-items:center;width:31px;height:31px;background:#fff0f0;color:var(--rose-dark);border-radius:10px;font-size:17px}.block-title strong{font-size:14px}.block-title small{display:block;color:#a1969b;font-size:11px;font-weight:500;margin-left:5px}.ghost-button{background:transparent;color:var(--rose-dark);border:1px solid #f0b6bd;border-radius:999px;padding:8px 12px;font-size:12px}.dropzone{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:5px;min-height:142px;border:1.5px dashed #e9b6bc;border-radius:18px;color:#64575d;background:linear-gradient(135deg,#fffafa,#fff5f3);transition:.2s}.dropzone:hover{background:#fff0f0;border-color:var(--rose)}.dropzone input,.file-input{display:none}.upload-icon{font-size:28px;color:var(--rose)}.dropzone small{color:#a99ca0;font-size:11px;font-weight:500}.photo-preview{display:grid;grid-template-columns:repeat(8,1fr);gap:8px;margin-top:12px}.photo-preview:empty{display:none}.photo-thumb{position:relative;aspect-ratio:1;border-radius:11px;overflow:hidden;background:#eee}.photo-thumb img{width:100%;height:100%;object-fit:cover}.photo-thumb button{position:absolute;right:4px;top:4px;width:20px;height:20px;padding:0;border:0;border-radius:50%;background:rgba(0,0,0,.55);color:#fff}.media-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.media-card{padding-top:25px}.record-button{width:100%;border:1px solid #f0d8d8;background:#fff7f7;color:var(--rose-dark);border-radius:14px;padding:15px;display:flex;justify-content:center;gap:9px;align-items:center}.record-button.is-recording{background:#fff0f0;animation:recordPulse 1s infinite}.mic{font-size:10px;color:#e74e69}.small-upload{display:block;text-align:center;margin:10px 0;color:#9b7a80!important;text-decoration:underline;font-size:12px!important;font-weight:500!important}.media-card audio{width:100%;margin-top:12px;height:35px}.compact{min-height:101px}details{margin-top:25px;border-top:1px solid #f0e7e4;padding-top:20px}summary{cursor:pointer;color:#51474f;font-weight:700;font-size:13px}summary span{float:right;color:#a99ca0;font-weight:500;font-size:11px}.advanced-content{display:grid;gap:12px;margin-top:16px}.advanced-content textarea{min-height:65px}#blowButton[hidden]{display:none!important}.primary-button{width:100%;margin-top:30px;border:0;border-radius:16px;padding:17px 20px;background:linear-gradient(100deg,var(--rose),#df5878);color:#fff;display:flex;justify-content:center;gap:18px;font-weight:800;box-shadow:0 15px 25px rgba(223,88,120,.22);transition:.2s}.primary-button:hover{transform:translateY(-2px);box-shadow:0 20px 35px rgba(223,88,120,.3)}.primary-button i{font-style:normal;font-size:22px;line-height:15px}.form-note{text-align:center;color:#aaa0a2;font-size:11px;margin:13px 0 0}.how-section{padding:0 0 110px}.how-section h2{text-align:center}.how-section>.section-kicker{text-align:center}.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:35px}.how-grid article{padding:26px;border-top:1px solid #e6dcd8}.how-grid b{color:var(--rose-dark);font-size:12px}.how-grid h3{margin:20px 0 8px;font-size:17px}.how-grid p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}.footer{text-align:center;color:#a79b9d;font-size:11px;padding:24px 20px;border-top:1px solid #eee4e0}.card-page{min-height:100vh;color:#fff;background:#1d1720;overflow:hidden}.grain{position:fixed;inset:0;opacity:.08;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.7' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E")}.card-close{position:fixed;z-index:10;top:22px;right:22px;padding:9px 14px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;border-radius:999px;font-size:12px}.card-stage{position:relative;min-height:100vh;display:grid;place-items:center;padding:60px 20px}.envelope-scene{text-align:center;animation:rise .8s ease both}.envelope{position:relative;width:min(88vw,440px);height:285px;margin:auto;border-radius:12px;background:linear-gradient(145deg,#f4848f,#ca4d70);box-shadow:0 30px 90px rgba(0,0,0,.45);overflow:hidden}.envelope-body{position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:15px;letter-spacing:.18em}.envelope-flap{position:absolute;z-index:2;left:-5%;top:-2px;width:110%;height:170px;clip-path:polygon(0 0,100% 0,50% 100%);background:#f9a0a5;transform-origin:top;transition:1s cubic-bezier(.2,.8,.2,1);filter:drop-shadow(0 4px 4px rgba(0,0,0,.12))}.envelope button{position:absolute;z-index:4;bottom:30px;left:50%;transform:translateX(-50%);border:0;border-radius:999px;padding:14px 24px;background:#fff;color:#b8405e;font-weight:800;box-shadow:0 10px 30px rgba(0,0,0,.18)}.envelope.open .envelope-flap{transform:rotateX(180deg);z-index:0}.tap-hint{color:rgba(255,255,255,.55);font-size:12px;margin-top:25px}.wish-scene{position:relative;width:min(1060px,100%);min-height:calc(100vh - 120px);padding:45px 0 20px;display:grid;grid-template-columns:1fr 1.1fr;grid-template-rows:auto 1fr auto;gap:20px 50px;animation:fadeIn 1.1s ease both}.wish-top{grid-column:1/-1;display:flex;justify-content:space-between;color:rgba(255,255,255,.46);font-size:10px;letter-spacing:.22em}.wish-copy{align-self:center;padding:30px 0}.scene-label{font-size:11px;letter-spacing:.2em;color:#ef8998;font-weight:800}.wish-copy h1{font-size:clamp(42px,7vw,88px);letter-spacing:-.08em;line-height:.98;margin:25px 0}.wish-copy h1 em{display:block;color:#f39aa3;font-style:normal}.wish-copy>p:not(.scene-label){max-width:420px;color:rgba(255,255,255,.68);line-height:1.9;font-size:16px;white-space:pre-line}.sender-line{color:rgba(255,255,255,.48);font-size:12px;margin-top:45px}.sender-line strong{color:#fff;font-weight:600}.memory-window{position:relative;align-self:center;justify-self:end;width:min(42vw,430px);aspect-ratio:4/5;overflow:hidden;border-radius:210px 210px 12px 12px;background:#382631;box-shadow:0 30px 60px rgba(0,0,0,.3)}.memory-window img{width:100%;height:100%;object-fit:cover;opacity:.87;transition:opacity .5s,transform 1s;animation:photoZoom 7s ease-in-out infinite alternate}.memory-shade{position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(26,13,25,.7))}.memory-window>span{position:absolute;bottom:18px;right:20px;font-size:11px;letter-spacing:.15em}.wish-footer{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;color:rgba(255,255,255,.43);font-size:10px;letter-spacing:.18em}.sound-button{border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:10px 14px;background:transparent;color:#fff;font-size:12px;letter-spacing:0}.sound-button span{margin-left:6px;color:rgba(255,255,255,.6)}.confetti{position:absolute;inset:0;pointer-events:none;overflow:hidden}.piece{position:absolute;width:7px;height:17px;background:#f9b84d;animation:fall 3s linear infinite}.piece:nth-child(3n){background:#ef8998}.piece:nth-child(4n){background:#a890e8}.hidden{display:none!important}@keyframes rise{from{opacity:0;transform:translateY(25px) scale(.96)}to{opacity:1;transform:none}}@keyframes fadeIn{from{opacity:0;transform:scale(.98)}to{opacity:1;transform:none}}@keyframes photoZoom{from{transform:scale(1)}to{transform:scale(1.08)}}@keyframes recordPulse{50%{box-shadow:0 0 0 5px rgba(236,111,128,.12)}}@keyframes fall{0%{transform:translateY(-40px) rotate(0);opacity:0}15%{opacity:1}100%{transform:translateY(105vh) rotate(520deg);opacity:0}}@media(max-width:760px){.topbar{padding:20px 18px}.maker-shell{padding:45px 18px 0}.intro{padding-bottom:40px}.intro h1{font-size:49px}.intro-copy{font-size:15px}.form-panel{padding:23px 17px;border-radius:23px;margin-bottom:80px}.panel-heading h2{font-size:25px}.two-col,.media-grid,.how-grid{grid-template-columns:1fr}.photo-preview{grid-template-columns:repeat(4,1fr)}.how-section{padding-bottom:70px}.how-grid{gap:0}.how-grid article{padding:20px 0}.wish-scene{display:flex;flex-direction:column;padding:38px 0 20px;gap:22px}.wish-top{order:0}.wish-copy{order:1;padding:5px 0}.wish-copy h1{font-size:55px;margin:18px 0}.sender-line{margin-top:25px}.memory-window{order:2;justify-self:auto;width:100%;max-width:340px;align-self:center}.wish-footer{order:3;align-items:flex-start;gap:15px;flex-direction:column}.wish-footer>span{font-size:9px}.card-stage{padding:55px 20px 22px}.envelope{height:245px}.envelope-flap{height:145px}summary span{display:none}}
.card-page[data-theme="sky"]{background:#101d30}.card-page[data-theme="sky"] .scene-label,.card-page[data-theme="sky"] .wish-copy h1 em{color:#79b8f3}.card-page[data-theme="sky"] .envelope{background:linear-gradient(145deg,#7fb9ee,#496eae)}.card-page[data-theme="sky"] .envelope-flap{background:#a4cef0}.card-page[data-theme="sunset"]{background:#2a1712}.card-page[data-theme="sunset"] .scene-label,.card-page[data-theme="sunset"] .wish-copy h1 em{color:#ff9c67}.card-page[data-theme="sunset"] .envelope{background:linear-gradient(145deg,#ed8958,#bd4f36)}.card-page[data-theme="sunset"] .envelope-flap{background:#f4ab79}.card-page[data-theme="night"]{background:#161224}.card-page[data-theme="night"] .scene-label,.card-page[data-theme="night"] .wish-copy h1 em{color:#aa96ef}.card-page[data-theme="night"] .envelope{background:linear-gradient(145deg,#8f79d2,#5a3b91)}.card-page[data-theme="night"] .envelope-flap{background:#b4a0e3}.primary-button:disabled{opacity:.7;cursor:wait;transform:none}
@media(max-width:760px){.maker-page,.maker-shell,.intro,.form-panel{max-width:100%}.intro h1{font-size:clamp(40px,12vw,49px);letter-spacing:-.065em;word-break:break-all;overflow-wrap:anywhere}.intro h1 em{max-width:100%}.form-panel input,.form-panel textarea,.form-panel select{min-width:0}.block-title>div{min-width:0}.block-title small{white-space:normal}}
[hidden]{display:none!important}
@media(max-width:760px){.intro h1{font-size:clamp(38px,10vw,44px)}.form-grid>*{min-width:0}.form-panel form{min-width:0}.maker-shell{width:100%}}
@media(max-width:420px){.intro h1{font-size:36px;line-height:1.08}}
.result-modal{position:fixed;z-index:100;inset:0;display:grid;place-items:center;padding:20px;background:rgba(32,23,29,.62);backdrop-filter:blur(12px)}.result-dialog{position:relative;width:min(560px,100%);padding:38px;border-radius:26px;background:#fffaf7;box-shadow:0 35px 100px rgba(23,14,21,.35);text-align:center}.result-close{position:absolute;right:18px;top:14px;border:0;background:transparent;color:#918389;font-size:28px}.result-spark{display:grid;place-items:center;width:50px;height:50px;margin:0 auto 19px;border-radius:16px;background:#252128;color:#fff;font-size:22px}.result-dialog h2{margin:0;font-size:30px;letter-spacing:-.04em}.result-dialog>p:not(.section-kicker){color:var(--muted);font-size:14px}.result-link{display:flex;gap:8px;margin:25px 0 13px;padding:7px;border:1px solid var(--line);border-radius:15px;background:#fff}.result-link input{margin:0;border:0;box-shadow:none;background:transparent;padding:10px}.result-link button{flex:none;border:0;border-radius:10px;padding:0 15px;background:#242126;color:#fff;font-size:12px}.result-actions{display:grid;grid-template-columns:1fr auto;gap:10px}.result-actions .primary-button{margin:0;text-decoration:none;align-items:center}.secondary-button{border:1px solid var(--line);border-radius:16px;padding:0 18px;background:#fff;color:var(--ink);font-weight:700}.result-dialog small{display:block;color:#a89ca1;margin-top:15px}.modal-open{overflow:hidden}.toast{position:fixed;z-index:120;left:50%;bottom:35px;transform:translateX(-50%);padding:11px 18px;border-radius:999px;background:#242126;color:#fff;font-size:13px;box-shadow:0 12px 30px rgba(0,0,0,.25)}.missing-card{text-align:center}.missing-card span{font-size:35px}.missing-card h1{font-size:42px;margin:18px 0 8px}.missing-card p{color:rgba(255,255,255,.55)}.missing-card a{display:inline-block;margin-top:18px;padding:12px 18px;border:1px solid rgba(255,255,255,.3);border-radius:999px;color:#fff;text-decoration:none}@media(max-width:600px){.result-dialog{padding:32px 18px}.result-actions{grid-template-columns:1fr}.secondary-button{padding:14px}.result-link{display:block}.result-link button{width:100%;padding:12px}.result-dialog h2{font-size:25px}}

@media(max-width:420px){.intro h1{font-size:34px;letter-spacing:-.055em}.intro-copy{max-width:340px}.maker-shell{overflow:hidden}}

.scene-extra{color:rgba(255,255,255,.55)!important;font-size:13px!important;line-height:1.8!important;white-space:pre-line}

@media(max-width:760px){.maker-page{overflow-x:clip}.topbar,.maker-shell{width:100%;max-width:100%;padding-left:18px;padding-right:18px}.intro h1{word-break:normal;overflow-wrap:normal}.intro h1 em{word-break:keep-all;overflow-wrap:normal}.form-panel{width:100%}.result-modal,.result-dialog{max-width:100vw}.result-link,.result-actions,.result-link input{min-width:0}.result-link input{text-overflow:ellipsis}.block-title{gap:10px}.block-title>div{flex-wrap:wrap}.block-title small{margin-left:41px;margin-top:-7px;width:100%}}
@media(max-width:390px){.intro h1{font-size:33px}.intro h1 em{font-size:32px}}

@media(max-width:760px){.ambient{display:none}}

/* Admin delivery console */
.admin-page{min-height:100vh;background:#eee9e3;color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif}.admin-page:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.28;background-image:radial-gradient(#6c6064 .55px,transparent .65px);background-size:6px 6px}.admin-shell{position:relative;width:min(1020px,calc(100% - 40px));margin:auto;padding:28px 0 80px}.admin-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:25px;border-bottom:1px solid #cfc5bf}.admin-header>span{font:10px/1.2 monospace;letter-spacing:.18em;color:#8b7f7c}.admin-hero{padding:74px 0 55px;max-width:760px}.admin-hero h1{margin:12px 0 22px;font:700 clamp(48px,8vw,86px)/.96 Georgia,"Songti SC",serif;letter-spacing:-.055em}.admin-hero h1 em{color:#db526e;font-style:italic}.admin-hero>p:last-child{max-width:590px;color:#746a6c;line-height:1.8}.admin-card,.admin-results{padding:32px;background:#fffaf6;border:1px solid #d9cec7;box-shadow:9px 9px 0 #252126}.admin-results{margin-top:38px}.admin-card-title{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:28px}.admin-card-title small,.token-row small{font:10px/1.2 monospace;letter-spacing:.15em;color:#c3425d}.admin-card-title h2{margin:6px 0 0;font-size:28px}.status-chip{padding:8px 12px;border:1px solid #b9aea9;border-radius:99px;font-size:11px}.admin-card label{display:grid;gap:8px;margin-bottom:20px;font-size:13px;font-weight:700}.admin-card input,.token-row input{width:100%;border:1px solid #d7ccc6;background:#fff;padding:15px 16px;color:#302b2d;font-size:14px;outline:none}.admin-card input:focus{border-color:#db526e;box-shadow:0 0 0 3px rgba(219,82,110,.12)}.admin-card .primary-button{margin-top:8px}.token-list{display:grid;gap:12px}.token-row{display:grid;grid-template-columns:145px 1fr auto;align-items:center;gap:12px;padding:12px;border:1px solid #ddd2cc;background:#fff}.token-row button{height:45px;padding:0 18px;border:0;background:#262226;color:#fff;font-weight:700;cursor:pointer}.admin-note{margin:22px 0 0;color:#998c88;font-size:12px}.admin-page .ghost-button{cursor:pointer}.admin-page .toast{position:fixed}
@media(max-width:680px){.admin-shell{width:min(100% - 28px,1020px)}.admin-header>span{display:none}.admin-hero{padding:54px 0 38px}.admin-hero h1{font-size:46px}.admin-card,.admin-results{padding:22px;box-shadow:6px 6px 0 #252126}.admin-card-title{align-items:center}.token-row{grid-template-columns:1fr auto}.token-row>div{grid-column:1/-1}.token-row input{min-width:0}.status-chip{display:none}}

@media(max-width:680px){.admin-page{overflow-x:hidden}.admin-shell{width:100%;padding-left:14px;padding-right:14px}.admin-hero h1{font-size:clamp(39px,12vw,46px);letter-spacing:-.065em}.admin-hero p{overflow-wrap:anywhere}.admin-card,.admin-results{width:100%;overflow:hidden}.admin-card .two-col{grid-template-columns:1fr}.admin-card form,.admin-card label,.admin-card input{min-width:0}.admin-card input{max-width:100%}.admin-card-title h2{font-size:25px}}
/* Birthday Atelier redesign additions */
:root{--theme-primary:#ffb3c1;--theme-light:#fff0f3;--particle-1:#ffb3c1;--particle-2:#ff6b9d}
.card-page{--theme-primary:#ffb3c1;--theme-light:#fff0f3;--particle-1:#ffb3c1;--particle-2:#ff6b9d;background:radial-gradient(circle at 50% 18%,var(--theme-light),#fff 62%);color:#333;min-height:100vh;overflow-x:hidden}
.card-page[data-theme=sky]{--theme-primary:#87ceeb;--theme-light:#e0f4ff}.card-page[data-theme=sunset]{--theme-primary:#ff8c42;--theme-light:#fff3e0}.card-page[data-theme=night]{--theme-primary:#9b59b6;--theme-light:#f3e5f5}
.card-page .card-stage{min-height:100vh;padding:70px 24px 36px;display:grid;place-items:center;position:relative;z-index:1}.experience-scene{width:min(100%,980px);min-height:calc(100vh - 110px);display:grid;place-items:center;text-align:center;animation:sceneIn .7s ease both}.experience-scene[hidden]{display:none}.envelope-wrapper{cursor:pointer;outline:none}.envelope{width:min(86vw,600px);height:min(57vw,400px);min-height:260px;position:relative;perspective:1200px;transform-style:preserve-3d;filter:drop-shadow(0 28px 28px rgba(50,30,40,.18))}.envelope-body,.envelope-flap,.letter-paper{position:absolute;inset:0;border-radius:12px}.envelope-body{background:linear-gradient(145deg,var(--theme-primary),color-mix(in srgb,var(--theme-primary),#6b3455 28%));overflow:hidden}.envelope-cover{position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:clamp(18px,3vw,28px);letter-spacing:.16em;text-shadow:0 2px 15px rgba(0,0,0,.2);background-image:radial-gradient(circle at 20% 20%,rgba(255,255,255,.35) 0 2px,transparent 3px),radial-gradient(circle at 70% 60%,rgba(255,255,255,.2) 0 3px,transparent 4px)}.letter-paper{inset:8% 8% 5%;background:#fffaf2;transform:translateZ(-2px);padding:28px;display:grid;place-items:center;color:#6d4551;transition:transform .8s ease}.letter-content{display:grid;gap:10px;place-items:center}.letter-kicker{font-size:10px;letter-spacing:.18em}.static-cake-illustration{font-size:64px}.letter-name{font-family:'KaiTi','STKaiti',cursive}.envelope-flap{z-index:4;inset:0 0 45%;transform-origin:top center;background:linear-gradient(145deg,color-mix(in srgb,var(--theme-primary),white 20%),var(--theme-primary));clip-path:polygon(0 0,100% 0,50% 100%);backface-visibility:hidden;transition:transform .8s ease-in-out}.envelope-wrapper.is-opening .envelope-flap{transform:rotateX(-180deg);z-index:1}.envelope-wrapper.is-opening .letter-paper{transform:translateY(-4%) scale(1.03);}.tap-hint{margin:24px 0 0;color:#765866;letter-spacing:.12em;font-size:13px}.tap-hint span{color:var(--theme-primary);font-size:20px}
.scene-heading{align-self:start;margin-top:4vh}.scene-label{font-size:11px;letter-spacing:.2em;color:color-mix(in srgb,var(--theme-primary),#7d405c 20%);font-weight:800}.scene-heading h1{font-size:clamp(32px,6vw,64px);margin:14px 0 8px;letter-spacing:-.06em}.scene-heading p{color:#806d74}.cake-scene{grid-template-rows:auto 1fr auto auto;gap:12px}.cake-stage{perspective:1000px;display:grid;place-items:center;width:100%}.cake-3d{width:min(75vw,400px);height:min(75vw,400px);position:relative;transform-style:preserve-3d;transform:scale(.3);opacity:.5;transition:transform 1.2s cubic-bezier(.34,1.56,.64,1),opacity 1.2s}.cake-3d.cake-arrive{transform:scale(1);opacity:1}.cake-image{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;display:block;user-select:none;pointer-events:none}.cake-base,.cake-layer{position:absolute;left:50%;transform:translateX(-50%);border-radius:50%;background:linear-gradient(160deg,#fffdf2,#f3d8bd);box-shadow:inset 0 -18px 0 rgba(203,134,113,.18),0 18px 20px rgba(99,55,50,.18)}.cake-base{width:92%;height:25%;bottom:10%;background:#ead0b6}.cake-layer{height:23%;}.cake-layer-1{width:83%;bottom:24%;transform:translateX(-50%) translateZ(22px)}.cake-layer-2{width:68%;bottom:39%;transform:translateX(-50%) translateZ(42px)}.cake-layer-3{width:53%;bottom:54%;transform:translateX(-50%) translateZ(62px)}.cake-top-decoration{position:absolute;left:50%;top:16%;transform:translateX(-50%) translateZ(80px);font-size:42px;color:var(--theme-primary)}.candles{position:absolute;inset:0;transform:translateZ(105px)}.candle{position:absolute;left:calc(50% + var(--candle-x) * 36px);top:25%;width:13px;height:70px;border-radius:7px;background:repeating-linear-gradient(135deg,#fff 0 7px,var(--theme-primary) 7px 13px);transform:translateX(-50%)}.flame{position:absolute;left:50%;top:-26px;width:19px;height:29px;border-radius:50% 50% 50% 8px;background:linear-gradient(#ffd54f,#ff633f);transform:translateX(-50%) rotate(45deg);box-shadow:0 0 18px #ffb300;animation:flicker .5s ease-in-out infinite alternate}.flame.extinguished{animation:snuff .35s ease forwards}.primary-button.blow-button{border:0;background:var(--theme-primary);color:#fff;padding:15px 28px;border-radius:999px;font-size:16px;box-shadow:0 10px 25px color-mix(in srgb,var(--theme-primary),transparent 55%)}.sound-button{z-index:5}.photos-scene{grid-template-rows:auto 1fr auto auto;gap:12px}.photo-stack{position:relative;width:min(78vw,350px);height:min(108vw,500px);perspective:1200px;transform-style:preserve-3d}.photo-card{position:absolute;inset:0;border:8px solid #fff;background:#fff;padding:0;box-shadow:0 10px 30px rgba(0,0,0,.15);transition:transform .6s ease,opacity .6s ease;transform:translateZ(calc(var(--offset) * -50px)) scale(calc(1 - var(--offset) * .05)) rotate(calc(var(--offset) * 2deg - 2deg));opacity:calc(1 - var(--offset) * .12);cursor:default}.photo-card.is-front{cursor:pointer;z-index:10}.photo-card img{width:100%;height:100%;object-fit:cover;display:block}.photo-card.photo-leave{transform:translateZ(800px) rotate(12deg);opacity:0}.photo-counter{font-weight:800;letter-spacing:.16em;color:#765866}.greeting-scene{padding:20px}.greeting-card{position:relative;width:min(100%,640px);padding:44px 40px;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-radius:16px;box-shadow:0 10px 40px rgba(0,0,0,.1);text-align:center}.greeting-card h1{font-size:clamp(34px,7vw,68px);margin:16px 0;letter-spacing:-.07em}.greeting-card h1 em{display:block;color:var(--theme-primary);font-style:normal}.handwritten-message{font-family:'ZCOOL QingKe HuangYou','Ma Shan Zheng','KaiTi','STKaiti',cursive;font-size:20px;line-height:2;white-space:pre-line;color:#333;max-width:600px;margin:20px auto}.card-decorations{position:absolute;inset:18px;display:flex;justify-content:space-between;align-items:space-between;color:var(--theme-primary);font-size:24px;pointer-events:none}.card-decorations span:nth-child(2){align-self:flex-start}.card-decorations span:nth-child(3){align-self:flex-end}.card-decorations span:nth-child(4){align-self:flex-start}.sender-line{color:#806d74;font-size:12px;margin-top:32px}.sender-line strong{color:#333}.card-particles{position:fixed;inset:0;pointer-events:none;overflow:hidden}.card-particles i{position:absolute;width:6px;height:6px;border-radius:50%;background:var(--particle-1);animation:particleRise 3s ease-in infinite;box-shadow:0 0 12px var(--particle-2)}.cake-sound-button,.voice-button,.greeting-sound-button{margin:4px auto 0}
.envelope-upload,.birthday-song-upload{margin-bottom:18px}.upload-preview{max-width:240px;max-height:150px;border-radius:14px;object-fit:cover;margin:12px auto 0;box-shadow:0 8px 20px rgba(30,20,40,.12)}
@keyframes sceneIn{from{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:none}}@keyframes flicker{to{transform:translateX(-50%) rotate(55deg) scale(.86)}}@keyframes snuff{to{opacity:0;transform:translateX(-50%) rotate(45deg) scale(0)}}@keyframes particleRise{0%{opacity:0;transform:translateY(20px) scale(.6)}20%{opacity:1}100%{opacity:0;transform:translateY(-220px) rotate(360deg) scale(1.3)}}
@media(max-width:760px){.card-page .card-stage{padding:56px 18px 24px}.experience-scene{min-height:calc(100vh - 80px)}.envelope{width:90vw;height:60vw;min-height:230px}.cake-3d{width:300px;height:300px}.photo-stack{width:280px;height:400px}.greeting-card{padding:40px 24px}.candle{left:calc(50% + var(--candle-x) * 27px);height:55px}}
/* 2026-08 product polish: birthday-song preview, full envelope cover, refined cake */
.song-preview{margin-top:14px;padding:14px 16px;border:1px solid #f0d9dc;border-radius:16px;background:linear-gradient(135deg,#fffaf9,#fff3f2);display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,320px);gap:16px;align-items:center}
.song-preview[hidden]{display:none!important}.song-preview-copy{display:flex;align-items:center;gap:11px;min-width:0}.song-preview-copy>div{display:grid;gap:3px;min-width:0}.song-preview-copy strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.song-preview-copy small{margin:0;color:#9d8e94;font-size:11px;font-weight:500}.song-preview-icon{display:grid;place-items:center;width:36px;height:36px;flex:0 0 auto;border-radius:50%;background:var(--rose);color:#fff;font-size:17px;box-shadow:0 7px 16px rgba(184,64,94,.2)}.song-preview audio{width:100%;height:38px;margin:0}.upload-preview{display:block;width:min(100%,420px);height:auto;max-width:420px;max-height:280px;object-fit:contain;background:#f7efec;padding:6px;border:1px solid #eadfda;border-radius:16px;margin:14px auto 0;box-shadow:0 10px 24px rgba(30,20,40,.12)}

.envelope-cover{isolation:isolate}.envelope-cover-image{position:absolute;inset:8% 7%;width:86%;height:84%;object-fit:contain;object-position:center;display:block;padding:8px;border-radius:12px;background:rgba(255,255,255,.94);box-shadow:0 14px 35px rgba(78,35,51,.24);transition:opacity .35s ease,transform .45s ease}.envelope-cover-image[hidden]{display:none}.envelope-cover.has-custom-cover{z-index:5;background-image:none}.envelope-cover.has-custom-cover::before{content:"";position:absolute;inset:0;border-radius:12px;background:linear-gradient(145deg,color-mix(in srgb,var(--theme-primary),white 18%),color-mix(in srgb,var(--theme-primary),#6b3455 22%));z-index:-1}.envelope-cover.has-custom-cover span{position:absolute;z-index:2;left:50%;bottom:8%;transform:translateX(-50%);padding:7px 13px;border-radius:999px;background:rgba(30,20,30,.48);backdrop-filter:blur(8px);font-size:clamp(11px,2vw,14px);letter-spacing:.12em;white-space:nowrap}.envelope-wrapper.is-opening .envelope-cover.has-custom-cover{pointer-events:none}.envelope-wrapper.is-opening .envelope-cover-image{opacity:0;transform:translateY(16px) scale(.96)}.envelope-wrapper.is-opening .envelope-cover.has-custom-cover span{opacity:0;transition:opacity .25s ease}

.cake-stage{perspective:none}.cake-3d{width:min(78vw,380px);height:min(72vw,340px);position:relative;transform:translateY(20px) scale(.72);opacity:0;transition:transform 1s cubic-bezier(.2,.9,.2,1.25),opacity .7s ease}.cake-3d.cake-arrive{transform:translateY(0) scale(1);opacity:1}.cake-shadow{position:absolute;left:12%;right:12%;bottom:6%;height:12%;border-radius:50%;background:rgba(108,61,70,.15);filter:blur(14px)}.cake-plate{position:absolute;z-index:1;left:4%;bottom:9%;width:92%;height:15%;border-radius:50%;background:linear-gradient(180deg,#fff,#eadfdc 70%,#d4c2be);box-shadow:0 14px 24px rgba(93,54,62,.14),inset 0 4px 0 rgba(255,255,255,.9)}.cake-body{position:absolute;z-index:2;left:14%;bottom:20%;width:72%;height:42%;overflow:visible;border-radius:10% 10% 17% 17% / 12% 12% 24% 24%;background:linear-gradient(90deg,color-mix(in srgb,var(--theme-primary),white 78%),color-mix(in srgb,var(--theme-primary),white 56%) 46%,color-mix(in srgb,var(--theme-primary),white 72%));box-shadow:inset -18px -10px 24px rgba(118,65,76,.09),inset 14px 0 20px rgba(255,255,255,.4),0 18px 25px rgba(103,55,65,.17)}.cake-top{position:absolute;z-index:4;left:14%;bottom:48%;width:72%;height:29%;border-radius:50%;background:radial-gradient(ellipse at 42% 33%,#fff 0 12%,#fff8f1 40%,color-mix(in srgb,var(--theme-primary),white 75%) 78%,color-mix(in srgb,var(--theme-primary),white 58%));box-shadow:inset 0 -8px 0 rgba(164,91,105,.1),0 8px 12px rgba(89,49,59,.12)}.cake-frosting{position:absolute;z-index:5;left:0;top:-2%;width:100%;height:31%;border-radius:10px 10px 42% 42% / 8px 8px 75% 75%;background:linear-gradient(#fffdf8,#fff5eb);box-shadow:0 5px 7px rgba(119,70,76,.08)}.cake-frosting i{position:absolute;top:55%;width:9%;height:55%;border-radius:0 0 999px 999px;background:#fff6ec}.cake-frosting i:nth-child(1){left:8%;height:72%}.cake-frosting i:nth-child(2){left:27%;height:48%}.cake-frosting i:nth-child(3){left:47%;height:80%}.cake-frosting i:nth-child(4){left:68%;height:56%}.cake-frosting i:nth-child(5){left:84%;height:70%}.cake-ribbon{position:absolute;z-index:2;left:7%;right:7%;top:55%;height:24%;display:grid;place-items:center;border-radius:8px;background:color-mix(in srgb,var(--theme-primary),#c9456b 18%);box-shadow:inset 0 2px 0 rgba(255,255,255,.32)}.cake-ribbon span{color:#fff;font-size:clamp(8px,2vw,11px);font-weight:800;letter-spacing:.22em;text-shadow:0 1px 3px rgba(80,30,45,.16)}.cake-side-shine{position:absolute;z-index:3;left:9%;top:36%;width:8%;height:42%;border-radius:999px;background:linear-gradient(90deg,rgba(255,255,255,.06),rgba(255,255,255,.62),rgba(255,255,255,.04));transform:rotate(4deg)}.cake-berries{position:absolute;inset:0}.cake-berries i{position:absolute;width:5.5%;aspect-ratio:1;border-radius:50%;background:color-mix(in srgb,var(--theme-primary),#cf315d 34%);box-shadow:inset -2px -3px 3px rgba(98,35,53,.16),0 3px 5px rgba(90,42,52,.13)}.cake-berries i:nth-child(1){left:19%;top:42%}.cake-berries i:nth-child(2){left:30%;top:24%;transform:scale(.78)}.cake-berries i:nth-child(3){right:20%;top:39%}.cake-berries i:nth-child(4){right:31%;top:23%;transform:scale(.72)}.cake-berries i:nth-child(5){right:11%;top:57%;transform:scale(.62)}.candles{position:absolute;z-index:8;inset:0;transform:none;pointer-events:none}.candle{position:absolute;left:50%;bottom:78%;top:auto;width:15px;height:18%;min-height:56px;border-radius:8px 8px 4px 4px;background:repeating-linear-gradient(135deg,#fff 0 8px,var(--theme-primary) 8px 15px);transform:translateX(-50%);box-shadow:0 4px 7px rgba(72,35,43,.18),inset 3px 0 3px rgba(255,255,255,.6)}.wick{position:absolute;left:50%;top:-8px;width:2px;height:10px;border-radius:2px;background:#5f4b43;transform:translateX(-50%)}.flame{position:absolute;left:50%;top:-34px;width:20px;height:30px;border-radius:55% 45% 55% 45% / 65% 60% 40% 35%;background:radial-gradient(circle at 45% 65%,#fff6a4 0 18%,#ffc83d 36%,#ff7547 72%);transform:translateX(-50%) rotate(5deg);transform-origin:50% 85%;box-shadow:0 0 13px #ffc342,0 0 28px rgba(255,166,38,.55);animation:flicker .55s ease-in-out infinite alternate}.flame.extinguished{animation:snuff .35s ease forwards}

@keyframes flicker{to{transform:translateX(-50%) rotate(-5deg) scale(.9,1.06)}}
@keyframes snuff{to{opacity:0;transform:translateX(-50%) translateY(-5px) scale(.15)}}
@media(max-width:760px){.song-preview{grid-template-columns:1fr}.song-preview audio{height:36px}.envelope-cover-image{inset:9% 6%;width:88%;height:82%;padding:6px}.cake-3d{width:min(84vw,330px);height:min(84vw,330px)}.candle{height:18%;min-height:52px}}


/* 2026-08 envelope presets and media polish */
.envelope-preset-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 0 14px}
.envelope-preset-card{position:relative;display:grid;gap:8px;padding:7px;border:1px solid #eadfda;border-radius:16px;background:#fffaf9;color:var(--ink);cursor:pointer;transition:.2s ease;overflow:hidden}
.envelope-preset-card input{position:absolute;opacity:0;pointer-events:none}
.envelope-preset-card img{display:block;width:100%;aspect-ratio:1334/752;object-fit:cover;border-radius:11px;background:#f7f0e6}
.envelope-preset-card span{text-align:center;color:#827982;font-size:12px;font-weight:700}
.envelope-preset-card:hover{border-color:#ec6f80;transform:translateY(-2px);box-shadow:0 10px 24px rgba(184,64,94,.12)}
.envelope-preset-card.is-selected{border-color:var(--rose);box-shadow:0 0 0 3px rgba(236,111,128,.14),0 10px 24px rgba(184,64,94,.12)}
.envelope-preset-card.is-selected span{color:var(--rose-dark)}
.envelope-upload-zone{min-height:112px}

/* 预设/自定义信封直接使用图片，不再叠加主题色底板。 */
.envelope-wrapper.has-image-cover .envelope{width:min(86vw,600px);height:auto;aspect-ratio:7/4;background:transparent;box-shadow:none;overflow:visible;filter:drop-shadow(0 24px 28px rgba(50,30,40,.18))}
.envelope-wrapper.has-image-cover .envelope-body{background:transparent;overflow:visible}
.envelope-wrapper.has-image-cover .envelope-cover{background:transparent;background-image:none;color:transparent;text-shadow:none;overflow:hidden}
.envelope-wrapper.has-image-cover .envelope-cover::before{display:none}
.envelope-wrapper.has-image-cover .envelope-cover-image,
.envelope-wrapper.has-image-cover .envelope-opened-image{position:absolute;inset:0;width:100%;height:100%;padding:0;border:0;border-radius:12px;object-fit:contain;background:transparent;box-shadow:none;transition:opacity .78s ease,transform .78s cubic-bezier(.22,.8,.28,1)}
.envelope-wrapper.has-image-cover .envelope-cover-image{opacity:1;transform:scale(1)}
.envelope-wrapper.has-image-cover .envelope-opened-image{opacity:0;transform:scale(1.025)}
.envelope-wrapper.has-image-cover .envelope-cover span{display:none}
.envelope-wrapper.has-image-cover .envelope-flap{display:none}
.envelope-wrapper.has-image-cover .letter-paper{visibility:hidden}
.envelope-wrapper.has-open-cover.is-opening .envelope-cover-image{opacity:0;transform:scale(.97)}
.envelope-wrapper.has-open-cover.is-opening .envelope-opened-image{opacity:1;transform:scale(1)}

@media(max-width:760px){
  .envelope-preset-grid{gap:8px}
  .envelope-preset-card{padding:5px;border-radius:13px}
  .envelope-preset-card img{border-radius:9px}
  .envelope-wrapper.has-image-cover .envelope{width:min(92vw,600px);height:auto}
}

/* Opened-envelope pause and continue interaction. */
.envelope-wrapper.ready-to-continue{cursor:pointer}
.envelope-wrapper.ready-to-continue .tap-hint{animation:hint-pulse 1.6s ease-in-out infinite}
.envelope-wrapper.is-continuing{pointer-events:none}
.envelope-wrapper.is-continuing .envelope-opened-image{opacity:.72;transform:scale(.98)}
@keyframes hint-pulse{0%,100%{opacity:.72}50%{opacity:1}}


/* Birthday wish burst: a fast pixel-particle title after the song intro. */
.cake-scene{position:relative;isolation:isolate}
.birthday-wish-burst{position:absolute;z-index:20;left:50%;top:28%;width:min(94vw,900px);height:260px;transform:translate(-50%,-50%);display:grid;place-items:center;pointer-events:none;opacity:0}
.birthday-wish-burst.is-active{animation:wish-layer 2.35s steps(1,end) both}
.birthday-wish-text{position:relative;z-index:2;width:min(88vw,820px);height:auto;image-rendering:pixelated;image-rendering:crisp-edges;opacity:0;transform:translateY(30px) scale(.62);filter:drop-shadow(7px 7px 0 rgba(86,49,91,.18))}
.birthday-wish-burst.is-active .birthday-wish-text{animation:wish-pixel-pop 2.35s cubic-bezier(.18,.88,.25,1) both}
.birthday-wish-particles{position:absolute;left:50%;top:50%;width:1px;height:1px}
.birthday-wish-particles i{position:absolute;left:0;top:0;width:var(--size);height:var(--size);border-radius:0;background:var(--color);box-shadow:calc(var(--size) * .8) 0 0 var(--color),0 calc(var(--size) * .8) 0 color-mix(in srgb,var(--color) 72%,#fff);opacity:0;transform:translate(-50%,-50%) scale(.25)}
.birthday-wish-burst.is-active .birthday-wish-particles i{animation:wish-pixel-particle 1.35s var(--delay) steps(7,end) both}
@keyframes wish-layer{0%,100%{opacity:0}1%,76%{opacity:1}}
@keyframes wish-pixel-pop{0%{opacity:0;transform:translateY(30px) scale(.62)}12%{opacity:1;transform:translateY(-12px) scale(1.08)}22%{transform:translateY(0) scale(1)}58%{opacity:1;transform:translateY(0) scale(1)}78%{opacity:.42;transform:translateY(-8px) scale(1.02)}100%{opacity:0;transform:translateY(-18px) scale(.96)}}
@keyframes wish-pixel-particle{0%{opacity:0;transform:translate(-50%,-50%) scale(.25)}12%{opacity:1}65%{opacity:.9}100%{opacity:0;transform:translate(calc(-50% + var(--x)),calc(-50% + var(--y))) scale(1)}}
@media(max-width:760px){.birthday-wish-burst{top:25%;height:210px}.birthday-wish-text{width:min(94vw,720px)}}
@media(prefers-reduced-motion:reduce){.birthday-wish-burst.is-active,.birthday-wish-burst.is-active .birthday-wish-text,.birthday-wish-burst.is-active .birthday-wish-particles i{animation-duration:.01ms!important}.birthday-wish-text{opacity:1;transform:none}}


/* Custom scene copy and birthday-song ambient blessing loop. */
.scene-custom-copy { margin: 14px auto 0; max-width: 560px; color: rgba(255,255,255,.82); font-size: 1.05rem; line-height: 1.8; white-space: pre-line; }
.greeting-card .scene-custom-copy { color: var(--ink-soft, #735d68); font-family: inherit; }
.birthday-song-ambient { position: absolute; inset: 0; z-index: 8; pointer-events: none; opacity: 0; overflow: hidden; transition: opacity .45s ease; }
.birthday-song-ambient.is-active { opacity: 1; }
.ambient-confetti { position: absolute; inset: 0; }
.ambient-confetti i { position: absolute; width: 7px; height: 12px; background: var(--color); opacity: .5; transform: rotate(25deg); animation: ambient-fall var(--fall) var(--delay) linear infinite; }
.ambient-message { position: absolute; left: 50%; bottom: 16%; width: min(88vw, 620px); transform: translate(-50%, 14px) scale(.92); text-align: center; color: #fff8dc; font-size: clamp(1.15rem, 3vw, 1.8rem); font-weight: 800; letter-spacing: .12em; text-shadow: 0 3px 0 rgba(110,55,84,.38), 0 0 20px rgba(255,215,106,.6); opacity: 0; }
.ambient-message strong,.ambient-message small{display:block}.ambient-message small{margin-top:10px;font-size:clamp(.78rem,2vw,1rem);font-weight:500;letter-spacing:.06em;color:rgba(91,68,80,.72);text-shadow:none}.ambient-message.is-visible { opacity:1; transform:translate(-50%,0) scale(1); transition:opacity .45s ease,transform .45s ease; }
@keyframes ambient-message-in { 0% { opacity: 0; transform: translate(-50%, 14px) scale(.92); } 18% { opacity: 1; transform: translate(-50%, 0) scale(1.04); } 72% { opacity: 1; transform: translate(-50%, 0) scale(1); } 100% { opacity: 0; transform: translate(-50%, -10px) scale(.98); } }
@keyframes ambient-fall { 0% { transform: translate3d(0,-16px,0) rotate(0deg); opacity: 0; } 15% { opacity: .55; } 100% { transform: translate3d(var(--drift), 112vh, 0) rotate(260deg); opacity: 0; } }
@media(max-width:760px) { .ambient-message { bottom: 18%; letter-spacing: .06em; } .scene-custom-copy { font-size: .95rem; } }

.submit-progress{margin-top:14px;padding:14px 16px;border:1px solid #f0d9dc;border-radius:16px;background:#fff8f7}.submit-progress-track{height:9px;border-radius:999px;background:#f1e4e3;overflow:hidden}.submit-progress-track i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--rose),#b77ae8);transition:width .35s ease}.submit-progress-copy{display:flex;justify-content:space-between;gap:12px;margin-top:9px;color:var(--muted);font-size:12px}.submit-progress-copy b{color:var(--rose-dark)}

/* Visible submit progress integrated into the upload button. */
.submit-button{position:relative;isolation:isolate;overflow:hidden}.submit-button::before{content:"";position:absolute;z-index:-1;inset:0 auto 0 0;width:var(--submit-progress,0);background:linear-gradient(90deg,#b8405e,#9b68d7);transition:width .18s linear}.submit-button.is-uploading{box-shadow:0 14px 32px rgba(184,64,94,.28)}.submit-button.is-uploading i{min-width:42px;font-style:normal;font-size:13px}.submit-button:disabled{cursor:wait;opacity:1}.submit-progress{box-shadow:0 10px 28px rgba(184,64,94,.09)}

/* Use assets/cake.png while preserving the existing single candle. */
.cake-image{position:absolute;z-index:3;left:50%;bottom:4%;width:100%;height:100%;object-fit:contain;object-position:center bottom;transform:translateX(-50%);filter:drop-shadow(0 22px 22px rgba(45,20,30,.22));pointer-events:none}.cake-3d .candles{z-index:8}.cake-3d .candle{bottom:79%}
@media(max-width:760px){.cake-image{width:102%;height:102%}.cake-3d .candle{bottom:78%}}