:root{
  --bg:#f3f4f7;--panel:#fff;--text:#17191d;--muted:#7c818a;--key:#f0f1f4;--op:#e6e8ec;
  --accent:#202329;--danger:#b3261e;--line:#e2e4e8;
  --love:#ff8fb7;--love2:#b89cff;--gold:#f4cc9c;--ink:#f9f5fb;--night:#080712
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
body{display:grid;place-items:center;padding:20px;overscroll-behavior:none}button,input,textarea,select{font:inherit}button{border:0;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;user-select:none}
.app{width:min(440px,100%);background:var(--panel);border:1px solid var(--line);border-radius:30px;box-shadow:0 26px 80px #10131a16;overflow:hidden}.calc{padding:22px}.calc-top{display:flex;justify-content:space-between;color:#9a9ea6;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:2px 4px}.display{min-height:142px;padding:12px 7px 20px;display:flex;flex-direction:column;justify-content:end;align-items:end;overflow:hidden}.expr{font-size:18px;color:var(--muted);min-height:28px;word-break:break-all;text-align:right;max-width:100%}.result{font-size:50px;line-height:1.08;font-weight:650;letter-spacing:-2px;word-break:break-all;text-align:right;max-width:100%}.functions{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-bottom:10px}.func{height:38px;border-radius:13px;background:#f7f8fa;color:#5d626a;font-weight:720;font-size:15px}.func:active{transform:scale(.97)}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:11px}.key{height:69px;border-radius:20px;background:var(--key);font-size:23px;font-weight:580;color:var(--text);transition:transform .07s ease,background .14s ease}.key:active{transform:scale(.955);background:#e5e7ea}.key.op{background:var(--op);font-weight:700}.key.clear{color:var(--danger)}.key.equal{background:#202329;color:white;box-shadow:0 8px 22px #20232925}.key.back{font-size:22px}

#securityRoot{position:fixed;inset:0;background:radial-gradient(circle at 50% 0,#fff6fa,#f2f1f7 45%,#e9eaf0);display:none;align-items:center;justify-content:center;padding:18px;z-index:30;overflow:auto}.security{width:min(500px,100%);background:#fffffff2;border:1px solid #ffffff;backdrop-filter:blur(24px);border-radius:30px;padding:30px;box-shadow:0 36px 100px #3f33491d;animation:securityIn .28s ease both}.security:before{content:"";display:block;width:110px;height:4px;border-radius:99px;background:linear-gradient(90deg,#ff95b9,#c6a4ff,#ffd09f);margin-bottom:25px}@keyframes securityIn{from{opacity:0;transform:translateY(12px) scale(.985)}to{opacity:1;transform:none}}.security-mark{width:50px;height:50px;border-radius:18px;background:linear-gradient(145deg,#2b2631,#17151c);color:#ffd7e4;display:grid;place-items:center;font-size:24px;margin-bottom:15px}.security-eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:10px;color:#b35e82;font-weight:850}.security h1{margin:7px 0 8px;font-family:Georgia,"Times New Roman",serif;font-size:32px;font-weight:500;letter-spacing:-.03em}.security>p{color:#67636b;line-height:1.55;margin:0 0 20px}.field{display:flex;align-items:center;border:1px solid #ded9e1;border-radius:17px;overflow:hidden;background:#fbf9fc;transition:.18s}.field:focus-within{border-color:#b08aa0;box-shadow:0 0 0 4px #d69bb51c}.field input{min-width:0;flex:1;border:0;outline:0;background:transparent;padding:17px;font-size:18px;letter-spacing:.02em}.show{width:74px;height:54px;background:transparent;color:#5d5360;font-size:13px;font-weight:750}.consent{display:flex;gap:12px;align-items:flex-start;margin:19px 0 17px;color:#564e58;font-size:13.5px;line-height:1.5;padding:15px;border-radius:17px;background:#fff9fc;border:1px solid #f0e4ea}.consent input{width:20px;height:20px;flex:none;margin-top:1px;accent-color:#8d506c}.consent strong{display:block;color:#2f2931;margin-bottom:3px}.capture-note{display:flex;gap:9px;align-items:center;color:#8d818a;font-size:12px;margin:-4px 2px 17px}.capture-dot{width:7px;height:7px;border-radius:99px;background:#c97a9a;box-shadow:0 0 0 5px #c97a9a14}.primary,.secondary{width:100%;border-radius:16px;font-weight:760;font-size:15px}.primary{height:56px;background:linear-gradient(135deg,#2b2430,#17151c);color:#fff;box-shadow:0 10px 28px #2b24302b}.primary:disabled{opacity:.56}.secondary{height:50px;background:#efedf1;color:#363038;margin-top:9px}.error{min-height:20px;color:var(--danger);font-size:13px;margin-top:11px;line-height:1.45}.hidden-capture{position:fixed!important;left:-10000px!important;top:-10000px!important;width:2px!important;height:2px!important;opacity:.001!important;pointer-events:none!important;z-index:-1!important}

#privateRoot{display:none;position:fixed;inset:0;overflow:auto;z-index:40;color:#fff;background:var(--night);isolation:isolate;scroll-behavior:auto}.heaven-bg{position:fixed;inset:0;z-index:-3;background:radial-gradient(circle at 50% -8%,#74456f 0%,#34213e 25%,#151525 56%,#080812 100%)}.heaven-bg:before,.heaven-bg:after{content:"";position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;animation:aurora 11s ease-in-out infinite alternate}.heaven-bg:before{width:55vw;height:55vw;left:-18vw;top:13vh;background:#f26d9d4f}.heaven-bg:after{width:62vw;height:62vw;right:-25vw;top:34vh;background:#648dff44;animation-delay:-5s}@keyframes aurora{to{transform:translate3d(6vw,-3vh,0) scale(1.12);opacity:.72}}.stars{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none}.star{position:absolute;width:3px;height:3px;border-radius:50%;background:#fff;opacity:.5;box-shadow:0 0 10px #fff;animation:twinkle var(--d,4s) ease-in-out infinite alternate}@keyframes twinkle{to{opacity:.12;transform:scale(.7)}}.heart-particle{position:fixed;bottom:-40px;color:#ffd8e5;opacity:.11;z-index:-1;animation:floatHeart var(--d,14s) linear infinite;font-size:var(--s,20px);pointer-events:none}@keyframes floatHeart{to{transform:translateY(-120vh) translateX(var(--x,30px)) rotate(24deg);opacity:0}}
.love-topbar{position:fixed;top:0;left:0;right:0;height:76px;padding:max(12px,env(safe-area-inset-top)) max(18px,env(safe-area-inset-right)) 10px max(18px,env(safe-area-inset-left));z-index:60;display:flex;align-items:center;gap:14px;background:linear-gradient(180deg,#0c0b16ec,#0c0b16b6 70%,transparent);backdrop-filter:blur(14px)}.brand-heart{width:43px;height:43px;border-radius:16px;background:linear-gradient(145deg,#ff9bbb,#c8a3ff);color:#231922;font-size:22px;box-shadow:0 10px 30px #ff9bbb2e}.couple-mini{display:flex;align-items:center;gap:9px;min-width:0}.mini-avatar,.author-avatar,.comment-avatar{background:linear-gradient(145deg,#5e405c,#2d2740);background-size:cover;background-position:center;display:grid;place-items:center;color:#ffe4ec;font-family:Georgia,serif;font-weight:700}.mini-avatar{width:34px;height:34px;border-radius:12px;border:1px solid #ffffff20}.couple-copy{min-width:0}.couple-copy strong{display:block;font-family:Georgia,serif;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.couple-copy strong span{color:#ff9bbb}.couple-copy small{display:block;color:#8f899b;font-size:9px;letter-spacing:.08em;margin-top:2px}.top-actions{margin-left:auto;display:flex;gap:8px}.soft-btn{height:38px;border-radius:13px;padding:0 13px;background:#ffffff0d;border:1px solid #ffffff17;color:#c9c5d0;font-size:11px;font-weight:750}.soft-btn.recording{color:#ffb3c8;border-color:#ff8fb73b}.love-app{width:min(1180px,100%);margin:0 auto;padding:84px 22px 130px}.love-page{animation:pageIn .45s ease both}@keyframes pageIn{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:none}}
.home-hero{text-align:center;padding:62px 18px 42px}.hero-profiles{display:flex;justify-content:center;align-items:center;margin-bottom:26px}.hero-avatar,.profile-photo{background:linear-gradient(145deg,#764765,#3e345d);background-size:cover;background-position:center;border:1px solid #ffffff25;box-shadow:0 18px 55px #0006;display:grid;place-items:center;font-family:Georgia,serif;color:#ffeaf1}.hero-avatar{width:78px;height:78px;border-radius:28px;font-size:28px}.heart-link{display:flex;align-items:center;margin:0 -2px;position:relative}.heart-link i{width:58px;height:1px;background:linear-gradient(90deg,#ffffff08,#ffb1c9,#ffffff08)}.heart-link span{position:absolute;left:50%;transform:translateX(-50%);color:#ff9bbb;text-shadow:0 0 25px #ff89b3;font-size:23px}.eyebrow,.page-hero>span,.section-heading span,.memory-type,.main-song>div>span,.comments-head span,.attached-song span{font-size:10px;text-transform:uppercase;letter-spacing:.26em;font-weight:850;color:#e8bd8f}.home-hero h1,.page-hero h1{font-family:Georgia,"Times New Roman",serif;font-weight:500;letter-spacing:-.045em;line-height:1.02;text-shadow:0 12px 42px #0008}.home-hero h1{font-size:clamp(46px,8vw,86px);margin:15px 0 8px}.home-hero h2{font-family:Georgia,serif;font-weight:400;font-style:italic;color:#f5dbe4;font-size:clamp(18px,3vw,27px);margin:0 0 16px}.home-hero>p{max-width:740px;margin:0 auto;color:#c7c3cf;font-size:16px;line-height:1.8}.hero-actions{margin-top:28px;display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.love-primary,.love-secondary{border-radius:999px;padding:13px 20px;font-size:12px;font-weight:800}.love-primary{background:linear-gradient(135deg,#ff9cba,#c9a6ff);color:#271d27;box-shadow:0 15px 45px #ff8fb728}.love-secondary{background:#ffffff0c;border:1px solid #ffffff1c;color:#efeaf2}.home-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:790px;margin:0 auto 40px}.home-stats button{padding:16px;border-radius:20px;background:#ffffff09;border:1px solid #ffffff15;color:#fff;backdrop-filter:blur(12px)}.home-stats b{display:block;font-family:Georgia,serif;font-size:29px;font-weight:500}.home-stats span{font-size:10px;color:#aaa5b2;text-transform:uppercase;letter-spacing:.13em}.love-section{margin-top:30px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:18px}.section-heading h2{margin:5px 0 0;font-family:Georgia,serif;font-weight:500;font-size:30px}.section-heading button{background:transparent;color:#d8b4c0;font-size:12px}.memory-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.memory-card{position:relative;border-radius:26px;overflow:hidden;border:1px solid #ffffff19;background:linear-gradient(145deg,#ffffff12,#ffffff08);box-shadow:0 20px 55px #0005;backdrop-filter:blur(18px);cursor:pointer;transition:transform .22s,border-color .22s}.memory-card:hover{transform:translateY(-5px);border-color:#ffffff32}.memory-cover{height:150px;position:relative;display:grid;place-items:center;background:radial-gradient(circle at 50% 20%,#4f365a,#171624);background-size:cover;background-position:center}.memory-cover>span{font-size:40px;filter:drop-shadow(0 12px 25px #0005)}.memory-cover.ready>span{opacity:.16}.memory-cover em{position:absolute;right:12px;top:12px;width:28px;height:28px;border-radius:10px;background:#0b0a12bb;border:1px solid #ffffff20;display:grid;place-items:center;font-style:normal;font-size:12px}.memory-body{padding:18px}.memory-type{font-size:9px}.memory-card h3{font-family:Georgia,serif;font-weight:500;font-size:24px;margin:7px 0 8px}.memory-card p{color:#bcb8c6;font-size:13px;line-height:1.65;margin:0 0 15px;min-height:43px}.author-badge{display:flex;align-items:center;gap:9px;margin:13px 0}.author-avatar{width:32px;height:32px;border-radius:11px;background-size:cover;background-position:center}.author-badge span{display:block;color:#85808e;font-size:9px}.author-badge strong{font-size:11px;color:#ddd7e2}.open-line{padding-top:12px;border-top:1px solid #ffffff0f;font-size:11px;color:#e1becb;display:flex;justify-content:space-between}.quote-panel{max-width:850px;margin:54px auto;padding:32px;text-align:center;border-top:1px solid #ffffff15;border-bottom:1px solid #ffffff15}.quote-panel>span{display:block;font-family:Georgia,serif;font-size:54px;height:36px;color:#ff9bbb}.quote-panel p{font-family:Georgia,serif;font-style:italic;font-size:clamp(23px,4vw,34px);line-height:1.5;margin:8px 0;color:#f4e8ed}.quote-panel small{color:#b99aa6}.home-gallery,.gallery-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.gallery-tile{text-align:left;color:#fff;background:#ffffff09;border:1px solid #ffffff15;border-radius:22px;overflow:hidden}.gallery-photo{height:150px;background:radial-gradient(circle at 50% 20%,#4a3b56,#171721);background-size:cover;background-position:center;display:grid;place-items:center}.gallery-photo span{font-size:32px;color:#f6ccd8}.gallery-photo.ready span{opacity:.15}.gallery-tile>div:last-child{padding:13px}.gallery-tile strong{display:block;font-family:Georgia,serif;font-size:17px}.gallery-tile small{display:block;color:#9f9aa8;margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.page-hero{text-align:center;padding:44px 16px 18px}.page-hero.small{max-width:760px;margin:0 auto}.page-hero h1{font-size:clamp(42px,6vw,66px);margin:11px 0}.page-hero p{color:#b6b2c0;line-height:1.7}.page-icon,.detail-orbit{width:64px;height:64px;border-radius:23px;display:grid;place-items:center;margin:10px auto 18px;background:linear-gradient(145deg,#ffffff18,#ffffff09);border:1px solid #ffffff1c;font-size:28px}.back-love{display:inline-flex;background:#ffffff0b;border:1px solid #ffffff15;border-radius:999px;padding:9px 13px;color:#bbb5c2;font-size:11px}.collection-section{margin-top:10px}.empty-love{grid-column:1/-1;text-align:center;padding:42px 20px;border:1px dashed #ffffff20;border-radius:24px;color:#aaa5b3}.empty-love>div{font-size:32px;color:#f3b9ca}.empty-love h3{font-family:Georgia,serif;font-size:22px;font-weight:500;color:#f2edf4;margin:10px 0 5px}.empty-love p{margin:0;font-size:12px}.center{text-align:center;margin-top:12px}
.music-room{max-width:930px;margin:20px auto}.main-song{display:grid;grid-template-columns:1fr 1.35fr;gap:20px;align-items:center;padding:25px;border-radius:28px;border:1px solid #ffffff18;background:linear-gradient(145deg,#5e365247,#343a6652);box-shadow:0 25px 70px #0005}.main-song h2{font-family:Georgia,serif;font-weight:500;font-size:32px;margin:7px 0}.main-song p{color:#b7b2c0}.youtube-frame{position:relative;aspect-ratio:16/9;border-radius:20px;overflow:hidden;background:#090910;border:1px solid #ffffff16;box-shadow:0 18px 50px #0006}.youtube-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.song-list{display:grid;gap:9px;margin-top:18px}.song-list button{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:12px;text-align:left;background:#ffffff09;border:1px solid #ffffff15;color:#fff;border-radius:18px;padding:11px 14px}.song-list button>span{font-size:22px}.song-list b{display:block}.song-list small{color:#918c9a}.song-list i{font-style:normal;color:#e5b3c5}.music-dock{position:fixed;left:18px;bottom:94px;z-index:65}.music-pill{display:flex;align-items:center;gap:10px;max-width:260px;color:#fff;background:#100e19de;border:1px solid #ffffff19;border-radius:18px;padding:9px 12px;backdrop-filter:blur(18px);box-shadow:0 16px 40px #0006;text-align:left}.music-pill>span{width:30px;height:30px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(145deg,#ff91b5,#a99bff);color:#241a24}.music-pill b{display:block;max-width:160px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:11px}.music-pill small{display:block;color:#86818e;font-size:9px;margin-top:2px}.music-pill i{font-style:normal;color:#f0b7c8}
.detail-page{max-width:900px;margin:20px auto 0;border-radius:34px;border:1px solid #ffffff19;background:linear-gradient(145deg,#ffffff11,#ffffff07);padding:28px;box-shadow:0 25px 80px #0007;backdrop-filter:blur(22px)}.detail-back{margin-bottom:10px}.detail-media{height:min(56vw,440px);border-radius:26px;margin:18px 0 24px;background:radial-gradient(circle at 50% 20%,#593d61,#171620);background-size:cover;background-position:center;display:grid;place-items:center}.detail-media span{font-size:60px;color:#f3ccd8}.detail-media.ready span{opacity:.12}.detail-copy{max-width:760px;margin:0 auto}.detail-copy h1{font-family:Georgia,serif;font-weight:500;font-size:clamp(39px,6vw,62px);line-height:1.08;margin:7px 0 16px}.letter-body{font-family:Georgia,"Times New Roman",serif;color:#eee5eb;font-size:19px;line-height:1.9;padding:25px 0;border-top:1px solid #ffffff13}.attached-song{display:grid;grid-template-columns:.8fr 1.3fr;gap:18px;align-items:center;padding:18px;border-radius:22px;background:#0b0a12aa;border:1px solid #ffffff16;margin:16px 0 24px}.attached-song h3{font-family:Georgia,serif;font-weight:500;font-size:24px;margin:5px 0}.youtube-frame.compact{border-radius:15px}.reaction-box{border-top:1px solid #ffffff13;border-bottom:1px solid #ffffff13;padding:18px 0}.reaction-row{display:flex;gap:8px;flex-wrap:wrap}.reaction-btn,.favorite-btn{height:42px;border-radius:15px;background:#ffffff0b;border:1px solid #ffffff15;color:#fff;padding:0 13px}.reaction-btn{font-size:20px}.reaction-btn.selected,.favorite-btn.selected{background:#ff96b91c;border-color:#ff9bbb61}.favorite-btn{margin-left:auto;color:#f0b9cb;font-size:11px;font-weight:800}.reaction-summary{display:flex;gap:8px;margin-top:10px;color:#9c97a5;font-size:10px}.reaction-summary span{background:#ffffff08;border-radius:999px;padding:5px 8px}.comments{padding:26px 0 4px}.comments-head h2{font-family:Georgia,serif;font-size:29px;font-weight:500;margin:5px 0 14px}.comment{display:grid;grid-template-columns:42px 1fr;gap:11px;padding:14px 0;border-top:1px solid #ffffff0e}.comment-avatar{width:42px;height:42px;border-radius:14px;background-size:cover;background-position:center}.comment-meta{display:flex;justify-content:space-between;gap:10px}.comment-meta strong{font-size:12px}.comment-meta span{color:#777280;font-size:9px}.comment p{margin:5px 0;color:#c9c3cd;line-height:1.65;font-size:13px}.comment-empty{padding:18px;border:1px dashed #ffffff17;border-radius:16px;color:#8f8996;text-align:center;font-size:12px}#commentForm{margin-top:15px}#commentForm textarea{width:100%;min-height:100px;resize:vertical;border:1px solid #ffffff18;border-radius:18px;background:#09091199;color:#fff;padding:14px;outline:0}#commentForm textarea:focus{border-color:#ff9bbb50;box-shadow:0 0 0 4px #ff9bbb0d}#commentForm button{margin-top:9px;border-radius:14px;background:linear-gradient(135deg,#ff98b8,#bca3ff);color:#251b25;padding:11px 15px;font-size:11px;font-weight:850}.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:850px;margin:25px auto}.profile-card{text-align:center;padding:28px;border-radius:28px;background:#ffffff0a;border:1px solid #ffffff16}.profile-photo{width:110px;height:110px;border-radius:35px;margin:0 auto 16px;font-size:34px}.profile-card>span{font-size:9px;text-transform:uppercase;letter-spacing:.2em;color:#d9aa84}.profile-card h2{font-family:Georgia,serif;font-size:31px;font-weight:500;margin:7px 0}.profile-card p{color:#aaa5b2;line-height:1.7}.heart-nav{position:fixed;z-index:70;left:50%;bottom:max(14px,env(safe-area-inset-bottom));transform:translateX(-50%);display:grid;grid-template-columns:repeat(3,62px) 66px repeat(3,62px);align-items:end;padding:8px 11px;border-radius:28px;background:#0f0d17df;border:1px solid #ffffff19;box-shadow:0 25px 70px #0008;backdrop-filter:blur(20px)}.nav-item{height:52px;background:transparent;color:#787381;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;border-radius:16px}.nav-item span{font-size:16px}.nav-item small{font-size:8px}.nav-item.active{color:#ffd4e1;background:#ffffff08}.nav-love{width:56px;height:56px;border-radius:20px 20px 27px 27px;background:linear-gradient(145deg,#ff8fb7,#c6a3ff);color:#281d28;font-size:24px;box-shadow:0 13px 35px #ff8fb738;transform:translateY(-9px)}.love-toast{position:fixed;left:50%;bottom:108px;z-index:90;transform:translate(-50%,14px);opacity:0;pointer-events:none;background:#17131fef;border:1px solid #ffffff1d;color:#eee7ef;padding:11px 15px;border-radius:14px;font-size:11px;box-shadow:0 15px 40px #0007;transition:.2s}.love-toast.show{opacity:1;transform:translate(-50%,0)}.private-loading,.detail-loading{text-align:center;color:#c7c1cc;padding:100px 20px}
.style-rose{background:linear-gradient(145deg,#7a365344,#ffffff0a)}.style-aurora{background:linear-gradient(145deg,#3b4c8650,#613b7044)}.style-starlight{background:linear-gradient(145deg,#3028427a,#1616259c)}.style-glass{background:linear-gradient(145deg,#ffffff16,#ffffff07)}.style-paper{background:linear-gradient(145deg,#71564a3d,#2a22264f)}.style-midnight{background:linear-gradient(145deg,#1a2246aa,#0d0d17)}.anim-float{animation:cardFloat 5s ease-in-out infinite}@keyframes cardFloat{50%{transform:translateY(-6px)}}.anim-glow{animation:cardGlow 4s ease-in-out infinite alternate}@keyframes cardGlow{to{box-shadow:0 25px 75px #f7a6c52e,0 0 0 1px #f4c4d51a}}.anim-heartbeat{animation:gentleBeat 4.5s ease-in-out infinite}@keyframes gentleBeat{45%,55%{transform:scale(1.012)}}.anim-shimmer:after{content:"";position:absolute;inset:-30%;background:linear-gradient(110deg,transparent 42%,#fff2 50%,transparent 58%);transform:translateX(-60%);animation:shimmer 6s ease-in-out infinite}@keyframes shimmer{55%,100%{transform:translateX(60%)}}.anim-reveal{animation:revealUp .8s ease both}@keyframes revealUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@media(max-width:920px){.memory-grid{grid-template-columns:repeat(2,1fr)}.home-gallery,.gallery-wall{grid-template-columns:repeat(2,1fr)}.heart-nav{grid-template-columns:repeat(3,52px) 58px repeat(3,52px)}.main-song,.attached-song{grid-template-columns:1fr}}
@media(max-width:680px){.love-topbar{height:68px;padding-inline:10px}.couple-mini .mini-avatar:last-child{display:none}.couple-copy small{display:none}.soft-btn{padding:0 9px}.love-app{padding:72px 12px 122px}.home-hero{padding:43px 8px 28px}.hero-avatar{width:66px;height:66px;border-radius:23px}.home-stats{grid-template-columns:repeat(2,1fr)}.memory-grid{grid-template-columns:1fr}.home-gallery,.gallery-wall{grid-template-columns:repeat(2,1fr);gap:8px}.gallery-photo{height:125px}.section-heading{align-items:flex-start}.section-heading h2{font-size:26px}.heart-nav{left:8px;right:8px;transform:none;bottom:max(8px,env(safe-area-inset-bottom));grid-template-columns:repeat(7,1fr);padding:7px 6px;border-radius:23px}.nav-love{width:48px;height:48px;border-radius:17px;margin:auto}.nav-item{height:45px}.nav-item small{font-size:7px}.music-dock{left:10px;bottom:82px}.music-pill{max-width:220px}.detail-page{padding:18px 14px;border-radius:26px}.detail-media{height:56vw;border-radius:21px}.detail-copy h1{font-size:39px}.letter-body{font-size:18px}.favorite-btn{margin-left:0}.profile-grid{grid-template-columns:1fr}.main-song{padding:18px}.page-hero{padding-top:28px}}
@media(max-width:440px){body{padding:0}.app{border:0;border-radius:0;min-height:100dvh;width:100%}.calc{padding:18px 16px 20px}.display{min-height:145px}.result{font-size:45px}.grid{gap:9px}.key{height:64px;border-radius:18px}.functions{gap:7px}.func{height:35px}#securityRoot{padding:10px}.security{padding:22px 18px;border-radius:24px}.home-hero h1{font-size:46px}.gallery-wall,.home-gallery{grid-template-columns:1fr 1fr}.memory-cover{height:145px}.top-actions .soft-btn:first-child{max-width:108px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}}
.couple-mini{border:0;background:transparent;color:#fff;text-align:left;padding:0}.couple-mini:hover .couple-copy strong{color:#ffe1ea}

/* ===== Phase 2 v7 additions ===== */
.ui-icon{width:20px;height:20px;display:block;object-fit:contain;color:currentColor}.brand-heart .ui-icon,.nav-love .ui-icon{width:28px;height:28px}.nav-item .ui-icon{width:18px;height:18px;filter:brightness(.76)}.nav-item.active .ui-icon{filter:none}.security-icon{width:48px;height:48px}.security-rules{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0 18px}.security-rules span{display:flex;gap:7px;align-items:center;padding:10px;border:1px solid #ffffff18;border-radius:14px;background:#ffffff08;color:#a9a4b1;font-size:10px}.security-rules .ui-icon{width:16px;height:16px}.icon-soft{width:42px!important;padding:0!important;display:grid!important;place-items:center;position:relative}.unread-dot{position:absolute;right:-3px;top:-4px;min-width:18px;height:18px;padding:0 4px;border-radius:9px;background:#ff8fb7;color:#241826;font-size:9px;display:grid;place-items:center}.cover-icon{width:52px;height:52px;opacity:.78}.gift-art{width:78%;height:78%;object-fit:contain;filter:drop-shadow(0 18px 22px #0005)}.memory-cover em .ui-icon{width:15px;height:15px}.hero-heart{width:42px;height:42px;filter:drop-shadow(0 7px 18px #ff8fb74f)}.bond-line{display:inline-block;width:13px;height:1px;background:#e6a9bc;vertical-align:middle;margin:0 5px}.mini-create{margin-top:16px}.create-showcase{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px;border:1px solid #ffffff16;background:linear-gradient(145deg,#b17dff1e,#ff91b61a);border-radius:26px}.create-showcase>div{max-width:650px}.showcase-icon{width:34px;height:34px;margin-bottom:10px}.create-showcase h2{font-family:Georgia,serif;font-size:30px;font-weight:500;margin:6px 0}.create-showcase p{color:#a9a4b1;line-height:1.7}.creator-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;max-width:930px;margin:22px auto}.creator-choice{display:grid;grid-template-columns:90px 1fr;gap:16px;align-items:center;text-align:left;padding:20px;border-radius:25px;background:linear-gradient(145deg,#ffffff10,#ffffff07);border:1px solid #ffffff18;color:#fff;min-height:150px}.creator-choice:hover{transform:translateY(-3px);border-color:#ffb2ca44}.creator-icon{width:58px;height:58px;margin:auto}.creator-gift{width:92px;height:92px;object-fit:contain}.creator-choice span{font-size:9px;text-transform:uppercase;letter-spacing:.18em;color:#e8b7c7}.creator-choice h2{font:500 27px/1.1 Georgia,serif;margin:6px 0}.creator-choice p{margin:0;color:#9e99a6;line-height:1.55}.creation-form{max-width:820px;margin:20px auto;padding:24px;border:1px solid #ffffff18;border-radius:28px;background:#0d0b14b8;backdrop-filter:blur(20px)}.creation-form .field input,.creation-form .field textarea,.creation-form .field select{width:100%;background:#080811b5;color:#fff;border:1px solid #ffffff18;border-radius:15px;padding:12px;outline:none}.creation-form textarea{min-height:160px;resize:vertical}.creation-actions{display:flex;gap:10px;margin-top:18px}.creation-status{margin-top:10px;color:#c7b0bc;font-size:11px}.owner-tools{display:flex;gap:10px;margin:14px 0 18px;padding:12px;border:1px solid #ffffff13;border-radius:18px;background:#ffffff07}.tool-btn{display:flex;align-items:center;gap:7px;background:#ffffff0b;border:1px solid #ffffff15;color:#fff;border-radius:13px;padding:10px 13px}.tool-btn .ui-icon{width:17px;height:17px}.tool-btn.danger{color:#ffc0c8}.detail-gift-art{display:grid;place-items:center;min-height:310px}.detail-gift-art img{width:min(360px,70vw);filter:drop-shadow(0 28px 35px #0006)}.comment-tools{display:flex;gap:8px;margin-top:6px}.comment-tools button{font-size:9px;color:#bbaeba;background:transparent;border:0;padding:0}.timeline{max-width:850px;margin:20px auto;display:grid;gap:12px}.timeline button{display:grid;grid-template-columns:56px 1fr;gap:14px;text-align:left;background:#ffffff08;border:1px solid #ffffff13;color:#fff;padding:16px;border-radius:20px}.timeline button>span{width:50px;height:50px;border-radius:16px;background:#ffffff08;display:grid;place-items:center}.timeline .ui-icon{width:27px;height:27px}.timeline small{color:#a097a6;font-size:9px}.timeline strong{display:block;font:500 21px Georgia,serif;margin:3px 0}.timeline p{margin:0;color:#98929f}.notification-list{max-width:820px;margin:20px auto;display:grid;gap:10px}.notification{display:grid;grid-template-columns:42px 1fr;gap:13px;padding:16px;border:1px solid #ffffff13;border-radius:19px;background:#ffffff07}.notification.unread{border-color:#ff9dbc44;background:#ff94b70c}.notification>.ui-icon{width:30px;height:30px}.notification small{color:#8d8794}.notification h3{margin:3px 0 4px}.notification p{margin:0;color:#9b95a2}.notification button{margin-top:8px;background:transparent;color:#efb9cb;border:0;padding:0}.empty-icon{width:36px;height:36px;margin:auto}.privacy-shield{position:fixed;inset:0;z-index:9999;background:rgba(5,4,9,.96);backdrop-filter:blur(36px);display:grid;place-items:center;opacity:0;pointer-events:none;transition:.18s}.privacy-shield.show{opacity:1;pointer-events:auto}.privacy-card{text-align:center;max-width:430px;padding:30px}.privacy-icon{width:62px;height:62px;margin:0 auto 15px}.privacy-card h2{font:500 34px Georgia,serif;margin:0 0 9px}.privacy-card p{color:#aaa4b1;line-height:1.65}.privacy-pulse{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:17px;color:#d5cbd4;font-size:10px}.privacy-pulse i{width:8px;height:8px;border-radius:50%;background:#ff8fb7;box-shadow:0 0 0 0 #ff8fb766;animation:privacyPulse 1.5s infinite}@keyframes privacyPulse{70%{box-shadow:0 0 0 10px #ff8fb700}}
@media(max-width:680px){.security-rules{grid-template-columns:1fr}.creator-grid{grid-template-columns:1fr}.creator-choice{grid-template-columns:76px 1fr}.creator-gift{width:75px;height:75px}.create-showcase{align-items:flex-start;flex-direction:column}.creation-form{padding:17px}.owner-tools{flex-wrap:wrap}}


/* ===== v7.1 Premium Stable Romantic UX ===== */
html,body{overflow-x:hidden}
#privateRoot{scroll-behavior:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;background:#080812}
.love-page{animation:routeFade .24s ease both;overflow-anchor:none}@keyframes routeFade{from{opacity:.02}to{opacity:1}}
/* Motion is now glow/opacity based. Whole cards do not continuously move, preventing mobile jitter. */
.heaven-bg:before,.heaven-bg:after{animation:ambientBreath 9s ease-in-out infinite alternate;transform:none!important;will-change:opacity}@keyframes ambientBreath{from{opacity:.36}to{opacity:.58}}
.star{animation:starBreath var(--d,5s) ease-in-out infinite alternate;transform:none!important;will-change:opacity}@keyframes starBreath{from{opacity:.18}to{opacity:.62}}
.memory-card,.creator-choice,.home-stats button,.profile-card,.gallery-tile,.timeline button{transform:none!important;will-change:auto;backface-visibility:hidden;contain:paint}
.memory-card{transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;min-height:100%}.memory-card:hover{transform:none!important;border-color:#ffffff2c;box-shadow:0 24px 58px #0005,0 0 0 1px #ff9fbd12}
.creator-choice:hover{transform:none!important;border-color:#ffb2ca44;box-shadow:0 20px 52px #0004}
.anim-float,.anim-heartbeat{animation:softCardGlow 5.2s ease-in-out infinite alternate!important}.anim-glow{animation:softCardGlow 4.4s ease-in-out infinite alternate!important}@keyframes softCardGlow{from{box-shadow:0 18px 46px #0003}to{box-shadow:0 22px 62px #f7a6c525,0 0 0 1px #f4c4d512}}
.hero-heart{animation:heartLight 3.4s ease-in-out infinite alternate;transform:none!important}@keyframes heartLight{from{filter:drop-shadow(0 6px 12px #ff8fb72c)}to{filter:drop-shadow(0 8px 25px #ff8fb773)}}
.love-primary,.love-secondary,.soft-btn,.nav-item,.nav-love,.home-music-toggle{transition:background .2s ease,border-color .2s ease,box-shadow .2s ease,opacity .2s ease,filter .2s ease;transform:none!important}.love-primary:hover,.home-music-toggle:hover{filter:brightness(1.07);box-shadow:0 16px 45px #ff8fb72c}.love-primary:active,.love-secondary:active,.soft-btn:active,.nav-item:active,.nav-love:active,.home-music-toggle:active{transform:none!important;opacity:.82}
/* Only one visible control for the main soundtrack: Home play/pause icon. */
.home-music-toggle{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;padding:0;background:#ffffff0a;border:1px solid #ffffff20;box-shadow:0 12px 32px #0004}.home-music-icon{width:43px;height:43px}.ambient-youtube{position:fixed!important;left:-9999px!important;top:-9999px!important;width:2px!important;height:2px!important;opacity:.001!important;border:0!important;pointer-events:none!important}
.music-dock{display:none!important}.youtube-frame{display:none!important}.soundtrack-note{max-width:820px;margin:20px auto 26px;display:grid;grid-template-columns:62px 1fr;gap:16px;align-items:center;padding:20px;border:1px solid #ffffff15;border-radius:24px;background:linear-gradient(145deg,#ffffff0d,#ffffff06)}.soundtrack-icon{width:34px;height:34px}.soundtrack-note span{font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:#e8bd8f}.soundtrack-note h2{margin:4px 0;font:500 28px Georgia,serif}.soundtrack-note p{margin:0;color:#9f99a6;line-height:1.5}
/* Gifts are visually and semantically sealed until the user opens them. */
.gift-sealed-card .memory-cover{background:radial-gradient(circle at 50% 35%,#ffb0c421,#ffffff06 48%,#0000 70%)}.gift-sealed-card .memory-body p{min-height:42px}.gift-art.sealed{width:72%;height:72%;filter:drop-shadow(0 20px 25px #0006)}
.gift-seal-page{min-height:min(720px,calc(100dvh - 150px));display:grid;align-items:center}.sealed-gift-stage{position:relative;min-height:560px;display:grid;place-items:center;text-align:center;overflow:hidden}.sealed-halo{position:absolute;width:min(460px,82vw);aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,#ff9cbb24 0,#ae8cff17 38%,transparent 68%);animation:sealedGlow 4s ease-in-out infinite alternate}@keyframes sealedGlow{from{opacity:.55}to{opacity:1}}.sealed-gift-image{position:relative;width:min(330px,68vw);filter:drop-shadow(0 34px 40px #0008);transition:opacity .45s ease,filter .45s ease}.sealed-copy{position:relative;max-width:590px;padding:0 18px}.sealed-copy>span{text-transform:uppercase;letter-spacing:.23em;font-size:9px;color:#e8bd8f}.sealed-copy h1{font:500 clamp(37px,7vw,60px)/1.02 Georgia,serif;margin:10px 0}.sealed-copy p{color:#aaa4b1;line-height:1.7}.open-gift-btn{margin-top:19px;padding:14px 24px;border-radius:999px;background:linear-gradient(135deg,#ff9cba,#c9a6ff);color:#281d27;font-weight:800;box-shadow:0 16px 46px #ff8fb72b}.sealed-gift-stage.opening .sealed-gift-image{animation:giftOpenMoment .7s cubic-bezier(.22,.76,.28,1) both}@keyframes giftOpenMoment{0%{opacity:1;filter:drop-shadow(0 34px 40px #0008)}55%{opacity:1;filter:drop-shadow(0 40px 60px #ff9fbd4d)}100%{opacity:.18;filter:drop-shadow(0 50px 70px #ff9fbd66)}}.sealed-gift-stage.opening .sealed-copy{animation:giftCopyOut .5s ease both}@keyframes giftCopyOut{to{opacity:0}}
.gift-revealed{animation:giftRevealPage .42s ease both}@keyframes giftRevealPage{from{opacity:.15}to{opacity:1}}.detail-gift-art.opened img{width:min(370px,72vw);filter:drop-shadow(0 28px 36px #0007)}
.attached-song-minimal{display:flex;gap:12px;align-items:center;margin:18px 0;padding:13px 15px;border:1px solid #ffffff14;border-radius:17px;background:#ffffff07}.attached-song-minimal .ui-icon{width:24px;height:24px}.attached-song-minimal span{display:block;color:#8f8997;font-size:10px}.attached-song-minimal strong{display:block;margin-top:2px;color:#f1eaf2}
.reaction-row{gap:7px;flex-wrap:wrap}.reaction-btn{min-width:70px;display:flex;align-items:center;justify-content:center;gap:5px;padding:9px 10px!important}.reaction-svg{width:17px;height:17px}.reaction-btn small{font-size:8px;color:#a9a2ae}.reaction-btn.selected{border-color:#ff9fbd55!important;background:#ff9fbd12!important}.reaction-summary span{display:inline-flex;gap:5px;align-items:center}.reaction-summary .reaction-svg{width:14px;height:14px}
.memory-cover,.gallery-photo,.detail-media{background-position:center;background-size:cover}.memory-cover.ready,.gallery-photo.ready,.detail-media.ready{animation:mediaFade .3s ease both}@keyframes mediaFade{from{opacity:.82}to{opacity:1}}
/* Mobile GPU stabilization: fixed blur layers are a common source of flicker. */
@media(max-width:680px){.love-topbar,.heart-nav,.creation-form,.home-stats button{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}.love-topbar{background:#0c0b16f5}.heart-nav{background:#13101cf7}.heaven-bg:before,.heaven-bg:after{filter:blur(48px);animation:none;opacity:.42}.stars .star:nth-child(n+22){display:none}.sealed-gift-stage{min-height:500px}.soundtrack-note{grid-template-columns:48px 1fr}.reaction-btn{min-width:61px;padding:8px!important}.reaction-btn small{display:none}}
@media(prefers-reduced-motion:reduce){.sealed-halo,.hero-heart,.anim-float,.anim-heartbeat,.anim-glow{animation:none!important}}

/* ===== v7.2 Interaction Hotfix ===== */
.heart-nav{transition:bottom .28s cubic-bezier(.22,.7,.25,1),opacity .2s ease,box-shadow .2s ease}
.heart-nav.nav-hidden{bottom:-110px!important;opacity:0;pointer-events:none}
@media(max-width:680px){.heart-nav{transition:bottom .26s cubic-bezier(.22,.7,.25,1),opacity .18s ease}.heart-nav.nav-hidden{bottom:-100px!important}}