/* ===================================================================
   Prototype — romantic theme
   =================================================================== */
:root{
  --ink:#3b2b33;
  --ink-soft:#7c6470;
  --paper:#fffaf7;
  --pink:#e58aa8;
  --rose:#c9556f;
  --plum:#6b4a63;
  --gold:#d8a54b;
  --glass:rgba(255,255,255,.62);
  --line:rgba(160,110,130,.20);
  --shadow:0 18px 50px -22px rgba(122,60,86,.42);
  --radius:26px;
  --serif:"Playfair Display",Georgia,serif;
  --sans:"Be Vietnam Pro",system-ui,sans-serif;
  /* Allura: mảnh, thanh thoát. Đã kiểm tra có đủ dấu tiếng Việt.
     Caveat / Patrick Hand / Dancing Script đã bị loại vì lỗi dấu hoặc quá đậm. */
  --hand:"Allura",cursive;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;font-family:var(--sans);color:var(--ink);line-height:1.7;
  background:
    radial-gradient(1200px 700px at 12% -8%, #ffe3ec 0%, transparent 60%),
    radial-gradient(1000px 650px at 92% 4%, #f3e6ff 0%, transparent 58%),
    radial-gradient(900px 700px at 50% 108%, #fff2e0 0%, transparent 62%),
    #fdf7f5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.bg-orb{position:fixed;border-radius:50%;filter:blur(60px);opacity:.5;pointer-events:none;z-index:0;animation:float 18s ease-in-out infinite}
.bg-orb--1{width:340px;height:340px;background:#ffb8cd;top:-90px;left:-70px}
.bg-orb--2{width:300px;height:300px;background:#c9b6ff;top:24%;right:-90px;animation-delay:-6s}
.bg-orb--3{width:380px;height:380px;background:#ffd9a8;bottom:-140px;left:26%;animation-delay:-12s}
@keyframes float{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(18px,-26px,0)}}
main{position:relative;z-index:1}

/* ---------- utilities ---------- */
.wrap{width:min(100% - 32px, 940px);margin-inline:auto}
.center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--glass);border:1px solid var(--line);font-size:.82rem;color:var(--ink-soft);backdrop-filter:blur(10px)}
.kicker{font-family:var(--serif);font-style:italic;color:var(--rose);letter-spacing:.02em}
h1,h2,h3{font-family:var(--serif);line-height:1.22;margin:0 0 .5em;font-weight:600}
.btn{
  appearance:none;border:0;cursor:pointer;font:inherit;font-weight:500;
  padding:13px 26px;border-radius:999px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
  background:linear-gradient(135deg,var(--pink),var(--rose));color:#fff;box-shadow:0 12px 26px -14px rgba(201,85,111,.9);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--ghost{background:var(--glass);color:var(--ink);border:1px solid var(--line);box-shadow:none;backdrop-filter:blur(10px)}
.btn--line{background:transparent;color:var(--ink-soft);border:1px dashed var(--line);box-shadow:none}
.card{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(16px)}

/* ---------- animated entrance ---------- */
.enter{animation:enter .6s cubic-bezier(.2,.8,.25,1) both}
@keyframes enter{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.stagger>*{animation:enter .55s cubic-bezier(.2,.8,.25,1) both}
.stagger>*:nth-child(1){animation-delay:.05s}
.stagger>*:nth-child(2){animation-delay:.13s}
.stagger>*:nth-child(3){animation-delay:.21s}
.stagger>*:nth-child(4){animation-delay:.29s}

/* ---------- photo (SmartImage) ---------- */
.photo{position:relative;margin:0;border-radius:20px;overflow:hidden;background:linear-gradient(135deg,#ffe0ea,#e7dcff);min-height:160px}
.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;animation:fadeIn .6s ease both}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.photo__fallback{position:absolute;inset:0;display:grid;place-items:center;padding:18px;text-align:center;font-size:.88rem;color:var(--ink-soft);background:repeating-linear-gradient(45deg,rgba(255,255,255,.5) 0 10px,rgba(255,255,255,0) 10px 20px)}
.photo figcaption,.photo__cap{position:absolute;left:0;right:0;bottom:0;padding:22px 14px 10px;font-size:.82rem;color:#fff;background:linear-gradient(transparent,rgba(50,25,35,.72));z-index:2}

/* =================== SCREEN: HOME =================== */
.home-hero{padding:clamp(56px,10vw,104px) 0 34px;text-align:center}
.home-hero h1{font-size:clamp(2rem,6.2vw,3.5rem);max-width:16ch;margin-inline:auto}
.home-hero .sub{max-width:44ch;margin-inline:auto;color:var(--ink-soft)}
.avatar{width:clamp(104px,26vw,148px);aspect-ratio:1;border-radius:50%;margin:0 auto 22px;border:5px solid rgba(255,255,255,.85);box-shadow:0 20px 44px -18px rgba(160,70,100,.55);position:relative;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover;display:block}
.parts{display:grid;grid-template-columns:repeat(auto-fit,minmax(272px,1fr));gap:22px;padding-bottom:70px}
.part{padding:0;overflow:hidden;display:flex;flex-direction:column;cursor:pointer;text-align:left;border:1px solid var(--line)}
.part:hover{transform:translateY(-4px);transition:transform .2s ease}
.part__img{aspect-ratio:16/9;background:linear-gradient(135deg,#ffd9e6,#e6dcff)}
.part__img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.part__body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:8px;flex:1}
.part__icon{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,#ffd6e4,#f0e4ff);font-size:1.15rem;color:var(--rose)}
.part h3{margin:6px 0 2px;font-size:1.32rem}
.part p{margin:0;color:var(--ink-soft);font-size:.94rem;flex:1}
.part__cta{margin-top:14px;font-weight:500;color:var(--rose);font-size:.93rem}
.footer{padding:36px 20px 54px;text-align:center;color:var(--ink-soft);font-size:.84rem}

/* =================== SCREEN: SEARCH (fake engine) =================== */
.engine{min-height:100dvh;display:flex;flex-direction:column}
.engine__bar{display:flex;align-items:center;gap:12px;padding:14px 20px;font-family:var(--serif);font-size:1.15rem;color:#6b4a63}
.engine__bar b{font-weight:600}
.engine__bar span{opacity:.55}
.engine__logo{text-align:center;padding:clamp(46px,11vh,110px) 20px 0}
.engine__logo .b{font-family:var(--serif);font-size:clamp(2.6rem,10vw,4.4rem);color:#6b4a63;letter-spacing:-.02em;display:block}
.engine__logo i{color:var(--pink)}
.engine__search{width:100%;margin:22px auto 0;max-width:620px;padding:0 16px;box-sizing:border-box}
.fake-input{
  width:100%;max-width:100%;box-sizing:border-box;
  border:1px solid var(--line);background:rgba(255,255,255,.86);border-radius:999px;
  padding:14px 18px;font:inherit;font-size:1rem;color:var(--ink);box-shadow:0 10px 30px -20px rgba(120,60,86,.8);
  display:flex;align-items:center;gap:10px;cursor:text;transition:box-shadow .2s,border-color .2s;text-align:left;
}
.fake-input input{min-width:0}
.fake-input:hover,.fake-input:focus-within{box-shadow:0 16px 40px -22px rgba(120,60,86,.95);border-color:var(--pink)}
.fake-input input{flex:1;border:0;outline:0;background:transparent;font:inherit}
.fake-input .ico{color:var(--rose)}
.engine__sub{max-width:52ch;margin:14px auto 0;font-size:.86rem;color:var(--ink-soft)}
.panel{width:100%;max-width:620px;margin:20px auto 0;padding:0 16px;box-sizing:border-box}
.panel__box{background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden;backdrop-filter:blur(14px)}
.panel__title{padding:12px 18px 8px;font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-soft)}
.panel__item{width:100%;display:flex;align-items:center;gap:14px;padding:13px 18px;background:none;border:0;font:inherit;color:var(--ink);cursor:pointer;text-align:left;transition:background .15s}
.panel__item:hover{background:rgba(255,220,232,.45)}
.panel__item .ico{color:var(--ink-soft);width:18px;text-align:center}
.panel__item small{display:block;color:var(--ink-soft);font-size:.78rem}
.locked{background:linear-gradient(135deg,rgba(255,215,230,.5),rgba(230,220,255,.5))}
.locked .ico{color:var(--rose)}
.locked b{font-weight:600}
.panel__item.is-read{background:rgba(226,247,236,.42)}
.panel__item.is-read .ico{color:#2f9e68;font-weight:700}
.panel__item.is-read b{color:#248253}
.panel__item.is-read small{color:#2f9e68}
.panel__item.is-locked{opacity:.45;cursor:not-allowed;filter:grayscale(.6)}
.panel__item.is-locked:hover{background:none}
/* nút quay về trang đầu — góc trái dưới */
.home-corner{
  position:fixed;left:16px;bottom:18px;z-index:45;
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 18px 11px 14px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(12px);color:var(--ink);
  font:inherit;font-size:.85rem;cursor:pointer;
  box-shadow:0 14px 30px -16px rgba(120,60,85,.7);
  transition:transform .26s cubic-bezier(.2,1.2,.4,1),box-shadow .26s ease,background .26s ease;
}
.home-corner__ico{
  display:grid;place-items:center;width:24px;height:24px;border-radius:50%;
  background:linear-gradient(135deg,#ffd6e4,#f0e4ff);color:var(--rose);font-size:.9rem;
  transition:transform .3s ease;
}
.home-corner:hover{transform:translateY(-4px) scale(1.03);background:rgba(255,255,255,.9);box-shadow:0 20px 38px -16px rgba(140,60,95,.8)}
.home-corner:hover .home-corner__ico{transform:translateX(-3px)}
.home-corner:active{transform:translateY(-1px)}
.home-corner:focus-visible{outline:3px solid rgba(201,85,111,.55);outline-offset:3px}
@media (max-width:420px){.home-corner{padding:10px 14px}.home-corner__txt{font-size:.78rem}}

.engine__foot{margin-top:auto;padding:26px 20px;color:var(--ink-soft);font-size:.8rem;text-align:center}

/* =================== SCREEN: STORY (fake webpage) =================== */
.fakewin{border-radius:18px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.win__chrome{display:flex;align-items:center;gap:10px;padding:10px 14px;background:#f6eef1;border-bottom:1px solid var(--line)}
.win__dots{display:flex;gap:6px}
.win__dots i{width:11px;height:11px;border-radius:50%;display:block;background:#e0c6d0}
.win__dots i:nth-child(1){background:#ffb3b3}.win__dots i:nth-child(2){background:#ffe0a3}.win__dots i:nth-child(3){background:#b8e6b0}
.win__url{flex:1;background:#fff;border-radius:999px;padding:5px 14px;font-size:.76rem;color:var(--ink-soft);border:1px solid var(--line);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.win__body{padding:clamp(22px,5vw,44px)}
.win__favicon{font-family:var(--serif);color:var(--rose)}
.win__body h1{font-size:clamp(1.6rem,4.6vw,2.4rem);margin-top:10px}
.win__meta{color:var(--ink-soft);font-size:.82rem;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:22px}
/* EB Garamond 400 italic — có đầy đủ dấu tiếng Việt, đã kiểm tra bằng cách đo glyph */
.article{
  max-width:62ch;
  font-family:"EB Garamond",Georgia,serif;
  font-style:italic;
  font-weight:400;
  font-size:clamp(1.24rem,3vw,1.48rem);
  line-height:1.8;
  color:#43343c;
}
/* tiêu đề trong bài: giữ serif đứng, chỉ đổi chữ nghiêng xuống cho nội dung */
.article h3{
  font-family:"EB Garamond",Georgia,serif;
  font-style:normal;font-weight:400;
  font-size:clamp(1.72rem,5vw,2.3rem);
  line-height:1.3;
  margin-top:1.6em;color:var(--plum);
}
.article .date{font-family:var(--sans);font-style:normal;font-size:.76rem;color:var(--ink-soft);letter-spacing:.05em;text-transform:uppercase}
/* khung hồng: cùng font nhưng KHÔNG in nghiêng để nổi bật khác đoạn thường */
.article blockquote{
  margin:1.6em 0;padding:18px 24px;border-left:3px solid var(--pink);
  background:rgba(255,226,236,.4);border-radius:0 14px 14px 0;
  font-family:"EB Garamond",Georgia,serif;
  font-style:normal;font-weight:400;
  font-size:1.14em;
  line-height:1.6;color:var(--plum);
}
/* =========================================================
   TRANG TRÍ CHUNG + HIỆU ỨNG LẤP LÁNH TOÀN WEBSITE
   ========================================================= */

/* =========================================================
   BACKGROUND TRANG TRÍ THÊM
   ========================================================= */
/* lưới chấm mờ phủ nền */
@keyframes gridDrift{
  0%{background-position:0 0,0 0}
  100%{background-position:34px 34px,34px 34px}
}
.grid-overlay{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    radial-gradient(circle,rgba(201,85,111,.13) 1.1px,transparent 1.2px),
    radial-gradient(circle,rgba(143,120,190,.10) 1.1px,transparent 1.2px);
  background-size:34px 34px,68px 68px;
  background-position:0 0,17px 17px;
  mask-image:radial-gradient(ellipse at 50% 40%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 40%,#000 0%,transparent 78%);
  animation:gridDrift 26s linear infinite;
}

/* dải sáng chạy chậm phía sau */
@keyframes ribbonSlide{
  0%{transform:translateX(-14%) rotate(-3deg)}
  50%{transform:translateX(14%) rotate(3deg)}
  100%{transform:translateX(-14%) rotate(-3deg)}
}
.bg-ribbon{
  position:fixed;left:-18%;right:-18%;height:190px;z-index:0;pointer-events:none;
  border-radius:50%;
  background:linear-gradient(90deg,transparent,rgba(255,214,232,.42),rgba(226,214,255,.36),transparent);
  filter:blur(28px);
}
.bg-ribbon--1{top:8%;animation:ribbonSlide 26s ease-in-out infinite}
.bg-ribbon--2{bottom:6%;height:230px;animation:ribbonSlide 34s ease-in-out infinite reverse}

/* cánh hoa rơi */
@keyframes petalFall{
  0%{transform:translate3d(0,-8vh,0) rotate(0deg);opacity:0}
  10%{opacity:.75}
  100%{transform:translate3d(var(--dx,40px),108vh,0) rotate(var(--dr,540deg));opacity:0}
}
.petal-field{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.petal-field i{
  position:absolute;top:0;font-size:var(--ps,15px);opacity:.55;
  animation:petalFall var(--pd,15s) linear var(--pdl,0s) infinite;
  will-change:transform,opacity;
}

/* =========================================================
   NÚT ẤN — hiệu ứng đầy đủ
   ========================================================= */
/* ===== NÚT: chỉ nổi lên + đổ bóng khi rê chuột ===== */
.btn{
  position:relative;
  transition:transform .28s cubic-bezier(.2,1.2,.4,1),
             box-shadow .28s ease,
             filter .28s ease,
             background .28s ease;
}
@media (hover:hover){
  .btn:hover{
    transform:translateY(-6px) scale(1.04);
    box-shadow:0 26px 44px -16px rgba(201,85,111,.95);
    filter:saturate(1.14) brightness(1.04);
  }
  .btn--ghost:hover{background:rgba(255,255,255,.9)}
  .btn--line:hover{background:rgba(255,240,246,.7);border-color:var(--rose);color:var(--rose)}
  .btn:active{transform:translateY(-1px) scale(.985)}
}
.btn:focus-visible{outline:3px solid rgba(201,85,111,.6);outline-offset:4px}

/* nút hồng trong panel (chuyển tiếp) */
.panel__item:hover{transform:translateX(4px)}

/* nút chữ trên thanh trên cùng */
.bar button{transition:background .2s ease,transform .2s ease,color .2s ease}
@media (hover:hover){.bar button:hover{transform:translateY(-1px)}}

/* ô nhập có nhịp thở nhẹ */
.fake-input{animation:breathe 5.4s ease-in-out infinite}
@keyframes breathe{0%,100%{box-shadow:0 10px 30px -20px rgba(120,60,86,.8)}50%{box-shadow:0 14px 38px -20px rgba(160,70,100,.95)}}

/* to-top: xoay nhẹ khi hiện */
@keyframes popUp{from{opacity:0;transform:translateY(10px) scale(.9)}to{opacity:1;transform:none}}
.to-top.on{animation:popUp .34s cubic-bezier(.2,1.3,.4,1)}
@media (hover:hover){.to-top:hover{transform:translateY(-3px) rotate(8deg)}}

/* ===== pháo giấy + nắm đấm ===== */
.burst{position:fixed;z-index:80;pointer-events:none;will-change:transform,opacity}

@keyframes punchShake{
  0%,100%{transform:translateX(0)}
  15%{transform:translateX(-11px) rotate(-3deg)}
  30%{transform:translateX(9px) rotate(2.5deg)}
  45%{transform:translateX(-7px) rotate(-2deg)}
  60%{transform:translateX(5px) rotate(1.5deg)}
  80%{transform:translateX(-3px)}
}
.punch{animation:punchShake .6s cubic-bezier(.36,.07,.19,.97) both;position:relative}

@keyframes punchPop{
  0%{transform:translate(-50%,-50%) scale(.3) rotate(-30deg);opacity:0}
  45%{transform:translate(-50%,-50%) scale(1.35) rotate(8deg);opacity:1}
  70%{transform:translate(-50%,-50%) scale(1) rotate(0)}
  100%{transform:translate(-50%,-90%) scale(.9);opacity:0}
}
.punch__fx{
  position:absolute;top:50%;left:50%;z-index:6;
  font-size:2.6rem;pointer-events:none;
  animation:punchPop .88s cubic-bezier(.2,1.2,.4,1) forwards;
  filter:drop-shadow(0 6px 10px rgba(150,40,70,.5));
}
.punch__fx::after{
  content:"💢";position:absolute;top:-14px;left:-16px;font-size:1.7rem;
  animation:fxBurst .88s ease-out forwards;
}
@keyframes fxBurst{
  0%{transform:scale(.2);opacity:0}
  40%{transform:scale(1.2);opacity:1}
  100%{transform:scale(2.2);opacity:0}
}

/* biểu tượng rải rác trong bài */
.a-glyphs{position:absolute;inset:0;pointer-events:none;z-index:0}
.a-glyphs span{position:absolute;font-family:var(--serif);line-height:1;transition:opacity .3s ease}
.article{position:relative}
.article>*{position:relative;z-index:1}

/* --- nền có hạt lấp lánh rất nhẹ --- */
@keyframes twinkle{
  0%,100%{opacity:.12;transform:scale(.7)}
  50%{opacity:.85;transform:scale(1)}
}
.sparkle-field{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.sparkle-field i{
  position:absolute;border-radius:50%;background:#fff;
  box-shadow:0 0 6px 1px rgba(255,224,238,.9);
  animation:twinkle 4s ease-in-out infinite;
}

/* --- nhãn dán bay quanh --- */
@keyframes floatSticker{
  0%,100%{transform:translateY(0) rotate(var(--rot,0deg))}
  50%{transform:translateY(-16px) rotate(calc(var(--rot,0deg) + 9deg))}
}
@keyframes driftSway{
  0%,100%{transform:translateX(0) translateY(0) rotate(var(--rot,0deg))}
  33%{transform:translateX(8px) translateY(-9px) rotate(calc(var(--rot,0deg) + 6deg))}
  66%{transform:translateX(-7px) translateY(-5px) rotate(calc(var(--rot,0deg) - 7deg))}
}

/* --- vòng hào quang chạy quanh phần tử --- */
@keyframes spinSlow2{to{transform:rotate(360deg)}}

/* --- nhãn dán cho card ở trang mở đầu --- */
.part{position:relative}

/* --- nhãn dán cho ô tìm kiếm --- */
.panel__box{position:relative}
.panel__box::after{
  content:"🔍";position:absolute;top:-14px;right:16px;font-size:1.15rem;
  animation:driftSway 5.2s ease-in-out infinite;pointer-events:none;
}
.panel__item .ico{transition:transform .2s ease}
@media (hover:hover){.panel__item:hover .ico{transform:scale(1.25)}}

/* --- mũi tên nhấp nháy cho nút chính --- */
@keyframes nudge{0%,100%{transform:translateX(0)}50%{transform:translateX(3px)}}
.btn .nudge{display:inline-block;animation:nudge 1.6s ease-in-out infinite}

/* --- trái tim đập trên trang chủ --- */
@keyframes beat2{0%,100%{transform:scale(1)}16%{transform:scale(1.2)}34%{transform:scale(1)}52%{transform:scale(1.16)}}
.pulse{animation:beat2 1.6s ease-in-out infinite;display:inline-block}

/* --- hộp quà rung nhẹ khi rê chuột --- */
.gift{transition:transform .3s ease}
@media (hover:hover){.gift:hover{transform:translateY(-5px) scale(1.04)}}

/* --- tim ở màn hẹn hò có tia sáng --- */
.heart{position:relative;display:inline-block}
.heart::after{
  content:"";position:absolute;inset:-40%;z-index:-1;
  background:radial-gradient(circle,rgba(255,190,215,.55) 0%,transparent 68%);
  animation:twinkle 2.4s ease-in-out infinite;
}
.heart__ring{
  position:absolute;inset:-26%;z-index:-1;border-radius:50%;
  border:1px dashed rgba(229,138,168,.55);
  animation:spinSlow2 16s linear infinite;
}

/* --- chữ ký: chỉ tên, không kèm biểu tượng --- */
.paper__sign::before{content:none}

/* ===== ảnh trang trí trong bài (không caption) ===== */
/* ảnh nhỏ lại cho cân với chữ */
.photo-decor--sm{max-width:min(72%,320px);margin:2.2em auto}
.photo-decor--sm .photo{max-height:430px}

/* --- hiệu ứng lơ lửng + nghiêng nhẹ khi rê chuột --- */
@keyframes floaty{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-9px)}
}
@keyframes sway{
  0%,100%{transform:rotate(-2.2deg)}
  50%{transform:rotate(2.2deg)}
}
.photo-decor--tape{animation:floaty 5.4s ease-in-out infinite}
.photo-decor--tape .photo-decor__deco{animation:sway 4.2s ease-in-out infinite}

.photo-decor--polaroid{animation:floaty 6.2s ease-in-out .5s infinite}
.photo-decor--polaroid .photo-decor__deco{animation:sway 3.6s ease-in-out infinite}

.photo-decor--circle{animation:floaty 7s ease-in-out .9s infinite}
.photo-decor--circle .photo-decor__deco{animation:spinSlow 26s linear infinite}

/* vài biểu tượng bay lơ lửng quanh ảnh */
@keyframes floatIcon{
  0%,100%{transform:translateY(0) scale(1);opacity:.55}
  50%{transform:translateY(-14px) scale(1.14);opacity:.9}
}
.photo-decor::before,.photo-decor::after{animation:floatIcon 3.8s ease-in-out infinite}
.photo-decor::after{animation-delay:1.4s}
.photo-decor--circle::before{animation-duration:4.6s}
.photo-decor--circle::after{animation-delay:1.9s}

@keyframes spinSlow{to{transform:rotate(360deg)}}

/* rê chuột: ảnh nghiêng nhẹ + sáng viền */
.photo-decor .photo{transition:transform .45s cubic-bezier(.2,.8,.3,1),box-shadow .45s ease}
@media (hover:hover){
  .photo-decor:hover .photo{transform:scale(1.025) rotate(-.6deg);box-shadow:0 26px 54px -22px rgba(160,70,100,.6)}
  .photo-decor--circle:hover .photo{transform:scale(1.04) rotate(1.5deg)}
}
.photo-decor{position:relative;margin:2.2em 0}
.photo-decor .photo{margin:0;box-shadow:0 18px 44px -26px rgba(110,55,80,.65)}
.photo-decor__deco{position:absolute;pointer-events:none}

/* --- dán băng keo xiên --- */
.photo-decor--tape .photo{border-radius:8px}
.photo-decor--tape .photo__deco,
.photo-decor--tape .photo-decor__deco{
  top:-14px;left:50%;width:112px;height:30px;
  transform:translateX(-50%) rotate(-4deg);
  background:rgba(255,255,255,.72);
  border-left:1px dashed rgba(160,110,130,.35);
  border-right:1px dashed rgba(160,110,130,.35);
  box-shadow:0 2px 6px rgba(120,60,86,.18);
  backdrop-filter:blur(2px);
}
.photo-decor--tape .photo-decor__deco::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.5),rgba(255,255,255,0));
}

/* --- ảnh nhắn thư: khung trắng dày + băng đỏ góc --- */
.photo-decor--polaroid .photo{border-radius:4px;border:12px solid #fffdfb;box-shadow:0 22px 46px -24px rgba(110,55,80,.7)}
.photo-decor--polaroid .photo-decor__deco{
  top:-22px;right:-16px;width:92px;height:52px;
  transform:rotate(16deg);
  background:linear-gradient(135deg,rgba(226,110,140,.75),rgba(201,85,111,.7));
  border-radius:4px;opacity:.85;
  box-shadow:0 4px 10px rgba(150,40,70,.28);
}
.photo-decor--polaroid .photo-decor__deco::after{
  content:"";position:absolute;left:50%;top:50%;width:18px;height:18px;
  transform:translate(-50%,-50%);border-radius:50%;
  background:rgba(255,255,255,.65);
}

/* --- tròn, viền đôi, nhỏ lệch --- */
.photo-decor--circle{margin:2.6em auto;max-width:340px}
.photo-decor--circle .photo{border-radius:50%;aspect-ratio:1 !important;border:6px solid rgba(255,255,255,.9)}
.photo-decor--circle .photo-decor__deco{
  inset:-14px;border-radius:50%;
  border:1px dashed rgba(201,85,111,.42);
}

/* hoa văn nhỏ xung quanh */
.photo-decor::before,.photo-decor::after{
  position:absolute;font-size:1.1rem;opacity:.55;pointer-events:none;
}
.photo-decor--tape::before{content:"✿";top:6px;left:-26px}
.photo-decor--tape::after{content:"❀";bottom:10px;right:-22px}
.photo-decor--polaroid::before{content:"♥";top:4px;left:-24px}
.photo-decor--polaroid::after{content:"✦";bottom:6px;right:-22px}
.photo-decor--circle::before{content:"🌸";top:-8px;right:-6px;font-size:1.25rem}
.photo-decor--circle::after{content:"✨";bottom:2px;left:-14px;font-size:1.05rem}

/* chùm biểu tượng nhỏ xung quanh mỗi ảnh */
.photo-decor__cloud{
  position:absolute;inset:-34px -30px;pointer-events:none;
}
.photo-decor__cloud span{
  position:absolute;font-size:.9rem;opacity:.42;
  animation:floatIcon 4.4s ease-in-out infinite;
}
.photo-decor__cloud span:nth-child(1){top:2%;left:4%;animation-delay:.1s}
.photo-decor__cloud span:nth-child(2){top:-4%;left:46%;animation-delay:.9s}
.photo-decor__cloud span:nth-child(3){top:16%;right:6%;animation-delay:1.6s}
.photo-decor__cloud span:nth-child(4){bottom:4%;right:26%;animation-delay:2.2s}
.photo-decor__cloud span:nth-child(5){bottom:-6%;left:38%;animation-delay:2.9s}
.photo-decor__cloud span:nth-child(6){bottom:22%;left:8%;animation-delay:3.4s}

/* màn rất hẹp: co lại mọi khoảng đệm cho vừa */
@media (max-width:360px){
  .engine__search,.panel{padding:0 12px}
  .engine__logo{padding-top:34px}
  .fake-input{padding:12px 15px;font-size:.94rem}
  .wrap{width:min(100% - 20px,940px)}
  .home-corner{left:10px;bottom:12px;padding:9px 13px}
  .music-box{right:10px;top:10px}
  .paper{padding:20px 16px}
  .parts{gap:14px}
  .part__body{padding:18px 16px 20px}
  .photo-decor--sm{max-width:min(80%,260px)}
  .photo-decor__cloud{display:none}
}

@media (max-width:520px){
  .photo-decor::before{left:-10px}
  .photo-decor::after{right:-8px}
}
.article .a-note{font-size:.96em;color:var(--plum);opacity:.9}
.article .a-attr{
  margin-top:2em;padding-top:1.1em;border-top:1px dashed var(--line);
  font-family:var(--sans);font-size:.8rem;color:var(--ink-soft);letter-spacing:.03em;
}
.article .a-attr::before{content:"✍ "}

/* =================== SCREEN: QUIZ =================== */
.quizwrap{width:min(100% - 32px,680px);margin:0 auto;padding:clamp(34px,7vh,70px) 0}
.qprog{display:flex;gap:8px;justify-content:center;margin-bottom:22px}
.qprog i{width:26px;height:4px;border-radius:999px;background:var(--line)}
.qprog i.on{background:var(--pink)}
.qbox{padding:26px}
.qbox h3{font-size:1.3rem;margin-bottom:16px}
.opts{display:grid;gap:10px}
.opt{text-align:left;background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:14px;padding:13px 16px;font:inherit;color:var(--ink);cursor:pointer;transition:.15s}
.opt:hover{background:#fff;border-color:var(--pink);transform:translateX(3px)}
.qnav{display:flex;justify-content:space-between;align-items:center;margin-top:18px;gap:12px}
.qback{background:none;border:0;color:var(--ink-soft);font:inherit;cursor:pointer;text-decoration:underline}
.counter{text-align:center;color:var(--rose);font-size:.88rem;margin:14px 0 0}
.opt--wrong{background:#ffe0e6 !important;border-color:var(--rose) !important;color:var(--rose);opacity:.75}
.textin{
  width:100%;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.7);
  padding:14px 16px;font:inherit;font-size:1rem;color:var(--ink);outline:0
}
.textin:focus{border-color:var(--pink);background:#fff;box-shadow:0 0 0 3px rgba(229,138,168,.18)}
.hint-mini{margin:10px 2px 0;font-size:.78rem;color:var(--ink-soft)}
.scorecard{margin:22px auto 0;max-width:300px;padding:22px;border-radius:20px;background:linear-gradient(180deg,#fffdf6,#fff2f6);border:1px solid var(--line);box-shadow:var(--shadow)}
.scorecard__num{font-family:var(--serif);font-size:4rem;line-height:1;color:var(--rose)}
.scorecard__lbl{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);margin-top:4px}
.scorecard__msg{margin:14px 0 0;font-size:.92rem;color:var(--ink)}
.ticket__heart{font-size:3.4rem;color:var(--rose);margin-top:10px;line-height:1;animation:beat 1.4s ease-in-out infinite}
.ticket__use{display:inline-block;margin-top:14px;padding:6px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.84rem;color:var(--ink)}
.ticket__use b{color:var(--rose);font-size:.84rem;letter-spacing:0;text-transform:none}
.ticket__stamp{margin-top:12px;font-size:.66rem;letter-spacing:.14em;color:var(--ink-soft);opacity:.75}
.ticket__sparkles{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:16px}
.ticket__sparkles span{font-size:1.15rem;animation:nhiquanh 2.4s ease-in-out infinite}
.ticket__sparkles span:nth-child(2n){animation-delay:.3s}
.ticket__sparkles span:nth-child(3n){animation-delay:.6s}
.ticket__sparkles span:nth-child(4n){animation-delay:.9s}
@keyframes nhiquanh{0%,100%{transform:translateY(0) rotate(-6deg)}50%{transform:translateY(-7px) rotate(8deg)}}

/* =================== SCREEN: LETTER (envelope + paper) =================== */
.letterwrap{width:min(100% - 32px,760px);margin:0 auto;padding:clamp(40px,9vh,90px) 0}
/* --- phong bì: mềm, lơ lửng, lấp lánh --- */
@keyframes envFloat{
  0%,100%{transform:translateY(0) rotate(-.5deg)}
  50%{transform:translateY(-14px) rotate(.8deg)}
}
@keyframes sealPulse{
  0%,100%{transform:translate(-50%,-50%) scale(1)}
  50%{transform:translate(-50%,-50%) scale(1.07)}
}
.env{
  position:relative;max-width:520px;margin:0 auto;aspect-ratio:1.5/1;cursor:pointer;
  animation:envFloat 6.5s ease-in-out infinite;
  filter:drop-shadow(0 26px 44px rgba(120,60,85,.24));
}
.env::before{
  content:"";position:absolute;inset:-26px;border-radius:50%;z-index:-1;pointer-events:none;
  background:radial-gradient(circle,rgba(255,222,238,.5) 0%,transparent 70%);
  animation:twinkle 4.2s ease-in-out infinite;
}
.env__back{
  position:absolute;inset:0;
  background:linear-gradient(150deg,#fdeaf1,#f8dfe9 55%,#f6d8e6);
  border-radius:22px;
  border:1px solid rgba(255,255,255,.75);
  box-shadow:
    0 24px 50px -24px rgba(150,80,110,.5),
    0 2px 0 rgba(255,255,255,.85) inset;
}
.env__back::after{
  content:"";position:absolute;inset:0;border-radius:22px;pointer-events:none;
  background:
    radial-gradient(circle at 22% 18%,rgba(255,255,255,.85) 0 6%,transparent 34%),
    radial-gradient(circle at 82% 84%,rgba(255,255,255,.6) 0 4%,transparent 28%);
}
.env__flap{
  position:absolute;left:0;right:0;top:0;height:58%;
  background:linear-gradient(160deg,#fadfe9,#f4cede 60%,#f2c8da);
  clip-path:polygon(0 0,100% 0,50% 100%);
  transform-origin:top center;transition:transform .7s cubic-bezier(.6,-0.3,.4,1.2);
  z-index:3;border-radius:22px 22px 0 0;
  box-shadow:0 6px 14px -8px rgba(150,80,110,.5) inset;
}
.env__body{
  position:absolute;inset:14% 6% 8%;
  background:linear-gradient(180deg,#fffdfb,#fff8f6);
  border-radius:14px;z-index:2;display:grid;place-content:center;
  text-align:center;gap:2px;
  box-shadow:0 -6px 20px -12px rgba(90,40,60,.4), 0 0 0 1px rgba(255,255,255,.8) inset;
}
.env__to{font-family:var(--hand);font-size:2.1rem;color:var(--rose);line-height:1.35}
.env__from{font-size:.82rem;color:var(--ink-soft)}
.env__seal{
  position:absolute;left:50%;top:56%;width:62px;height:62px;border-radius:50%;
  display:grid;place-items:center;color:#fff;font-size:1.5rem;
  background:radial-gradient(circle at 34% 28%,#ef7b95,#c14563 62%,#a6334f);
  box-shadow:
    0 10px 22px -8px rgba(150,40,70,.85),
    0 2px 0 rgba(255,255,255,.5) inset,
    0 -3px 8px rgba(120,20,50,.35) inset;
  z-index:4;animation:sealPulse 2.6s ease-in-out infinite;
}
.env__seal::after{
  content:"";position:absolute;inset:-9px;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(255,190,215,.42) 0%,transparent 66%);
  animation:twinkle 2.6s ease-in-out infinite;
}
.env__hint{position:absolute;left:0;right:0;bottom:-34px;text-align:center;font-size:.8rem;color:var(--ink-soft);z-index:1}

/* nhãn dán + tia lấp lánh quanh phong bì */
.env__sticker{position:absolute;font-size:1.3rem;pointer-events:none;z-index:5;filter:drop-shadow(0 4px 6px rgba(150,80,110,.3))}
.env__sticker--1{top:8%;left:5%;animation:driftSway 5.4s ease-in-out infinite;--rot:-12deg}
.env__sticker--2{bottom:10%;left:9%;animation:floatSticker 4.2s ease-in-out infinite .4s;--rot:8deg}
.env__sticker--3{top:14%;right:7%;font-size:1.05rem;animation:twinkle 3.2s ease-in-out infinite}
.env__sticker--4{bottom:12%;right:6%;animation:floatSticker 4.8s ease-in-out infinite .9s;--rot:-9deg}
.env__spark{
  position:absolute;top:46%;right:14%;font-size:1rem;color:#f0bcd2;z-index:5;pointer-events:none;
  animation:twinkle 2.2s ease-in-out infinite;
}
.env__spark::after{
  content:"✧";position:absolute;left:16px;top:14px;font-size:.78rem;
  animation:twinkle 2.6s ease-in-out .5s infinite;
}
.env.opened .env__flap{transform:rotateX(180deg)}
.env.opened .env__seal{opacity:0;transform:translate(-50%,-50%) scale(1.6)}
.env.gone{opacity:0;transform:translateY(-60px) scale(.94);pointer-events:none;transition:.7s ease}

.paper{
  background:
    linear-gradient(transparent 0 37px, rgba(160,120,140,.13) 37px 38px),
    linear-gradient(160deg,#fffdf9 0%,#fffaf4 55%,#fff6f0 100%);
  background-size:100% 38px, 100% 100%;
  background-position:0 28px, 0 0;
  border:1px solid rgba(190,150,170,.22);
  border-radius:10px;
  padding:clamp(26px,6vw,52px);
  box-shadow:
    0 30px 70px -32px rgba(120,60,85,.42),
    0 2px 0 rgba(255,255,255,.9) inset,
    0 0 0 1px rgba(255,255,255,.6);
  position:relative;
}
.paper::before{content:"";position:absolute;inset:0;border-radius:10px;box-shadow:inset 0 0 70px rgba(190,150,170,.12);pointer-events:none}
.paper__title{font-family:var(--hand);font-size:clamp(2.4rem,8.4vw,3.8rem);color:var(--rose);margin-bottom:.1em;line-height:1.4}
.paper__date{font-size:.82rem;color:var(--ink-soft);margin-bottom:26px}
.paper__body p{
  font-family:var(--hand);
  font-size:clamp(1.36rem,3.5vw,1.68rem);
  line-height:38px;margin:0 0 38px;
  text-align:left;hyphens:auto;
}
.paper__body p:first-child{
  text-align:center;margin-bottom:44px;
  font-size:clamp(1.7rem,4.4vw,2.1rem);color:var(--rose);
}
.paper__body .a-last{
  color:var(--rose);font-size:clamp(1.5rem,3.9vw,1.86rem);line-height:38px;
  margin-bottom:16px !important;
}
.paper__sign{text-align:right;font-family:var(--hand);font-size:2.4rem;color:var(--plum);margin-top:8px;line-height:1.4}

/* =================== SCREEN: WARN =================== */
.warnwrap{width:min(100% - 32px,600px);margin:0 auto;padding:clamp(50px,12vh,120px) 0;text-align:center}
.warnwrap .icon{font-size:2.6rem}
.warnwrap h2{font-size:clamp(1.5rem,5vw,2.1rem)}
.warnwrap p{color:var(--ink-soft)}
.warnacts{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:26px}

/* =================== SCREEN: REPLY =================== */
.replywrap{width:min(100% - 32px,780px);margin:0 auto;padding:clamp(34px,7vh,66px) 0}
.replyhead{text-align:center;margin-bottom:24px}
.replyhead h1{font-family:var(--hand);font-size:clamp(2.6rem,9vw,3.9rem);color:var(--rose);line-height:1.4}
.replyhead p{color:var(--ink-soft);margin:0}
.writearea{position:relative}
.writearea textarea{
  width:100%;min-height:min(60vh,520px);border:0;outline:0;resize:vertical;
  background:transparent;color:var(--ink);
  font-family:var(--hand);font-size:clamp(1.6rem,4.6vw,2rem);line-height:32px;
  padding:clamp(22px,5vw,46px);
  display:block;
}
.writearea textarea::placeholder{color:rgba(124,100,112,.5)}
.wmeta{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:0 clamp(22px,5vw,46px) 18px;font-size:.82rem;color:var(--ink-soft)}
.sendbar{display:flex;justify-content:center;gap:12px;margin-top:20px;flex-wrap:wrap}
.err{display:none;color:var(--rose);font-size:.86rem;text-align:center;margin-top:10px}
.err.on{display:block}

/* =================== SCREEN: APPOINTMENT =================== */
.appt{width:min(100% - 32px,620px);margin:0 auto;padding:clamp(46px,11vh,110px) 0;text-align:center}
.appt h2{font-size:clamp(2.4rem,9vw,3.8rem);font-family:var(--hand);color:var(--rose);line-height:1.4}
.appt .sub{color:var(--ink-soft)}
.heart{font-size:3rem;animation:beat 1.6s ease-in-out infinite}
.heart__svg{display:block;filter:drop-shadow(0 10px 18px rgba(216,120,155,.5))}
.heart__ring{position:absolute;inset:6%;z-index:-1;border-radius:50%;border:1px dashed rgba(240,160,190,.6);animation:spinSlow2 18s linear infinite}
.heart__glitter{position:absolute;font-size:1.05rem;color:#f3b4cd;animation:twinkle 2.2s ease-in-out infinite}
.heart__glitter--2{animation-delay:.7s;left:2%;top:18%;font-size:.85rem}
@keyframes beat{0%,100%{transform:scale(1)}18%{transform:scale(1.18)}36%{transform:scale(1)}54%{transform:scale(1.14)}}

/* nhạc đang bị trình duyệt chặn: nút nhảy nhẹ nhắc người dùng chạm vào */
@keyframes hintBounce{
  0%,100%{transform:translateY(0) scale(1)}
  30%{transform:translateY(-7px) scale(1.05)}
  60%{transform:translateY(1px) scale(.99)}
}
.music-btn.is-hint{animation:hintBounce 2.1s ease-in-out infinite}
.music-btn.is-hint::before{
  content:"";position:absolute;inset:-4px;border-radius:999px;z-index:-1;
  border:1px solid rgba(229,138,168,.5);
  animation:hintPulse 2.1s ease-out infinite;
}
@keyframes hintPulse{
  0%{transform:scale(.96);opacity:.9}
  70%,100%{transform:scale(1.14);opacity:0}
}

/* ===== khung nhạc + âm lượng ===== */
.music-box{position:fixed;right:16px;top:16px;z-index:50;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.music-btn{
  position:relative;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px 9px 12px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(12px);color:var(--ink);
  font:inherit;font-size:.82rem;cursor:pointer;
  box-shadow:0 12px 26px -16px rgba(120,60,85,.7);
  transition:transform .26s cubic-bezier(.2,1.2,.4,1),box-shadow .26s ease,background .26s ease;
}
.music-btn__ico{
  display:grid;place-items:center;width:24px;height:24px;border-radius:50%;
  background:linear-gradient(135deg,#ffd6e4,#f0e4ff);color:var(--rose);font-size:1rem;
  transition:transform .3s ease;
}
.music-btn:hover{transform:translateY(-4px) scale(1.03);background:rgba(255,255,255,.92);box-shadow:0 18px 32px -16px rgba(140,60,95,.8)}
.music-btn:hover .music-btn__ico{transform:rotate(-12deg) scale(1.1)}
.music-btn:active{transform:translateY(-1px)}
.music-btn:focus-visible{outline:3px solid rgba(201,85,111,.55);outline-offset:3px}
.music-btn.is-on{background:linear-gradient(135deg,#ffe4ee,#f2e4ff);border-color:rgba(201,85,111,.35)}
@keyframes noteJump{
  0%,100%{transform:translateY(0) rotate(0)}
  35%{transform:translateY(-4px) rotate(-14deg)}
  70%{transform:translateY(1px) rotate(8deg)}
}
.music-btn.is-on .music-btn__ico{animation:noteJump 1.15s ease-in-out infinite;color:var(--rose)}
.music-btn.is-on::after{
  content:"";position:absolute;right:-3px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:#6fbf8f;
  animation:livePulse 1.8s ease-out infinite;
}
@keyframes livePulse{
  0%{box-shadow:0 0 0 0 rgba(111,191,143,.55)}
  70%{box-shadow:0 0 0 8px rgba(111,191,143,0)}
  100%{box-shadow:0 0 0 0 rgba(111,191,143,0)}
}

/* thanh âm lượng */
.vol-box{
  display:flex;align-items:center;gap:7px;
  padding:6px 10px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(12px);
  box-shadow:0 12px 26px -16px rgba(120,60,85,.7);
  transition:.26s ease;
}
.vol-box:hover{background:rgba(255,255,255,.92)}
.vol-box.is-off{opacity:.62}
.vol-btn{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;
  border:1px solid var(--line);background:rgba(255,255,255,.8);
  color:var(--rose);font:inherit;font-size:1rem;font-weight:600;line-height:1;
  cursor:pointer;display:grid;place-items:center;
  transition:transform .18s cubic-bezier(.2,1.3,.4,1),background .2s ease,color .2s ease;
}
.vol-btn:hover{background:linear-gradient(135deg,#ffd6e4,#f0e4ff);transform:scale(1.14)}
.vol-btn:active{transform:scale(.94)}
.vol-btn:focus-visible{outline:2px solid rgba(201,85,111,.6);outline-offset:2px}
.vol-bar{
  width:76px;height:6px;border-radius:999px;
  background:rgba(190,150,170,.26);overflow:hidden;
}
.vol-bar i{display:block;height:100%;width:28%;border-radius:999px;transition:width .2s ease,background .2s ease}

@media (max-width:420px){
  .music-btn{padding:8px 13px}.music-btn__txt{display:none}
  .vol-bar{width:52px}
}
@media (prefers-reduced-motion:reduce){
  .music-btn.is-on .music-btn__ico,.music-btn.is-on::after{animation:none}
}

/* ===== hộp quà cute (SVG) ===== */
.gift{width:182px;height:204px;cursor:pointer;border:0;background:none;display:block;margin:26px auto 0;transition:transform .3s cubic-bezier(.2,1.2,.4,1)}
/* bỏ viền cam vuông mặc định của trình duyệt khi bấm, thay bằng hào quang hồng */
.gift:focus,.gift:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(229,138,168,.28),0 0 26px rgba(229,138,168,.4);border-radius:22px}
.gift::-moz-focus-outline{outline:none}
.gift__shadow{display:none}
.gift .cf-lid{transform-box:fill-box;transform-origin:center top;transition:transform .75s cubic-bezier(.3,1.4,.4,1)}
.gift .cf-bow{transform-box:fill-box;transform-origin:center bottom;transition:transform .75s cubic-bezier(.3,1.4,.4,1)}
.gift .cf-arms{transform-box:fill-box;transform-origin:center;transition:transform .55s ease}
.gift .cf-shadow{transition:.55s ease}
@keyframes giftWiggle{0%,100%{transform:rotate(0)}30%{transform:rotate(-3deg)}65%{transform:rotate(2.5deg)}}
@media (hover:hover){.gift:hover{animation:giftWiggle 1.5s ease-in-out infinite}}

.gift.open .cf-lid{transform:translateY(-118px) rotate(-22deg)}
.gift.open .cf-bow{transform:translateY(-118px) rotate(-22deg) scale(1.06)}
.gift.open .cf-arms{transform:translateY(-8px) scale(1.06)}
.gift.open .cf-shadow{opacity:.65;transform:scaleX(.86)}

/* ===== hộp quà 3D (bản cũ, giữ để đổi lại nếu cần) ===== */
.gift{
  margin:44px auto 0;width:230px;height:210px;position:relative;
  cursor:pointer;border:0;background:none;transform-style:preserve-3d;
}
.gift__shadow{
  position:absolute;left:50%;bottom:-6px;width:190px;height:26px;
  transform:translateX(-50%);border-radius:50%;
  background:radial-gradient(ellipse,rgba(120,60,85,.34),transparent 70%);
  filter:blur(7px);transition:.5s ease;
}
/* nắp hộp */
.gift__lid{
  position:absolute;left:9%;right:9%;top:56px;height:38px;z-index:6;
  transform-style:preserve-3d;
  transition:transform .8s cubic-bezier(.3,1.35,.4,1),opacity .7s;
}
.gift__lidtop{
  position:absolute;inset:0;border-radius:8px;
  background:linear-gradient(180deg,#f7b9cb 0%,#ee9ab4 55%,#e283a1 100%);
  box-shadow:
    0 3px 0 rgba(180,90,125,.45),
    0 10px 18px -8px rgba(140,60,95,.6),
    0 2px 0 rgba(255,255,255,.6) inset;
}
.gift__lidband{
  position:absolute;left:50%;top:-2px;bottom:-2px;width:26px;transform:translateX(-50%);
  background:linear-gradient(180deg,#f9e0a6 0%,#eec066 55%,#dfa848 100%);
  border-radius:3px;
  box-shadow:0 0 0 1px rgba(190,140,50,.28), 0 1px 0 rgba(255,255,255,.7) inset;
}
/* nơ */
.gift__bow{position:absolute;left:50%;top:34px;width:0;height:0;z-index:8;transition:.8s cubic-bezier(.3,1.3,.4,1)}
.gift__bowL,.gift__bowR{
  position:absolute;width:38px;height:26px;border-radius:50% 50% 40% 50%;
  background:linear-gradient(135deg,#f9dca4,#e9b45c);
  box-shadow:0 3px 6px rgba(150,100,30,.45), 0 1px 0 rgba(255,255,255,.7) inset;
}
.gift__bowL{right:16px;transform:rotate(-18deg)}
.gift__bowR{left:16px;transform:rotate(18deg) scaleX(-1)}
.gift__knot{
  position:absolute;left:50%;top:50%;width:20px;height:20px;transform:translate(-50%,-50%);
  border-radius:50%;background:radial-gradient(circle at 34% 30%,#fbebc4,#dfa848);
  box-shadow:0 2px 5px rgba(150,100,30,.5);
}
/* thân hộp */
.gift__box{position:absolute;left:12%;right:12%;top:86px;bottom:14px;z-index:4}
.gift__front{
  position:absolute;inset:0;border-radius:0 0 14px 14px;
  background:linear-gradient(165deg,#f0a0ba 0%,#e88aa6 45%,#d9728f 100%);
  box-shadow:
    0 16px 30px -12px rgba(140,55,90,.65),
    0 2px 0 rgba(255,255,255,.45) inset;
}
.gift__side{
  position:absolute;right:-16px;top:0;bottom:0;width:16px;
  background:linear-gradient(90deg,#c96a88,#b85a78);
  border-radius:0 8px 8px 0;
  transform:skewY(9deg);transform-origin:left top;
}
.gift__band{
  position:absolute;left:50%;top:0;bottom:0;width:26px;transform:translateX(-50%);
  background:linear-gradient(180deg,#f9e0a6 0%,#eec066 55%,#dfa848 100%);
  box-shadow:0 0 0 1px rgba(190,140,50,.22);
}
.gift__band::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:34px;height:34px;border-radius:50%;
  background:radial-gradient(circle at 34% 30%,#fbebc4,#e2ad4e);
  box-shadow:0 3px 7px rgba(150,100,30,.5), 0 0 0 1px rgba(190,140,50,.3);
}
.gift__shine{
  position:absolute;inset:0;border-radius:0 0 14px 14px;overflow:hidden;pointer-events:none;
}
.gift__shine::after{
  content:"";position:absolute;top:-30%;left:-40%;width:38%;height:160%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);
  transform:rotate(18deg);animation:giftShine 3.6s ease-in-out infinite;
}
@keyframes giftShine{0%,68%,100%{transform:translateX(-40%) rotate(18deg)}84%{transform:translateX(320%) rotate(18deg)}}

/* trạng thái mở */
.gift.open .gift__lid{transform:translateY(-104px) rotate(-24deg) scale(1.04);opacity:.96}
.gift.open .gift__bow{transform:translateY(-118px) scale(1.25) rotate(10deg);opacity:.9}
.gift.open .gift__shadow{width:150px;opacity:.6}
.gift__peek{display:none}
.ticket{
  max-width:420px;margin:30px auto 0;padding:24px;border-radius:20px;text-align:center;
  background:linear-gradient(180deg,#fffdf6,#fff6e6);border:2px dashed var(--gold);box-shadow:var(--shadow);
}
.ticket b{font-family:var(--sans);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}
.ticket h3{font-family:var(--hand);font-size:1.7rem;color:var(--rose);margin:.25em 0}
.ticket p{margin:0;color:var(--ink-soft);font-size:.92rem}
.ticket .code{display:inline-block;margin-top:12px;padding:6px 16px;border-radius:999px;background:#fff;border:1px dashed var(--gold);font-size:.82rem;color:var(--gold);letter-spacing:.1em}

.tease{font-family:var(--hand);font-size:clamp(2rem,7.4vw,3.2rem);color:var(--rose);margin-top:24px;line-height:1.45;animation:enter .6s ease both}
.shy{font-size:.86rem;color:var(--ink-soft);margin-top:14px}

/* confetti */
.conf{position:fixed;width:10px;height:14px;top:-20px;z-index:60;pointer-events:none;border-radius:2px}

/* toast + to-top */
.toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);z-index:70;
  padding:12px 20px;border-radius:14px;background:rgba(59,43,51,.92);color:#fff;font-size:.88rem;
  opacity:0;pointer-events:none;transition:.3s;max-width:min(92vw,520px);text-align:center;line-height:1.55
}
.toast.on{opacity:1;transform:translate(-50%,0)}
.to-top{
  position:fixed;right:16px;bottom:16px;z-index:50;width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(10px);color:var(--ink);
  cursor:pointer;opacity:0;pointer-events:none;transition:.25s;font-size:1rem
}
.to-top.on{opacity:1;pointer-events:auto}

/* fallback link bar */
.bar{position:sticky;top:0;z-index:40;display:flex;gap:8px;justify-content:center;padding:10px 12px;background:rgba(253,247,245,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);flex-wrap:wrap}
.bar button{background:none;border:0;font:inherit;font-size:.82rem;color:var(--ink-soft);cursor:pointer;padding:4px 10px;border-radius:999px}
.bar button:hover{background:rgba(255,220,232,.5);color:var(--ink)}

@media (max-width:520px){
  .warnacts .btn,.sendbar .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}