:root {
      --peach:#ffcdba;
      --pink:#ff77bb;
      --cream:#fff9ee;
      --ink:#190e32;
      --glass:rgba(255,255,255,.09);
    }
    * { box-sizing:border-box; }
    html,body { margin:0; min-height:100%; overflow-x:hidden; }
    body {
      background:#150c31;
      color:var(--cream);
      font-family:'Be Vietnam Pro',system-ui,sans-serif;
    }
    #scene {
      position:fixed; inset:0; width:100%; height:100%; display:block; z-index:0; touch-action:pan-y;
    }
    .veil {
      position:fixed; inset:0; z-index:1; pointer-events:none;
      background:radial-gradient(ellipse at 50% 44%,rgba(22,9,50,.06) 0%,rgba(13,7,32,.28) 70%,rgba(9,5,22,.6) 100%);
    }
    .photo-layer {
      position:fixed; inset:0; z-index:2; pointer-events:none; overflow:hidden;
    }
    .shell {
      position:relative; z-index:3; min-height:100svh; display:flex; flex-direction:column; align-items:center;
      justify-content:center; text-align:center; padding:86px 20px 42px; pointer-events:none;
    }
    .topbar {
      position:absolute; top:25px; left:0; right:0; display:flex; align-items:center; justify-content:center; gap:10px;
    }
    .pill {
      display:inline-flex; align-items:center; gap:8px; border:1px solid rgba(255,255,255,.23); background:rgba(255,255,255,.085);
      border-radius:100px; padding:10px 17px; font-size:11px; letter-spacing:.18em; font-weight:800;
      backdrop-filter:blur(14px); box-shadow:0 4px 40px #ff84aa11;
    }
    .eyebrow {
      font-size:clamp(11px,1.5vw,14px); font-weight:800; letter-spacing:.33em; color:#ffd4a6; margin:0 0 17px;
      text-transform:uppercase; text-shadow:0 2px 15px #ff7eb677;
    }
    .headline { margin:0; line-height:1.02; max-width:950px; filter:drop-shadow(0 9px 28px #220b40aa); }
    .headline .small {
      display:block; font-size:clamp(32px,6.2vw,78px); font-weight:900; letter-spacing:-.055em; color:#fff7e9;
    }
    .headline .big {
      display:block; font-family:'Playfair Display',Georgia,serif; font-size:clamp(102px,19.5vw,230px); letter-spacing:-.09em;
      padding-right:.08em; line-height:1.1; background:linear-gradient(150deg,#fffdf0 7%,#ffe4a9 25%,#ffa8d7 55%,#f47dc8 85%);
      background-clip:text; -webkit-background-clip:text; color:transparent; text-shadow:none; filter:drop-shadow(0 7px 19px #ff71b744);
    }
    .headline .suffix {
      display:block; font-size:clamp(18px,3.4vw,38px); font-weight:900; letter-spacing:.04em; color:#ffe2b7; margin-top:-6px;
    }
    .subtitle {
      font-size:clamp(14px,1.8vw,18px); line-height:1.85; max-width:700px; margin:28px auto 0; color:#f9e9f8;
      text-shadow:0 3px 15px #13052f;
    }
    .subtitle strong { color:#ffe1a4; }
    .actions {
      display:flex; align-items:center; justify-content:center; gap:12px; margin-top:29px; flex-wrap:wrap; pointer-events:auto;
    }
    button {
      font-family:inherit; cursor:pointer; border:0; transition:transform .2s,background .2s,box-shadow .2s;
    }
    button:hover { transform:translateY(-3px); }
    button:active { transform:translateY(0) scale(.98); }
    .primary {
      border-radius:999px; padding:16px 23px; font-size:14px; font-weight:900; color:#41173d;
      background:linear-gradient(110deg,#ffdc96,#ff95c8); box-shadow:0 8px 26px #ff80bc55;
    }
    .secondary {
      border-radius:999px; padding:15px 20px; background:#ffffff1d; border:1px solid #ffffff50; color:#fff;
      font-weight:800; font-size:13px; backdrop-filter:blur(14px);
    }
    .hint {
      margin-top:22px; font-size:12px; color:#eee0f5ad; letter-spacing:.04em; line-height:1.7; max-width:560px;
    }
    .message {
      position:relative; width:min(590px,calc(100vw - 34px)); margin-top:24px; padding:20px 22px 18px; border-radius:24px;
      border:1px solid #ffddc566; background:linear-gradient(120deg,#562953bc,#261843db);
      box-shadow:0 10px 42px #0e032d66,0 0 35px #ff77bb18; backdrop-filter:blur(18px); pointer-events:auto; animation:enter .4s ease-out;
      text-align:left;
    }
    .message > span {
      color:#ffdeaa; font-size:10px; font-weight:900; letter-spacing:.2em; display:block; margin-bottom:10px;
    }
    .message-body { display:flex; gap:16px; align-items:flex-start; }
    .message-photo {
      width:92px; height:92px; border-radius:20px; object-fit:cover; border:2px solid rgba(255,255,255,.3); flex:0 0 auto;
      background:rgba(255,255,255,.08);
    }
    .message-copy { flex:1 1 auto; min-width:0; }
    .message-name {
      margin:2px 0 7px; font-size:clamp(18px,2.2vw,23px); font-weight:900; color:#fff7ea;
    }
    .message p { font-size:clamp(14px,2vw,17px); font-weight:700; line-height:1.7; margin:0; }
    .close {
      position:absolute; right:8px; top:7px; background:transparent; color:#fff; font-size:22px; padding:3px 9px;
    }
    [hidden] { display:none !important; }
    .footer {
      position:absolute; bottom:20px; left:0; right:0; text-align:center; color:#e5d4ecaa; font-size:10px; letter-spacing:.12em;
    }
    .floating {
      position:fixed; z-index:4; right:20px; bottom:20px; display:flex; gap:8px; pointer-events:auto;
    }
    .round {
      width:44px; height:44px; border-radius:50%; color:white; border:1px solid #ffffff55; background:#ffffff1a;
      backdrop-filter:blur(12px); font-size:18px;
    }
    .music-chip {
      position:fixed; left:20px; bottom:20px; z-index:4; pointer-events:auto; display:flex; align-items:center; gap:10px;
      padding:12px 15px; border-radius:999px; border:1px solid rgba(255,255,255,.22); background:rgba(255,255,255,.1);
      backdrop-filter:blur(14px); color:#fff7eb; font-size:13px; font-weight:800; box-shadow:0 10px 35px rgba(0,0,0,.18);
    }
    .music-chip strong { color:#ffdcae; }
    .photo-fall {
      position:absolute; top:-130px; width:84px; animation:fallPhoto linear forwards; pointer-events:auto;
      filter:drop-shadow(0 10px 16px rgba(15,4,38,.45));
    }
    .photo-fall button {
      width:100%; padding:0; background:transparent; border:none; display:block;
    }
    .photo-card {
      border-radius:24px; overflow:hidden; border:2px solid rgba(255,255,255,.42); background:rgba(255,255,255,.12);
      backdrop-filter:blur(10px); box-shadow:0 8px 24px rgba(255,132,177,.22);
    }
    .photo-card img {
      width:100%; height:84px; object-fit:cover; display:block;
    }
    .photo-card .avatar-fallback {
      width:100%; height:84px; display:flex; align-items:center; justify-content:center; font-size:28px; font-weight:900; color:#fff;
      background:linear-gradient(135deg,#ff96c7,#9f7bff);
    }
    .photo-card span {
      display:block; padding:8px 6px 9px; font-size:11px; font-weight:900; letter-spacing:.03em; color:#fff7ea; text-align:center;
      background:linear-gradient(180deg,rgba(63,26,92,.1),rgba(44,18,68,.92));
    }
    .pulse-ring {
      position:absolute; inset:-6px; border-radius:28px; border:1px solid rgba(255,255,255,.18); animation:pulse 2.3s ease-in-out infinite;
      pointer-events:none;
    }
    @keyframes enter {
      from { opacity:0; transform:translateY(12px) scale(.97); }
      to { opacity:1; transform:translateY(0) scale(1); }
    }
    @keyframes pulse {
      0%,100% { transform:scale(.96); opacity:.35; }
      50% { transform:scale(1.05); opacity:.08; }
    }
    @keyframes fallPhoto {
      0% { transform:translateY(-120px) rotate(-6deg) scale(.92); opacity:0; }
      8% { opacity:1; }
      50% { transform:translateY(50vh) rotate(3deg) scale(1); }
      100% { transform:translateY(calc(100vh + 180px)) rotate(-8deg) scale(1.04); opacity:.12; }
    }
    @media(max-width:640px) {
      .shell { padding-top:98px; justify-content:center; }
      .headline .big { font-size:clamp(105px,26vw,156px); }
      .eyebrow { letter-spacing:.18em; }
      .subtitle { max-width:350px; margin-top:19px; }
      .message { padding:18px 18px 16px; }
      .message-body { flex-direction:column; align-items:center; text-align:center; }
      .message-copy { text-align:center; }
      .message-photo { width:96px; height:96px; }
      .footer { position:relative; margin-top:38px; bottom:auto; }
      .floating { bottom:14px; right:13px; }
      .music-chip {
        left:14px; bottom:14px; max-width:calc(100vw - 82px); font-size:12px; padding:11px 13px;
      }
      .hint { max-width:320px; }
      .photo-fall { width:74px; }
      .photo-card img, .photo-card .avatar-fallback { height:74px; }
    }
    @media(prefers-reduced-motion:reduce) {
      button { transition:none; }
      .message { animation:none; }
      .photo-fall, .pulse-ring { animation:none; }
    }
  
    .music-panel {
      position:fixed; left:20px; bottom:85px; z-index:7; width:min(370px,calc(100vw - 40px)); padding:18px;
      border:1px solid rgba(255,255,255,.22); border-radius:24px;
      background:linear-gradient(135deg,rgba(60,31,93,.98),rgba(30,16,58,.98));
      box-shadow:0 16px 65px rgba(0,0,0,.43); backdrop-filter:blur(18px); text-align:left;
    }
    .music-panel-header { display:flex; gap:10px; justify-content:space-between; align-items:start; }
    .music-panel-header strong { display:block; font-size:14px; }
    .music-panel-header small { color:#e5cce9; display:block; font-size:11px; margin-top:5px; }
    .music-panel p { font-size:12px; color:#f5eaf8; line-height:1.65; }
    .music-panel code { background:#ffffff23; border-radius:5px; padding:2px 4px; }
    .panel-x { background:#ffffff20; color:#fff; font-size:18px; width:32px; height:32px; border-radius:50%; }
    .yt-embed { position:relative; aspect-ratio:16/9; overflow:hidden; border-radius:14px; background:#160d2a; }
    .yt-embed iframe { width:100%; height:100%; border:0; display:block; }
    .official-link { display:inline-block; margin-top:13px; color:#ffdfb4; font-weight:800; font-size:12px; text-decoration:underline; text-underline-offset:3px; }
    @media(max-width:640px) { .music-panel { left:14px; bottom:78px; } }

/* Bộ lọc phong cách lời chúc trên trang chúc mừng */
.wish-category-bar {
  pointer-events:auto; margin-top:15px; display:flex; align-items:center; justify-content:center;
  flex-wrap:wrap; gap:9px 12px; font-size:11px; color:#f8def2;
}
.wish-category-bar label { font-weight:800; }
.wish-category-bar select {
  border:1px solid rgba(255,255,255,.34); color:#fff8f0; background:#40275fcc;
  padding:11px 15px; border-radius:999px; font:700 12px 'Be Vietnam Pro',system-ui,sans-serif;
  min-width:215px; max-width:min(95vw,305px); outline-offset:3px; cursor:pointer;
}
.wish-category-bar option { background:#26163f; color:#fff; }
.wish-count { color:#ffd4aa; font-size:11px; letter-spacing:.01em; }
@media(max-width:640px) {
  .wish-category-bar { margin-top:17px; gap:8px; max-width:370px; }
  .wish-category-bar select { max-width:calc(100vw - 50px); }
  .wish-category-bar .wish-count { flex-basis:100%; }
}

/* Lời chúc mới cho cùng ảnh, không cần đợi ảnh rơi lại */
.message-photo-btn{width:92px;flex:0 0 92px;display:flex;flex-direction:column;gap:7px;padding:0;border:0;background:none;color:#ffe7bc;text-align:center;align-items:center}
.message-photo-btn .message-photo{width:92px;height:92px;cursor:pointer}
.message-photo-btn span{font-size:10px;line-height:1.45;font-weight:700;opacity:.95}
.next-wish{display:block;margin:15px 0 0 auto;padding:11px 18px;border:1px solid #ffcae877;border-radius:100px;background:linear-gradient(110deg,#ffc0df,#ffe0b0);color:#43203b;font-weight:900;font-size:12px;box-shadow:0 8px 23px #f895c533}
@media(max-width:640px){.message-photo-btn{width:96px;flex:0 0 auto}.message-photo-btn .message-photo{width:96px;height:96px}.next-wish{margin:15px auto 0}}


/* === Mobile-first overlay: hiển thị lời chúc đúng tâm màn hình === */
body.modal-open { overflow: hidden; }
.wish-overlay {
  position: fixed;
  inset: 0;
  z-index: 30;
  padding: max(18px, env(safe-area-inset-top)) 18px max(18px, env(safe-area-inset-bottom));
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(8, 4, 25, .76);
  -webkit-backdrop-filter: blur(9px);
  backdrop-filter: blur(9px);
  overscroll-behavior: contain;
  overflow-y: auto;
  pointer-events: auto;
  animation: revealBackdrop .25s ease-out;
}
.wish-overlay .message {
  position: relative;
  width: min(520px, 100%);
  max-height: min(650px, calc(100dvh - 42px));
  overflow-y: auto;
  overscroll-behavior: contain;
  margin: auto;
  padding: 28px 28px 20px;
  border-radius: 28px;
  border: 1px solid rgba(255, 214, 231, .52);
  background: linear-gradient(142deg, rgba(83, 44, 99, .98), rgba(40, 20, 67, .98));
  box-shadow: 0 26px 90px rgba(8, 3, 23, .66), 0 0 55px rgba(255, 151, 215, .16);
  text-align: center;
}
.wish-overlay .message > span {
  font-size: 11px;
  line-height: 1.65;
  text-align: center;
  letter-spacing: .12em;
  margin: 0 0 18px;
}
.wish-overlay .message-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.wish-overlay .message-copy { width: 100%; text-align: center; }
.wish-overlay .message-name {
  color: #fff3d7;
  font-size: clamp(21px, 5vw, 28px);
  margin: 2px 0 10px;
}
.wish-overlay .message p#messageText {
  font-size: clamp(14px, 3.8vw, 17px);
  line-height: 1.8;
  text-align: center;
  overflow-wrap: anywhere;
}
.wish-overlay .message-photo-btn {
  width: 120px;
  flex: 0 0 auto;
  cursor: pointer;
  gap: 7px;
}
.wish-overlay .message-photo-btn .message-photo {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 22px;
  border: 2px solid rgba(255, 225, 242, .6);
  box-shadow: 0 9px 30px rgba(255, 159, 218, .15);
}
.wish-overlay .message-photo-btn span { font-size: 10px; color: #ffe9c7; }
.wish-overlay .dismiss-hint {
  color: #d3badc;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.4;
  margin: 22px 0 0;
}
@keyframes revealBackdrop {
  from { opacity: 0; } to { opacity: 1; }
}

@media(max-width:640px) {
  .shell {
    min-height: 100svh;
    justify-content: flex-start;
    padding: 74px 17px calc(96px + env(safe-area-inset-bottom));
  }
  .topbar { top: 15px; }
  .pill { padding: 9px 14px; font-size: 10px; letter-spacing: .12em; }
  .eyebrow {
    margin: 23px 0 9px;
    max-width: 330px;
    font-size: 10px;
    letter-spacing: .16em;
    line-height: 1.6;
  }
  .headline .small { font-size: clamp(32px, 8.7vw, 45px); line-height: 1.16; }
  .headline .big { font-size: clamp(92px, 25vw, 145px); line-height: 1.04; }
  .headline .suffix { font-size: clamp(16px, 4.2vw, 23px); line-height: 1.33; margin-top: -3px; }
  .subtitle {
    width: 100%;
    max-width: 390px;
    margin: 20px auto 0;
    font-size: 13px;
    line-height: 1.88;
  }
  .actions {
    flex-direction: column;
    gap: 10px;
    width: min(100%, 320px);
    margin-top: 23px;
  }
  .actions button { width:100%; padding: 13px 17px; font-size: 13px; }
  .wish-category-bar {
    display:flex;
    flex-direction: column;
    flex-wrap: nowrap;
    width: min(100%, 320px);
    gap: 9px;
    margin-top: 18px;
  }
  .wish-category-bar select { width: 100%; min-width: 0; max-width: 100%; padding: 12px 13px; }
  .wish-category-bar label, .wish-count { font-size: 10px; }
  .hint { margin-top: 22px; font-size: 11px; max-width: 320px; }
  .footer { margin-top: 19px; font-size: 9px; letter-spacing: .08em; }
  .music-chip {
    left: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom));
    max-width: calc(100vw - 95px);
    min-height: 42px;
    gap: 8px;
    padding: 5px 12px 5px 5px;
    font-size: 10px;
  }
  .music-chip .round { width: 35px; height: 35px; font-size: 15px; flex: 0 0 auto; }
  .music-chip div { max-width: 135px; line-height: 1.32; }
  .music-chip strong { display:none; }
  .floating { right:12px; bottom: calc(12px + env(safe-area-inset-bottom)); }
  .floating .round { width: 44px; height: 44px; }
  .photo-fall { width: 70px; }
  .photo-card img, .photo-card .avatar-fallback { height: 70px; }
  .wish-overlay { padding: max(14px, env(safe-area-inset-top)) 14px max(14px, env(safe-area-inset-bottom)); }
  .wish-overlay .message {
    width: min(100%, 390px);
    max-height: calc(100dvh - 28px);
    border-radius: 23px;
    padding: 24px 20px 19px;
  }
  .wish-overlay .message > span { margin-bottom: 15px; font-size: 10px; }
  .wish-overlay .message-photo-btn { width: 112px; }
  .wish-overlay .message-photo-btn .message-photo { width: 112px; height: 112px; }
  .wish-overlay .message-name { margin-bottom: 6px; }
  .wish-overlay .dismiss-hint { margin-top: 18px; }
}
@media(max-height:570px) {
  .wish-overlay { align-items: flex-start; }
  .wish-overlay .message { margin: auto; }
  .wish-overlay .message-photo-btn .message-photo { width: 85px; height: 85px; }
  .wish-overlay .message-photo-btn { width: 85px; }
  .wish-overlay .message { padding-top: 17px; padding-bottom: 14px; }
  .wish-overlay .message > span { margin-bottom: 10px; }
  .wish-overlay .dismiss-hint { margin-top: 12px; }
}
@media(prefers-reduced-motion:reduce) {
  .wish-overlay { animation: none; }
}
/* Footer rất dễ bị thanh nhạc cố định che ở màn hình nhỏ. */
@media(max-width:640px) {
  .footer { display:none; }
}