/* ===== 婚礼留声机 · 大屏展示端样式 ===== */
:root {
  --cream: #FBF6EC;          /* 奶油白 */
  --champagne: #F3E7CF;      /* 浅香槟 */
  --gold: #C9A86A;           /* 香槟金 */
  --gold-deep: #B08A4E;      /* 深金 */
  --gold-light: #E8D5A8;     /* 亮金 */
  --vinyl: #1A1714;          /* 深黑胶 */
  --ink: #3A322A;            /* 文字深棕 */
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  width: 100%; height: 100%; overflow: hidden;
  background: radial-gradient(120% 120% at 50% 30%, var(--cream) 0%, var(--champagne) 65%, #EAD9BC 100%);
  font-family: "Noto Serif SC", "Cormorant Garamond", serif;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

#stage { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }

/* 循环飘动层：已收到的祝福缓缓上浮、淡入淡出 */
.float-layer {
  position: fixed; inset: 0; z-index: 3;
  pointer-events: none; overflow: hidden;
}
.float-item {
  position: absolute; bottom: -14%;
  left: var(--x, 50%); transform: translateX(-50%);
  max-width: 30vw; padding: 10px 18px;
  font-family: "Noto Serif SC", serif; font-weight: 300;
  font-size: clamp(15px, 1.5vw, 22px); line-height: 1.6;
  color: var(--gold-deep); text-align: center;
  background: rgba(251, 246, 236, 0.35);
  border: 1px solid rgba(201, 168, 106, 0.28);
  border-radius: 14px;
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  opacity: 0;
  animation: floatUp var(--dur, 16s) linear forwards;
}
.float-item .fname {
  display: block; margin-top: 4px;
  font-family: "Cormorant Garamond", serif; font-size: 0.82em;
  color: var(--gold); letter-spacing: 0.08em;
}
@keyframes floatUp {
  0%   { opacity: 0; transform: translate(-50%, 0) translateX(0); }
  10%  { opacity: 0.92; }
  50%  { transform: translate(calc(-50% + var(--sway, 20px)), -55vh); }
  90%  { opacity: 0.92; }
  100% { opacity: 0; transform: translate(calc(-50% - var(--sway, 20px)), -112vh); }
}

/* 送鲜花：大屏飘落花瓣特效 */
.petal {
  position: absolute; top: -10%;
  font-size: clamp(20px, 2.4vw, 34px); line-height: 1;
  opacity: 0; pointer-events: none; will-change: transform, opacity;
  animation-name: petalFall;
  animation-timing-function: ease-in;
  animation-fill-mode: forwards;
}
@keyframes petalFall {
  0%   { opacity: 0; transform: translate(0, 0) rotate(0deg) scale(0.6); }
  12%  { opacity: 1; }
  100% { opacity: 0.9; transform: translate(var(--dx, 0), 118vh) rotate(var(--rot, 360deg)) scale(1.1); }
}

/* 顶部标题 */
.topbar {
  position: fixed; top: 4vh; left: 0; right: 0;
  text-align: center; z-index: 5; pointer-events: none;
}
.title {
  font-family: "Noto Serif SC", serif; font-weight: 500;
  font-size: clamp(34px, 4.6vw, 72px); letter-spacing: 0.18em;
  color: var(--gold-deep);
  text-shadow: 0 1px 0 rgba(255,255,255,0.5);
}
.subtitle {
  margin-top: 0.6em; font-family: "Cormorant Garamond", serif;
  font-style: italic; font-size: clamp(16px, 1.8vw, 30px);
  letter-spacing: 0.28em; color: var(--gold);
}

/* 祝福计数 */
.counter {
  position: fixed; right: 3vw; bottom: 4vh; z-index: 5;
  text-align: right; pointer-events: none; opacity: 0.9;
}
.counter-num {
  display: block; font-family: "Cormorant Garamond", serif;
  font-size: clamp(40px, 5vw, 78px); font-weight: 600; line-height: 1;
  color: var(--gold-deep);
}
.counter-label {
  font-size: clamp(13px, 1.3vw, 20px); letter-spacing: 0.2em; color: var(--gold);
}

/* 祝福文字卡片：实时送达区在上半屏、轮播区在下半屏，均上下左右居中 */
.blessing-card {
  position: fixed; left: 50%; top: 30%;
  transform: translate(-50%, -50%) scale(0.96);
  width: min(86vw, 1180px); padding: 28px 48px 46px;
  background: rgba(251, 246, 236, 0.55);
  border: 1px solid rgba(201, 168, 106, 0.40);
  border-radius: 18px;
  box-shadow: 0 20px 60px rgba(176, 138, 78, 0.16);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  text-align: center; z-index: 6;
  opacity: 0; pointer-events: none;
  transition: opacity 1.0s ease, transform 1.0s ease;
}
#cardLive { top: 30%; }   /* 上半屏中心：实时送达 */
.blessing-card.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.blessing-card .card-tag {
  display: inline-block; margin-bottom: 0.8em;
  font-size: clamp(12px, 1.1vw, 16px); letter-spacing: 0.32em;
  color: var(--gold-deep);
  border: 1px solid rgba(201, 168, 106, 0.5); border-radius: 999px;
  padding: 0.3em 1.1em; opacity: 0.85;
}
.card-name {
  position: absolute; right: 48px; bottom: 16px;
  font-family: "Cormorant Garamond", serif; font-weight: 600;
  font-size: clamp(18px, 1.9vw, 30px); color: var(--gold-deep);
  letter-spacing: 0.08em; text-align: right;
}
.card-msg {
  font-family: "Noto Serif SC", serif; font-weight: 300;
  font-size: clamp(18px, 2vw, 32px); line-height: 1.9; color: var(--ink);
}

/* 宾客扫码提示 */
.guest-hint {
  position: fixed; left: 3vw; bottom: 4vh; z-index: 5;
  display: flex; align-items: center; gap: 14px;
  padding: 12px 16px; border-radius: 14px;
  background: rgba(251, 246, 236, 0.55);
  border: 1px solid rgba(201, 168, 106, 0.35);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.guest-hint img { width: 76px; height: 76px; border-radius: 8px; background: #fff; display: block; }
.guest-hint-text .gh-title { font-size: 15px; letter-spacing: 0.1em; color: var(--gold-deep); }

/* 开启遮罩 */
.start-overlay {
  position: fixed; inset: 0; z-index: 20;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(120% 120% at 50% 40%, rgba(251,246,236,0.92), rgba(243,231,207,0.96));
  transition: opacity 1.4s ease;
}
.start-overlay.hide { opacity: 0; pointer-events: none; }
.start-inner { text-align: center; }
.start-emblem {
  font-size: clamp(40px, 6vw, 90px); color: var(--gold);
  animation: float 4s ease-in-out infinite;
}
.start-title {
  margin-top: 0.3em; font-family: "Noto Serif SC", serif; font-weight: 500;
  font-size: clamp(30px, 4vw, 60px); letter-spacing: 0.18em; color: var(--gold-deep);
}
.start-sub {
  margin-top: 0.4em; font-family: "Cormorant Garamond", serif; font-style: italic;
  font-size: clamp(16px, 2vw, 28px); letter-spacing: 0.26em; color: var(--gold);
}
.start-btn {
  margin-top: 2.4em; padding: 16px 40px; cursor: pointer;
  font-family: "Noto Serif SC", serif; font-size: clamp(15px, 1.6vw, 22px);
  letter-spacing: 0.12em; color: var(--gold-deep);
  background: rgba(255,255,255,0.5);
  border: 1px solid var(--gold); border-radius: 999px;
  transition: all 0.4s ease; backdrop-filter: blur(4px);
}
.start-btn:hover { background: var(--gold); color: #fff; box-shadow: 0 10px 30px rgba(176,138,78,0.35); }

@keyframes float { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-12px);} }

@media (max-width: 768px) {
  .guest-hint { transform: scale(0.8); transform-origin: left bottom; }
  .counter { transform: scale(0.8); transform-origin: right bottom; }
}