/* ================================================================
   词云页 · 会转的祝福球
   沿用 site.css 的纸与墨，词在球面上投影，点一下掉一句祝福。
   ================================================================ */

/* ---------- 页头 ---------- */

.cloud-head {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 44px 28px 0 calc(var(--spine) + 28px);
}

.cloud-head__kicker {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--seal);
  margin: 0;
}

.cloud-head__title {
  font-family: var(--f-display);
  font-size: clamp(1.8rem, 4.4vw, 2.8rem);
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.28;
  margin: 10px 0 0;
}

.cloud-head__title em {
  font-style: normal;
  color: var(--blue);
  box-shadow: inset 0 -0.34em 0 rgba(42, 74, 99, 0.11);
}

.cloud-head__lede {
  margin: 14px 0 0;
  max-width: 30em;
  color: var(--ink-2);
}

.cloud-head__actions {
  margin: 18px 0 0;
}

.cloud-head .btn {
  margin-top: 0;
}

/* ---------- 球体舞台 ---------- */

.cloud-stage {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 8px 28px 10px calc(var(--spine) + 28px);
}

.cloud-frame {
  position: relative;
  max-width: 580px;
  margin: 0 auto;
  height: clamp(380px, 78vh, 560px);
  border: 1px solid rgba(35, 38, 42, 0.12);
  background:
    radial-gradient(circle at 50% 46%, rgba(245, 241, 230, 0.92), rgba(222, 214, 195, 0.55) 68%, rgba(222, 214, 195, 0.18) 100%);
  overflow: hidden;
  touch-action: none;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}

.cloud-frame.is-dragging {
  cursor: grabbing;
}

/* 舞台四周一圈淡淡的装订线，和相册页呼应 */
.cloud-frame::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(35, 38, 42, 0.10);
  pointer-events: none;
}

.cloud {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
}

/* ---------- 单个词 ---------- */

.word {
  position: absolute;
  left: 0;
  top: 0;
  border: 0;
  background: none;
  padding: 2px 5px;
  font-family: var(--f-display);
  line-height: 1.1;
  white-space: nowrap;
  cursor: pointer;
  will-change: transform, opacity;
  transform-origin: 50% 50%;
  transition: color 0.15s ease, text-shadow 0.15s ease;
  text-shadow: 0 1px 0 rgba(245, 241, 230, 0.85);
}

.word:hover {
  color: var(--seal) !important;
  text-shadow: 0 0 12px rgba(168, 58, 44, 0.28);
}

.word:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- 抽出来的祝福 ---------- */

.blessing {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 22px;
  background: rgba(234, 228, 214, 0.82);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: blessing-in 0.28s ease both;
}

.blessing[hidden] {
  display: none;
}

@keyframes blessing-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.blessing__card {
  position: relative;
  width: min(560px, 100%);
  padding: 38px 30px 26px;
  background: var(--paper-3);
  box-shadow: var(--shadow-photo);
  transform: rotate(-0.6deg);
  animation: card-in 0.34s cubic-bezier(0.22, 0.9, 0.3, 1) both;
}

@keyframes card-in {
  from { transform: rotate(-3deg) translateY(14px) scale(0.97); opacity: 0; }
  to   { transform: rotate(-0.6deg) translateY(0) scale(1); opacity: 1; }
}

/* 顶上那截胶带 */
.blessing__card::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 50%;
  width: 76px;
  height: 18px;
  margin-left: -38px;
  transform: rotate(-3deg);
  background: repeating-linear-gradient(
    90deg,
    rgba(222, 206, 168, 0.85) 0 7px,
    rgba(205, 188, 150, 0.85) 7px 14px
  );
}

.blessing__word {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--seal);
}

.blessing__text {
  margin: 14px 0 0;
  font-family: var(--f-display);
  font-size: clamp(1.05rem, 2.3vw, 1.28rem);
  line-height: 2.05;
  letter-spacing: 0.02em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.blessing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px dotted rgba(35, 38, 42, 0.2);
}

.blessing__actions .btn {
  margin-top: 0;
}

.btn--ghost {
  background: transparent;
  border: 1px solid rgba(42, 74, 99, 0.4);
  color: var(--blue);
  box-shadow: none;
}

.btn--ghost:hover {
  background: rgba(42, 74, 99, 0.07);
  color: var(--blue);
}

/* ---------- 提示 ---------- */

.cloud-hint {
  margin: 12px 0 0;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  text-align: center;
}

/* ---------- 断点 ---------- */

@media (max-width: 900px) {
  .cloud-head {
    padding: 34px 20px 0 calc(var(--spine) + 20px);
  }

  .cloud-stage {
    padding: 6px 20px 8px calc(var(--spine) + 20px);
  }

  .cloud-frame {
    height: clamp(360px, 72vh, 500px);
  }
}

@media (max-width: 640px) {
  .cloud-head {
    padding: 26px 14px 0 calc(var(--spine) + 14px);
  }

  .cloud-head__title {
    font-size: clamp(1.5rem, 6.6vw, 2rem);
  }

  .cloud-head__lede {
    font-size: 0.94rem;
  }

  .cloud-stage {
    padding: 4px 14px 6px calc(var(--spine) + 14px);
  }

  .cloud-frame {
    height: clamp(300px, 54vh, 420px);
  }

  .cloud-frame::after {
    inset: 6px;
  }

  .blessing {
    padding: 14px;
  }

  .blessing__card {
    padding: 30px 20px 20px;
    transform: none;
  }

  .blessing__card::before {
    left: 24px;
    margin-left: 0;
  }

  .blessing__actions {
    margin-top: 20px;
    padding-top: 16px;
  }

  .blessing__actions .btn {
    flex: 1 1 0;
    text-align: center;
    padding-left: 10px;
    padding-right: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blessing,
  .blessing__card {
    animation: none;
  }

  .blessing__card {
    transform: none;
  }

  .word {
    transition: none;
  }
}