/* ============================================================
   手机优先。整套样式按 360~430px 的安卓屏调过。
   电脑上打开会居中成窄窄一条，不会拉变形。
   ============================================================ */

:root {
  --accent-a: #ff9ec4;
  --accent-b: #ffd9a8;
  --accent-c: #b58cff;
  --muted: rgba(255, 255, 255, 0.48);
  --faint: rgba(255, 255, 255, 0.28);
  --glow: rgba(255, 120, 170, 0.32);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  /* dvh 解决手机浏览器地址栏收起/展开时的高度跳动 */
  min-height: 100dvh;
  min-height: 100svh;

  display: flex;
  align-items: center;
  justify-content: center;

  /* 刘海屏 / 挖孔屏的安全区，别让文字钻到摄像头下面 */
  padding: calc(env(safe-area-inset-top) + 28px)
           calc(env(safe-area-inset-right) + 24px)
           calc(env(safe-area-inset-bottom) + 28px)
           calc(env(safe-area-inset-left) + 24px);

  background-color: #100a14;
  background-image:
    radial-gradient(120% 80% at 18% 0%, rgba(255, 120, 170, 0.20), transparent 62%),
    radial-gradient(110% 75% at 88% 102%, rgba(120, 140, 255, 0.16), transparent 62%);

  color: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Noto Sans SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;

  /* 手机上禁掉橡皮筋回弹和误选中，手感更像原生 */
  overscroll-behavior: none;
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}

/* 整个内容区：竖着排，居中，限制最大宽度 */
.stage {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: clamp(14px, 4.5vw, 26px);
}

/* ---------- 顶部：名字 + 小字 ---------- */

.names {
  margin: 0;
  font-size: clamp(12px, 3.6vw, 15px);
  letter-spacing: 0.26em;
  text-indent: 0.26em; /* 抵消最后一个字多出来的字距，让整体真的居中 */
  color: var(--muted);
}

.caption {
  margin: 0;
  font-size: clamp(10px, 3vw, 12px);
  letter-spacing: 0.22em;
  text-indent: 0.22em;
  color: var(--faint);
}

/* ---------- 中间：天数 + 时分秒 ---------- */

.clock {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(6px, 2vw, 12px);
}

.days {
  display: flex;
  align-items: baseline;
  gap: 0.12em;
}

.days-num {
  font-size: clamp(5rem, 30vw, 9.5rem);
  line-height: 0.86;
  font-weight: 700;
  letter-spacing: -0.03em;

  /* 等宽数字：秒数跳动时整体不会左右抖 */
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";

  background: linear-gradient(150deg, var(--accent-b) 0%, var(--accent-a) 42%, var(--accent-c) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 26px var(--glow));
}

.days-unit {
  font-size: clamp(13px, 4vw, 17px);
  letter-spacing: 0.1em;
  color: var(--muted);
}

.hms {
  display: flex;
  align-items: baseline;
  gap: 0.18em;
  font-size: clamp(1.45rem, 8.6vw, 2.5rem);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

.seg {
  display: flex;
  align-items: baseline;
  gap: 0.08em;
}

.seg b {
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
}

.seg i {
  font-style: normal;
  font-size: 0.36em;
  color: var(--faint);
}

.dot {
  color: var(--faint);
  animation: blink 2s steps(1, end) infinite;
}

@keyframes blink {
  0%,
  55% {
    opacity: 1;
  }
  56%,
  100% {
    opacity: 0.25;
  }
}

/* ---------- 底部小字 ---------- */

.foot {
  margin: 0;
  font-size: clamp(10px, 3vw, 12.5px);
  letter-spacing: 0.08em;
  color: var(--faint);
}

/* ---------- 进场动画（一层层浮上来） ---------- */

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.stage > * {
  animation: rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) backwards;
}
.stage > *:nth-child(1) { animation-delay: 0.05s; }
.stage > *:nth-child(2) { animation-delay: 0.12s; }
.stage > *:nth-child(3) { animation-delay: 0.20s; }
.stage > *:nth-child(4) { animation-delay: 0.32s; }

/* ---------- 右下角：进相册 ---------- */

.album {
  position: fixed;
  right: calc(env(safe-area-inset-right) + 18px);
  bottom: calc(env(safe-area-inset-bottom) + 20px);
  z-index: 10;

  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 15px;
  border-radius: 999px;

  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.68);
  text-decoration: none;

  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);

  animation: rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) 0.45s backwards;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}

.album:active {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  transform: scale(0.95);
}

/* ---------- 横屏 / 矮屏：收紧间距，别被挤出屏幕 ---------- */

@media (max-height: 520px) {
  .stage { gap: 8px; }
  .days-num { font-size: clamp(3.2rem, 18vh, 5rem); }
  .hms { font-size: clamp(1.1rem, 5vh, 1.6rem); }
}

/* 系统开了“减少动态效果”就别动 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}