/* ============================================================
   style.css — 全部样式（浅色主题 / 居中卡片 / 响应式）
   ============================================================ */

:root {
  --bg: #f5f7fb;
  --card-bg: rgba(255, 255, 255, 0.82);
  --card-border: rgba(17, 24, 39, 0.08);
  --text: #101828;
  --text-soft: #5b6474;
  --text-faint: #8b94a3;
  --accent: #4f6bff;
  --accent-2: #22c1a8;
  --shadow: 0 24px 60px -20px rgba(16, 24, 40, 0.18), 0 8px 20px -12px rgba(16, 24, 40, 0.12);
  --radius: 26px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  padding: 32px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 背景光斑 */
.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}

.bg-glow--1 {
  width: 520px;
  height: 520px;
  top: -180px;
  left: -140px;
  background: radial-gradient(circle, rgba(79, 107, 255, 0.45), transparent 70%);
}

.bg-glow--2 {
  width: 560px;
  height: 560px;
  right: -200px;
  bottom: -220px;
  background: radial-gradient(circle, rgba(34, 193, 168, 0.4), transparent 70%);
}

/* ===================== 卡片 ===================== */
.card {
  position: relative;
  z-index: 1;
  width: min(100%, 620px);
  padding: 44px 40px 32px;
  text-align: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  animation: rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(22px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 状态徽标 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  padding: 7px 14px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: #16794a;
  background: rgba(34, 197, 126, 0.1);
  border: 1px solid rgba(34, 197, 126, 0.24);
  border-radius: 999px;
}

.dot {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: #22c37e;
  box-shadow: 0 0 0 0 rgba(34, 195, 126, 0.55);
  animation: pulse 2s ease-out infinite;
}

.dot--small {
  width: 6px;
  height: 6px;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 195, 126, 0.5);
  }
  70% {
    box-shadow: 0 0 0 7px rgba(34, 195, 126, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(34, 195, 126, 0);
  }
}

/* 主标题 */
.title {
  margin: 0 0 14px;
  font-size: clamp(38px, 7vw, 58px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #2b3bd6 0%, #4f6bff 42%, #22c1a8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* 副标题 */
.subtitle {
  margin: 0 auto 30px;
  max-width: 26em;
  font-size: clamp(15px, 2.2vw, 17.5px);
  line-height: 1.75;
  color: var(--text-soft);
}

.subtitle .name {
  font-weight: 700;
  color: var(--text);
  padding: 0 2px;
  background: linear-gradient(transparent 62%, rgba(79, 107, 255, 0.22) 62%);
}

/* ===================== 时间区 ===================== */
.clock {
  padding: 24px 20px 20px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(79, 107, 255, 0.06), rgba(34, 193, 168, 0.05));
  border: 1px solid rgba(79, 107, 255, 0.13);
}

.clock__label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 10px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.clock__icon {
  width: 15px;
  height: 15px;
}

.clock__time {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(34px, 8vw, 50px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  transition: color 0.25s ease;
}

.clock__date {
  margin: 8px 0 0;
  font-size: 14.5px;
  color: var(--text-soft);
}

.clock__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px 16px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed rgba(16, 24, 40, 0.1);
  font-size: 12px;
  color: var(--text-faint);
}

.clock__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* 断开连接状态 */
.clock.is-offline .clock__time {
  color: #c2410c;
}

/* ===================== 标签 ===================== */
.tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.tags li {
  padding: 5px 11px;
  font-size: 12px;
  color: var(--text-soft);
  background: rgba(16, 24, 40, 0.04);
  border: 1px solid rgba(16, 24, 40, 0.06);
  border-radius: 8px;
}

/* 页脚 */
.footer {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid rgba(16, 24, 40, 0.07);
  font-size: 12.5px;
  color: var(--text-faint);
}

.footer strong {
  color: var(--text-soft);
  font-weight: 600;
}

/* ===================== 响应式 ===================== */
@media (max-width: 480px) {
  body {
    padding: 20px 14px;
  }

  .card {
    padding: 32px 22px 24px;
    border-radius: 22px;
  }

  .clock {
    padding: 20px 14px 16px;
  }
}

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