/* ============================================================
 *  恋爱日常 · 集合体首页
 *  目前只做布局：顶部居中标题 + 下方两个等宽等高的入口框
 * ============================================================ */
:root {
  --bg: #fbf7f8;
  --text: #2a2026;
  --muted: #8f7d86;
  --line: rgba(80, 48, 64, .09);
  --card: #fffdfd;
  --shadow: 0 18px 44px rgba(106, 62, 82, .13), 0 2px 5px rgba(106, 62, 82, .05);
  --radius: 28px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171015;
    --text: #fbefF4;
    --muted: #b9a2ad;
    --line: rgba(255, 224, 238, .11);
    --card: #241920;
    --shadow: 0 18px 44px rgba(0, 0, 0, .38), 0 2px 5px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100dvh;
  background:
    radial-gradient(60% 48% at 14% -4%, rgba(255, 198, 220, .62), transparent 70%),
    radial-gradient(52% 42% at 92% 12%, rgba(213, 199, 255, .55), transparent 70%),
    radial-gradient(45% 35% at 50% 108%, rgba(255, 219, 205, .48), transparent 70%),
    var(--bg);
  color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
}
@media (prefers-color-scheme: dark) {
  body {
    background:
      radial-gradient(60% 48% at 14% -4%, rgba(125, 44, 85, .34), transparent 70%),
      radial-gradient(52% 42% at 92% 12%, rgba(80, 66, 140, .34), transparent 70%),
      radial-gradient(45% 35% at 50% 108%, rgba(113, 62, 60, .26), transparent 70%),
      var(--bg);
  }
}
.home {
  width: 100%;
  max-width: 560px;
  min-height: 100dvh;
  margin: 0 auto;
  padding: calc(24px + var(--safe-top)) 18px calc(24px + var(--safe-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero {
  width: 100%;
  text-align: center;
  padding-top: clamp(18px, 9vh, 76px);
}
.hero h1 {
  margin: 0;
  font-size: clamp(40px, 12vw, 58px);
  font-weight: 800;
  letter-spacing: .12em;
  line-height: 1.15;
  color: var(--text);
}
.hero h1::after {
  content: "";
  display: block;
  width: 34px;
  height: 3px;
  margin: 18px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(236, 132, 171, .18), rgba(236, 132, 171, .9), rgba(236, 132, 171, .18));
}
.tiles {
  width: 100%;
  margin-top: clamp(34px, 9vh, 76px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.tile {
  aspect-ratio: 1 / 1;
  min-width: 0;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 3.4vw, 18px);
  padding: 14px;
}
.tile-calendar {
  background:
    radial-gradient(90% 78% at 20% 0%, rgba(255, 218, 203, .88), transparent 72%),
    var(--card);
  color: #c76f62;
}
.tile-wheel {
  background:
    radial-gradient(90% 78% at 80% 0%, rgba(228, 216, 255, .9), transparent 72%),
    var(--card);
  color: #8c73cf;
  position: relative;
  cursor: pointer;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .2s ease;
}
.tile-wheel:hover { box-shadow: 0 22px 50px rgba(106, 62, 82, .18), 0 2px 5px rgba(106, 62, 82, .05); }
.tile-wheel:active { transform: scale(.97); }
.tile-wheel::after {
  content: "↗";
  position: absolute; top: 12px; right: 15px;
  font-size: 15px; font-weight: 700; opacity: .55;
}
@media (prefers-color-scheme: dark) {
  .tile-calendar {
    background: radial-gradient(90% 78% at 20% 0%, rgba(112, 55, 47, .5), transparent 72%), var(--card);
    color: #ffb5a6;
  }
  .tile-wheel {
    background: radial-gradient(90% 78% at 80% 0%, rgba(72, 57, 128, .55), transparent 72%), var(--card);
    color: #c2b4ff;
  }
}
.tile-icon {
  width: clamp(44px, 13vw, 60px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}
.tile-icon svg { width: 100%; height: 100%; display: block; }
.tile h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(15px, 4.1vw, 18px);
  font-weight: 700;
  letter-spacing: .04em;
}
@media (min-width: 560px) {
  .tiles { gap: 16px; }
}