:root {
  --bg: linear-gradient(145deg, #eef2ff 0%, #f6fbff 50%, #ffffff 100%);
  --text: #0f172a;
  --muted: #475569;
  --card-bg: rgba(255, 255, 255, 0.8);
  --accent: #0ea5e9;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: linear-gradient(145deg, #0f172a 0%, #111827 45%, #1f2937 100%);
    --text: #e2e8f0;
    --muted: #94a3b8;
    --card-bg: rgba(15, 23, 42, 0.7);
    --accent: #38bdf8;
    --shadow: 0 20px 50px rgba(2, 6, 23, 0.45);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "PingFang SC", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(520px, 92vw);
  text-align: center;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border-radius: 24px;
  padding: 36px 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.label {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

.name {
  margin: 10px 0 16px;
  font-size: clamp(28px, 5vw, 40px);
  letter-spacing: 0.02em;
}

.days {
  margin: 0;
  font-size: clamp(30px, 8vw, 56px);
  font-weight: 700;
  color: var(--accent);
}

.date {
  margin: 12px 0 0;
  font-size: 16px;
  color: var(--muted);
}

.status {
  min-height: 22px;
  margin: 12px 0 0;
  font-size: 14px;
  color: #ef4444;
}

.upcoming {
  margin-top: 18px;
  text-align: left;
}

.upcoming-title {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--muted);
}

.upcoming-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.upcoming-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(148, 163, 184, 0.12);
  font-size: 14px;
}

.upcoming-meta {
  color: var(--muted);
}

.footer {
  margin-top: 16px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

.icp,
.psb {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  text-decoration: none;
}

.psb-icon {
  width: 16px;
  height: 16px;
  display: inline-block;
}

.icp:hover,
.psb:hover {
  text-decoration: underline;
}