:root {
  --bg: #f4efe5;
  --card: rgba(255, 252, 247, 0.96);
  --ink: #182129;
  --muted: rgba(24, 33, 41, 0.68);
  --line: rgba(24, 33, 41, 0.1);
  --shadow: 0 18px 42px rgba(24, 33, 41, 0.08);
  --sans: "Manrope", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 132, 90, 0.14), transparent 24%),
    radial-gradient(circle at bottom right, rgba(32, 112, 255, 0.1), transparent 26%),
    linear-gradient(180deg, #f6f2ea 0%, #eee7da 100%);
}

.app {
  width: min(720px, calc(100vw - 24px));
  margin: 0 auto;
  padding: 20px 0 32px;
}

.message-box {
  margin-bottom: 12px;
  padding: 12px 14px;
  border-radius: 18px;
  border: 1px solid rgba(183, 56, 39, 0.18);
  background: rgba(183, 56, 39, 0.08);
  color: #9f3326;
  font-size: 14px;
}

.category-list {
  display: grid;
  gap: 12px;
}

.category-card,
.empty-state {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.category-mark {
  width: 10px;
  min-height: 56px;
  border-radius: 999px;
}

.category-content h2 {
  margin: 0;
  font-size: 19px;
  line-height: 1.15;
}

.category-content p,
.empty-state p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
}

.empty-state {
  grid-template-columns: 1fr;
  text-align: center;
}

@media (max-width: 640px) {
  .app {
    width: min(100vw - 16px, 720px);
    padding: 12px 0 24px;
  }

  .category-card,
  .empty-state {
    padding: 16px;
    border-radius: 20px;
  }

  .category-content h2 {
    font-size: 17px;
  }
}