:root {
  color-scheme: light;
  --bg: #f7f5ef;
  --surface: #ffffff;
  --text: #1d2523;
  --muted: #69736f;
  --border: #d8ddd7;
  --accent: #145c55;
  --accent-soft: #e3efec;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: var(--accent);
}

button {
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
  font: inherit;
  min-height: 40px;
  padding: 0.5rem 0.8rem;
}

button.secondary,
.actions button {
  background: var(--surface);
  color: var(--accent);
}

.shell {
  margin: 0 auto;
  max-width: 720px;
  min-height: 100vh;
  padding: 1rem;
}

.topbar {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.eyebrow,
.note-meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

h1,
h2 {
  line-height: 1.15;
  margin: 0;
}

.note-list {
  display: grid;
  gap: 0.8rem;
}

.note-card,
.empty,
.reader {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}

.note-title {
  color: var(--text);
  display: inline-block;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  text-decoration: none;
}

.note-preview {
  color: var(--muted);
  display: -webkit-box;
  margin: 0.75rem 0;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.actions form {
  flex: 1 1 5rem;
}

.actions button {
  width: 100%;
}

.empty {
  text-align: center;
}

.empty p {
  color: var(--muted);
  margin: 0.5rem 0 0;
}

.reader-shell {
  padding-top: 1.5rem;
}

.back-link {
  display: inline-block;
  margin-bottom: 1rem;
  text-decoration: none;
}

.reader-header {
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
  padding-bottom: 1rem;
}

.source-link {
  display: inline-block;
  margin-top: 0.75rem;
}

.content {
  overflow-wrap: anywhere;
}

.content img {
  border-radius: 8px;
  display: block;
  height: auto;
  max-width: 100%;
}

@media (min-width: 720px) {
  .shell {
    padding: 2rem;
  }
}

.nav {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a.current {
  color: var(--accent);
  font-weight: 700;
}

.tag {
  border-radius: 4px;
  font-size: 0.8rem;
  margin-right: 0.35rem;
  padding: 0.05rem 0.4rem;
}

.tag.fresh {
  background: var(--accent);
  color: #ffffff;
}

.tag.old {
  background: var(--accent-soft);
  color: var(--accent);
}

.day-heading {
  color: var(--muted);
  font-size: 1rem;
  margin: 1.5rem 0 0.6rem;
}