*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Oatmeal palette (Shiori) */
  --oatmeal-50:  oklch(98.5% .008 75);
  --oatmeal-100: oklch(96%   .016 72);
  --oatmeal-200: oklch(92%   .018 68);
  --oatmeal-300: oklch(87%   .025 63);
  --oatmeal-400: oklch(71%   .038 58);
  --oatmeal-500: oklch(55%   .042 55);
  --oatmeal-600: oklch(44%   .038 52);
  --oatmeal-950: oklch(14.5% .012 44);

  --bg:        var(--oatmeal-50);
  --bg-raised: var(--oatmeal-100);
  --border:    var(--oatmeal-200);
  --text:      var(--oatmeal-950);
  --secondary: var(--oatmeal-600);
  --tertiary:  var(--oatmeal-500);
  --accent:    #ff8c42;
  --link:      #2c6fad;

  --max-width: 660px;
}

html {
  font-size: 20px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  line-height: 1.6;
  padding: 0 1.5rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Masthead */
.masthead {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.75rem 0 1.1rem;
  border-bottom: 1px solid var(--border);
}

.masthead-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.site-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
}

.tagline {
  font-size: 0.7rem;
  color: var(--tertiary);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-weight: 500;
}

/* Date bar */
.date-bar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.55rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.25rem;
}

.date-display {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--secondary);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

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

.date-nav button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--secondary);
  font-size: 0.72rem;
  font-family: inherit;
  font-weight: 500;
  padding: 0;
  letter-spacing: 0.01em;
  transition: color 0.12s;
}

.date-nav button:hover:not(:disabled) {
  color: var(--accent);
}

.date-nav button:disabled {
  opacity: 0.3;
  cursor: default;
}

/* Feed */
.feed {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Story */
.story {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.story:last-child {
  border-bottom: none;
}

.story-line {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text);
  font-weight: 400;
}

.story-line strong {
  font-weight: 600;
}

.story-link {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: var(--link);
  transition: color 0.12s, text-decoration-color 0.12s;
}

.story-link:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

/* States */
.state-message {
  max-width: var(--max-width);
  margin: 4rem auto;
  text-align: center;
  color: var(--secondary);
  font-size: 0.875rem;
  line-height: 1.7;
}

.state-message h2 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.state-message code {
  background: var(--bg-raised);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.8125rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  border: 1px solid var(--border);
}

/* Footer */
.footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 0 2.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--tertiary);
  text-align: center;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

@media (max-width: 480px) {
  html { font-size: 15px; }
  .masthead { padding: 1.25rem 0 0.9rem; }
}