/* Theme variables */
:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #666666;
  --card-bg: #ffffff;
  --card-border: rgba(0,0,0,0.06);
  --button-bg: #f3f3f3;
  --header-border: rgba(0,0,0,0.08);
  --link: #1a0dab;
}

html[data-theme="dark"] {
  --bg: #0b0b0b;
  --text: #e6e6e6;
  --muted: #9b9b9b;
  --card-bg: #0f0f12;
  --card-border: rgba(255,255,255,0.06);
  --button-bg: rgba(255,255,255,0.04);
  --header-border: rgba(255,255,255,0.06);
  --link: #7da7ff;
}

/* Page-level layout (makes footer stick to bottom) */
html, body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Content container */
.inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.25rem;
  /* keep inner transparent so root background shows through */
  background: transparent;
  color: inherit;
}

/* Header / nav */
.site-header {
  border-bottom: 1px solid var(--header-border);
  margin-bottom: 1rem;
  background: transparent;
}
.site-title {
  display: inline-block;
  margin: 0;
  font-size: 1.25rem;
}
.site-title a {
  text-decoration: none;
  color: inherit;
}
.site-nav {
  float: right;
  margin-top: 6px;
}
.site-nav a {
  margin-left: 1rem;
  text-decoration: none;
  color: inherit;
  font-weight: 500;
}

/* Responsive nav */
@media (max-width: 640px) {
  .site-nav {
    float: none;
    margin-top: 0.75rem;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
  }
  .site-title {
    display: block;
    margin-bottom: 0.5rem;
  }
}

/* Main area grows to push footer down */
.site-main {
  flex: 1;
}

/* Footer */
.site-footer {
  padding: 1rem 0;
  text-align: center;
  background: transparent;
  color: inherit;
  border-top: 0; /* keep subtle */
}

/* Links */
a {
  color: var(--link);
}

/* Work grid */
.paper-grid {
  display: grid;
  grid-template-columns: 1fr;  /* exactly one column */
  gap: 1rem;
  margin-top: 1rem;
}

/* Paper cards — use variables so they respond to theme */
.paper {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--card-border);
  padding: 0.75rem;
  border-radius: 6px;
  transition: background .15s ease, color .15s ease, border-color .15s ease, box-shadow .15s ease;
  box-shadow: 0 1px 0 rgba(0,0,0,0.02);
}

/* Slight lift on hover (subtle) */
.paper:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}

/* Text inside paper */
.paper h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
}
.paper .meta {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.paper p {
  margin: 0.5rem 0 0;
  font-size: 0.95rem;
  color: var(--text);
}

/* Button/link inside paper */
.paper a.button {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.35rem 0.6rem;
  border-radius: 4px;
  background: var(--button-bg);
  text-decoration: none;
  color: inherit;
  font-size: 0.9rem;
  border: 1px solid transparent;
}

/* Ensure theme-specific overrides are applied with equal specificity */
html[data-theme="dark"] .paper,
html[data-theme="dark"] .paper-grid .paper {
  background: var(--card-bg);
  color: var(--text);
  border-color: var(--card-border);
}

/* Helpful overrides for theme rules that target other selectors */
.site-header, .site-main, .site-footer, .inner, .paper-grid {
  background: transparent;
  color: inherit;
}

/* Muted only for metadata (papers, small labels) */
.meta,
.paper .meta {
  color: var(--muted);
}

/* Normal paragraphs in main content should use the primary text color */
.site-main p,
.site-main li,
.site-main blockquote {
  color: var(--text);
}

/* Utility: make sure forms/buttons inherit color */
button, input, textarea {
  color: inherit;
  background: transparent;
  border: 1px solid var(--card-border);
}

/* Small-screen adjustments */
@media (max-width: 420px) {
  .inner { padding: 0.75rem; }
  .site-title { font-size: 1.1rem; }
}

.wrapper {
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.wrapper > section {
    flex: 1;
}

/* Ensure main content uses primary text color (no more muted body text) */
.site-main,
.site-main .inner,
.site-main p,
.site-main li,
.site-main h1,
.site-main h2,
.site-main h3,
.site-main blockquote,
.site-main a {
  color: var(--text);
}