/* ==========================================================================
   Elias Krasny — personal site
   Plain HTML + CSS. No build step, no dependencies, no tracking.
   ========================================================================== */

:root {
  color-scheme: light dark;

  --bg:         #e9dfc6;
  --text:       #201d15;
  --text-muted: #5c5647;
  --text-faint: #746c56;
  --rule:       #d1c4a2;
  --accent:     #1b4dbb;
  --underline:  #bcae88;
  --selection:  rgba(27, 77, 187, 0.14);

  --measure: 38rem;
  --pad-x:   1.5rem;
}

/* Explicit dark theme (set via the footer toggle). */
:root[data-theme="dark"] {
  color-scheme: dark;

  --bg:         #121212;
  --text:       #e9e9e7;
  --text-muted: #a2a2a2;
  --text-faint: #8a8a8a;
  --rule:       #2b2b2b;
  --accent:     #8fb2ff;
  --underline:  #454545;
  --selection:  rgba(143, 178, 255, 0.20);
}

:root[data-theme="light"] { color-scheme: light; }

/* System dark preference, unless the visitor forced light. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:         #121212;
    --text:       #e9e9e7;
    --text-muted: #a2a2a2;
    --text-faint: #8a8a8a;
    --rule:       #2b2b2b;
    --accent:     #8fb2ff;
    --underline:  #454545;
    --selection:  rgba(143, 178, 255, 0.20);
  }
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--selection); }

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 4rem var(--pad-x) 3rem;
}

@media (min-width: 42rem) {
  .wrap { padding: 6.5rem var(--pad-x) 4rem; }
}

section { margin-top: 2.75rem; }
.view > section:first-child { margin-top: 2.25rem; }

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */

h1, h2, h3 { margin: 0; font-weight: 700; line-height: 1.25; }

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--underline);
  text-underline-offset: 2px;
}
a:hover { text-decoration-color: currentColor; }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 1px;
}

@media (prefers-reduced-motion: no-preference) {
  a, .theme-toggle {
    transition: color 120ms ease, text-decoration-color 120ms ease;
  }
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.name {
  font-size: 1.9rem;
  margin-bottom: 0.4rem;
}

.tagline {
  margin: 0;
  max-width: 34rem;
  color: var(--text-muted);
}

.links {
  margin-top: 1.15rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.75rem;
  font-size: 0.9375rem;
}
.links a { color: var(--text-muted); text-decoration: none; }
.links a:hover { color: var(--text); text-decoration: underline; }
.links .sep { color: var(--text-faint); user-select: none; }
.links .email { color: var(--text-muted); }

/* --------------------------------------------------------------------------
   Section tabs
   -------------------------------------------------------------------------- */

.tabs {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  font-size: 0.9375rem;
}
.tabs a {
  color: var(--text-muted);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
}
.tabs a:hover { color: var(--text); }
.tabs a.is-active {
  color: var(--text);
  border-bottom-color: currentColor;
}
.tabs a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

/* --------------------------------------------------------------------------
   Views
   -------------------------------------------------------------------------- */

/* The view container is focused on tab switch so keyboard users land in the
   new content; it should not show a focus ring itself. */
.view:focus { outline: none; }

@media (prefers-reduced-motion: no-preference) {
  .js-tabs .view:not([hidden]) {
    animation: view-in 220ms ease both;
  }
  @keyframes view-in {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: none; }
  }
}

/* --------------------------------------------------------------------------
   Section headings
   -------------------------------------------------------------------------- */

.section-title {
  font-size: 1.375rem;
  margin-bottom: 0.75rem;
}

/* --------------------------------------------------------------------------
   Now
   -------------------------------------------------------------------------- */

.updated {
  display: block;
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--text-faint);
}

/* --------------------------------------------------------------------------
   Plain lists (Now, Affiliations)
   -------------------------------------------------------------------------- */

.simple-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.simple-list li { margin-bottom: 0.55rem; }
.simple-list li:last-child { margin-bottom: 0; }

.dim { color: var(--text-muted); }

/* Labelled sub-lists inside a section (Reading & podcasts). */
.list-group { margin-bottom: 1.75rem; }
.list-group:last-child { margin-bottom: 0; }
.list-group h3 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.55rem;
}
.list-group .by { color: var(--text-muted); }

/* --------------------------------------------------------------------------
   Work & involvements (timeline)
   -------------------------------------------------------------------------- */

.entry { margin-bottom: 1.9rem; }
.entry:last-child { margin-bottom: 0; }

.entry__date {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.entry__role { font-weight: 600; }
.entry__role a { color: inherit; }
.entry__org { color: var(--text-muted); }
.entry__org a { color: inherit; }

.entry__note {
  margin-top: 0.2rem;
  font-size: 0.9375rem;
}
.entry__note p { margin: 0; }

@media (min-width: 34rem) {
  .entry {
    display: grid;
    grid-template-columns: 8.5rem 1fr;
    column-gap: 1.75rem;
  }
  .entry__date { padding-top: 0.15rem; }
}

/* --------------------------------------------------------------------------
   Interests
   -------------------------------------------------------------------------- */

.interests {
  margin: 0;
  padding: 0;
  list-style: none;
}
.interests > li { margin-bottom: 0.7rem; }
.interests > li:last-child { margin-bottom: 0; }

/* Rows that expand (Music, Movies). Native <details>, no JS.
   Only the hint after the dash reads as a link; a caret flips when open. */
.drop > summary {
  cursor: pointer;
  width: fit-content;
  list-style: none;                 /* hide the default triangle (Chrome/FF) */
}
.drop > summary::-webkit-details-marker { display: none; }  /* Safari */
.drop > summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 1px;
}

.drop__more {
  color: var(--text-muted);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--underline);
  text-underline-offset: 2px;
}
.drop > summary:hover .drop__more {
  color: var(--text);
  text-decoration-color: currentColor;
}
.drop__more::after {
  content: "\25BE";                 /* down caret */
  display: inline-block;            /* keeps the caret clear of the underline */
  margin-left: 0.4rem;
  color: var(--text-faint);
}
.drop[open] .drop__more::after { transform: rotate(180deg); }

@media (prefers-reduced-motion: no-preference) {
  .drop__more::after { transition: transform 150ms ease; }
}

.drop__body {
  margin: 0.55rem 0 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  margin-top: 4.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--text-faint);
}

.theme-toggle {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.theme-toggle:hover { color: var(--text); text-decoration: underline; }

/* --------------------------------------------------------------------------
   Print
   -------------------------------------------------------------------------- */

@media print {
  .theme-toggle { display: none; }
  a { text-decoration: underline; }
  .wrap { padding: 0; max-width: none; }
}