/* Web reader. Browser-only, never shipped inside an EPUB.
 *
 * The asymmetry with epub-eink.css is the point: a browser can scroll
 * horizontally, so code keeps its original line lengths and wide tables keep
 * their grid. One stylesheet, no build step, no framework. */

:root {
  --ink: #16130f;
  --paper: #fbfaf7;
  --rule: #d9d3c8;
  --muted: #6b6357;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8e3da;
    --paper: #171614;
    --rule: #37332c;
    --muted: #9a9287;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.6 ui-serif, Georgia, "Iowan Old Style", serif;
}

.wrap {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 5rem;
}

a { color: inherit; }

header.site {
  border-bottom: 1px solid var(--rule);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: baseline;
}

header.site h1 {
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0;
  font-weight: 600;
}

header.site nav {
  font-size: 0.85rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-left: auto;
}

header.site nav a { color: var(--muted); text-decoration: none; }
header.site nav a:hover { color: var(--ink); text-decoration: underline; }

h2.shelf-title {
  font-size: 1.4rem;
  margin: 0 0 1.25rem;
}

ul.docs {
  list-style: none;
  margin: 0;
  padding: 0;
}

ul.docs li {
  border-bottom: 1px solid var(--rule);
  padding: 0.9rem 0;
}

ul.docs a.title {
  font-size: 1.1rem;
  text-decoration: none;
  font-weight: 600;
}

ul.docs a.title:hover { text-decoration: underline; }

.meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.25rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.summary {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.tag {
  font: 0.72rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.2rem 0.5rem;
  text-decoration: none;
  color: var(--muted);
}

.pager {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  font-size: 0.9rem;
}

/* --- document body ----------------------------------------------------- */

article { font-size: 1.05rem; }

article h1 { font-size: 1.7rem; margin: 2rem 0 0.6rem; }
article h2 { font-size: 1.3rem; margin: 1.8rem 0 0.5rem; }
article h3 { font-size: 1.1rem; margin: 1.5rem 0 0.4rem; }

article img { max-width: 100%; height: auto; }

.code {
  margin: 1.2rem 0;
  border-left: 3px solid var(--rule);
  padding-left: 0.8rem;
}

.code-lang {
  margin: 0 0 0.25rem;
  font: 0.7rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

pre {
  margin: 0;
  /* The whole reason the web door exists: no reflow, real scroll. */
  overflow-x: auto;
  white-space: pre;
}

pre, code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
}

.table-wrap {
  overflow-x: auto;
  margin: 1.2rem 0;
}

table {
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 100%;
}

th, td {
  border: 1px solid var(--rule);
  padding: 0.35rem 0.55rem;
  text-align: left;
  vertical-align: top;
}

blockquote {
  margin: 1.2rem 0;
  padding-left: 1rem;
  border-left: 2px solid var(--rule);
  color: var(--muted);
}

.placeholder { color: var(--muted); font-style: italic; }

.actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1rem 0 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule);
}

.button {
  display: inline-block;
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  text-decoration: none;
}

.button:hover { border-color: var(--ink); }

/* --- login ------------------------------------------------------------- */

.login {
  max-width: 22rem;
  margin: 18vh auto 0;
  padding: 0 1.25rem;
}

.login h1 {
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 1.25rem;
}

.login input[type="password"] {
  width: 100%;
  padding: 0.6rem 0.7rem;
  font-size: 1rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: transparent;
  color: inherit;
}

.login button {
  margin-top: 0.75rem;
  width: 100%;
  padding: 0.6rem;
  font-size: 0.95rem;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.error {
  color: #a3341f;
  font-size: 0.9rem;
  margin: 0 0 0.75rem;
}

@media (prefers-color-scheme: dark) {
  .error { color: #e08b74; }
}

.empty { color: var(--muted); font-style: italic; }