/* ==========================================================================
   Washington Indigenous Wars — shared stylesheet
   Design concept: a territorial ledger / survey-map archive.
   Dark, warm ground (like aged walnut-ink) with parchment document
   panels, a rust wax-seal accent for emphasis, and a river-blue accent
   for wayfinding — a nod to the Columbia/Yakima river systems that
   shape this history.
   ========================================================================== */

:root {
  --ink: #1c1712;
  --ground: #26201a;         /* page background: warm dark walnut */
  --ground-alt: #2f2820;
  --parchment: #ece1c6;      /* document panels */
  --parchment-dim: #ddceaa;
  --parchment-line: #cdbb8f;
  --rust: #a4462c;           /* wax-seal accent */
  --rust-dim: #7c3521;
  --river: #3b5b68;          /* river-blue accent */
  --river-dim: #294450;
  --ink-soft: #4a4136;

  --font-display: "Spectral", Georgia, "Times New Roman", serif;
  --font-body: "Source Serif 4", Georgia, serif;
  --font-meta: "Special Elite", "Courier New", monospace;

  --max-width: 880px;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  background-image:
    radial-gradient(ellipse at top left, rgba(255,255,255,0.03), transparent 60%),
    radial-gradient(ellipse at bottom right, rgba(0,0,0,0.25), transparent 60%);
  color: var(--parchment);
  font-family: var(--font-body);
  font-size: 1.08rem;
  line-height: 1.65;
}

a { color: var(--rust); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: #c85a3b; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--river); outline-offset: 3px; }

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--parchment);
  line-height: 1.2;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2.1rem, 4vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.25rem; }

.meta, .eyebrow, figcaption, .site-header .tagline {
  font-family: var(--font-meta);
  letter-spacing: 0.03em;
}

/* ---------- skip link ---------- */
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--rust); color: #fff; padding: 0.6em 1em; z-index: 100;
}
.skip-link:focus { left: 1em; top: 1em; }

/* ---------- header / masthead ---------- */
.site-header {
  border-bottom: 3px double var(--parchment-line);
  background: linear-gradient(180deg, var(--ground-alt), var(--ground));
  padding: 1.6rem 1.2rem 0;
}
.masthead {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}
.masthead .eyebrow {
  display: block;
  font-size: 0.72rem;
  color: var(--parchment-dim);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.masthead h1 {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  margin-bottom: 0.15em;
}
.masthead .tagline {
  font-size: 0.85rem;
  color: var(--parchment-dim);
  margin-bottom: 1.2rem;
}

/* ---------- nav ---------- */
nav.primary {
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid var(--parchment-line);
}
nav.primary ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.2rem 1.6rem;
  margin: 0;
  padding: 0.9rem 0;
}
nav.primary li { position: relative; }
nav.primary a {
  color: var(--parchment);
  font-family: var(--font-meta);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}
nav.primary a:hover,
nav.primary a[aria-current="page"] {
  border-bottom-color: var(--rust);
  color: #fff;
}
nav.primary .submenu {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0.4rem 0 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  border-left: 2px solid var(--rust-dim);
}
nav.primary .submenu a {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--parchment-dim);
  opacity: 1;
}
nav.primary .submenu a:hover,
nav.primary .submenu a[aria-current="page"] {
  color: #fff;
  border-bottom-color: var(--rust);
}

/* ---------- layout shell ---------- */
main { display: block; }
.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.6rem 1.2rem 3rem;
}

/* ---------- hero / intro ---------- */
.hero-intro {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.6rem 1.2rem 0;
  text-align: center;
  color: var(--parchment-dim);
  font-style: italic;
}

/* ---------- parchment panel (document card) ---------- */
.panel {
  background: var(--parchment);
  color: var(--ink);
  border: 1px solid var(--parchment-line);
  border-radius: 2px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.35);
  padding: 2rem clamp(1.2rem, 4vw, 2.6rem);
  margin: 0 0 2.4rem;
}
.panel h2, .panel h3, .panel h4 { color: var(--ink); }
.panel a { color: var(--rust-dim); }
.panel::before {
  content: "";
  display: block;
  height: 4px;
  margin: -2rem clamp(-1.2rem, -4vw, -2.6rem) 1.6rem;
  background: linear-gradient(90deg, var(--rust), var(--river));
}

/* ---------- the signature element: the trail line ---------- */
/* A dotted wagon-trail / river route connecting chronological
   entries — used on the Home and Time Line pages, echoing the
   seasonal-round and treaty-trail routes described in the text. */
.trail {
  position: relative;
  margin: 0 0 2.4rem;
  padding-left: 2.2rem;
  border-left: 3px dotted var(--rust-dim);
}
.trail-stop {
  position: relative;
  margin-bottom: 2rem;
}
.trail-stop:last-child { margin-bottom: 0; }
.trail-stop::before {
  content: "";
  position: absolute;
  left: -2.55rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  background: var(--river);
  border: 2px solid var(--parchment);
  border-radius: 50%;
}
.trail-stop .date {
  font-family: var(--font-meta);
  font-size: 0.78rem;
  color: var(--rust-dim);
  display: block;
  margin-bottom: 0.2rem;
}
.trail-stop h3 { margin-bottom: 0.3em; }
.trail-era-label {
  font-family: var(--font-meta);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--river-dim);
  display: block;
  margin: 2.2rem 0 0.6rem;
}
.trail-era-label:first-child { margin-top: 0; }

/* ---------- pull quote / speech block ---------- */
blockquote.speech {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--ink);
  border-left: 4px solid var(--rust);
  padding: 0.2rem 0 0.2rem 1.4rem;
  margin: 1.6rem 0;
}
blockquote.speech cite {
  display: block;
  font-family: var(--font-meta);
  font-style: normal;
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-top: 0.5rem;
}

/* ---------- figure / captions ---------- */
figure { margin: 0 0 1.8rem; }
figure img {
  border: 6px solid #fff;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
figcaption {
  font-size: 0.78rem;
  color: var(--parchment-dim);
  margin-top: 0.6rem;
  text-align: center;
}
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.6rem 1.2rem;
  margin: 2rem 0;
}

/* ---------- two-column page: narrative + portrait rail ---------- */
/* Signature layout for image-rich pages: the war-time photographs
   travel down the right margin like a survey map's marginalia,
   roughly level with the events they depict. */
.with-rail {
  --rail-width: 232px;
  max-width: calc(var(--max-width) + var(--rail-width) + 2.4rem);
  margin: 0 auto;
  padding: 2.6rem 1.2rem 3rem;
  display: grid;
  grid-template-columns: 1fr var(--rail-width);
  gap: 0 2.4rem;
  align-items: start;
}
.with-rail .narrative { min-width: 0; }
.image-rail {
  position: sticky;
  top: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}
.image-rail figure {
  margin: 0;
  background: var(--parchment);
  padding: 0.5rem 0.5rem 0.9rem;
  border: 1px solid var(--parchment-line);
  box-shadow: 0 10px 26px rgba(0,0,0,0.35);
}
.image-rail figure img {
  border: none;
  box-shadow: none;
  width: 100%;
}
.image-rail figcaption {
  color: var(--ink-soft);
  text-align: left;
  padding: 0 0.2rem;
}
.image-rail figcaption .rail-label {
  display: block;
  font-size: 0.68rem;
  color: var(--rust-dim);
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

@media (max-width: 860px) {
  .with-rail {
    grid-template-columns: 1fr;
  }
  .image-rail {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.2rem;
  }
  .image-rail figure {
    flex: 1 1 150px;
    max-width: 220px;
  }
}

/* ---------- chapter list ---------- */
.chapters { list-style: none; margin: 0; padding: 0; counter-reset: chapter; }
.chapters li {
  counter-increment: chapter;
  padding: 1rem 0 1rem 3rem;
  position: relative;
  border-bottom: 1px solid var(--parchment-line);
}
.chapters li:last-child { border-bottom: none; }
.chapters li::before {
  content: counter(chapter, upper-roman);
  position: absolute;
  left: 0;
  top: 1rem;
  font-family: var(--font-meta);
  font-size: 0.75rem;
  color: var(--rust-dim);
  width: 2.4rem;
}
.chapters h4 { margin-bottom: 0.25em; font-size: 1.05rem; }
.chapters p { margin: 0; font-size: 0.96rem; }

/* ---------- data table ---------- */
.data-table-wrap { overflow-x: auto; margin: 1.6rem 0; }
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background: #fff;
}
table.data caption {
  text-align: left;
  font-family: var(--font-meta);
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}
table.data th, table.data td {
  border: 1px solid var(--parchment-line);
  padding: 0.55rem 0.7rem;
  text-align: left;
  vertical-align: top;
}
table.data thead th {
  background: var(--parchment-dim);
  font-family: var(--font-meta);
  font-size: 0.75rem;
  text-transform: uppercase;
}
table.data tfoot td { font-weight: 700; background: var(--parchment-dim); }

/* ---------- bibliography ---------- */
.biblio-entry { margin: 0 0 1.8rem; padding-bottom: 1.6rem; border-bottom: 1px solid var(--parchment-line); }
.biblio-entry:last-child { border: none; margin: 0; padding: 0; }
.biblio-entry .citation { font-family: var(--font-display); font-style: italic; margin-bottom: 0.4em; }

/* ---------- callout ---------- */
.callout {
  background: var(--parchment-dim);
  border-left: 4px solid var(--river);
  padding: 1rem 1.4rem;
  margin: 1.6rem 0;
  font-size: 0.95rem;
}

/* ---------- footer ---------- */
.site-footer {
  border-top: 3px double var(--parchment-line);
  background: var(--ground-alt);
  padding: 2.6rem 1.2rem 2rem;
  text-align: center;
}
.site-footer .wrap { padding-top: 0; padding-bottom: 0; }
.site-footer nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.4rem;
  padding: 0;
  margin: 0 0 1.6rem;
  font-family: var(--font-meta);
  font-size: 0.78rem;
}
.site-footer nav a { color: var(--parchment); text-decoration: none; }
.site-footer nav a:hover { color: var(--rust); }
.site-footer .about {
  max-width: 640px;
  margin: 0 auto 1.8rem;
  color: var(--parchment-dim);
  font-size: 0.92rem;
}
.site-footer .about strong { color: var(--parchment); }

.contact-form {
  max-width: 480px;
  margin: 0 auto 1.8rem;
  text-align: left;
  display: grid;
  gap: 0.8rem;
}
.contact-form label {
  font-family: var(--font-meta);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--parchment-dim);
}
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  background: var(--parchment);
  border: 1px solid var(--parchment-line);
  border-radius: 2px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
}
.contact-form button {
  justify-self: start;
  background: var(--rust);
  color: #fff;
  border: none;
  padding: 0.65rem 1.6rem;
  font-family: var(--font-meta);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  border-radius: 2px;
  cursor: pointer;
}
.contact-form button:hover { background: var(--rust-dim); }

.copyright {
  font-family: var(--font-meta);
  font-size: 0.72rem;
  color: var(--parchment-dim);
}

/* ---------- responsive ---------- */
@media (max-width: 620px) {
  nav.primary ul { gap: 0.4rem 1rem; }
  .panel { padding: 1.6rem 1.2rem; }
  .trail { padding-left: 1.6rem; }
  .trail-stop::before { left: -1.95rem; }
}

/* ---------- Splawn chat widget ---------- */
.splawn-chat { margin-top: 2rem; border-top: 3px double var(--parchment-line); padding-top: 2rem; }
.chat-disclaimer {
  font-family: var(--font-meta);
  font-size: 0.78rem;
  color: var(--ink-soft);
  background: var(--parchment-dim);
  border-left: 3px solid var(--rust);
  padding: 0.8rem 1rem;
  margin-bottom: 1.4rem;
}
.chat-messages {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  max-height: 420px;
  overflow-y: auto;
  padding: 1rem;
  margin-bottom: 1rem;
  background: var(--parchment-dim);
  border: 1px solid var(--parchment-line);
  border-radius: 4px;
}
.chat-bubble {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.5;
  padding: 0.7rem 1rem;
  border-radius: 6px;
  max-width: 85%;
  white-space: pre-wrap;
}
.chat-bubble-bot {
  background: var(--parchment);
  border: 1px solid var(--parchment-line);
  align-self: flex-start;
}
.chat-bubble-user {
  background: var(--rust);
  color: #fff;
  align-self: flex-end;
}
.chat-form { display: flex; gap: 0.6rem; align-items: flex-end; }
.chat-form textarea {
  flex: 1;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--parchment-line);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  resize: vertical;
}
.chat-form button {
  font-family: var(--font-meta);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--rust);
  color: #fff;
  border: none;
  padding: 0.7rem 1.2rem;
  border-radius: 4px;
  cursor: pointer;
}
.chat-form button:hover { background: var(--rust-dim); }
.chat-form button:disabled { opacity: 0.6; cursor: not-allowed; }
.chat-status { font-family: var(--font-meta); font-size: 0.78rem; color: var(--ink-soft); min-height: 1.2em; margin-top: 0.4rem; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
@media (max-width: 620px) {
  .chat-bubble { max-width: 100%; }
}