/* ============================================================
   Peoples Potato Party of Canada — Civic Participation Platform
   Colour palette: soil brown, cream, earth green.
   Consistent with Article 13 (Symbolism of Brown).
   WCAG 2.1 AA target: all text/background combinations ≥ 4.5:1.
   ============================================================ */

/* --- Custom properties --------------------------------------------------- */
:root {
  --brown-darkest:  #2C1A0E;   /* deepest text, headings */
  --brown-dark:     #4A2C1A;   /* nav background, strong accents */
  --brown-mid:      #6B4226;   /* primary brand, links */
  --brown-light:    #8B6248;   /* secondary links, captions */
  --brown-pale:     #C49A6C;   /* borders, dividers */
  --cream-dark:     #E8D5B7;   /* card backgrounds */
  --cream-light:    #FAF4EC;   /* page background */
  --white:          #FFFFFF;
  --text-primary:   #2C1A0E;
  --text-secondary: #5C3D2E;
  --text-muted:     #7A5C47;
  --green-earth:    #3D6B4A;   /* adopted/pass states */
  --green-pale:     #D4EAD8;
  --red-earth:      #7A2E1E;   /* warning/error */
  --red-pale:       #F5D9D4;
  --shadow-sm:      0 1px 3px rgba(44,26,14,0.12);
  --shadow-md:      0 4px 12px rgba(44,26,14,0.15);
  --radius:         4px;
  --radius-md:      8px;
  --font-serif:     Georgia, 'Times New Roman', serif;
  --font-sans:      system-ui, -apple-system, 'Segoe UI', sans-serif;
  --max-width:      1100px;
  --nav-height:     56px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--cream-light);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* --- Focus visible -------------------------------------------------------- */
:focus-visible {
  outline: 3px solid var(--brown-mid);
  outline-offset: 2px;
  border-radius: var(--radius);
}

/* --- Typography ----------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--brown-darkest);
  line-height: 1.3;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; margin-top: 1.75rem; margin-bottom: 0.5rem; }
h3 { font-size: 1.2rem; margin-top: 1.5rem; margin-bottom: 0.4rem; }
h4 { font-size: 1rem; margin-top: 1.25rem; margin-bottom: 0.3rem; }

p { margin-bottom: 1rem; }

a {
  color: var(--brown-mid);
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:hover { color: var(--brown-dark); }

ul, ol { padding-left: 1.5rem; margin-bottom: 1rem; }
li { margin-bottom: 0.25rem; }

code {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  font-size: 0.875em;
  background: var(--cream-dark);
  padding: 0.1em 0.35em;
  border-radius: var(--radius);
}

pre {
  background: var(--cream-dark);
  border: 1px solid var(--brown-pale);
  border-radius: var(--radius-md);
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1rem;
}
pre code { background: none; padding: 0; }

blockquote {
  border-left: 4px solid var(--brown-pale);
  padding-left: 1rem;
  color: var(--text-secondary);
  margin: 1rem 0;
  font-style: italic;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}
th {
  background: var(--brown-dark);
  color: var(--white);
  padding: 0.5rem 0.75rem;
  text-align: left;
  font-family: var(--font-sans);
  font-weight: 600;
}
td { padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--cream-dark); }
tr:nth-child(even) td { background: var(--cream-light); }

hr {
  border: none;
  border-top: 1px solid var(--brown-pale);
  margin: 1.75rem 0;
}

strong { font-weight: 700; }

/* --- Navigation ----------------------------------------------------------- */
.site-nav {
  background: var(--brown-dark);
  height: var(--nav-height);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-brand {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: bold;
  color: var(--cream-light);
  text-decoration: none;
  letter-spacing: 0.01em;
  flex-shrink: 0;
  padding-right: 1.5rem;
}
.nav-brand:hover { color: var(--white); }

.nav-brand .potato-icon { font-style: normal; margin-right: 0.35em; }

.nav-links {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 0;
  flex: 1;
}

.nav-links a {
  display: block;
  padding: 0 1rem;
  height: var(--nav-height);
  line-height: var(--nav-height);
  color: var(--cream-dark);
  text-decoration: none;
  font-size: 0.9rem;
  transition: background 0.15s, color 0.15s;
}
.nav-links a:hover,
.nav-links a.active {
  background: var(--brown-darkest);
  color: var(--white);
}

.nav-github {
  margin-left: auto;
  flex-shrink: 0;
}
.nav-github a {
  display: flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.85rem;
  color: var(--brown-pale);
  text-decoration: none;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--brown-pale);
  border-radius: var(--radius);
}
.nav-github a:hover { color: var(--white); border-color: var(--white); }

/* --- Page layout ---------------------------------------------------------- */
.page-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem;
  flex: 1;
  width: 100%;
}

.page-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--brown-pale);
}
.page-header h1 { margin-bottom: 0.35rem; }
.page-header p { color: var(--text-secondary); margin: 0; font-size: 1rem; }

/* --- Hero (home page) ----------------------------------------------------- */
.hero {
  background: var(--brown-dark);
  color: var(--cream-light);
  padding: 3.5rem 1.25rem;
  text-align: center;
}
.hero-inner { max-width: 760px; margin: 0 auto; }
.hero h1 {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.hero .tagline {
  font-size: 1.1rem;
  color: var(--cream-dark);
  margin-bottom: 0;
  line-height: 1.65;
}
.hero .hero-badge {
  display: inline-block;
  margin-bottom: 1.25rem;
  font-size: 3rem;
  line-height: 1;
}

/* --- Cards ---------------------------------------------------------------- */
.card {
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.card h2 { font-size: 1.15rem; margin-top: 0; margin-bottom: 0.4rem; }
.card p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 0; }

.card-link {
  display: inline-block;
  margin-top: 0.85rem;
  color: var(--brown-mid);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}
.card-link:hover { color: var(--brown-dark); text-decoration: underline; }

/* --- Two-column layout (manifesto browser) -------------------------------- */
.two-col {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.article-list-panel {
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: sticky;
  top: calc(var(--nav-height) + 1.25rem);
  max-height: calc(100vh - var(--nav-height) - 2.5rem);
  overflow-y: auto;
}

.article-list-panel h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0.75rem 1rem 0.5rem;
  margin: 0;
  border-bottom: 1px solid var(--cream-dark);
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 1;
}

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

.article-list li a {
  display: block;
  padding: 0.65rem 1rem;
  font-size: 0.875rem;
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--cream-light);
  transition: background 0.1s;
  line-height: 1.4;
}
.article-list li a:hover { background: var(--cream-light); }
.article-list li a.active {
  background: var(--cream-dark);
  color: var(--brown-dark);
  font-weight: 600;
}

/* --- Article content panel ------------------------------------------------ */
.article-panel {
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: var(--radius-md);
  padding: 2rem 2.25rem;
  min-height: 400px;
}

.article-panel .article-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--cream-dark);
}

/* --- Loading / error states ----------------------------------------------- */
.state-loading,
.state-error,
.state-empty {
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
}
.state-error { color: var(--red-earth); }

.spinner {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 3px solid var(--cream-dark);
  border-top-color: var(--brown-mid);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  margin-bottom: 0.75rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Badges --------------------------------------------------------------- */
.badge {
  display: inline-block;
  padding: 0.2em 0.55em;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  vertical-align: middle;
}
.badge-open  { background: var(--green-pale);  color: var(--green-earth); }
.badge-draft { background: var(--cream-dark);  color: var(--text-muted); }
.badge-label { background: var(--cream-dark);  color: var(--brown-mid); }

/* --- PR list (proposals) -------------------------------------------------- */
.pr-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.pr-item {
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-sm);
}

.pr-item-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.pr-item-title a { color: var(--text-primary); text-decoration: none; }
.pr-item-title a:hover { color: var(--brown-mid); text-decoration: underline; }

.pr-item-meta {
  font-size: 0.83rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

/* --- Stats grid (dashboard) ----------------------------------------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.stat-card .stat-value {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: bold;
  color: var(--brown-mid);
  line-height: 1.2;
  display: block;
}
.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.3rem;
  display: block;
}

/* --- Commit list ---------------------------------------------------------- */
.commit-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.commit-item {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--cream-dark);
  font-size: 0.9rem;
}
.commit-item:last-child { border-bottom: none; }
.commit-sha {
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-shrink: 0;
  width: 5ch;
  overflow: hidden;
}
.commit-msg { flex: 1; color: var(--text-primary); }
.commit-date { flex-shrink: 0; color: var(--text-muted); font-size: 0.8rem; }

/* --- Submit CTA ----------------------------------------------------------- */
.submit-cta {
  background: var(--brown-dark);
  color: var(--cream-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-top: 2rem;
}
.submit-cta h2 { color: var(--white); margin-top: 0; font-size: 1.25rem; }
.submit-cta p { color: var(--cream-dark); margin-bottom: 1.25rem; font-size: 0.95rem; }

.btn {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--cream-light);
  color: var(--brown-dark);
}
.btn-primary:hover { background: var(--white); color: var(--brown-darkest); }

.btn-outline {
  background: transparent;
  color: var(--cream-light);
  border-color: var(--cream-dark);
}
.btn-outline:hover { background: var(--cream-light); color: var(--brown-dark); }

/* --- Section header ------------------------------------------------------- */
.section-heading {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--cream-dark);
}

/* --- Footer --------------------------------------------------------------- */
.site-footer {
  background: var(--brown-darkest);
  color: var(--brown-pale);
  padding: 1.5rem 1.25rem;
  font-size: 0.85rem;
  text-align: center;
}
.site-footer a { color: var(--brown-pale); }
.site-footer a:hover { color: var(--cream-light); }

/* --- Pipeline status badge ------------------------------------------------ */
.pipeline-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.85rem;
  padding: 0.3em 0.75em;
  border-radius: 999px;
  font-weight: 600;
}
.pipeline-pass { background: var(--green-pale); color: var(--green-earth); }
.pipeline-fail { background: var(--red-pale);   color: var(--red-earth); }
.pipeline-unknown { background: var(--cream-dark); color: var(--text-muted); }

/* --- Responsive ----------------------------------------------------------- */
@media (max-width: 760px) {
  .two-col {
    grid-template-columns: 1fr;
  }

  .article-list-panel {
    position: static;
    max-height: none;
  }

  /* On mobile, hide content panel until an article is selected */
  .article-panel.hidden-mobile { display: none; }
  .article-list-panel.hidden-mobile { display: none; }

  h1 { font-size: 1.6rem; }
  .hero h1 { font-size: 1.75rem; }

  .nav-links { display: none; }
  .nav-brand { font-size: 0.95rem; }

  .article-panel { padding: 1.25rem; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}