/* ============================================
   Shakespeare Sonnets — Dark Academic Theme
   Based on SHWEP design system
   ============================================ */

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

:root {
  /* Backgrounds */
  --bg-primary:     #1a1a1a;
  --bg-card:        #222222;
  --bg-hover:       #2a2a2a;
  --bg-active-tab:  #2e2424;

  /* Text */
  --text-primary:   #e8e6e3;
  --text-heading:   #ffffff;
  --text-muted:     #a8a5a0;
  --text-dim:       #6b6966;
  --text-quote:     #d4c9b8;

  /* Accents */
  --accent-primary: #c4785c;   /* Warm terracotta — sonnet warmth */
  --accent-hover:   #d4896d;
  --accent-fym:     #7ba3c9;   /* Cool blue — Fair Young Man */
  --accent-dl:      #c97b8b;   /* Dusky rose — Dark Lady */
  --accent-gold:    #c4a44a;   /* Gold — for featured/highlights */
  --accent-green:   #7ba882;   /* Sage — directing notes */
  --accent-purple:  #9b7bb8;   /* Lavender — contexts */

  /* Tab colors */
  --tab-analyses:   #c4785c;
  --tab-directing:  #7ba882;
  --tab-contexts:   #9b7bb8;
  --tab-essays:     #c4a44a;

  /* Borders */
  --border-subtle:  #333333;
  --border-focus:   #c4785c;

  /* Fonts */
  --font-heading: Georgia, "Times New Roman", Times, serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  --font-sonnet: Georgia, "Times New Roman", Times, serif;
  --font-mono: "SF Mono", "Fira Code", Menlo, monospace;

  /* Type Scale */
  --text-xs:   0.8125rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  2rem;
  --text-4xl:  2.625rem;
}

/* === Base === */
html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p { margin-bottom: 1rem; }

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover { color: var(--accent-hover); }

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

blockquote {
  border-left: 3px solid var(--accent-gold);
  padding: 0.75rem 1.5rem;
  margin: 1.5rem 0;
  color: var(--text-quote);
  font-family: var(--font-sonnet);
  font-style: italic;
  background: rgba(196, 164, 74, 0.05);
  border-radius: 0 4px 4px 0;
}

blockquote cite {
  display: block;
  margin-top: 0.5rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-style: normal;
}

/* === Layout === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.content-narrow { max-width: 780px; }

.page-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .page-layout {
    grid-template-columns: 1fr 280px;
  }
}

/* === Header === */
.site-header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__container {
  display: flex;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--text-heading);
  text-decoration: none;
  font-weight: 700;
}

.header__logo span {
  color: var(--accent-primary);
  font-weight: 400;
  font-size: var(--text-sm);
  margin-left: 0.5rem;
}

.header__nav {
  display: flex;
  gap: 0.25rem;
  margin-left: 2rem;
}

.nav__link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  transition: color 0.2s, background-color 0.2s;
  font-weight: 500;
}

.nav__link:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.nav__link--active {
  color: var(--text-heading);
  background: var(--bg-card);
}

/* Tab-colored active states */
.nav__link--analyses.nav__link--active { border-bottom: 2px solid var(--tab-analyses); }
.nav__link--directing.nav__link--active { border-bottom: 2px solid var(--tab-directing); }
.nav__link--contexts.nav__link--active { border-bottom: 2px solid var(--tab-contexts); }
.nav__link--essays.nav__link--active { border-bottom: 2px solid var(--tab-essays); }

.header__actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
}

@media (max-width: 768px) {
  .header__nav { display: none; }
  .hamburger { display: block; margin-left: auto; }
  .header__nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    gap: 0.5rem;
  }
}

/* === Footer === */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 2rem 0;
  margin-top: 3rem;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.footer__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer__links a { color: var(--text-muted); font-size: var(--text-sm); }
.footer__links a:hover { color: var(--accent-primary); }

/* === Sonnet Display === */
.sonnet-text {
  font-family: var(--font-sonnet);
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--text-quote);
  padding: 1.5rem 2rem;
  background: var(--bg-card);
  border-left: 3px solid var(--accent-gold);
  border-radius: 0 4px 4px 0;
  margin: 1.5rem 0;
  white-space: pre-line;
}

.sonnet-text .line-number {
  display: inline-block;
  width: 2rem;
  color: var(--text-dim);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  user-select: none;
}

.sonnet-text .quatrain { margin-bottom: 1rem; }
.sonnet-text .couplet {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

/* === Sonnet Card (Index) === */
.sonnet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.sonnet-card {
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  transition: background-color 0.2s, border-color 0.2s;
}

.sonnet-card:hover {
  background: var(--bg-hover);
  border-color: var(--accent-primary);
}

.sonnet-card__number {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.sonnet-card__number--fym { color: var(--accent-fym); }
.sonnet-card__number--dl { color: var(--accent-dl); }
.sonnet-card__number--ambiguous { color: var(--text-muted); }

.sonnet-card__first-line {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  color: var(--text-heading);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.sonnet-card__first-line a { color: inherit; }
.sonnet-card__first-line a:hover { color: var(--accent-primary); }

.sonnet-card__meta {
  font-size: var(--text-xs);
  color: var(--text-dim);
}

.sonnet-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

.tag {
  display: inline-block;
  font-size: 0.6875rem;
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  background: rgba(255,255,255,0.06);
  color: var(--text-muted);
}

.tag--fym { background: rgba(123,163,201,0.15); color: var(--accent-fym); }
.tag--dl { background: rgba(201,123,139,0.15); color: var(--accent-dl); }

/* === Content Tabs (per-sonnet page) === */
.content-tabs {
  display: flex;
  gap: 0.25rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2rem;
}

.content-tab {
  padding: 0.6rem 1.25rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  font-weight: 500;
}

.content-tab:hover { color: var(--text-primary); }

.content-tab--active { color: var(--text-heading); }
.content-tab--analyses.content-tab--active { border-bottom-color: var(--tab-analyses); color: var(--tab-analyses); }
.content-tab--directing.content-tab--active { border-bottom-color: var(--tab-directing); color: var(--tab-directing); }
.content-tab--contexts.content-tab--active { border-bottom-color: var(--tab-contexts); color: var(--tab-contexts); }

/* === Analysis Page === */
.analysis-section {
  margin-bottom: 2.5rem;
}

.analysis-section h2 {
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1rem;
}

.fym-dl-indicator {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.fym-dl-indicator--fym {
  background: rgba(123,163,201,0.15);
  color: var(--accent-fym);
}

.fym-dl-indicator--dl {
  background: rgba(201,123,139,0.15);
  color: var(--accent-dl);
}

/* === Directing Page === */
.directing-line {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.directing-line:last-child { border-bottom: none; }

.directing-line__number {
  font-size: var(--text-sm);
  color: var(--text-dim);
  font-family: var(--font-mono);
  padding-top: 0.2rem;
}

.directing-line__text {
  font-family: var(--font-sonnet);
  font-size: var(--text-lg);
  color: var(--text-quote);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.directing-line__notes {
  font-size: var(--text-sm);
  color: var(--text-primary);
  line-height: 1.6;
}

.directing-line__notes .note-label {
  font-weight: 600;
  color: var(--accent-green);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* === Context Page === */
.context-section {
  margin-bottom: 2.5rem;
}

.context-section h2 {
  color: var(--accent-purple);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1rem;
}

.candidate-card {
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  margin-bottom: 1rem;
}

.candidate-card__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--text-heading);
  margin-bottom: 0.25rem;
}

.candidate-card__dates {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.candidate-card__evidence {
  font-size: var(--text-sm);
  color: var(--text-primary);
}

/* === Essay Card (Essays tab) === */
.essay-card {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  margin-bottom: 1.5rem;
  transition: background-color 0.2s;
}

.essay-card:hover { background: var(--bg-hover); }

.essay-card__icon {
  width: 60px;
  height: 60px;
  background: rgba(196, 164, 74, 0.1);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.essay-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--text-heading);
  margin-bottom: 0.25rem;
}

.essay-card__title a { color: inherit; }
.essay-card__title a:hover { color: var(--accent-gold); }

.essay-card__excerpt {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.5;
}

/* === Bibliography === */
.bibliography {
  list-style: none;
  padding: 0;
}

.bibliography li {
  padding-left: 2rem;
  text-indent: -2rem;
  margin-bottom: 0.75rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.bibliography cite { font-style: italic; }

/* === Sidebar === */
.sidebar { font-size: var(--text-sm); }

.sidebar__section { margin-bottom: 2rem; }

.sidebar__heading {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--text-heading);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar__list { list-style: none; padding: 0; }
.sidebar__list li { margin-bottom: 0.5rem; }
.sidebar__list a { color: var(--text-muted); }
.sidebar__list a:hover { color: var(--accent-primary); }

/* Sonnet nav in sidebar */
.sonnet-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin: 1.5rem 0;
}

.sonnet-nav a {
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.sonnet-nav a:hover { color: var(--accent-primary); }

.sonnet-nav__current {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--text-heading);
}

/* === Filter Bar === */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  align-items: center;
}

.filter-bar__label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-right: 0.5rem;
}

.filter-btn {
  padding: 0.3rem 0.75rem;
  font-size: var(--text-xs);
  border-radius: 3px;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-body);
}

.filter-btn:hover {
  border-color: var(--text-muted);
  color: var(--text-primary);
}

.filter-btn--active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
}

.filter-btn--fym.filter-btn--active {
  background: var(--accent-fym);
  border-color: var(--accent-fym);
}

.filter-btn--dl.filter-btn--active {
  background: var(--accent-dl);
  border-color: var(--accent-dl);
}

/* === Hero === */
.hero {
  padding: 4rem 0 3rem;
  text-align: center;
}

.hero__title {
  font-size: var(--text-4xl);
  margin-bottom: 0.5rem;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  color: var(--text-heading);
}

.hero__stat-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* === Utilities === */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* === Inline citation highlight === */
.citation {
  font-family: var(--font-sonnet);
  font-style: italic;
  color: var(--text-quote);
}

.line-ref {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-dim);
  vertical-align: super;
}