/* ================================================================== */
/*  GenZ Semantic Corpus — Shared Stylesheet                           */
/* ================================================================== */

/* --- CSS Variables ------------------------------------------------- */
:root {
  --color-bg:           #f4f5f7;
  --color-surface:      #ffffff;
  --color-border:       #dcdde0;
  --color-text:         #1a1a2e;
  --color-text-muted:   #6b7280;
  --color-primary:      #3b82f6;
  --color-primary-dark: #2563eb;
  --color-accent:       #10b981;
  --color-warning:      #f59e0b;
  --color-danger:       #ef4444;
  --color-tag-bg:       #eef2ff;
  --color-tag-text:     #4338ca;
  --radius:             6px;
  --shadow-sm:          0 1px 2px rgba(0,0,0,.05);
  --shadow-md:          0 4px 12px rgba(0,0,0,.08);
  --font-sans:          -apple-system, BlinkMacSystemFont, "Segoe UI",
                        Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono:          "SF Mono", "Fira Code", "Fira Mono", monospace;
  --max-width:          1100px;
}

/* --- Reset & Base -------------------------------------------------- */

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

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

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
}

.site-nav {
  display: flex;
  gap: 0.25rem;
}

.site-nav a {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background .15s;
}

.site-nav a:hover {
  background: var(--color-bg);
  text-decoration: none;
}

.site-nav a.active {
  background: var(--color-primary);
  color: #fff;
}

/* --- Main Content Area --------------------------------------------- */

.main-content {
  max-width: var(--max-width);
  margin: 1.5rem auto;
  padding: 0 1.5rem;
}

/* --- Cards --------------------------------------------------------- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.25rem;
}

.card-header {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

/* --- State Messages ------------------------------------------------- */

.state-loading,
.state-error,
.state-empty {
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.95rem;
}

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

.state-error {
  color: var(--color-danger);
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius);
}

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

/* --- Inline Tags (inside tagged_body) ------------------------------ */

.tag-inline {
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-weight: 600;
  padding: 0.05em 0.25em;
  border-radius: 3px;
  font-size: 0.88em;
}

/* --- Search Page --------------------------------------------------- */

.search-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.search-input {
  flex: 1 1 260px;
  padding: 0.55rem 0.75rem;
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color .15s;
}

.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}

.search-btn {
  padding: 0.55rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .15s;
}

.search-btn:hover,
.search-btn:focus {
  background: var(--color-primary-dark);
}

/* Filter bar */
.filter-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.filter-group label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.filter-group select,
.filter-group input {
  padding: 0.45rem 0.6rem;
  font-size: 0.88rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  outline: none;
  min-width: 140px;
}

.filter-group select:focus,
.filter-group input:focus {
  border-color: var(--color-primary);
}

/* --- Search Results ------------------------------------------------- */

.result-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .15s;
}

.result-item:hover {
  box-shadow: var(--shadow-md);
}

.result-meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 0.45rem;
  flex-wrap: wrap;
}

.result-meta .subreddit {
  font-weight: 700;
  color: var(--color-primary);
}

.result-meta .score {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.result-body {
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: 0.55rem;
  word-break: break-word;
}

.result-tags {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.tag-badge {
  display: inline-block;
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15em 0.5em;
  border-radius: 999px;
}

/* --- Pagination ---------------------------------------------------- */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

.page-btn {
  padding: 0.4rem 0.7rem;
  font-size: 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: background .15s, border-color .15s;
}

.page-btn:hover:not(:disabled):not(.active) {
  background: var(--color-bg);
  border-color: var(--color-primary);
}

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

.page-btn:disabled {
  opacity: .45;
  cursor: default;
}

.page-ellipsis {
  padding: 0.4rem 0.2rem;
  color: var(--color-text-muted);
}

/* --- Dashboard ----------------------------------------------------- */

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.dashboard-grid .full-width {
  grid-column: 1 / -1;
}

@media (max-width: 768px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  .dashboard-grid .full-width {
    grid-column: 1;
  }
}

/* Summary tiles */
.summary-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.summary-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.summary-tile .tile-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.summary-tile .tile-label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.2rem;
}

/* Chart containers */
.chart-wrapper {
  position: relative;
  width: 100%;
  /* Height set via canvas element, but constrain wrapper */
}

.chart-wrapper canvas {
  max-height: 380px;
}

/* Dashboard filter bar */
.dashboard-filters {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 1.25rem;
}

.dashboard-filters .apply-filters-btn {
  padding: 0.5rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
}

.dashboard-filters .apply-filters-btn:hover {
  background: var(--color-primary-dark);
}

/* --- Chart.js legend tweaks ---------------------------------------- */

.chart-legend {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
  font-size: 0.82rem;
}

/* --- Responsive ---------------------------------------------------- */

@media (max-width: 768px) {
  .site-header {
    padding: 0 0.75rem;
    height: auto;
    min-height: 48px;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }
  .site-title {
    font-size: 1rem;
  }
  .site-nav a {
    font-size: 0.82rem;
    padding: 0.35rem 0.65rem;
  }

  .main-content {
    padding: 0 0.5rem;
    margin: 0.75rem auto;
  }

  .card {
    padding: 0.75rem 0.85rem;
    margin-bottom: 0.75rem;
  }

  .filter-bar {
    flex-direction: column;
    gap: 0.5rem;
  }
  .filter-group {
    width: 100%;
  }
  .filter-group select,
  .filter-group input {
    width: 100%;
    min-width: 0;
    font-size: 1rem;
    padding: 0.55rem 0.6rem;
  }

  /* Larger touch targets for pagination */
  .page-btn {
    padding: 0.55rem 0.7rem;
    font-size: 0.88rem;
    min-width: 38px;
    text-align: center;
  }

  .result-item {
    padding: 0.75rem 0.85rem;
    margin-bottom: 0.5rem;
  }
  .result-meta {
    font-size: 0.76rem;
    gap: 0.5rem;
  }
  .result-body-plain,
  .result-body-tagged,
  .result-body-original {
    font-size: 0.85rem;
    padding: 0.3rem 0.4rem;
  }
  .result-label {
    font-size: 0.68rem;
  }

  .tag-badge {
    font-size: 0.7rem;
    padding: 0.15em 0.45em;
  }

  .summary-tiles {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }
  .summary-tile {
    padding: 0.7rem 0.75rem;
  }
  .summary-tile .tile-value {
    font-size: 1.5rem;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .dashboard-filters {
    flex-direction: column;
  }
  .dashboard-filters .filter-group {
    width: 100%;
  }
  .dashboard-filters .apply-filters-btn {
    width: 100%;
  }

  .chart-wrapper canvas {
    max-height: 280px;
  }
}

@media (max-width: 400px) {
  .summary-tiles {
    grid-template-columns: 1fr 1fr;
  }
  .pagination {
    gap: 0.15rem;
  }
  .page-btn {
    padding: 0.45rem 0.55rem;
    font-size: 0.8rem;
    min-width: 32px;
  }
}

/* ---- Plain context snippet (no tags) -------------------------------------- */
.result-body-plain {
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 0.35rem;
  padding: 0.35rem 0.5rem;
  background: var(--color-bg);
  border-radius: 4px;
  border-left: 3px solid var(--color-border);
}

/* ---- Result body sections (original vs tagged) ---------------------------- */
.result-section {
  margin-bottom: 0.5rem;
}
.result-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.15rem;
}
.result-body-original {
  font-size: 0.9rem;
  color: var(--color-text);
  padding: 0.35rem 0.5rem;
  background: var(--color-bg);
  border-radius: 4px;
  border-left: 3px solid var(--color-border);
  line-height: 1.5;
}
.result-body-tagged {
  font-size: 0.9rem;
  color: var(--color-text);
  padding: 0.35rem 0.5rem;
  background: var(--color-bg);
  border-radius: 4px;
  border-left: 3px solid var(--color-accent);
  line-height: 1.5;
}

/* ---- Type badge (comment / post) ------------------------------------------ */
.type-badge {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 1px 8px;
  border-radius: 3px;
}
.type-comment { background: #dbeafe; color: #1e40af; }
.type-post    { background: #fce7f3; color: #9d174d; }

/* ---- Result links --------------------------------------------------------- */
.result-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
}
.result-link:hover {
  text-decoration: underline;
}

/* ---- Collapsible full text ------------------------------------------------ */
.result-fulltext {
  margin-top: 0.5rem;
  font-size: 0.82rem;
}
.result-fulltext summary {
  cursor: pointer;
  color: var(--color-text-muted);
  user-select: none;
}
.result-fulltext summary:hover {
  color: var(--color-accent);
}

/* ---- Matched slang word in tagged view ------------------------------------ */
.match-word {
  font-weight: 700;
  color: #b45309;
  background: #fef3c7;
  padding: 0 2px;
  border-radius: 2px;
}

/* ---- Highlighted slang word in full text ---------------------------------- */
.hl {
  background: #fef08a;
  color: #92400e;
  font-weight: 600;
  padding: 0 2px;
  border-radius: 2px;
}