/* Layout + components for the AWA analytics dashboard. Depends on tokens.css. */

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.55;
  /* subtle paper-grain texture — an SVG fractal-noise filter, no external image request */
  background-image:
    linear-gradient(var(--color-bg), var(--color-bg)),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/></svg>");
}

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

/* ---------- Masthead ---------- */

.masthead {
  text-align: center;
  margin-bottom: var(--space-section);
  position: relative;
}

.masthead::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  background: var(--color-accent-subtle);
  margin: 1.25rem auto 0;
  border-radius: var(--radius-pill);
}

.masthead h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--size-display);
  color: var(--color-heading);
  margin: 0;
  letter-spacing: 0.01em;
}

.masthead .subtitle {
  font-size: var(--size-label);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-neutral);
  margin-top: 0.5rem;
}

/* ---------- Alert banner ---------- */

.alert-banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: color-mix(in srgb, var(--color-stale) 10%, var(--color-surface));
  border: 1px solid color-mix(in srgb, var(--color-stale) 35%, transparent);
  color: var(--color-stale);
  border-radius: var(--radius-card);
  padding: 0.9rem 1.25rem;
  font-size: var(--size-label);
  margin-bottom: 1rem;
}

/* ---------- Totals row ---------- */

.totals-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: var(--space-section);
}

.total-stat {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-card-padding);
  text-align: center;
  position: relative;
}

.total-stat + .total-stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 1px;
  background: var(--color-border);
  display: none; /* vertical divider shown only in flex/inline layouts; grid gap suffices here */
}

.total-stat .label {
  font-size: var(--size-label);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-neutral);
  margin-bottom: 0.4rem;
}

.total-stat .value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--size-display);
  color: var(--color-primary);
}

/* ---------- Section headers ---------- */

.section {
  margin-bottom: var(--space-section);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.section-header h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--size-heading);
  color: var(--color-heading);
  margin: 0;
}

.section-header .icon {
  width: 1.1em;
  height: 1.1em;
  color: var(--color-accent);
}

/* ---------- Platform cards ---------- */

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

.platform-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-card-padding);
}

.platform-card .platform-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.platform-card .platform-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-heading);
}

.platform-card .hit-rate-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-positive) 12%, var(--color-surface));
  color: var(--color-positive);
  font-weight: 600;
}

.platform-card .metric-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  padding: 0.35rem 0;
}

.platform-card .metric-row .metric-label {
  color: var(--color-neutral);
}

.platform-card .metric-row .metric-value {
  font-weight: 600;
  color: var(--color-text);
}

/* ---------- Pull-quote (italic editorial serif — one per view) ---------- */

.pull-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--size-pullquote);
  color: var(--color-heading);
  text-align: center;
  max-width: 42ch;
  margin: 2rem auto;
  line-height: 1.4;
}

/* ---------- Feed / content library / gaps ---------- */

.feed-list, .gap-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feed-item, .gap-item {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.feed-item .platform-badge, .gap-item .confidence-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-primary) 10%, var(--color-surface));
  color: var(--color-primary);
  white-space: nowrap;
}

.gap-item .confidence-badge.inferred {
  background: color-mix(in srgb, var(--color-accent-subtle) 20%, var(--color-surface));
  color: color-mix(in srgb, var(--color-accent-subtle) 70%, var(--color-charcoal, #27313d));
}

.feed-item .title, .gap-item .title {
  flex: 1;
  font-weight: 600;
}

.feed-item .value, .gap-item .missing-from {
  color: var(--color-neutral);
  font-size: 0.85rem;
  white-space: nowrap;
}

/* ---------- Content library table ---------- */

.library-table-wrap {
  overflow-x: auto;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
}

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

table.library-table th {
  text-align: left;
  font-size: var(--size-label);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-neutral);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

table.library-table td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

table.library-table a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

table.library-table a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.library-filters {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.library-filters select, .library-filters input {
  font-family: var(--font-body);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.9rem;
  background: var(--color-surface);
  color: var(--color-text);
}

/* ---------- Cohort table ---------- */

.cohort-note {
  font-size: var(--size-label);
  color: var(--color-neutral);
  text-align: center;
  max-width: 60ch;
  margin: 0 auto 1rem;
}

/* ---------- Footer ---------- */

.dashboard-footer {
  text-align: center;
  color: var(--color-neutral);
  font-size: var(--size-label);
  margin-top: var(--space-section);
}