/* ==========================================================================
   CAT360 Tariff Alerts — Supplementary Styles
   Loaded on /tariff-alerts pages. Uses design tokens from main.css.
   ========================================================================== */

/* ── Hero ─────────────────────────────────────────────────────────────── */

.alerts-hero {
  background: linear-gradient(180deg, var(--purple-tint-1) 0%, var(--white) 100%);
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-xl);
}

.alerts-hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--purple-accent);
  margin-bottom: var(--space-sm);
}

.alerts-hero__title {
  font-size: 2.75rem;
  margin-bottom: var(--space-md);
  max-width: 40rem;
}

.alerts-hero__lede {
  font-size: 1.125rem;
  line-height: 1.5;
  max-width: 48rem;
  color: var(--purple-primary);
  margin-bottom: var(--space-xl);
}

.alerts-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
}

.alerts-hero__stat {
  display: flex;
  flex-direction: column;
}

.alerts-hero__stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--purple-heading);
  line-height: 1.1;
}

.alerts-hero__stat-label {
  font-size: 0.875rem;
  color: var(--purple-primary);
  opacity: 0.8;
  margin-top: 0.25rem;
}

@media (max-width: 640px) {
  .alerts-hero__title { font-size: 2rem; }
  .alerts-hero__stats { gap: var(--space-lg); }
  .alerts-hero__stat-value { font-size: 1.5rem; }
}

/* ── Open issues strip ────────────────────────────────────────────────── */

.alerts-open {
  background: var(--warm-tint-2);
  border-top: 1px solid var(--warm-tint-1);
  border-bottom: 1px solid var(--warm-tint-1);
}

.alerts-open__heading {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.alerts-open__sub {
  color: var(--purple-primary);
  opacity: 0.75;
  margin-bottom: var(--space-lg);
  max-width: 48rem;
}

.alerts-open__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
  gap: var(--space-md);
}

/* ── Alert card ───────────────────────────────────────────────────────── */

.alerts-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--white);
  border: 1px solid var(--purple-tint-2);
  border-radius: var(--border-radius);
  text-decoration: none;
  color: inherit;
  min-width: 0;
  overflow-wrap: anywhere;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.alerts-card__title,
.alerts-card__summary {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.alerts-card:hover {
  border-color: var(--purple-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(133, 71, 250, 0.08);
}

.alerts-card--open {
  border-left: 4px solid var(--gold);
}

.alerts-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.alerts-card__date {
  font-size: 0.8125rem;
  color: var(--purple-primary);
  opacity: 0.7;
}

.alerts-card__title {
  font-size: 1.125rem;
  line-height: 1.3;
  margin: 0;
}

.alerts-card__summary {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--purple-primary);
  opacity: 0.85;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.alerts-card__chapters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: auto;
  padding-top: var(--space-xs);
}

/* ── Badges ───────────────────────────────────────────────────────────── */

.alerts-badge {
  display: inline-block;
  padding: 0.2rem 0.625rem;
  border-radius: var(--border-radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.alerts-badge--open {
  background: var(--gold);
  color: var(--purple-dark);
}

.alerts-badge--resolved {
  background: var(--success-green);
  color: var(--white);
}

.alerts-badge--archived {
  background: var(--purple-tint-3);
  color: var(--purple-heading);
}

/* ── Chips ────────────────────────────────────────────────────────────── */

.alerts-chip {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: var(--border-radius-pill);
  background: var(--purple-tint-1);
  color: var(--purple-heading);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
}

.alerts-chip--link {
  text-decoration: none;
  transition: background 0.2s;
}

.alerts-chip--link:hover {
  background: var(--purple-tint-2);
}

/* ── Archive section ──────────────────────────────────────────────────── */

.alerts-archive__heading {
  font-size: 1.75rem;
  margin-bottom: var(--space-lg);
}

/* ── Controls (search + filters) ──────────────────────────────────────── */

.alerts-controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

@media (min-width: 900px) {
  .alerts-controls {
    grid-template-columns: 20rem 1fr;
    gap: var(--space-xl);
    align-items: start;
  }
}

.alerts-search__label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--purple-heading);
  margin-bottom: 0.375rem;
}

.alerts-search__input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--purple-tint-2);
  border-radius: var(--border-radius);
  background: var(--white);
  font-size: 1rem;
  color: var(--purple-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.alerts-search__input:focus {
  outline: none;
  border-color: var(--purple-accent);
  box-shadow: 0 0 0 3px rgba(133, 71, 250, 0.15);
}

.alerts-filters {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.alerts-filter-group {
  border: none;
  padding: 0;
  margin: 0;
}

.alerts-filter-group legend {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--purple-heading);
  margin-bottom: 0.5rem;
  padding: 0;
}

.alerts-filter-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-right: var(--space-md);
  font-size: 0.9375rem;
  color: var(--purple-primary);
  cursor: pointer;
}

.alerts-filter-checkbox input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--purple-accent);
}

.alerts-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.alerts-chip-list--aligned {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(4.5rem, 1fr));
}

.alerts-chip-toggle {
  display: inline-block;
  cursor: pointer;
}

.alerts-chip-list--aligned .alerts-chip-toggle {
  display: block;
}

.alerts-chip-list--aligned .alerts-chip-toggle span {
  text-align: center;
  width: 100%;
  white-space: nowrap;
}

.alerts-chip-list--aligned .alerts-chip-toggle--wide {
  grid-column: span 2;
}

.alerts-chip-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.alerts-chip-toggle span {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  border-radius: var(--border-radius-pill);
  background: var(--purple-tint-1);
  color: var(--purple-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.2;
  transition: background 0.15s, color 0.15s;
}

.alerts-chip-toggle input:checked + span {
  background: var(--purple-accent);
  color: var(--white);
}

.alerts-chip-toggle input:focus-visible + span {
  outline: 2px solid var(--purple-accent);
  outline-offset: 2px;
}

.alerts-filter-reset {
  align-self: flex-start;
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--purple-tint-2);
  border-radius: var(--border-radius);
  background: var(--white);
  color: var(--purple-heading);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.alerts-filter-reset:hover {
  background: var(--purple-tint-1);
  border-color: var(--purple-accent);
}

/* ── Results ──────────────────────────────────────────────────────────── */

.alerts-results-meta {
  font-size: 0.875rem;
  color: var(--purple-primary);
  opacity: 0.8;
  margin-bottom: var(--space-md);
}

.alerts-results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr));
  gap: var(--space-md);
  min-width: 0;
}

.alerts-loading,
.alerts-empty {
  grid-column: 1 / -1;
  padding: var(--space-xl);
  text-align: center;
  color: var(--purple-primary);
  opacity: 0.7;
  background: var(--off-white);
  border-radius: var(--border-radius);
}

.alerts-load-more {
  display: flex;
  justify-content: center;
  margin-top: var(--space-lg);
}

.alerts-load-more[hidden] {
  display: none;
}

.alerts-load-more .btn--outline {
  min-width: 12rem;
}

/* ── CTA section ──────────────────────────────────────────────────────── */

.alerts-cta__inner {
  max-width: 44rem;
  margin: 0 auto;
  text-align: center;
}

.alerts-cta__inner h2 {
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.alerts-cta__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* ── Detail page ──────────────────────────────────────────────────────── */

.container--narrow {
  max-width: 48rem;
  margin: 0 auto;
}

.alert-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--purple-primary);
  opacity: 0.75;
  margin-bottom: var(--space-md);
}

.alert-breadcrumb a {
  color: var(--purple-accent);
  text-decoration: none;
}

.alert-breadcrumb a:hover {
  text-decoration: underline;
}

.alert-header {
  margin-bottom: var(--space-lg);
}

.alert-header__top {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.alert-header__collection {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--purple-primary);
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.alert-header__title {
  font-size: 2rem;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

.alert-header__summary {
  font-size: 1.125rem;
  line-height: 1.5;
  color: var(--purple-primary);
}

.alert-dates {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  padding: var(--space-md);
  background: var(--off-white);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-lg);
  font-size: 0.9375rem;
}

@media (min-width: 640px) {
  .alert-dates { grid-template-columns: repeat(2, 1fr); }
}

.alert-dates__row {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.alert-dates__row dt {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--purple-heading);
  opacity: 0.8;
}

.alert-dates__row dd {
  font-weight: 600;
  color: var(--purple-primary);
}

.alert-body {
  margin-bottom: var(--space-lg);
}

.alert-action {
  padding: var(--space-md);
  background: var(--gold-light);
  border-left: 4px solid var(--gold);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-lg);
}

.alert-action__heading {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--purple-heading);
  margin-bottom: var(--space-xs);
}

.alert-commodities {
  margin-bottom: var(--space-lg);
}

.alert-commodities__heading {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.alert-commodities__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.alert-commodities__table th,
.alert-commodities__table td {
  padding: 0.625rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--purple-tint-2);
  vertical-align: top;
}

.alert-commodities__table th {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--purple-heading);
  background: var(--off-white);
}

.alert-commodities__table td a {
  color: var(--purple-accent);
  text-decoration: none;
  font-weight: 600;
}

.alert-commodities__table td a:hover {
  text-decoration: underline;
}

.alert-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: var(--space-lg);
}

.alert-source {
  padding-top: var(--space-md);
  border-top: 1px solid var(--purple-tint-2);
  font-size: 0.9375rem;
  color: var(--purple-primary);
  opacity: 0.85;
}

.alert-source a {
  color: var(--purple-accent);
  text-decoration: none;
  font-weight: 600;
}

.alert-source a:hover {
  text-decoration: underline;
}

/* ── Attribution (OGL v3.0) ───────────────────────────────────────────── */

.alerts-attribution {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--purple-tint-2);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--purple-primary);
  opacity: 0.7;
}

.alerts-attribution a {
  color: var(--purple-accent);
  text-decoration: none;
}

.alerts-attribution a:hover {
  text-decoration: underline;
}