/* ============================================
   FIREHydrant — "The Briefing Room"
   Editorial newsroom aesthetic for litigation intel
   ============================================ */

:root {
  /* Paper & Surface */
  --bg-page: #F5F3EF;
  --bg-card: #FFFFFF;
  --bg-card-dismissed: #FAFAF8;
  --bg-header: #1C2128;

  /* Text */
  --text-primary: #1A1A1A;
  --text-secondary: #5A5A5A;
  --text-tertiary: #8A8A8A;
  --text-inverse: #F0EDE8;

  /* Status Colors */
  --color-flagged: #C65D21;
  --color-flagged-bg: #FEF6F0;
  --color-flagged-border: #C65D21;
  --color-dismissed: #7B8CA0;
  --color-dismissed-bg: #F4F5F7;
  --color-dismissed-border: #B0B8C4;
  --color-unreviewed: #D4C5A9;
  --color-unreviewed-border: #D4C5A9;

  /* Accents */
  --accent-fire: #B44D1E;
  --accent-hover: #9A3F15;
  --accent-link: #2A5A8C;
  --accent-link-hover: #1D4060;

  /* Aggregator badges */
  --badge-blogtrottr: #4A7C59;
  --badge-google-alerts: #3B6FA0;
  --badge-talkwalker: #7B5EA7;

  /* Layout */
  --max-width: 820px;
  --radius: 3px;
  --radius-lg: 5px;

  /* Fonts */
  --font-display: "Newsreader", "Georgia", serif;
  --font-body: "DM Sans", "Helvetica Neue", sans-serif;
  --font-mono: "IBM Plex Mono", "Menlo", monospace;
}

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

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

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

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

.site-header {
  background: var(--bg-header);
  border-bottom: 3px solid var(--accent-fire);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
}

.header-brand {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.header-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.logo-fire {
  color: #E8A065;
}

.logo-hydrant {
  color: var(--text-inverse);
  font-weight: 400;
}

.header-tagline {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #7A8290;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

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

.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 24px 64px;
}

/* ---- Filter Bar ---- */

.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid #DDD8CF;
}

.filter-tabs {
  display: flex;
  gap: 2px;
}

.filter-tab {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 7px 14px;
  border: 1px solid #D5D0C7;
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: 6px;
  line-height: 1;
}

.filter-tab:first-child {
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.filter-tab:last-child {
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.filter-tab:hover {
  background: #F0EDE8;
  color: var(--text-primary);
}

.filter-tab--active {
  background: var(--bg-header);
  color: var(--text-inverse);
  border-color: var(--bg-header);
}

.filter-tab--active.filter-tab--flagged {
  background: var(--color-flagged);
  border-color: var(--color-flagged);
}

.filter-tab--active.filter-tab--dismissed {
  background: var(--color-dismissed);
  border-color: var(--color-dismissed);
}

.filter-tab-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  opacity: 0.7;
}

.filter-aggregator {
  flex-shrink: 0;
}

.aggregator-select {
  font-family: var(--font-body);
  font-size: 0.8rem;
  padding: 7px 28px 7px 10px;
  border: 1px solid #D5D0C7;
  border-radius: var(--radius-lg);
  background: var(--bg-card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%235A5A5A'/%3E%3C/svg%3E") no-repeat right 10px center;
  appearance: none;
  cursor: pointer;
  color: var(--text-secondary);
}

.aggregator-select:hover {
  border-color: #B0A99C;
}

/* ---- Article List ---- */

.article-list-info {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.article-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ---- Article Card ---- */

.article-card {
  display: flex;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.article-card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.article-card-border {
  width: 4px;
  flex-shrink: 0;
}

.article-card--unreviewed .article-card-border {
  background: var(--color-unreviewed-border);
}

.article-card--flagged .article-card-border {
  background: var(--color-flagged-border);
}

.article-card--flagged {
  background: var(--color-flagged-bg);
}

.article-card--dismissed .article-card-border {
  background: var(--color-dismissed-border);
}

.article-card--dismissed {
  background: var(--color-dismissed-bg);
}

.article-card--dismissed .article-title a,
.article-card--dismissed .article-snippet {
  opacity: 0.55;
}

.article-card-body {
  flex: 1;
  padding: 14px 18px;
  min-width: 0;
}

/* Card Header */

.article-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
}

.article-source {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

.article-date {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

/* Aggregator Badge */

.aggregator-badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: white;
}

.aggregator-badge--blogtrottr {
  background: var(--badge-blogtrottr);
}

.aggregator-badge--google_alerts {
  background: var(--badge-google-alerts);
}

.aggregator-badge--talkwalker {
  background: var(--badge-talkwalker);
}

/* Title */

.article-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.35;
  margin-bottom: 4px;
}

.article-title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.12s ease;
}

.article-title a:hover {
  color: var(--accent-link);
}

/* Snippet */

.article-snippet {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Card Footer */

.article-card-footer {
  margin-top: 8px;
}

.article-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

.action-btn {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.12s ease;
  border: 1px solid;
  line-height: 1.4;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.action-icon {
  font-size: 0.85rem;
  line-height: 1;
}

.action-btn--flag {
  background: transparent;
  border-color: var(--color-flagged);
  color: var(--color-flagged);
}

.action-btn--flag:hover {
  background: var(--color-flagged);
  color: white;
}

.action-btn--dismiss {
  background: transparent;
  border-color: #C5C0B8;
  color: var(--text-tertiary);
}

.action-btn--dismiss:hover {
  background: var(--color-dismissed);
  border-color: var(--color-dismissed);
  color: white;
}

.action-btn--reset {
  background: transparent;
  border-color: #D5D0C7;
  color: var(--text-tertiary);
  font-size: 0.7rem;
  padding: 3px 8px;
}

.action-btn--reset:hover {
  background: #EAE7E0;
  border-color: #B0A99C;
  color: var(--text-secondary);
}

/* Status Labels */

.article-status-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.status-label--flagged {
  color: var(--color-flagged);
}

.status-label--dismissed {
  color: var(--color-dismissed);
}

.reviewed-by {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  font-style: italic;
}

/* ---- Empty State ---- */

.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-state-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-tertiary);
  font-style: italic;
}

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

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid #DDD8CF;
}

.pagination-btn {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 14px;
  border: 1px solid #D5D0C7;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.12s ease;
}

.pagination-btn:hover {
  background: #F0EDE8;
  border-color: #B0A99C;
  color: var(--text-primary);
}

.pagination-btn--disabled {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}

.pagination-info {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* ---- htmx Loading & Transitions ---- */

.htmx-request.article-card {
  opacity: 0.4;
  transition: opacity 0.15s ease;
}

.htmx-settling.article-card {
  opacity: 1;
}

#article-list.htmx-request {
  opacity: 0.5;
  transition: opacity 0.15s ease;
}

#article-list.htmx-settling {
  opacity: 1;
}

/* Animate new card state after swap */
@keyframes card-settle {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.article-card {
  animation: card-settle 0.2s ease-out;
}

/* Card removal animation — used when hx-swap="delete swap:300ms" */
.article-card.htmx-swapping {
  animation: card-remove 0.3s ease-in forwards;
}

@keyframes card-remove {
  0% {
    opacity: 1;
    max-height: 200px;
    transform: translateX(0);
    margin-bottom: 8px;
  }
  40% {
    opacity: 0;
    transform: translateX(30px);
    max-height: 200px;
    margin-bottom: 8px;
  }
  100% {
    opacity: 0;
    max-height: 0;
    transform: translateX(30px);
    margin-bottom: 0;
    padding: 0;
    overflow: hidden;
  }
}

/* Filter bar count transitions */
.filter-tab-count {
  transition: all 0.15s ease;
}

/* Smooth scroll behavior */
html {
  scroll-behavior: smooth;
}

/* Load more button */
.pagination-btn--load-more {
  width: 100%;
  text-align: center;
  padding: 10px 20px;
  font-weight: 600;
  border-style: dashed;
}

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

@media (max-width: 640px) {
  .header-brand {
    flex-direction: column;
    gap: 2px;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .filter-tabs {
    overflow-x: auto;
  }

  .article-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}