@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Spectral:ital,wght@0,300;0,400;0,500;1,300;1,400&family=DM+Mono:wght@300;400&display=swap');

/* ─── DESIGN TOKENS ─────────────────────────────────── */
:root {
  /* Backgrounds — dark but not black */
  --bg-base:    #1A1A18;
  --bg-surface: #222220;
  --bg-raised:  #2A2A28;
  --bg-hover:   #323230;

  /* Borders */
  --rule:       #3A3A37;
  --rule-l:     #4A4A47;

  /* Text — high contrast hierarchy */
  --text-primary:   #FFFFFF;   /* headlines, primary content */
  --text-secondary: #E8E6DC;   /* body text, descriptions */
  --text-tertiary:  #B0AEA6;   /* timestamps, meta */
  --text-muted:     #787470;   /* borders, disabled */

  /* Brand accent */
  --signal:     #6AAFE8;
  --signal-d:   #3A7DC4;
  --signal-l:   #A8CFEF;

  /* Signal level colors — all clearly readable on dark */
  --wisp-c:     #888580;
  --drift-c:    #AAAAAA;
  --column-c:   #A8CFEF;
  --plume-c:    #EDB84A;
  --billowing-c:#FF7070;
  --mushroom-c: #FFFFFF;

  --serif:  'Playfair Display', Georgia, serif;
  --body:   'Spectral', Georgia, serif;
  --mono:   'DM Mono', monospace;
}

/* ─── RESET ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--body);
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ─── TOPBAR ─────────────────────────────────────────── */
.topbar {
  background: var(--bg-base);
  border-bottom: 1px solid var(--rule);
  padding: 8px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.topbar-live {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--signal-l);
  font-size: 12px;
  letter-spacing: 2px;
}
.live-pulse {
  width: 7px; height: 7px;
  background: var(--signal);
  border-radius: 50%;
  animation: livepulse 2.4s ease-in-out infinite;
  box-shadow: 0 0 8px rgba(91,159,224,0.6);
}
@keyframes livepulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.5); }
}

/* ─── MASTHEAD ───────────────────────────────────────── */
.masthead {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--rule);
  padding: 28px 32px 0;
}
.masthead-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-bottom: 24px;
  gap: 24px;
}
.wordmark-title {
  font-family: var(--serif);
  font-size: clamp(34px, 4.5vw, 50px);
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--text-primary);
  line-height: 1;
}
.wordmark-title span { color: var(--signal); }
.wordmark-sub {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-top: 8px;
}

/* ─── LEGEND (masthead right) ────────────────────────── */
.masthead-legend {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  flex-shrink: 0;
}
.masthead-legend-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.legend-inline {
  display: flex;
  gap: 16px;
  align-items: flex-end;
}
.legend-inline-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: default;
}
.legend-inline-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  white-space: nowrap;
}

/* ─── NAV ────────────────────────────────────────────── */
.nav {
  display: flex;
  border-top: 1px solid var(--rule);
}
.nav-item {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: 14px 24px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  cursor: pointer;
  white-space: nowrap;
  margin-bottom: -1px;
}
.nav-item:first-child { padding-left: 0; }
.nav-item:hover { color: var(--text-secondary); }
.nav-item.active {
  color: var(--text-primary);
  border-bottom-color: var(--signal);
}
.nav-sports-sub {
  border-top: none;
  background: var(--bg-surface);
  padding: 0 0 0 0;
  border-bottom: 1px solid var(--rule);
}
.nav-sub {
  font-size: 11px;
  letter-spacing: 1px;
  padding: 10px 16px;
  color: var(--text-tertiary);
}
.nav-sub:first-child { padding-left: 0; }
.nav-sub.active-sub {
  color: var(--plume-c);
  border-bottom-color: var(--plume-c);
}

/* ─── SIGNAL BARS ────────────────────────────────────── */
.sig {
  display: flex;
  align-items: flex-end;
  gap: 2px;
}
.sig-bar {
  width: 4px;
  border-radius: 1px;
  background: var(--rule-l);
}
.sig-bar.on       { background: currentColor; }
.sig-wisp         { color: var(--wisp-c); }
.sig-drift        { color: var(--drift-c); }
.sig-column       { color: var(--column-c); }
.sig-plume        { color: var(--plume-c); }
.sig-billowing    { color: var(--billowing-c); }
.sig-mushroom     { color: var(--mushroom-c); }

/* ─── LAYOUT ─────────────────────────────────────────── */
.page {
  padding: 0 32px 56px;
  max-width: 960px;
  margin: 0 auto;
}

/* ─── CATEGORY HEADER ────────────────────────────────── */
.cat-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 22px 0 18px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 4px;
}
.cat-title {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}
.cat-meta {
  display: flex;
  align-items: center;
  gap: 18px;
}
.cat-count {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.cat-refresh {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: color 0.15s;
  user-select: none;
}
.cat-refresh:hover { color: var(--text-secondary); }

/* ─── STORY CARD ─────────────────────────────────────── */
.story {
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
  cursor: pointer;
  position: relative;
}
.story:last-child { border-bottom: none; }
.story:hover { background: transparent; }

.story-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}
.story-left { flex: 1; min-width: 0; }

.story-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.source {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--signal-l);
  white-space: nowrap;
}
.story-time {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-tertiary);
  letter-spacing: 0.5px;
}

/* ─── HEADLINES ──────────────────────────────────────── */
/* Base — all stories */
.story-hed {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-secondary);
  transition: color 0.12s;
}
/* Server-rendered headlines are real links — style identically */
.story-hed a {
  color: inherit;
  text-decoration: none;
  font: inherit;
}
.story:hover .story-hed,
.story.expanded .story-hed {
  color: var(--text-primary);
}

/* Column — notable */
.story.sig-level-3 .story-hed {
  color: var(--text-secondary);
  font-size: 18px;
}

/* Plume — share it */
.story.sig-level-4 .story-hed {
  font-size: 20px;
  color: var(--text-primary);
}

/* Billowing — call someone */
.story.sig-level-5 {
  padding: 24px 0;
  border-left: 3px solid var(--billowing-c);
  padding-left: 16px;
}
.story.sig-level-5 .story-hed {
  font-size: 22px;
  color: var(--text-primary);
}

/* Mushroom — where were you when */
.story.sig-level-6 {
  padding: 28px 0;
  border-left: 3px solid var(--mushroom-c);
  padding-left: 16px;
}
.story.sig-level-6 .story-hed {
  font-size: 24px;
  font-style: italic;
  color: var(--text-primary);
}

/* ─── STORY SUMMARY ──────────────────────────────────── */
.story-summary {
  font-family: var(--body);
  font-size: 15px;
  font-weight: 400;
  font-style: italic;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--rule);
  display: none;
}
.story.expanded .story-summary { display: block; }

/* ─── SIGNAL BADGE ───────────────────────────────────── */
.story-sig {
  flex-shrink: 0;
  padding-top: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}
.story-sig-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  white-space: nowrap;
}

/* ─── READ MORE ──────────────────────────────────────── */
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--signal-l);
  opacity: 0;
  transition: opacity 0.15s;
}
.story.expanded .read-more { opacity: 1; }

/* ─── LOADING SKELETONS ──────────────────────────────── */
.story-skeleton {
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}
.skel-line {
  height: 11px;
  background: var(--bg-raised);
  border-radius: 3px;
  margin-bottom: 10px;
  animation: shimmer 1.6s ease-in-out infinite;
}
@keyframes shimmer {
  0%, 100% { opacity: 0.4; }
  50%       { opacity: 0.8; }
}
.skel-line.short { width: 30%; }
.skel-line.med   { width: 60%; }
.skel-line.long  { width: 90%; }

/* ─── ERROR ──────────────────────────────────────────── */
.feed-error {
  padding: 48px 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--text-tertiary);
  text-align: center;
}


/* ─── VIRAL BADGE ────────────────────────────────────────── */
.viral-badge {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--plume-c);
  background: rgba(237, 184, 74, 0.12);
  border: 1px solid rgba(237, 184, 74, 0.3);
  padding: 2px 7px;
  border-radius: 3px;
  white-space: nowrap;
  animation: viral-pulse 3s ease-in-out infinite;
}
@keyframes viral-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.7; }
}
.paywall-badge {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  background: rgba(176, 174, 166, 0.08);
  border: 1px solid rgba(176, 174, 166, 0.2);
  padding: 2px 7px;
  border-radius: 3px;
  white-space: nowrap;
}

/* ─── FOOTER ─────────────────────────────────────────── */
.site-footer {
  padding: 28px 32px;
  border-top: 1px solid var(--rule);
  background: var(--bg-surface);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text-tertiary);
}
.footer-brand {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0;
}
.footer-tagline {
  font-style: italic;
  color: var(--text-tertiary);
  margin-top: 5px;
  font-family: var(--body);
  font-size: 13px;
  letter-spacing: 0;
}
.footer-center {
  text-align: center;
  line-height: 1.9;
  color: var(--text-tertiary);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.footer-right {
  text-align: right;
  line-height: 1.9;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* ─── RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 768px) {
  .topbar     { padding: 8px 16px; font-size: 11px; }
  .masthead   { padding: 20px 16px 0; }
  .masthead-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .masthead-legend  { align-items: flex-start; }
  .legend-inline    { flex-wrap: wrap; gap: 12px; }
  .page             { padding: 0 16px 40px; }
  .nav              { overflow-x: auto; }
  .nav-item         { padding: 13px 14px; font-size: 12px; }
  .story-hed        { font-size: 17px; }
  .story.sig-level-4 .story-hed { font-size: 18px; }
  .story.sig-level-5 .story-hed { font-size: 20px; }
  .story.sig-level-6 .story-hed { font-size: 22px; }
  .cat-header       { padding: 18px 0 14px; }
  .site-footer      { grid-template-columns: 1fr; padding: 20px 16px; gap: 14px; }
  .footer-center, .footer-right { text-align: left; }
}

/* ─── SIGNAL ROOM LINK (masthead) ───────────────────── */
.signal-room-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-tertiary);
  text-decoration: none;
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 6px 12px 6px 10px;
  transition: color 0.25s, border-color 0.25s, filter 0.25s, background 0.25s;
  flex-shrink: 0;
}
.signal-room-link:hover {
  color: var(--signal-l);
  border-color: var(--signal-d);
  background: rgba(106,175,232,0.06);
  filter: drop-shadow(0 0 5px rgba(106,175,232,0.2));
}
.signal-room-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  white-space: nowrap;
}
/* Glow when high signal detected — class added by JS */
.signal-room-link.hot {
  color: var(--billowing-c);
  border-color: rgba(255,112,112,0.4);
  background: rgba(255,112,112,0.06);
  filter: drop-shadow(0 0 6px rgba(255,112,112,0.3));
  animation: icon-pulse 3s ease-in-out infinite;
}
@keyframes icon-pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.65; }
}
/* Hide label on very small screens, keep icon */
@media (max-width: 480px) {
  .signal-room-label { display: none; }
  .signal-room-link  { padding: 6px 8px; }
}

/* ─── GROUNDFIRE SCORE (topbar) ───────────────────────── */
.gf-score {
  display: flex;
  align-items: baseline;
  gap: 8px;
  text-decoration: none;
  color: var(--text-tertiary);
  letter-spacing: 1.2px;
}
.gf-score:hover .gf-score-label { color: var(--text-secondary); }
.gf-score-label { transition: color 0.12s; }
.gf-score-num {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
}
.gf-score-band { font-size: 11px; }

/* Band colors — number and band label take the tier color */
.gf-score.quiet      .gf-score-num, .gf-score.quiet      .gf-score-band { color: var(--text-tertiary); }
.gf-score.background .gf-score-num, .gf-score.background .gf-score-band { color: #A8CFEF; }
.gf-score.elevated   .gf-score-num, .gf-score.elevated   .gf-score-band { color: var(--plume-c, #EDB84A); }
.gf-score.severe     .gf-score-num, .gf-score.severe     .gf-score-band { color: var(--billowing-c, #FF7070); }
.gf-score.critical   .gf-score-num, .gf-score.critical   .gf-score-band { color: #FFFFFF; }

@media (max-width: 640px) {
  /* Make room for the score on small screens */
  #current-date { display: none; }
}