/* ============================================
   Variables
   ============================================ */
:root {
  --bg:             #0A0A0A;
  --bg-lift:        #131313;
  --bg-card:        #151515;
  --border:         #262626;
  --border-light:   #1C1C1C;

  --text-primary:   #FFFAF0;
  --text-secondary: #AFC3D6;
  --text-dim:       #FFD8A8;
  --accent-link:    #da7e46;

  --accent-armed:         #FF4C4C;
  --accent-law:           #4DA6FF;
  --accent-disasters:     #FFC300;
  --accent-politics:      #2ECC71;
  --accent-science:       #B266FF;
  --accent-sports:        #FF8C42;
  --accent-international: #FF66CC;
  --accent-art:           #00E5A8;
  --accent-default:       #E5E5E5;
  --accent-business:      #87a3b6;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-sans:    'IBM Plex Sans', 'Helvetica Neue', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --space:      8px;
  --radius:     6px;
  --max-width:  680px;
  --padding:    24px;
  --t:          200ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow:     400ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  background-image: radial-gradient(circle at 50% 0%, #121212 0%, var(--bg) 60%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { display: block; max-width: 100%; }

/* ============================================
   Container
   ============================================ */
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-block: 0 80px;
  padding-inline: var(--padding);
}

.indexHeader h1 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(44px, 10vw, 68px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 0.9;
  padding-block: calc(var(--space)*5) calc(var(--space)*3);
  color: var(--text-primary);
}

/* ============================================
   Date Landmark
   ============================================ */
.date-section,
.header:has(.date) {
  position: relative;
  margin-block-start: calc(var(--space)*7);
  padding-block: calc(var(--space)*2.5);
  border-block: 1px solid var(--border);
  overflow: hidden;
}

.date-label,
.header .date {
  position: relative;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: center;
  color: var(--accent-default);
  line-height: 1;
}

/* ============================================
   Category Sections
   ============================================ */
.category-section {
  margin-block-start: calc(var(--space)*3.5);
  padding-inline-start: 14px;
  border-inline-start: 2px solid var(--accent-default);
  opacity: 0.96;
}

.Armedconflictsandattacks  { border-inline-start-color: var(--accent-armed); }
.Lawandcrime               { border-inline-start-color: var(--accent-law); }
.Disastersandaccidents     { border-inline-start-color: var(--accent-disasters); }
.Politicsandelections      { border-inline-start-color: var(--accent-politics); }
.Healthandenvironment      { border-inline-start-color: var(--accent-science); }
.Sports                    { border-inline-start-color: var(--accent-sports); }
.Internationalrelations    { border-inline-start-color: var(--accent-international); }
.Artsandculture            { border-inline-start-color: var(--accent-art); }
.Scienceandtechnology      { border-inline-start-color: var(--accent-science); }
.Businessandeconomy        { border-inline-start-color: var(--accent-business); }

.category-header {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding-block: calc(var(--space)*2.5) calc(var(--space)*1.5);
}

/* ============================================
   Event Cards
   ============================================ */
.event {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: calc(var(--space)*3);
  margin-block-end: calc(var(--space)*2);
  box-shadow: 0 1px 2px rgba(0,0,0,0.3);
  transition: border-color var(--t), background var(--t), transform var(--t), box-shadow var(--t);
}

.event:hover {
  background: var(--bg-lift);
  border-color: #363636;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.35);
}

.event-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding-block-end: calc(var(--space)*1.5);
  margin-block-end: calc(var(--space)*1.5);
  border-block-end: 1px solid var(--border-light);
}
.event-title:empty { display: none; border: none; }

.event-text {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-primary);
  margin-block-end: calc(var(--space)*1.25);
}

/* ============================================
   Source Badges
   ============================================ */
.source-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 400;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent-link);
  background: var(--bg-lift);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding-block: 4px;
  padding-inline: 9px 11px;
  margin-inline-end: 6px;
  margin-block-start: 8px;
  transition: color var(--t), border-color var(--t), transform var(--t);
}

.source-badge::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-dim);
  flex-shrink: 0;
  transition: background var(--t);
}

.source-badge:hover {
  color: var(--text-secondary);
  border-color: #404040;
  transform: translateY(-1px);
}
.source-badge:hover::before { background: var(--text-secondary); }

/* ============================================
   Context (ongoing story catch-up)
   ============================================ */
.context {
  margin-block-start: calc(var(--space)*2);
  padding-block-start: calc(var(--space)*2);
  border-block-start: 1px solid var(--border-light);
}

.context-toggle {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-link);
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--t);
}

.context-toggle::after {
  content: '▾';
  font-size: 9px;
  transition: transform var(--t);
}
.context-toggle.open::after { transform: rotate(180deg); }
.context-toggle:hover { color: var(--text-dim); }
.context-toggle:focus-visible {
  outline: 2px solid var(--accent-link);
  outline-offset: 3px;
}

.context-panel {
  margin-block-start: calc(var(--space)*2);
  padding: calc(var(--space)*2.5);
  background: var(--bg-lift);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
}

.context-status {
  font-size: 12px;
  color: var(--text-secondary);
  font-style: italic;
}

/* WHAT / WHY / BACKGROUND content */
.context-content p {
  margin-block-end: calc(var(--space)*1.75);
}
.context-content p:last-child { margin-block-end: 0; }

.context-date {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: block;
  margin-block-end: 4px;
}

.context-text {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--text-primary);
}

/* Arrow-joined timeline (legacy, kept for compatibility) */
.context-timeline {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: calc(var(--space)*1);
  font-size: 13px;
  line-height: 1.6;
}

.context-step {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.context-arrow {
  color: var(--accent-link);
  font-size: 13px;
}

/* ============================================
   Error
   ============================================ */
.error {
  margin-block-start: calc(var(--space)*4);
  padding: calc(var(--space)*3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13.5px;
  color: var(--text-secondary);
  text-align: center;
}

/* ============================================
   Loader
   ============================================ */
#loader-div {
  margin: 0;
  padding: 0;
  position: absolute;
  inset-inline-end: 0;
  inset-block-start: 0;
  width: 100%;
  height: 100%;
  z-index: 999;
}

.loader {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 45%;
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255,255,255,0.15);
  border-block-start-color: var(--accent-link);
  border-radius: 50%;
  display: inline-block;
  box-sizing: border-box;
  animation: rotation 900ms cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

@keyframes rotation {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ============================================
   Animations
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
  .event {
    opacity: 0;
    transform: translateY(14px);
    animation: up var(--t-slow) forwards;
    animation-delay: 60ms;
  }
  .event:nth-child(2) { animation-delay: 120ms; }
  .event:nth-child(3) { animation-delay: 180ms; }
  .event:nth-child(4) { animation-delay: 240ms; }
  .event:nth-child(5) { animation-delay: 300ms; }

  .date-section,
  .header:has(.date) {
    opacity: 0;
    animation: fade 500ms ease forwards;
    animation-delay: 20ms;
  }

  .context-panel {
    opacity: 0;
    transform: translateY(-6px);
    animation: up 280ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
  }

  @keyframes up   { to { opacity: 1; transform: translateY(0); } }
  @keyframes fade { to { opacity: 1; } }
}

/* ============================================
   Responsive
   ============================================ */
@media (min-width: 720px) {
  :root { --padding: 36px; }
}