/* ============================================================
   BUDDHIST DIPLOMACY — Layout
   Full-width editorial layout, containers, responsive
   ============================================================ */

/* --- Page Shell --- */
.page-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* --- Page Body (Full Width — no sidebar on homepage) --- */
.page-body {
  display: flex;
  flex: 1;
  width: 100%;
}

/* --- Sidebar (kept for category/admin pages) --- */
.sidebar {
  width: 220px;
  min-width: 220px;
  padding: var(--space-4) var(--space-3) var(--space-4) 0;
  position: sticky;
  top: 72px;
  height: calc(100vh - 72px);
  overflow-y: auto;
  border-right: 1px solid var(--border);
}

/* --- Main Content --- */
.main-content {
  flex: 1;
  min-width: 0;
}

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--margin-desktop);
  width: 100%;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--margin-desktop);
  width: 100%;
}

.container-reading {
  max-width: var(--container-reading);
  margin: 0 auto;
  padding: 0 var(--margin-desktop);
  width: 100%;
}

/* --- Section --- */
.section {
  padding: var(--section-gap) 0;
}

.section-sm {
  padding: var(--section-gap-sm) 0;
}

.section-border {
  border-top: 1px solid var(--border);
}

/* --- Full Bleed (hero, map, newsletter) --- */
.full-bleed {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
}

/* --- Content Grid --- */
.content-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
}

.col-span-full { grid-column: 1 / -1; }
.col-span-6    { grid-column: span 6; }
.col-span-4    { grid-column: span 4; }
.col-span-3    { grid-column: span 3; }
.col-span-8    { grid-column: span 8; }

/* --- Post Grid --- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-3);
}

/* --- Magazine Grid (65/35 featured split) --- */
.magazine-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: var(--space-4);
  align-items: start;
}

.magazine-grid-secondary {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* --- Article Layout (Single Post) --- */
.article-container {
  max-width: 740px;
  margin: 0 auto;
}

/* --- Analysis Grid (3 columns) --- */
.analysis-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

/* --- Region Grid --- */
.region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-2);
}

/* --- Flex Utilities --- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* --- Intelligence Stream (Ticker) --- */
.stream-container {
  position: relative;
  overflow: hidden;
}

.stream-scroll {
  display: flex;
  gap: var(--space-5);
  white-space: nowrap;
  animation: ticker-scroll 60s linear infinite;
}

.stream-scroll:hover {
  animation-play-state: paused;
}

@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Sidebar Overlay (mobile) --- */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 90;
  backdrop-filter: blur(4px);
}

.sidebar-overlay.active {
  display: block;
}

/* --- Entrance Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-entrance) var(--ease-out),
              transform var(--duration-entrance) var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }
.reveal-delay-5 { transition-delay: 500ms; }

/* ===================== RESPONSIVE ===================== */

/* Large desktop */
@media (max-width: 1440px) {
  .container {
    padding: 0 var(--space-5);
  }
}

/* Tablet landscape */
@media (max-width: 1200px) {
  .analysis-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .magazine-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-3);
  }
}

/* Tablet */
@media (max-width: 992px) {
  .sidebar {
    width: 200px;
    min-width: 200px;
  }

  .magazine-grid {
    grid-template-columns: 1fr;
  }

  .post-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

/* Mobile */
@media (max-width: 768px) {
  .page-body {
    flex-direction: column;
    padding: 0;
  }

  .sidebar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background: var(--surface);
    z-index: 100;
    padding: var(--space-10) var(--space-3) var(--space-4);
    border-right: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
  }

  .sidebar.mobile-open {
    display: block;
  }

  .main-content {
    padding: 0;
  }

  .container {
    padding: 0 var(--margin-mobile);
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .col-span-6,
  .col-span-4,
  .col-span-3,
  .col-span-8 {
    grid-column: 1 / -1;
  }

  .post-grid {
    grid-template-columns: 1fr;
  }

  .analysis-grid {
    grid-template-columns: 1fr;
  }

  .region-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section {
    padding: var(--space-8) 0;
  }

  .section-sm {
    padding: var(--space-6) 0;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .region-grid {
    grid-template-columns: 1fr;
  }
}