/* static/css/editorial.css — Japanese Zen Architectural Design System */

@font-face {
  font-family: 'textbook';
  src: url('/static/fonts/_HGSKyokashotai.ttf') format('truetype'),
       url('/media/_HGSKyokashotai.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  --zen-washi: #FAF8F5;
  --zen-hinoki: #F4EFE6;
  --zen-kurogane: #181A1B;
  --zen-sumi: #2D3135;
  --zen-shu: #C23B22;
  --zen-aizome: #1E2C3A;
  --zen-matcha: #264332;
  --zen-border: rgba(24, 26, 27, 0.12);
  --zen-border-subtle: rgba(24, 26, 27, 0.06);
}

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

html, body {
  background-color: var(--zen-washi);
  color: var(--zen-kurogane);
  font-family: "Roboto", 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  margin: 0;
  padding: 0;
  height: 100svh;
  height: 100dvh;
  overflow: hidden;
}

@media (min-width: 1024px) {
  html {
    font-size: 17px;
  }
}

@media (min-width: 1440px) {
  html {
    font-size: 18px;
  }
}

/* Zen Shōji Screen Lattice Pattern */
.zen-shoji-pattern {
  background-color: var(--zen-washi);
  background-image: 
    linear-gradient(rgba(24, 26, 27, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 26, 27, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* Tab Bleed Prevention */
.hidden { display: none !important }

/* Typographical Systems */
.font-editorial-serif {
  font-family: 'Cinzel', Georgia, serif;
  letter-spacing: 0.02em;
}
.font-sans { font-family: "Roboto", 'Plus Jakarta Sans', -apple-system, sans-serif }
.font-mono { font-family: 'Space Mono', ui-monospace, monospace }
.jp-font, .jp-mincho {
  font-family: 'textbook', '_HGSKyokashotai', 'BIZ UDPMincho', 'Noto Serif JP', serif !important;
  letter-spacing: 0.025em;
  font-feature-settings: "palt" 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* Kumiko & Shōji Architectural Dividers */
.hairline-border { border: 1px solid var(--zen-border) }
.hairline-border-t { border-top: 1px solid var(--zen-border) }
.hairline-border-b { border-bottom: 1px solid var(--zen-border) }
.hairline-border-r { border-right: 1px solid var(--zen-border) }

/* Branch Architectural Distinct Colors */
.branch-kurogane { border-left: 3px solid var(--zen-kurogane) !important }
.branch-aizome { border-left: 3px solid var(--zen-aizome) !important }
.branch-shu { border-left: 3px solid var(--zen-shu) !important }
.branch-matcha { border-left: 3px solid var(--zen-matcha) !important }

/* Navigation Dock Button Styling */
.nav-dock-btn {
  border-bottom: 2px solid transparent;
  color: #737373;
  cursor: pointer;
  background: transparent;
  transition: all 0.15s ease;
}
.nav-dock-btn:hover { color: var(--zen-kurogane) }
.nav-dock-btn.active-dock-tab {
  border-bottom: 2px solid var(--zen-kurogane) !important;
  color: var(--zen-kurogane) !important;
  font-weight: 700;
}
.nav-dock-btn:active {
  transform: scale(0.97);
}

/* Subtle Interactive Tactile Press */
.tap-press {
  transition: transform 0.12s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.12s ease;
}
.tap-press:active { transform: scale(0.98) }

/* Progressive Disclosure Animation */
.disclosure-drawer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
  opacity: 0;
}
.disclosure-drawer.open {
  max-height: 2400px;
  opacity: 1;
}

/* Invisible Scrollbars Everywhere (No Scrollbars Invariant) */
* {
  scrollbar-width: none !important;
  -ms-overflow-style: none !important;
}
*::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

/* Mobile-Style Drag-To-Scroll Indicator & Cursor */
.overflow-y-auto, .overflow-x-auto, [data-drag-scroll] {
  overscroll-behavior: contain;
  cursor: grab;
  -webkit-overflow-scrolling: touch;
}
body.is-dragging-active, body.is-dragging-active * {
  cursor: grabbing !important;
  user-select: none !important;
  -webkit-user-select: none !important;
}

/* Inline Sync Telemetry Progress Bar */
.sync-progress-bar {
  background: repeating-linear-gradient(45deg, #C23B22, #C23B22 10px, #9E2E18 10px, #9E2E18 20px);
  background-size: 200% 200%;
  animation: syncStripes 1s linear infinite;
}
@keyframes syncStripes {
  0% { background-position: 100% 0 }
  100% { background-position: 0 0 }
}

/* Compositor Layer & GPU Containment */
#dockSlidingPill,
#topTrackPill {
  transition: transform 250ms cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
}

body.is-viewport-dragging #dockSlidingPill,
body.is-viewport-dragging #topTrackPill {
  transition: none !important;
}

.stage-panel {
  contain: layout paint;
  will-change: opacity;
  animation: stageFadeIn 100ms ease-out;
}

@keyframes stageFadeIn {
  from { opacity: 0.9; }
  to { opacity: 1; }
}
.gpu-card {
  will-change: transform, opacity;
  transform: translateZ(0);
  backface-visibility: hidden;
  contain: layout;
}
.gpu-scroll {
  contain: layout paint;
  transform: translateZ(0);
  -webkit-overflow-scrolling: touch;
}