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

:root {
  --ink:       #111111;
  --chalk:     #F9F9F9;
  --red:       #E63946;
  --yellow:    #FFB703;
  --blue:      #0077B6;
  --void:      #0A0A0A;
  --slate:     #1A1A1A;
  --gap:       5px;
  --font-head: 'Syne', sans-serif;
  --font-mono: 'Space Mono', monospace;
  
  /* Layout scale modifier parameter to stretch out the canvas matrix width significantly */
  --grid-scale-factor: 1.0;
}

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--void);
}

/* ─── Floating Action Control Layout ────────────────────────────── */
#macro-toggle-btn {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999; /* Fixes visibility state above HUD layers */
  background: var(--void);
  color: var(--chalk);
  border: 1px solid rgba(249, 249, 249, 0.2);
  padding: 11px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.3s ease;
}


#macro-toggle-btn:hover {
  background: var(--chalk);
  color: var(--ink);
  border-color: var(--chalk);
}

/* ─── Canvas Root Viewport ───────────────────────────────────────── */
#canvas-root {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
  user-select: none;
  
  /* Architectural deep 3D perspective setup space definitions */
  perspective: 1500px;
  perspective-origin: center center;
}
#canvas-root.dragging { cursor: grabbing; }

#canvas-viewport {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}

.tile {
  position: absolute;
  top: 0; left: 0;
  will-change: transform;
  backface-visibility: hidden;
  transform-style: preserve-3d;
}

/* ─── Grid Cell Styling ──────────────────────────────────────────── */
.cell {
  position: absolute;
  overflow: hidden;
  background: var(--slate);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(10px, 1.5vw, 24px);
  cursor: pointer;
  transition: filter 0.2s ease;
  transform-style: preserve-3d;
}
.cell:hover { filter: brightness(1.08); }

.cell--ink    { background: var(--ink); }
.cell--chalk  { background: var(--chalk); }
.cell--red    { background: var(--red); }
.cell--blue   { background: var(--blue); }
.cell--yellow { background: var(--yellow); }
.cell--empty  { background: transparent; justify-content: center; align-items: center; cursor: default; }

/* ─── Macro Mosaic Asset Coordination Overlay Rules ────────────── */
.cell-macro-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 4;
  opacity: 0;
  pointer-events: none;
  background-repeat: no-repeat;
  
  /* Smooth progressive tracking properties matching viewport easing timeline */
  transition: opacity 1.35s cubic-bezier(0.76, 0, 0.24, 1),
              filter 1.35s cubic-bezier(0.76, 0, 0.24, 1);
              
  /* Grayscale processing filter mapped into high-contrast specific brand color tints */
  filter: grayscale(1) contrast(1.15) brightness(0.75) sepia(0.08);
  background-blend-mode: multiply;
  background-color: var(--slate);
}

/* Active visibility rule triggers globally when state modification rules run */
#canvas-root.is-macro-view .cell-macro-overlay {
  opacity: 1;
}

/* Hide inner structural caption typography when canvas shifts to macro view mode */
#canvas-root.is-macro-view .cell__caption,
#canvas-root.is-macro-view .cell__img-mock,
#canvas-root.is-macro-view .cell__media,
#canvas-root.is-macro-view .cell__meta {
  opacity: 0 !important;
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Captions and Imagery Components */
.cell__caption {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.cell__tag { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; opacity: 0.5; }
.cell__title { font-family: var(--font-head); font-size: clamp(14px, 1.8vw, 26px); font-weight: 800; line-height: 1.1; margin-top: 8px; letter-spacing: -0.02em; }
.cell__subtitle { font-family: var(--font-mono); font-size: clamp(9px, 0.9vw, 11px); opacity: 0.6; margin-top: 4px; line-height: 1.3; }

.cell--ink .cell__tag, .cell--ink .cell__title { color: var(--chalk); }
.cell--chalk .cell__tag, .cell--chalk .cell__title { color: var(--ink); }

.cell__cta {
  display: inline-block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid currentColor;
  opacity: 0.6;
}

.cell__img-mock {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.15;
  pointer-events: none;
  z-index: 1;
  transition: opacity 0.4s ease;
}
.cell__img-mock svg { width: 32px; height: 32px; fill: currentColor; }

.cell__media {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  will-change: transform;
  z-index: 1;
  transition: opacity 0.4s ease;
}

/* ─── HUD Display Layer ─────────────────────────────────────────── */
#hud {
  position: absolute;
  top: 24px; left: 24px;
  z-index: 10;
  font-family: var(--font-mono);
  color: #fff;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: opacity 0.5s ease;
}
#canvas-root.is-macro-view #hud {
  opacity: 0.15; /* Subtly dim peripheral HUD markers on macro canvas zooms */
}
#hud-coords { font-size: 11px; letter-spacing: 0.15em; font-weight: 700; }
#hud-hint { font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase; color: #ffffff28; }
#hud-counter { opacity: 0.5; font-size: 14px; }

/* ═══════════════════════════════════════════════════════════════════
   MODAL SYSTEM — Option C: Dynamic Hinge + 3D Perspective
   ═══════════════════════════════════════════════════════════════════ */


#modal-stage {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  pointer-events: none;
  visibility: hidden;
  background: rgba(4, 4, 4, 0);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  transition:
    background      0.5s  cubic-bezier(0.16, 1, 0.3, 1),
    backdrop-filter 0.5s  cubic-bezier(0.16, 1, 0.3, 1),
    visibility      0s    linear 0.55s;
}

#modal-stage.is-open {
  pointer-events: auto;
  visibility: visible;
  background: rgba(4, 4, 4, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition:
    background      0.5s cubic-bezier(0.16, 1, 0.3, 1),
    backdrop-filter 0.5s cubic-bezier(0.16, 1, 0.3, 1),
    visibility      0s   linear 0s;
}

/* ─── Modal Card ─────────────────────────────────────────────────── */
#modal-card {
  position: relative;
  width: 100%;
  max-width: 1080px;
  height: 78vh;
  display: flex;
  overflow: hidden;
  background: var(--slate);
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transition: opacity 0.22s ease;
}
/* ─── Hinge variants set by JS ───────────────────────────────────── */
#modal-card.hinge-left {
  transform-origin: left center;
  transform: rotateY(90deg) scale(0.88);
}

#modal-card.hinge-right {
  transform-origin: right center;
  transform: rotateY(-90deg) scale(0.88);
}

/* ─── Open state ─────────────────────────────────────────────────── */
#modal-stage.is-open #modal-card {
  opacity: 1;
}

/* ─── Close button ───────────────────────────────────────────────── */
#modal-close-trigger {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 20;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.45);
  color: var(--chalk);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.25s ease;
}
#modal-close-trigger:hover {
  background: rgba(230, 57, 70, 0.85);
  transform: rotate(90deg);
}
#modal-close-trigger svg {
  width: 16px;
  height: 16px;
  pointer-events: none;
}

/* ─── Media frame (left 55%) ─────────────────────────────────────── */
#modal-media-frame {
  flex: 1.2;
  position: relative;
  background: #0a0a0a;
  overflow: hidden;
}

#modal-media-frame img,
#modal-media-frame video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.modal-media-mock {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.08;
  color: var(--chalk);
}
.modal-media-mock svg {
  width: 48px;
  height: 48px;
}

/* ─── Content panel (right 45%) ──────────────────────────────────── */
#modal-scroll-panel {
  width: 380px;
  flex: none;
  background: #141414;
  border-left: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

#modal-scroll-panel::-webkit-scrollbar { width: 3px; }
#modal-scroll-panel::-webkit-scrollbar-track { background: transparent; }
#modal-scroll-panel::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); }

/* ─── Panel interior ─────────────────────────────────────────────── */
.modal-header {
  padding: 36px 32px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-header .story-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
}

.modal-header .story-title {
  font-family: var(--font-head);
  font-size: clamp(20px, 2.4vw, 32px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--chalk);
  margin-bottom: 8px;
}

.modal-header .story-subtitle {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.35);
  text-transform: uppercase;
}

/* ─── Body content ───────────────────────────────────────────────── */
.modal-content-stream {
  padding: 28px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.story-body-text {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
}
.story-body-text p { margin-bottom: 14px; }
.story-body-text p:last-child { margin-bottom: 0; }

/* ─── Utility bar ────────────────────────────────────────────────── */
.modal-utility-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: auto;
}

.utility-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  padding: 7px 14px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.utility-btn:hover {
  color: var(--chalk);
  border-color: rgba(255, 255, 255, 0.4);
}
.utility-btn svg { width: 14px; height: 14px; }
.utility-btn.liked { color: var(--red); border-color: var(--red); }
.utility-btn.liked svg { fill: var(--red); stroke: var(--red); }

/* ─── Comments ───────────────────────────────────────────────────── */
.modal-comments-section {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 20px;
}

.comments-heading {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.25);
  margin-bottom: 14px;
}

.comments-stream {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.comment-row {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.45);
}

.comment-author {
  font-weight: 700;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.7);
  margin-right: 8px;
  letter-spacing: 0.08em;
}

/* ─── Staggered entrance for panel content ───────────────────────── */
.modal-header,
.modal-content-stream {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.32s ease, transform 0.32s ease;
}

#modal-stage.content-visible .modal-header {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.1s;
}

#modal-stage.content-visible .modal-content-stream {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.2s;
}

/* ═══════════════════════════════════════════════════════════════════
   MOBILE — bottom hinge (rotateX drawer)
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 767px) {
  #modal-stage {
    padding: 0;
    align-items: flex-end;
    perspective-origin: center bottom;
  }

  #modal-card {
    max-width: 100%;
    height: 88vh;
    flex-direction: column;
    transform-origin: center bottom !important;
    transform: rotateX(-90deg) scale(0.92) !important;
    border-radius: 14px 14px 0 0;
  }

  #modal-stage.is-open #modal-card {
    transform: rotateX(0deg) scale(1) !important;
  }

  #modal-media-frame {
    flex: none;
    height: 42%;
    width: 100%;
  }

  #modal-scroll-panel {
    width: 100%;
    flex: 1;
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
  }

  .modal-header { padding: 24px 24px 18px; }
  .modal-content-stream { padding: 20px 24px; }
}

/* ═══════════════════════════════════════════════════════════════════
   PORTRAIT LAYER — Uncle Ho Mondrian Deconstruction
   Lives at translateZ(-1800px) in the same 3D space as the grid.
   Camera pulls back on macro mode to reveal it.
   ═══════════════════════════════════════════════════════════════════ */

#portrait-layer {
  position: absolute;
  /* Centered in viewport */
  top: 50%;
  left: 50%;
  width: 100vw;
  height: 100vh;
  transform: translateZ(-1800px) translate(-50%, -50%);
  transform-style: preserve-3d;
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  grid-template-rows: 2fr 2fr 1fr;
  gap: 6px;
  padding: 6px;
  background: var(--ink);
  /* Hidden from camera at normal Z — only visible when camera pulls back */
  pointer-events: none;
}