/* ==========================================================================
   MODERN BRUTALIST SPATIAL DEPTH STYLESHEET (v3)
   Dual-Pane Spatial Workspace: 3D Stage (Left) + Cyber Visual Inspector (Right)
   Rock-Solid Clicks · Full Flat-Mode Scrolling · < 7KB minified
   ========================================================================== */

:root {
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Typographic Golden Ratio Steps */
  --text-xs: 0.76rem;
  --text-sm: 0.86rem;
  --text-base: 0.98rem;
  --text-md: 1.12rem;
  --text-lg: 1.30rem;
  --text-xl: 1.65rem;
  --text-display: clamp(2.0rem, 4vw, 3.0rem);

  /* Spacing */
  --space-xs: 0.35rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 1.75rem;
  --space-xl: 2.75rem;

  /* Theme: Dark (Default) */
  --bg: #07080a;
  --surface: #0e1017;
  --surface-hover: #151822;
  --border: #222634;
  --border-focus: #4f8eff;
  --text: #f0f2f5;
  --text-muted: #828898;
  --accent: #1f69ff;
  --accent-bright: #4f8eff;
  --accent-contrast: #ffffff;
  --shadow: #000000;
  --badge-bg: #141824;
  --code-bg: #090a10;
  --solar-fill: rgba(31, 105, 255, 0.15);
  --status-online: #00ff66;
  --hud-bg: rgba(14, 16, 23, 0.94);
  --inspector-width: 360px;
}

[data-theme="light"] {
  --bg: #f4f4ee;
  --surface: #ffffff;
  --surface-hover: #f7f7f2;
  --border: #141518;
  --border-focus: #0047ff;
  --text: #141518;
  --text-muted: #4e5361;
  --accent: #0047ff;
  --accent-bright: #0037cc;
  --accent-contrast: #ffffff;
  --shadow: #141518;
  --badge-bg: #e6e8ee;
  --code-bg: #e8ebf2;
  --solar-fill: rgba(0, 71, 255, 0.12);
  --status-online: #009933;
  --hud-bg: rgba(244, 244, 238, 0.96);
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* Selection & Focus */
::selection {
  background: var(--accent);
  color: var(--accent-contrast);
}

:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 2px;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.035em;
  color: var(--text);
}

h1 { font-size: var(--text-display); }
h2 { font-size: var(--text-xl); border-bottom: 2px solid var(--border); padding-bottom: var(--space-xs); margin-bottom: var(--space-md); }
h3 { font-size: var(--text-lg); }

p { margin-bottom: var(--space-sm); color: var(--text); }
p.lead { font-size: var(--text-md); line-height: 1.6; }
.muted { color: var(--text-muted); }
.mono { font-family: var(--font-mono); }

/* Links & Brutalist Buttons */
a {
  color: var(--accent-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1.5px;
  cursor: pointer;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--text);
  background-color: var(--accent);
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  background: var(--surface);
  color: var(--text);
  padding: 0.5rem 0.9rem;
  border: 2px solid var(--border);
  box-shadow: 3px 3px 0 var(--shadow);
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--accent);
  background: var(--surface-hover);
  color: var(--text);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--accent);
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--border);
}

.btn-primary:hover {
  background: var(--accent-bright);
  color: var(--accent-contrast);
}

/* ==========================================================================
   PERSISTENT HUD BREADCRUMBS (Top & Bottom Rails)
   ========================================================================== */

.spatial-hud-top {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 48px;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--space-md);
  background: var(--hud-bg);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--border);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.spatial-hud-bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 44px;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--space-md);
  background: var(--hud-bg);
  backdrop-filter: blur(10px);
  border-top: 2px solid var(--border);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.sector-nav-rail {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-sector-btn {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.22rem 0.6rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.nav-sector-btn:hover {
  color: var(--text);
  border-color: var(--accent-bright);
}

.nav-sector-btn.active {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
  box-shadow: 2px 2px 0 var(--shadow);
}

.hud-control-btn {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 0.22rem 0.55rem;
  cursor: pointer;
  font-weight: 700;
  box-shadow: 2px 2px 0 var(--shadow);
  transition: all 0.1s;
}

.hud-control-btn:hover {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--status-online);
  box-shadow: 0 0 6px var(--status-online);
}

/* ==========================================================================
   WORKSPACE SHELL: 3D CAMERA STAGE (Left) + CYBER INSPECTOR (Right)
   ========================================================================== */

#workspaceContainer {
  position: relative;
  width: 100vw;
  height: calc(100vh - 92px);
  margin-top: 48px;
  display: flex;
  overflow: hidden;
}

#spatialViewport {
  position: relative;
  flex: 1;
  height: 100%;
  overflow: hidden;
  perspective: 1100px;
  perspective-origin: 50% 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#cameraWorld {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Sector Planes (Depth Layers) */
.sector-plane {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(840px, 92%);
  max-height: 82vh;
  overflow-y: auto;
  background: var(--surface);
  border: 2px solid var(--border);
  padding: var(--space-lg);
  box-shadow: 6px 6px 0 var(--shadow);
  transform-origin: center center;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), 
              opacity 0.4s ease, 
              filter 0.4s ease;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.sector-plane::-webkit-scrollbar {
  width: 6px;
}
.sector-plane::-webkit-scrollbar-thumb {
  background: var(--border);
}

/* Three Spatial Plane States */
.sector-plane.plane-active {
  transform: translate(-50%, -50%) translate3d(0, 0, 0) scale(1);
  opacity: 1;
  filter: blur(0px);
  pointer-events: auto;
  z-index: 50;
  display: block;
}

.sector-plane.plane-depth-1 {
  transform: translate(-50%, -50%) translate3d(0, 0, -250px) scale(0.93);
  opacity: 0.32;
  filter: blur(1.5px);
  pointer-events: none;
  z-index: 20;
  display: block;
}

.sector-plane.plane-depth-2 {
  transform: translate(-50%, -50%) translate3d(0, 0, -500px) scale(0.86);
  opacity: 0.10;
  filter: blur(3px);
  pointer-events: none;
  z-index: 10;
  display: block;
}

.sector-plane.plane-hidden {
  display: none !important;
  pointer-events: none !important;
  opacity: 0 !important;
  z-index: 0 !important;
}

/* Sector Header Badge */
.sector-tag {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--accent-bright);
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
  border-bottom: 1px dashed var(--border);
  padding-bottom: 0.35rem;
}

/* Telemetry Strip */
.telemetry-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-top: 1px dashed var(--border);
  border-bottom: 1px dashed var(--border);
  margin: var(--space-md) 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.telemetry-item strong {
  color: var(--accent-bright);
}

/* Cards & Layout */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  padding: var(--space-md);
  box-shadow: 3px 3px 0 var(--shadow);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.card-period {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.card-role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-bright);
  font-weight: 700;
}

.card-impact {
  border-left: 3px solid var(--accent);
  padding-left: var(--space-sm);
  margin: var(--space-sm) 0;
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: var(--space-sm);
}

.badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 0.15rem 0.45rem;
  background: var(--badge-bg);
  color: var(--text);
  border: 1px solid var(--border);
  font-weight: 600;
}

.zoom-hint {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-md);
  padding: var(--space-xs) var(--space-sm);
  background: var(--badge-bg);
  border: 1px dashed var(--border);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-bright);
}

/* ==========================================================================
   CYBER VISUAL INSPECTOR PANE (Right Sidebar)
   Interactive Visuals: Radar, State Machine, Solar Telemetry, Fleet Nodes
   ========================================================================== */

#inspectorPane {
  width: var(--inspector-width);
  height: 100%;
  border-left: 2px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  z-index: 100;
  box-shadow: -4px 0 10px rgba(0,0,0,0.3);
  font-family: var(--font-mono);
}

.inspector-header {
  padding: 0.6rem var(--space-sm);
  border-bottom: 2px solid var(--border);
  background: var(--badge-bg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  font-weight: 700;
}

.inspector-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.inspector-footer {
  padding: 0.4rem var(--space-sm);
  border-top: 1px dashed var(--border);
  background: var(--badge-bg);
  font-size: 0.72rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
}

/* Dynamic Visual Stage Box */
.visual-stage {
  border: 1.5px solid var(--border);
  background: var(--code-bg);
  padding: 0.75rem;
  position: relative;
  overflow: hidden;
  box-shadow: 2px 2px 0 var(--shadow);
}

[data-theme="light"] #inspectorPane {
  box-shadow: -4px 0 10px rgba(0,0,0,0.06);
}

[data-theme="light"] .scanline {
  opacity: 0.2;
}

.visual-stage-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--accent-bright);
  font-weight: 700;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.25rem;
}

/* Pulsing grid scan line */
.scanline {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-bright), transparent);
  animation: scanAnim 3s linear infinite;
  opacity: 0.6;
  pointer-events: none;
}

@keyframes scanAnim {
  0% { top: 0%; }
  100% { top: 100%; }
}

/* Animated Pulse Waves */
.radar-pulse {
  animation: pulseAnim 2.5s ease-out infinite;
  transform-origin: center;
}

@keyframes pulseAnim {
  0% { r: 10; opacity: 0.8; }
  100% { r: 50; opacity: 0; }
}

/* Cyber Metric Line */
.cyber-metric-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  padding: 0.25rem 0;
  border-bottom: 1px dotted var(--border);
}

.cyber-metric-row span:last-child {
  color: var(--text);
  font-weight: 700;
}

/* ==========================================================================
   FLAT DOCUMENT MODE (html[data-view="flat"])
   Dual-Pane Layout: Fixed Right Telemetry Inspector + Scrolling Left Document
   Left pane scrolls naturally while right pane stays fixed and reactive.
   ========================================================================== */

html[data-view="flat"],
html[data-view="flat"] body {
  width: 100% !important;
  height: 100% !important;
  overflow: hidden !important; /* Window never scrolls; dual-pane stays fixed */
}

html[data-view="flat"] #workspaceContainer {
  position: relative !important;
  width: 100vw !important;
  height: calc(100vh - 92px) !important;
  margin-top: 48px !important;
  display: flex !important;
  overflow: hidden !important;
}

html[data-view="flat"] #spatialViewport {
  flex: 1 !important;
  min-width: 0 !important;
  height: 100% !important;
  overflow-y: auto !important; /* Left pane scrolls independently */
  overflow-x: hidden !important;
  perspective: none !important;
  display: block !important;
  padding: var(--space-lg) var(--space-md) var(--space-xl) var(--space-md) !important;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--surface);
  scroll-behavior: smooth;
}

html[data-view="flat"] #spatialViewport::-webkit-scrollbar {
  width: 7px;
}
html[data-view="flat"] #spatialViewport::-webkit-scrollbar-track {
  background: var(--surface);
  border-left: 1px solid var(--border);
}
html[data-view="flat"] #spatialViewport::-webkit-scrollbar-thumb {
  background: var(--border-focus, #4f8eff);
}
html[data-view="flat"] #spatialViewport::-webkit-scrollbar-thumb:hover {
  background: var(--accent-bright);
}

html[data-view="flat"] #cameraWorld {
  display: block !important;
  position: static !important;
  transform: none !important;
  width: 100% !important;
  max-width: 840px !important;
  margin: 0 auto !important;
  height: auto !important;
}

html[data-view="flat"] .sector-plane {
  position: relative !important;
  top: auto !important;
  left: auto !important;
  transform: none !important;
  margin: 0 0 var(--space-xl) 0 !important;
  max-height: none !important;
  height: auto !important;
  overflow: visible !important;
  opacity: 1 !important;
  filter: none !important;
  pointer-events: auto !important;
  display: block !important;
  width: 100% !important;
  scroll-margin-top: var(--space-md) !important;
}

html[data-view="flat"] .sector-plane:last-child {
  margin-bottom: var(--space-xl) !important;
}

/* Inspector Pane: Remains fixed in place on the right in Flat Mode */
html[data-view="flat"] #inspectorPane {
  display: flex !important;
  width: var(--inspector-width) !important;
  height: 100% !important;
  flex-shrink: 0 !important;
  border-left: 2px solid var(--border) !important;
  background: var(--surface) !important;
  z-index: 100 !important;
}

html[data-view="flat"] .zoom-hint {
  display: none !important;
}

/* Responsive Layout */
@media (max-width: 1024px) {
  #inspectorPane,
  html[data-view="flat"] #inspectorPane {
    display: none !important;
  }
}

@media (max-width: 640px) {
  .sector-plane {
    width: 96%;
    padding: var(--space-md);
  }
  .spatial-hud-top, .spatial-hud-bottom {
    padding: 0 0.5rem;
  }
  .nav-sector-btn {
    padding: 0.18rem 0.35rem;
    font-size: 0.65rem;
  }
}

/* CRT Scanline Overlay */
body.crt-enabled::after {
  content: "";
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.28) 50%);
  background-size: 100% 4px;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.65;
}
[data-theme="light"] body.crt-enabled::after {
  background: linear-gradient(rgba(240, 240, 240, 0) 50%, rgba(0, 0, 0, 0.08) 50%);
  background-size: 100% 4px;
}