/* ============================================================================
   DUSTSHIELD DIGITAL TWIN — AEROSPACE MISSION OPS DESIGN SYSTEM
   Palette: Lunar Industrial — #161A20 / #1E242D / amber + #6EE7B7
   ============================================================================ */

/* ─── Design Tokens ─────────────────────────────────────────────────────────── */
:root {
  --bg-base:         #161A20;
  --bg-panel:        #1E242D;
  --bg-raised:       #2A313C;
  --bg-input:        #161A20;

  --border-subtle:   #2E3846;
  --border-strong:   #3D4A5C;

  --text-primary:    #E8EDF3;
  --text-secondary:  #8A95A3;
  --text-tertiary:   #566272;

  /* Accent — mission amber */
  --accent:          #F59E0B;
  --accent-dim:      rgba(245, 158, 11, 0.12);
  --accent-border:   rgba(245, 158, 11, 0.3);

  /* Data highlight — teal */
  --highlight:       #6EE7B7;
  --highlight-dim:   rgba(110, 231, 183, 0.1);
  --highlight-border:rgba(110, 231, 183, 0.25);

  /* Semantic states */
  --success:          #22C55E;
  --success-dim:      rgba(34, 197, 94, 0.1);
  --success-border:   rgba(34, 197, 94, 0.2);

  --warning:          #F97316;
  --warning-dim:      rgba(249, 115, 22, 0.1);
  --error:            #EF4444;
  --error-dim:        rgba(239, 68, 68, 0.1);

  /* Typography */
  --font-ui:   "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, monospace;

  /* Spacing */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px;
  --sp-4: 16px; --sp-5: 20px; --sp-6: 24px;

  /* Radii */
  --r-sm: 4px; --r-md: 6px; --r-lg: 8px;

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body { height: 100%; overflow: hidden; }

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

/* ─── Scrollbars ─────────────────────────────────────────────────────────────── */
::-webkit-scrollbar              { width: 4px; height: 4px; }
::-webkit-scrollbar-track        { background: transparent; }
::-webkit-scrollbar-thumb        { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover  { background: var(--text-tertiary); }

/* ─── Utility colours ────────────────────────────────────────────────────────── */
.text-success   { color: var(--success); }
.text-warning   { color: var(--warning); }
.text-error     { color: var(--error); }
.text-accent    { color: var(--accent); }
.text-highlight { color: var(--highlight); }
.text-muted     { color: var(--text-secondary); }
.mono           { font-family: var(--font-mono); }


/* ============================================================================
   TOP HEADER
   ============================================================================ */

.app-header {
  height: 44px;
  min-height: 44px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-4);
  gap: var(--sp-4);
  z-index: 200;
  user-select: none;
}

.header-identity {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex: 0 0 220px;   /* fixed left anchor — mirrors header-status width */
}

.header-logo-mark {
  width: 3px;
  height: 28px;
  background: var(--accent);
  border-radius: 2px;
  flex-shrink: 0;
}

.header-title-block { display: flex; flex-direction: column; }

.header-mission-id {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  line-height: 1.1;
}

.header-sub {
  font-size: 0.58rem;
  font-weight: 500;
  color: var(--text-tertiary);
  letter-spacing: 0.07em;
  line-height: 1.2;
}

/* Metrics strip */
.header-metrics {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: center;
  min-width: 0;
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 var(--sp-5);
}

.metric-label {
  font-size: 0.52rem;
  font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 3px;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1;
}
.metric-value.nominal  { color: var(--success); }
.metric-value.degraded { color: var(--warning); }
.metric-value.critical { color: var(--error); }
.metric-value.active   { color: var(--highlight); }

.metric-unit {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--text-tertiary);
  margin-left: 1px;
}

.metric-divider {
  width: 1px;
  height: 22px;
  background: var(--border-subtle);
  flex-shrink: 0;
}

/* EDS status badge in header */
.eds-status-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  padding: 2px 8px;
  border-radius: 3px;
}

.eds-status-badge.standby {
  color: var(--text-secondary);
  background: rgba(138, 149, 163, 0.1);
  border: 1px solid rgba(138, 149, 163, 0.15);
}

.eds-status-badge.active {
  color: var(--highlight);
  background: var(--highlight-dim);
  border: 1px solid var(--highlight-border);
  animation: status-pulse 2s infinite ease-in-out;
}

/* Status indicator */
.header-status {
  display: flex;
  align-items: center;
  flex: 0 0 220px;           /* same as header-identity = true centre */
  justify-content: flex-end; /* push pill to right edge */
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--r-sm);
  background: var(--success-dim);
  border: 1px solid var(--success-border);
}

.status-indicator.warn {
  background: var(--warning-dim);
  border-color: rgba(249, 115, 22, 0.2);
}

.status-indicator.crit {
  background: var(--error-dim);
  border-color: rgba(239, 68, 68, 0.2);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  animation: status-pulse 2.4s infinite ease-in-out;
}

.status-indicator.warn .status-dot { background: var(--warning); }
.status-indicator.crit .status-dot { background: var(--error); }

.status-label {
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--success);
  letter-spacing: 0.07em;
}

.status-indicator.warn .status-label { color: var(--warning); }
.status-indicator.crit .status-label { color: var(--error); }

@keyframes status-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.35; }
}


/* ============================================================================
   APP LAYOUT
   ============================================================================ */

.app-container {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.main-viewport {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.workspace-layout {
  flex: 1;
  display: flex;
  overflow: hidden;
}


/* ============================================================================
   LEFT PANE — Viewport
   position: relative so the overlay console-section can anchor to it
   ============================================================================ */

.left-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--border-subtle);
  min-width: 0;
  position: relative;   /* ← anchor for the absolute console overlay */
}

/* WebGL Viewport Card */
.viewport-card {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #080d14;
  /* The card always fills the left pane — the console overlays on top */
}

#threejs-container {
  flex: 1;
  width: 100%;
  min-height: 0;
  position: relative;
}

/* Viewport HUD bar */
.viewport-hud-bar {
  height: 36px;
  min-height: 36px;
  background: rgba(22, 26, 32, 0.94);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-4);
  z-index: 20;
  user-select: none;
  backdrop-filter: blur(4px);
}

.hud-left {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.sim-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: status-pulse 1.8s infinite ease-in-out;
}

.sim-text {
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.07em;
}

.hud-center {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Telemetry pills */
.hud-pill-meter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(30, 36, 45, 0.88);
  border: 1px solid var(--border-subtle);
  padding: 2px 10px;
  border-radius: 12px;
  height: 22px;
}

.hud-pill-meter .telemetry-status-icon { font-size: 12px; }

.telemetry-status-icon.animate-pulse {
  animation: status-pulse 2s infinite ease-in-out;
}

.meter-label {
  font-size: 0.58rem;
  font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.07em;
}

.meter-track {
  width: 52px;
  height: 3px;
  background: var(--bg-input);
  border-radius: 2px;
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 300ms var(--ease);
}

.fill-error      { background: var(--error); }
.fill-success    { background: var(--success); }
.fill-warning    { background: var(--warning); }
.fill-highlight  { background: var(--highlight); }

.meter-value-container {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-primary);
}

.meter-unit { font-size: 0.55rem; color: var(--text-tertiary); }

.hud-right { display: flex; align-items: center; }

/* Viewport bottom bar */
.viewport-overlay-bottom {
  height: 24px;
  background: rgba(8, 13, 20, 0.9);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-4);
  pointer-events: none;
  user-select: none;
}

.coord-readout {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--text-tertiary);
}

.stream-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.buffer-bar-container {
  width: 60px;
  height: 2px;
  background: var(--border-subtle);
  overflow: hidden;
}

.buffer-bar {
  height: 100%;
  background: var(--accent);
  animation: buffer-slide 2s infinite linear;
}

.fps-counter {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--accent);
}


/* ============================================================================
   EVENT STREAM — OVERLAY drawer (position: absolute)
   Slides up OVER the viewport without resizing the WebGL canvas.
   ============================================================================ */

.console-section {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  /* Collapsed: only the header is visible (36px) */
  height: 36px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: height 280ms var(--ease);
  z-index: 50;
  /* Cast a shadow upward so it feels like a drawer */
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.45);
}

.console-section.expanded {
  height: 220px;
}

.console-header {
  height: 36px;
  min-height: 36px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--sp-4);
  cursor: pointer;
  user-select: none;
  flex-shrink: 0;
}

.console-title-box {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.console-icon {
  font-size: 14px;
  color: var(--accent);
}

.console-title {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.03em;
}

.console-badge {
  font-size: 0.52rem;
  font-weight: 700;
  color: var(--success);
  background: var(--success-dim);
  border: 1px solid var(--success-border);
  padding: 1px 5px;
  border-radius: 3px;
  letter-spacing: 0.07em;
  animation: status-pulse 3s infinite ease-in-out;
}

.console-controls {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.console-timestamp {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--text-tertiary);
}

.btn-toggle-log {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 2px;
  transition: color 120ms ease;
}

.btn-toggle-log:hover { color: var(--text-primary); }
.btn-toggle-log .material-symbols-outlined { font-size: 16px; }

.console-output {
  flex: 1;
  overflow-y: auto;
  padding: 6px 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--bg-base);
}

/* Event log lines */
.log-line {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  line-height: 1.5;
  display: flex;
  gap: 6px;
  align-items: baseline;
}

.log-time      { color: var(--text-tertiary); flex-shrink: 0; }
.log-separator { color: var(--border-strong); flex-shrink: 0; }

.log-type-tag {
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  padding: 0 4px;
  border-radius: 2px;
  flex-shrink: 0;
  line-height: 1.6;
}

.log-tag-info    { background: rgba(138, 149, 163, 0.1); color: var(--text-secondary); }
.log-tag-success { background: var(--success-dim);       color: var(--success); }
.log-tag-error   { background: var(--error-dim);         color: var(--error); }
.log-tag-warning { background: var(--warning-dim);       color: var(--warning); }

.log-body { color: var(--text-secondary); min-width: 0; word-break: break-word; }
.log-success .log-body { color: var(--success); }
.log-error   .log-body { color: var(--error); }
.log-warning .log-body { color: var(--warning); }


/* ============================================================================
   RIGHT INSPECTOR PANEL
   ============================================================================ */

.control-card {
  width: 300px;
  min-width: 300px;
  background: var(--bg-panel);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  user-select: none;
}

.inspector-section {
  padding: var(--sp-4);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.inspector-section:last-child { border-bottom: none; }

.section-header {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--border-subtle);
}

.section-icon  { font-size: 14px; color: var(--accent); }
.section-title {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

/* ─── Performance bars ───────────────────────────────────────────────────────── */

.perf-grid {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.perf-item {
  display: grid;
  grid-template-columns: 84px 1fr 44px;
  align-items: center;
  gap: var(--sp-2);
}

.perf-label {
  font-size: 0.63rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
}

.perf-bar-track {
  height: 4px;
  background: var(--bg-input);
  border-radius: 2px;
  overflow: hidden;
}

.perf-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 400ms var(--ease);
}

.perf-value {
  font-family: var(--font-mono);
  font-size: 0.63rem;
  font-weight: 600;
  text-align: right;
}

/* ─── Net Energy Recovered Card ──────────────────────────────────────────────── */

.energy-summary-card {
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--highlight);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.energy-card-header {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: 2px;
}

.energy-icon      { font-size: 13px; color: var(--highlight); }

.energy-card-title {
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.energy-value-row {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.energy-value {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--highlight);
  line-height: 1;
}

.energy-unit {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.energy-sub-row {
  display: flex;
  gap: var(--sp-2);
  align-items: center;
}

.energy-sub-label {
  font-size: 0.6rem;
  color: var(--text-tertiary);
}

.energy-sub-value {
  font-family: var(--font-mono);
  font-size: 0.63rem;
  font-weight: 600;
  color: var(--highlight);
}

/* ─── Parameter Controls ─────────────────────────────────────────────────────── */

.tuning-controls { display: flex; flex-direction: column; gap: var(--sp-4); }

.control-group { display: flex; flex-direction: column; gap: var(--sp-1); }

.control-header { display: flex; justify-content: space-between; align-items: baseline; }

.control-label {
  font-size: 0.66rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.control-readout {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--accent);
}

.control-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 0.56rem;
  color: var(--text-tertiary);
}

/* Slider */
.slider-container {
  position: relative;
  width: 100%;
  margin: 6px 0 2px;
}

.slider-tooltip {
  position: absolute;
  bottom: 22px;
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  border-radius: var(--r-sm);
  pointer-events: none;
  opacity: 0;
  transform: translateY(3px);
  transition: opacity 120ms ease, transform 120ms ease;
  white-space: nowrap;
  z-index: 10;
  box-shadow: 0 2px 6px rgba(0,0,0,0.5);
}

.slider-tooltip.visible { opacity: 1; transform: translateY(0); }

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  background: transparent;
  cursor: pointer;
}

input[type="range"]:focus { outline: none; }

input[type="range"]::-webkit-slider-runnable-track {
  width: 100%;
  height: 3px;
  background: var(--border-strong);
  border-radius: 2px;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 14px;
  width: 14px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 1px solid var(--border-strong);
  margin-top: -5.5px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.5);
  transition: transform 100ms ease, box-shadow 100ms ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 0 0 3px var(--accent-border);
}

input[type="range"]::-webkit-slider-thumb:active { transform: scale(0.95); }

input[type="range"]::-moz-range-track {
  height: 3px;
  background: var(--border-strong);
  border-radius: 2px;
}

input[type="range"]::-moz-range-thumb {
  height: 14px;
  width: 14px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 1px solid var(--border-strong);
  cursor: pointer;
}

/* Phase selector */
.phase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2);
  margin-top: 2px;
}

.btn-phase {
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  height: 28px;
  border-radius: var(--r-md);
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 150ms var(--ease);
}

.btn-phase:hover { background: var(--border-subtle); color: var(--text-primary); }

.btn-phase.active {
  background: var(--accent-dim);
  border-color: var(--accent-border);
  color: var(--accent);
}

/* Action buttons */
.action-buttons { display: flex; flex-direction: column; gap: var(--sp-2); }

.btn-activate {
  background: var(--accent);
  color: #161A20;
  border: none;
  height: 36px;
  border-radius: var(--r-md);
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  text-transform: uppercase;
  transition: filter 150ms var(--ease), transform 100ms ease;
}

.btn-activate:hover  { filter: brightness(1.1); }
.btn-activate:active { transform: scale(0.98); }
.btn-activate.active { background: var(--error); color: var(--text-primary); }
.btn-activate .material-symbols-outlined { font-size: 16px; }

.btn-reset {
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  height: 32px;
  border-radius: var(--r-md);
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 150ms var(--ease);
}

.btn-reset:hover { background: var(--border-subtle); color: var(--text-primary); }

/* ─── Hardware Section ───────────────────────────────────────────────────────── */

.hardware-status-row { padding: var(--sp-1) 0; }

.hardware-status-row p {
  font-size: 0.68rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 5px;
}

.hardware-status-row .material-symbols-outlined { font-size: 14px; }

.status-disconnected { color: var(--error); }
.status-connected    { color: var(--success); }

.btn-hardware {
  width: 100%;
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  height: 34px;
  border-radius: var(--r-md);
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  transition: all 150ms var(--ease);
}

.btn-hardware:hover  { background: var(--border-subtle); color: var(--text-primary); }

.btn-hardware.active {
  background: var(--success-dim);
  border-color: var(--success-border);
  color: var(--success);
}

.btn-hardware .material-symbols-outlined { font-size: 14px; }


/* ============================================================================
   VIEWPORT HUD OVERLAY ELEMENTS
   ============================================================================ */

.btn-return-orbit {
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  z-index: 50;
  background: rgba(22, 26, 32, 0.78);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 6px 14px;
  border-radius: var(--r-md);
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  backdrop-filter: blur(8px);
  transition: all 150ms var(--ease);
}

.btn-return-orbit:hover {
  background: rgba(30, 36, 45, 0.92);
  border-color: var(--accent-border);
  color: var(--accent);
}

.btn-return-orbit .material-symbols-outlined { font-size: 14px; }

/* Land button */
.btn-land {
  position: absolute;
  bottom: 44px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.1);
  border: 2px solid var(--accent);
  color: var(--accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  font-size: 0;
  gap: 0;
  backdrop-filter: blur(8px);
  animation: land-pulse 2.4s infinite ease-in-out;
  transition: all 200ms var(--ease);
}

.btn-land .material-symbols-outlined { font-size: 20px; flex-shrink: 0; }

.btn-land:hover {
  width: auto;
  height: 36px;
  border-radius: 18px;
  padding: 0 16px;
  font-size: 0.66rem;
  font-weight: 600;
  gap: 5px;
  animation: none;
  background: rgba(245, 158, 11, 0.2);
}

.btn-land:hover .material-symbols-outlined { font-size: 16px; }
.btn-land:active { transform: translateX(-50%) scale(0.96); }

@keyframes land-pulse {
  0%   { box-shadow: 0 0 0 0   rgba(245, 158, 11, 0.45); }
  60%  { box-shadow: 0 0 0 12px rgba(245, 158, 11, 0.0); }
  100% { box-shadow: 0 0 0 0   rgba(245, 158, 11, 0.0); }
}

/* Descent HUD overlay */
.descent-hud {
  position: absolute;
  inset: 0;
  z-index: 45;
  background: rgba(6, 10, 16, 0.72);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  font-family: var(--font-mono);
}

.hud-scanning-line {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.4;
  animation: hud-scan 3.5s infinite linear;
}

.hud-box {
  background: rgba(22, 26, 32, 0.92);
  border: 1px solid var(--border-strong);
  border-top: 2px solid var(--accent);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  min-width: 300px;
  text-align: center;
}

.hud-title {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hud-spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: hud-spin 1s infinite linear;
}

.hud-coords { font-size: 0.7rem; color: var(--text-primary); }

.hud-status {
  font-size: 0.62rem;
  color: var(--warning);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}


/* ============================================================================
   ANIMATIONS
   ============================================================================ */

@keyframes buffer-slide {
  0%   { transform: translateX(-140%); }
  100% { transform: translateX(200%); }
}

@keyframes hud-spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes hud-scan {
  0%   { top: 0%; }
  50%  { top: 100%; }
  100% { top: 0%; }
}

/* ============================================================================
   RESPONSIVE DESIGN (TABLET & MOBILE)
   ============================================================================ */

/* ─── Tablet and general mobile (under 768px) ────────────────────────────── */
@media (max-width: 768px) {
  .workspace-layout {
    flex-direction: column;
    overflow: hidden; /* Avoid main viewport scrolling; control-card will scroll */
  }

  .left-pane {
    height: 45dvh;
    min-height: 320px;
    flex: none;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }

  .control-card {
    width: 100%;
    min-width: 0;
    flex: 1;
    overflow-y: auto;
    border-left: none;
  }

  .inspector-section {
    padding: var(--sp-3) var(--sp-4); /* Slightly tighter spacing */
    gap: var(--sp-2);
  }

  .console-section.expanded {
    height: 160px; /* Reduced expanded height to not completely cover viewport */
  }
}

/* ─── Small Mobile Devices (under 600px) ────────────────────────────────── */
@media (max-width: 600px) {
  /* 2-Tier Mobile Header */
  .app-header {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: 44px 36px;
    height: 80px;
    min-height: 80px;
    padding: 0;
    gap: 0;
  }

  .header-identity {
    grid-column: 1;
    grid-row: 1;
    padding-left: var(--sp-3);
    flex: none;
  }

  .header-status {
    grid-column: 2;
    grid-row: 1;
    padding-right: var(--sp-3);
    flex: none;
  }

  .header-metrics {
    grid-column: 1 / span 2;
    grid-row: 2;
    background: var(--bg-raised);
    border-top: 1px solid var(--border-subtle);
    width: 100%;
    justify-content: space-around;
    align-items: center;
  }

  .metric-item {
    padding: 0;
  }

  .metric-divider {
    display: none; /* Hide dividers in 2-tier mobile strip */
  }

  /* HUD telemetric compression */
  .hud-left .sim-text {
    display: none; /* Hide long "3D SIMULATION - ACTIVE" text */
  }
  
  .hud-left::after {
    content: "3D";
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.07em;
  }

  .hud-pill-meter {
    padding: 2px 6px;
    gap: 4px;
  }

  .hud-pill-meter .meter-track {
    display: none; /* Hide progress track to fit both pills */
  }

  .hud-center {
    gap: var(--sp-2);
  }

  /* Return to orbit button compression */
  .btn-return-orbit {
    padding: 6px;
    border-radius: 50%;
    top: var(--sp-2);
    right: var(--sp-2);
  }

  .btn-return-orbit span:not(.material-symbols-outlined) {
    display: none; /* Hide "Return to Orbit" text, keep only icon */
  }

  /* Bottom coord/FPS bar compression */
  .viewport-overlay-bottom {
    padding: 0 var(--sp-2);
  }

  .coord-readout {
    font-size: 0.54rem;
  }

  .buffer-bar-container {
    display: none; /* Hide sliding buffer bar to make room */
  }
  
  .fps-counter {
    font-size: 0.54rem;
  }

  .hud-box {
    min-width: 280px;
    padding: var(--sp-4);
  }
}

/* ============================================================================
   PROJECT INFO DIALOG POPUP (MODAL)
   ============================================================================ */

dialog#project-info-modal {
  border: 1px solid var(--border-strong);
  background-color: var(--bg-panel);
  color: var(--text-primary);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  max-width: 420px;
  width: 90%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  font-family: var(--font-ui);
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  overflow: visible;
  opacity: 0;
  scale: 0.95;
  transition: opacity 250ms var(--ease),
              scale 250ms var(--ease),
              display 250ms var(--ease) allow-discrete;
}

dialog#project-info-modal[open] {
  opacity: 1;
  scale: 1;
}

@starting-style {
  dialog#project-info-modal[open] {
    opacity: 0;
    scale: 0.95;
  }
}

dialog#project-info-modal::backdrop {
  background-color: rgba(6, 10, 16, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 250ms var(--ease),
              backdrop-filter 250ms var(--ease),
              display 250ms var(--ease) allow-discrete;
}

dialog#project-info-modal[open]::backdrop {
  opacity: 1;
}

@starting-style {
  dialog#project-info-modal[open]::backdrop {
    opacity: 0;
  }
}

.modal-content {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.btn-close-modal {
  position: absolute;
  top: calc(-1 * var(--sp-4));
  right: calc(-1 * var(--sp-4));
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 150ms var(--ease),
              border-color 150ms var(--ease);
}

.btn-close-modal:hover {
  background-color: var(--border-strong);
  border-color: var(--text-primary);
}

.btn-close-modal:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.modal-header {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: var(--sp-2);
}

.modal-icon {
  color: var(--accent);
  font-size: 20px;
}

.modal-title {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.modal-body-text {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  padding-top: var(--sp-1);
}

.auto-close-timer {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}