/* Pure CSS Styling for VISION Perception Engine - No Frameworks or Dependencies */

:root {
  --bg-black: #000000;
  --bg-card: #09090b;
  --bg-elevated: #18181b;
  --border-color: #27272a;
  --border-highlight: #3f3f46;
  --accent-sky: #38bdf8;
  --accent-sky-bg: rgba(56, 189, 248, 0.15);
  --accent-sky-border: #0284c7;
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

body {
  background-color: var(--bg-black);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-black);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-highlight);
}

/* Utility Classes */
.hidden {
  display: none !important;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Header */
#app-header {
  background-color: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 12px 16px;
}

.header-container {
  max-width: 1536px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-box {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-logo-inner {
  width: 100%;
  height: 100%;
  background-color: var(--bg-black);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-sky);
}

.brand-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-title {
  font-size: 1.125rem;
  font-weight: 900;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.brand-title span {
  color: var(--accent-sky);
  font-weight: 700;
}

.version-badge {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 2px 8px;
  border-radius: 6px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--accent-sky);
}

.header-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

/* Selector & Buttons */
.dropdown-wrapper {
  display: flex;
  align-items: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 6px 12px;
  font-size: 0.75rem;
}

.dropdown-wrapper select {
  background: transparent;
  color: var(--text-primary);
  border: none;
  outline: none;
  cursor: pointer;
  font-weight: 500;
  padding-right: 8px;
}

.dropdown-wrapper select option {
  background-color: var(--bg-card);
  color: var(--text-primary);
}

.btn-icon {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 12px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background-color: var(--bg-elevated);
  border-color: var(--border-highlight);
}

.mode-toggle-group {
  display: flex;
  background-color: var(--bg-black);
  padding: 4px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  font-size: 0.75rem;
  gap: 4px;
}

.mode-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.mode-btn.active {
  background-color: #0284c7;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.3);
}

/* Main Layout */
main {
  flex: 1;
  max-width: 1536px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Environment Panel Drawer */
#environment-controls-panel {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 16px 20px;
}

.env-drawer-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.env-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.env-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.env-buttons {
  display: flex;
  gap: 6px;
  background-color: var(--bg-card);
  padding: 4px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.env-btn {
  padding: 4px 12px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.env-btn.active {
  background-color: #0284c7;
  color: #ffffff;
  font-weight: 600;
}

/* Top Section Grid */
.workspace-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 1024px) {
  .workspace-grid {
    grid-template-columns: 280px 1fr;
  }
}

/* Left Sidebar (Profile List) */
#profile-selector-section {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  max-height: 78vh;
}

.search-box {
  position: relative;
  margin-bottom: 12px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.75rem;
  color: var(--text-muted);
}

#search-input {
  width: 100%;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 8px 12px 8px 36px;
  font-size: 0.75rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s ease;
}

#search-input:focus {
  border-color: var(--accent-sky);
}

#profile-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-right: 4px;
}

.profile-card {
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background-color: rgba(24, 24, 27, 0.6);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.2s ease;
}

.profile-card:hover {
  background-color: var(--bg-elevated);
  border-color: var(--border-highlight);
  color: var(--text-primary);
}

.profile-card.selected {
  background-color: rgba(8, 47, 73, 0.4);
  border-color: #0ea5e9;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.15);
}

.profile-icon {
  font-size: 1.25rem;
  padding: 6px;
  background-color: var(--bg-black);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}

.profile-name {
  font-size: 0.75rem;
  font-weight: 700;
  flex: 1;
}

/* Right View Canvas */
#vision-canvas-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 80vh;
  border-radius: 16px;
  background-color: var(--bg-black);
  border: 1px solid var(--border-color);
  overflow: hidden;
  cursor: ew-resize;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

#perception-render-canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

#split-hint {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  padding: 4px 16px;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
  font-size: 11px;
  color: var(--text-secondary);
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

#reset-slider-btn {
  pointer-events: auto;
  cursor: pointer;
  background: transparent;
  border: none;
  color: var(--text-secondary);
}
#reset-slider-btn:hover {
  color: var(--accent-sky);
}

/* Biology Inspector Panel */
#biology-inspector-panel {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.inspector-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
}

.inspector-title-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.inspector-icon {
  font-size: 2.5rem;
  padding: 10px;
  background-color: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}

.acuity-pill {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 6px;
  background-color: rgba(8, 47, 73, 0.6);
  color: var(--accent-sky);
  border: 1px solid #075985;
}

.validation-card {
  background-color: rgba(24, 24, 27, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px;
  max-width: 420px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Inspector 3 Columns Grid */
.inspector-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 1024px) {
  .inspector-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.inspector-card {
  background-color: rgba(24, 24, 27, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.inspector-card-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-sky);
  display: flex;
  align-items: center;
  gap: 6px;
}

.receptor-box {
  background-color: var(--bg-black);
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  font-size: 0.75rem;
}

.progress-bar-container {
  width: 100%;
  background-color: var(--bg-black);
  border-radius: 9999px;
  height: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.progress-bar-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.5s ease;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-black);
  padding: 24px 16px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Mobile Responsive Overrides */
@media (max-width: 768px) {
  body {
    overflow-x: hidden;
  }

  main {
    padding: 12px 10px;
    gap: 16px;
    overflow-x: hidden;
  }

  #app-header {
    padding: 10px 12px;
  }

  .header-container {
    gap: 10px;
  }

  .header-controls {
    gap: 8px;
    max-width: 100%;
  }

  /* Canvas is the first thing under the header; species list comes after it */
  .workspace-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .workspace-grid > div:last-child {
    order: 1;
    width: 100%;
  }

  #profile-selector-section {
    order: 2;
    max-height: 35dvh;
    display: flex;
    flex-direction: column;
  }

  #profile-list {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Whole vertical image with no cropping, no horizontal scroll, available width, capped by dvh */
  #vision-canvas-container {
    width: 100%;
    max-width: 100%;
    height: auto;
    aspect-ratio: auto;
    max-height: 100dvh;
    touch-action: pan-y;
  }

  #perception-render-canvas {
    width: 100%;
    height: auto;
    max-width: 100%;
    max-height: 100dvh;
    object-fit: contain;
    display: block;
  }

  #split-hint {
    max-width: 90%;
    font-size: 10px;
    padding: 4px 10px;
    text-align: center;
  }

  #split-hint span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}