/* OopisOS v3.3: Vanilla Style Sheet */
/* Phase 1 & 2: Audit, Architecture, and Design Token System */

/* 1. Design Tokens (Root Variables)
/* ========================================================================== */
/* This section replaces the Tailwind theme. All colors, fonts, and spacing
   are defined here as CSS custom properties for global consistency and
   easy maintenance. */
:root {
  /* Colors */
  --color-text-primary: #00ff5b;      /* text-green-500 */
  --color-text-secondary: #a3a3a3;  /* text-neutral-400 */
  --color-text-subtle: #737373;     /* text-neutral-500 */
  --color-text-link: #2dd4bf;         /* custom */
  --color-text-link-hover: #0a3b36;   /* custom */

  --color-accent-sky: #38bdf8;        /* text-sky-400 */
  --color-accent-amber: #fbbF24;      /* text-amber-400 */
  --color-accent-lime: #a3e635;       /* text-lime-400 */

  --color-success: var(--color-accent-lime);
  --color-warning: var(--color-accent-amber);
  --color-error: #ef4444;           /* text-red-500 */
  --color-info: var(--color-accent-sky);

  --color-background-darkest: #0a0a0a;  /* Near black */
  --color-background-dark: #1a1a1a;
  --color-background-medium: #27272a; /* zinc-800 */
  --color-background-light: #3f3f46;  /* zinc-700 */
  --color-border-primary: #52525b;     /* zinc-600 */
  --color-border-secondary: #3f3f46;   /* zinc-700 */

  /* Typography */
  --font-family-mono: 'VT323', monospace;
  --font-family-sans: 'Inter', sans-serif; /* A sensible default for UI elements */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --line-height-base: 1.5;
  --line-height-terminal: 1.35;

  /* Spacing */
  --spacing-xs: 0.25rem; /* 4px */
  --spacing-sm: 0.5rem;  /* 8px */
  --spacing-md: 1rem;    /* 16px */
  --spacing-lg: 1.5rem;  /* 24px */
  --spacing-xl: 2rem;    /* 32px */

  /* Borders & Radius */
  --border-radius-sm: 0.25rem; /* 4px */
  --border-radius-md: 0.5rem;  /* 8px */
  --border-radius-lg: 1rem;    /* 16px */
  --border-width: 1px;
  --border-width-thick: 2px;

  /* Shadows */
  --shadow-inset-light: inset 0 0 10px rgba(0, 255, 0, 0.1);
  --shadow-inset-dark: inset 0 0 15px rgba(0, 0, 0, 0.5);
  --shadow-drop-medium: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* 2. Base & Reset Styles
/* ========================================================================== */
/* A simple reset to ensure cross-browser consistency. */

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

html {
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-mono);
  background-color: var(--color-background-dark);
  color: var(--color-text-primary);
  height: 100vh;
  width: 100vw;
  overflow: hidden; /* Prevents scrollbars on the body */
}

/* 3. Layout Architecture
/* ========================================================================== */
/* Defines the primary layout containers of the application. */

#app-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: var(--spacing-md);
}

#main-column {
  display: flex;
  flex-direction: column;
  width: 100%;
  aspect-ratio: 4 / 3;
  min-width: 480px;
  min-height: 360px;
  max-width: 75%;
  max-height: 100%;
}
#main-footer {
  flex-shrink: 0; /* Prevent footer from shrinking */
  text-align: center;
  font-family: var(--font-family-mono);
  font-size: clamp(0.75rem, 1.6vw, 1.125rem); /* Dynamically scales font */
  white-space: nowrap; /* Prevents wrapping */
  overflow: hidden; /* Prevents overflow from breaking layout */
  color: var(--color-text-primary);
  padding-top: var(--spacing-sm);
}

#main-footer a {
  color: var(--color-text-link);
  text-decoration: none;
}
#main-footer a:hover {
  text-decoration: underline;
  color: var(--color-text-link-hover);
}

#terminal-bezel {
  flex-grow: 1; /* Allow terminal to fill available space */
  display: flex;
  background-color: var(--color-background-medium);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-inset-dark), var(--shadow-drop-medium);
  min-height: 0; /* Critical for flexbox shrinking */
  width: 100%;
  padding: var(--spacing-lg); /* Padding was here, keeping it */
}

/* 4. Terminal Component (BEM-like)
/* ========================================================================== */
/* All styles related to the core terminal interface. */

.terminal {
  width: 100%;
  height: 100%;
  background-color: var(--color-background-darkest);
  border: var(--border-width-thick) solid var(--color-border-secondary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-inset-light);
  overflow: hidden;
  display: grid;
  grid-template-rows: 1fr auto;
  position: relative; /* For child absolute positioning */
}

.terminal__output {
  overflow-y: auto;
  overflow-x: hidden;
  word-break: break-word;
  padding-right: var(--spacing-sm);
  min-height: 0;
}

.terminal__output-line {
  white-space: pre-wrap;
  min-height: var(--line-height-terminal);
  line-height: var(--line-height-terminal);
  margin-bottom: var(--spacing-xs);
}

.terminal__input-line {
  display: flex;
  align-items: flex-start;
  line-height: var(--line-height-terminal);
  padding-top: var(--spacing-xs);
}

.terminal__prompt {
  flex-shrink: 0;
  white-space: nowrap;
  margin-right: var(--spacing-sm);
  color: var(--color-info);
}

.terminal__input {
  flex-grow: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text-primary);
  caret-color: var(--color-text-primary);
  word-break: break-word;
  white-space: pre-wrap;
}

/* 5. App Layer & Modals
/* ========================================================================== */
/* Styles for full-screen applications and modal dialogs. */

#app-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(10, 10, 10, 0.85); /* Dark overlay */
  backdrop-filter: blur(2px);
}

/* Base styles for all modal dialogs */
.modal-dialog {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--color-background-darkest);
  color: var(--color-text-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  z-index: 100;
  min-width: 320px;
  max-width: 450px;
  box-shadow: var(--shadow-drop-medium);
  border: var(--border-width) solid var(--color-text-primary);
  font-family: var(--font-family-mono);
  text-align: center;
}

.modal-dialog--wide {
  max-width: 800px;
  width: 90%;
  max-height: 80vh;
}

.modal-dialog--wide .paint-modal-body {
  max-height: calc(80vh - 150px);
  overflow-y: auto;
}

.modal-dialog p {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
  line-height: 1.5;
  color: var(--color-text-primary);
}

.modal-dialog__buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.modal-dialog__input {
  width: 100%;
  padding: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  background-color: var(--color-background-medium);
  border: var(--border-width) solid var(--color-border-primary);
  color: var(--color-text-secondary);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-lg);
}

.modal-dialog__input:focus {
  outline: none;
  box-shadow: 0 0 5px var(--color-text-primary);
  border-color: var(--color-text-primary);
}

/* 6. General Components & Utilities
/* ========================================================================== */

/* General button styling */
.btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: var(--border-width) solid var(--color-border-primary);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-family: var(--font-family-mono);
  font-size: var(--font-size-base);
  transition: background-color 0.15s ease-in-out, color 0.15s ease-in-out;
  background-color: #1f1f22;
  color: var(--color-text-secondary);
}

.btn:hover:not(:disabled) {
  background-color: var(--color-background-light);
  color: #fff;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn.active {
  background-color: var(--color-info);
  color: var(--color-background-darkest);
  border-color: var(--color-info);
}


/* Button modifiers */
.btn--confirm {
  border-color: var(--color-success);
  color: var(--color-success);
}
.btn--confirm:hover {
  background-color: var(--color-success);
  color: var(--color-background-darkest);
}

.btn--cancel {
  border-color: var(--color-error);
  color: var(--color-error);
}
.btn--cancel:hover {
  background-color: var(--color-error);
  color: var(--color-background-darkest);
}


/* Scrollbar styling for consistency */
.terminal__output,
.editor-pane,
#adventure-output {
  scrollbar-width: thin;
  scrollbar-color: var(--color-text-primary) var(--color-background-darkest);
}

.terminal__output::-webkit-scrollbar,
.editor-pane::-webkit-scrollbar,
#adventure-output::-webkit-scrollbar {
  width: 10px;
}

.terminal__output::-webkit-scrollbar-track,
.editor-pane::-webkit-scrollbar-track,
#adventure-output::-webkit-scrollbar-track {
  background: var(--color-background-darkest);
  border-radius: 8px;
}

.terminal__output::-webkit-scrollbar-thumb,
.editor-pane::-webkit-scrollbar-thumb,
#adventure-output::-webkit-scrollbar-thumb {
  background-color: var(--color-text-primary);
  border-radius: 10px;
  border: 2px solid var(--color-background-darkest);
}

/* Utility classes to replace the config.js object */
.hidden {
  display: none !important;
}

.text-error { color: var(--color-error); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-info { color: var(--color-info); }
.text-subtle { color: var(--color-text-secondary); }
.text-dir { color: var(--color-info); font-weight: 600; }
.text-file { color: var(--color-text-primary); }

/* 7. Editor Component
/* ========================================================================== */

.editor-container {
  display: flex;
  flex-direction: column;
  width: 95%;
  height: 95%;
  max-height: 95%;
  max-width: 1200px;
  background-color: #1a1a1d;
  border: var(--border-width-thick) solid var(--color-border-primary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-inset-dark), var(--shadow-drop-medium);
}

.editor__controls {
  padding-bottom: var(--spacing-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: var(--border-width) solid var(--color-border-secondary);
  margin-bottom: var(--spacing-sm);
  flex-shrink: 0;
  /* Add these two lines */
  flex-wrap: nowrap;
  overflow: hidden;
}

.editor__controls-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.editor__toolbar {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.editor__main-area {
  flex-grow: 1;
  display: flex;
  width: 100%;
  overflow: hidden;
  position: relative;
  min-height: 0;
}

.editor__gutter {
  flex-shrink: 0;
  width: 40px;
  padding: var(--spacing-xs) var(--spacing-sm) var(--spacing-xs) 0;
  text-align: right;
  color: var(--color-text-subtle);
  background-color: #171717;
  overflow-y: hidden;
  user-select: none;
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-terminal);
  white-space: pre;
}

.editor__gutter--hidden-by-wrap {
  display: none !important;
}

.editor__textarea-wrapper {
  flex: 1;
  position: relative;
  overflow: hidden;
  border-right: var(--border-width) solid var(--color-border-secondary);
  min-width: 0;
}

.editor__textarea {
  width: 100%;
  height: 100%;
  background-color: var(--color-background-darkest);
  color: var(--color-text-primary);
  border: none;
  resize: none;
  outline: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-terminal);
}

.editor__textarea--no-wrap {
  white-space: pre !important;
  overflow-x: auto !important;
}

.editor__preview-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow-y: auto;
  background-color: #212121;
  color: #ffffff;
  min-width: 0;
}

.editor__preview-content {
  padding: var(--spacing-md) var(--spacing-xl);
  flex-grow: 1;
}

.markdown-preview {
  font-family: var(--font-family-sans);
  line-height: var(--line-height-base);
  color: #e5e7eb; /* A light grey for body text */
}

.markdown-preview h1,
.markdown-preview h2,
.markdown-preview h3 {
  color: var(--color-info);
  border-bottom: var(--border-width) solid var(--color-border-primary);
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.25rem;
}

.markdown-preview p {
  margin-bottom: 1rem;
}

.markdown-preview a {
  color: var(--color-text-link);
  text-decoration: underline;
}

.markdown-preview a:hover {
  color: var(--color-text-link-hover);
}

.markdown-preview ul,
.markdown-preview ol {
  padding-left: 2rem;
  margin-bottom: 1rem;
}

.markdown-preview blockquote {
  border-left: 4px solid var(--color-info);
  padding-left: 1rem;
  margin-left: 0;
  font-style: italic;
  color: var(--color-text-subtle);
}

.markdown-preview code:not(pre > code) {
  background-color: var(--color-background-medium);
  color: #fde047; /* A gold/yellow for code */
  padding: 0.2rem 0.4rem;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family-mono);
  font-size: 0.9em;
}

.markdown-preview pre {
  background-color: var(--color-background-darkest);
  padding: 1rem;
  border-radius: var(--border-radius-sm);
  overflow-x: auto;
  border: var(--border-width) solid var(--color-border-secondary);
  font-family: var(--font-family-mono);
}

.markdown-preview pre > code {
  padding: 0;
  background-color: transparent;
  color: inherit;
  font-size: 1em;
}

.markdown-preview table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

.markdown-preview th,
.markdown-preview td {
  border: 1px solid var(--color-border-primary);
  padding: 0.5rem;
  text-align: left;
}

.markdown-preview th {
  background-color: var(--color-background-light);
}

.editor__status-bar {
  font-size: clamp(0.6rem, 1.2vw, 0.875rem); /* Dynamically scales font */
  white-space: nowrap; /* Prevents text wrapping */
  padding: var(--spacing-xs) var(--spacing-sm);
  color: var(--color-text-subtle);
  border-top: var(--border-width) solid var(--color-border-secondary);
  background-color: #1f1f22;
  flex-shrink: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.editor__status-bar-group {
  display: flex;
  gap: var(--spacing-md);
}

.editor__footer {
  padding-top: var(--spacing-sm);
  font-size: clamp(0.6rem, 1.2vw, 0.875rem); /* Dynamically scales font */
  white-space: nowrap; /* Prevents text wrapping */
  overflow: hidden; /* Clips content if it still overflows */
  text-align: center;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  border-top: var(--border-width) solid var(--color-border-secondary);
  margin-top: var(--spacing-sm);
}

/* Button component specific to the editor app */
.editor-btn {
  background-color: var(--color-background-light);
  color: var(--color-text-secondary);
  border: var(--border-width) solid var(--color-border-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family-sans);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
}
.editor-btn:hover:not(:disabled) {
  background-color: var(--color-border-primary);
  color: #fff;
}
.editor-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.editor-btn--format {
  background: transparent;
  border: none;
  color: var(--color-success);
  padding: var(--spacing-xs);
}
.editor-btn--format:hover:not(:disabled) {
  background-color: var(--color-background-light);
}
.editor-btn--format svg {
  width: 1.25em;
  height: 1.25em;
  fill: currentColor;
}
.editor__find-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--color-background-light);
  border-bottom: var(--border-width) solid var(--color-border-secondary);
  flex-shrink: 0;
}

.find-bar__input {
  background-color: var(--color-background-darkest);
  border: var(--border-width) solid var(--color-border-primary);
  color: var(--color-text-secondary);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-xs);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  flex-grow: 1;
  min-width: 100px;
}

.find-bar__input:focus {
  outline: none;
  border-color: var(--color-info);
}

.find-bar__matches {
  font-size: var(--font-size-sm);
  color: var(--color-text-subtle);
  padding: 0 var(--spacing-sm);
  white-space: nowrap;
}

.find-bar__button-group {
  display: flex;
  align-items: center;
}

.find-bar__btn {
  background-color: transparent;
  border: var(--border-width) solid var(--color-border-primary);
  color: var(--color-text-secondary);
  padding: var(--spacing-xs);
  cursor: pointer;
  min-width: 28px;
}
.find-bar__btn:hover {
  background-color: var(--color-border-primary);
}
.find-bar__btn:first-child {
  border-top-left-radius: var(--border-radius-sm);
  border-bottom-left-radius: var(--border-radius-sm);
}
.find-bar__btn:last-child {
  border-top-right-radius: var(--border-radius-sm);
  border-bottom-right-radius: var(--border-radius-sm);
  border-left: none;
}
.find-bar__btn.find-bar__btn--close {
  border-radius: var(--border-radius-sm);
  margin-left: var(--spacing-sm);
  border-left: var(--border-width) solid var(--color-border-primary);
}

/* Highlighter styles */
.editor__textarea-wrapper {
  position: relative; /* This is crucial for positioning children */
}

.editor__highlighter, .editor__textarea {
  /* Both must share the exact same font, size, padding, and border settings */
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-terminal);
  padding: var(--spacing-xs) var(--spacing-sm);
  border: none;
  white-space: pre;
  overflow: hidden; /* Scroll is handled by the parent wrapper */
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.editor__highlighter {
  color: transparent; /* Makes the underlying text invisible */
  pointer-events: none; /* Allows clicks to pass through to the textarea */
  z-index: 1;
}

.editor__textarea {
  background-color: transparent; /* THE CRITICAL CHANGE */
  color: var(--color-text-primary);
  z-index: 2; /* Sits on top of the highlighter */
  resize: none;
}

.highlight-match {
  background-color: rgba(251, 191, 36, 0.4); /* --color-accent-amber with alpha */
  border-radius: 2px;
}

.highlight-match--active {
  background-color: rgba(56, 189, 248, 0.6); /* --color-info with alpha */
  border-radius: 2px;
}

/* 8. Explorer Component
/* ========================================================================== */

.explorer-container {
  display: flex;
  flex-direction: column;
  background-color: var(--color-background-medium);
  border: var(--border-width-thick) solid var(--color-border-secondary);
  border-radius: var(--border-radius-md);
  color: var(--color-text-secondary);
  font-family: var(--font-family-mono);
  overflow: hidden;
  width: 95%;
  height: 95%;
  max-height: 95%;
  max-width: 1200px;
}

.explorer__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm);
  border-bottom: var(--border-width) solid var(--color-border-primary);
  flex-shrink: 0;
}

.explorer__title {
  font-size: var(--font-size-lg);
  color: var(--color-info);
}

.explorer__exit-btn {
  font-size: var(--font-size-lg);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: color 0.2s ease-in-out;
}

.explorer__exit-btn:hover {
  color: var(--color-error);
}

.explorer__main {
  display: flex;
  flex-grow: 1;
  min-height: 0;
}

.explorer__tree-pane,
.explorer__main-pane {
  padding: var(--spacing-sm);
  overflow-y: auto;
}

.explorer__tree-pane {
  width: 33.333333%;
  border-right: var(--border-width) solid var(--color-border-primary);
}

.explorer__main-pane {
  width: 66.666667%;
}

.explorer__status-bar {
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-top: var(--border-width) solid var(--color-border-primary);
  color: var(--color-text-secondary);
  flex-shrink: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Tree and List item specific styles */
.explorer-tree, .explorer-file-list {
  list-style: none;
}

.explorer-tree-item summary {
  cursor: pointer;
  user-select: none;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-sm);
}

.explorer-tree-item summary:hover {
  background-color: var(--color-background-light);
}

.explorer-tree-item[open] > summary {
  background-color: var(--color-accent-sky);
  color: var(--color-background-darkest);
}

.explorer-tree-item .selected {
  background-color: var(--color-info);
  color: var(--color-background-darkest);
  font-weight: 600;
}

.explorer-file-list li {
  display: flex;
  align-items: center;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
}

.explorer-file-list li:hover {
  background-color: var(--color-background-light);
}

.explorer-item-name { flex: 1; }
.explorer-item-perms { font-size: var(--font-size-sm); color: var(--color-text-subtle); margin-right: var(--spacing-md); }
.explorer-item-size { font-size: var(--font-size-sm); color: var(--color-text-subtle); width: 6rem; text-align: right; }

/* 9. Chidi Application Component
/* ========================================================================== */

#chidi-console-panel {
  width: 95%;
  height: 95%;
  max-height: 95%;
  max-width: 1200px;
  background-color: var(--color-background-medium);
  border: var(--border-width-thick) solid var(--color-border-secondary);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-inset-dark);
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md);
  font-family: var(--font-family-mono);
  color: var(--color-text-secondary);
  position: relative;
  overflow: hidden;
}

.chidi-console-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  gap: var(--spacing-md);
  flex-wrap: nowrap;
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  background-color: transparent;
  border-bottom: 1px solid var(--color-border-secondary);
}

#chidi-mainTitle {
  padding: 0;
  margin: 0;
  flex-shrink: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: left;
  color: var(--color-info);
  font-size: var(--font-size-xl);
}

#chidi-markdownDisplay, .chidi-ask-container {
  flex-grow: 1;
  background-color: var(--color-background-darkest);
  color: var(--color-text-secondary);
  padding: var(--spacing-lg) var(--spacing-xl);
  border: 1px solid var(--color-border-secondary);
  box-shadow: var(--shadow-inset-light);
  border-radius: var(--border-radius-sm);
  overflow-y: auto;
  line-height: 1.6;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent-green) var(--color-background-darkest);
}

.chidi-markdown-content > * + * {
  margin-top: var(--spacing-md);
}

#chidi-markdownDisplay::-webkit-scrollbar { width: 8px; }
#chidi-markdownDisplay::-webkit-scrollbar-track { background: var(--color-background-darkest); }
#chidi-markdownDisplay::-webkit-scrollbar-thumb { background-color: var(--color-accent-green); border-radius: 4px; border: 2px solid var(--color-background-darkest); }

.chidi-markdown-content h1, .chidi-markdown-content h2, .chidi-markdown-content h3 {
  margin-top: 1.5rem; margin-bottom: 1rem; border-bottom: 1px solid var(--color-border-primary); padding-bottom: 0.3rem; color: var(--color-info);
}
.chidi-markdown-content a { color: var(--color-text-link); text-decoration: none; }
.chidi-markdown-content a:hover { text-decoration: underline; }
.chidi-markdown-content code:not(pre > code) { background-color: var(--color-background-medium); color: #fde047; padding: 0.2rem 0.4rem; border-radius: 3px; font-size: 0.9em; }
.chidi-markdown-content pre { background-color: #000; padding: 1rem; border-radius: 4px; overflow-x: auto; border: 1px solid var(--color-border-secondary); }
.chidi-markdown-content blockquote { border-left: 4px solid var(--color-info); padding-left: 1rem; margin-left: 0; font-style: italic; color: var(--color-text-subtle); }
.chidi-markdown-content table { width: 100%; border-collapse: collapse; margin-bottom: 1rem; }
.chidi-markdown-content th, .chidi-markdown-content td { border: 1px solid var(--color-border-primary); padding: 0.5rem; text-align: left; }
.chidi-markdown-content th { background-color: var(--color-background-light); }

.chidi-ai-output { border-top: 2px dashed var(--color-info); margin-top: 2rem; padding-top: 1rem; }
.chidi-ask-textarea { width: 100%; height: 100%; background: transparent; border: none; color: var(--color-text-primary); font-size: 1.1rem; resize: none; outline: none; }
.chidi-controls-container { display: flex; justify-content: space-between; padding-top: 1rem; margin-bottom: 0.5rem; align-items: center; }
.chidi-control-group { display: flex; gap: 0.5rem; align-items: center;}
.chidi-btn { background-color: #333; color: var(--color-accent-green); border: 1px solid var(--color-border-primary); padding: 0.4rem 0.8rem; border-radius: 2px; font-size: 1rem; cursor: pointer; transition: all 0.2s ease; font-family: var(--font-family-mono); }
.chidi-btn:hover:not(:disabled) { background-color: var(--color-background-light); color: #fff; }
.chidi-btn:disabled { background-color: #222; color: #555; border-color: #444; cursor: not-allowed; }
.chidi-exit-btn { background-color: #3f1212; color: #fca5a5; border-color: var(--color-error); }
.chidi-exit-btn:hover:not(:disabled) { background-color: #5b2121; }

.chidi-select {
  max-width: 300px;
  min-width: 0;
  flex-shrink: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  appearance: none;
  -webkit-appearance: none;
  text-align: center;
}

.chidi-status-readout { display: flex; justify-content: space-between; align-items: center; gap: 1rem; border-top: 1px solid var(--color-border-primary); padding-top: 0.5rem; margin-top: 0.5rem; font-size: 1rem; color: #888; }
.chidi-status-message { flex-grow: 1; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chidi-status-item { flex-grow: 1; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chidi-loader { width: 10px; height: 16px; background-color: var(--color-accent-green); animation: chidi-blink-cursor 1.2s steps(2, start) infinite; }
.chidi-hidden { display: none !important; }
@keyframes chidi-blink-cursor { to { visibility: hidden; } }

/* 10. Adventure Game Component */
/* ========================================================================== */

#adventure-container {
  /* Adopts the core modal/app structure */
  display: flex;
  flex-direction: column;
  width: 90%;
  max-width: 800px;
  height: 80%;
  max-height: 80%;
  background-color: var(--color-background-medium);
  border: var(--border-width-thick) solid var(--color-border-secondary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-inset-dark), var(--shadow-drop-medium);
  font-family: var(--font-family-mono);
  color: var(--color-text-primary);
}

#adventure-header {
  /* The "Infocom" status line */
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  border-bottom: var(--border-width) solid var(--color-border-primary);
  flex-shrink: 0;
}

#adventure-title {
  font-weight: bold;
}

#adventure-close-btn {
  /* Uses existing button classes defined in the core styles */
}

#adventure-output {
  flex-grow: 1;
  overflow-y: auto;
  background-color: var(--color-background-darkest);
  box-shadow: var(--shadow-inset-light);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  line-height: var(--line-height-terminal);
}

#adventure-output p {
  margin-bottom: var(--spacing-sm); /* Consistent spacing for all output lines */
}

/* New semantic classes for game text */
.adv-room-name {
  color: var(--color-info);
  font-weight: bold;
}

.adv-room-desc {
  color: var(--color-text-primary);
}

.adv-system {
  color: var(--color-text-secondary);
}

.adv-error {
  color: var(--color-error);
}

.adv-exits, .adv-items {
  color: var(--color-text-subtle);
}

#adventure-input-container {
  display: flex;
  padding-top: var(--spacing-md);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
}

#adventure-input {
  flex-grow: 1;
  background: transparent;
  border: none;
  outline: none;
  color: inherit;
  font-family: inherit;
  font-size: inherit;
  padding-left: var(--spacing-sm);
  caret-color: var(--color-text-primary);
}

/* 11. Paint Application Component
/* ========================================================================== */

#paint-container {
  display: flex;
  flex-direction: column;
  background-color: var(--color-background-medium);
  border: var(--border-width-thick) solid var(--color-border-secondary);
  border-radius: var(--border-radius-md);
  color: var(--color-text-secondary);
  font-family: var(--font-family-mono);
  overflow: hidden;
  width: 95%;
  height: 95%;
  max-height: 95%;
  padding: var(--spacing-sm);
  gap: var(--spacing-sm);
}

#paint-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--spacing-sm);
  border-bottom: var(--border-width) solid var(--color-border-primary);
  flex-shrink: 0;
  flex-wrap: wrap; /* Allow wrapping on smaller screens */
  gap: var(--spacing-md);
}

.paint-toolbar-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex-wrap: nowrap; /* Prevent individual groups from wrapping */
}

#paint-canvas-wrapper {
  flex-grow: 1; /* This makes the canvas area fill available space */
aspect-ratio: 4 / 3;
  background-color: var(--color-background-darkest);
  box-shadow: var(--shadow-inset-light); /* Apply inset shadow for screen effect */
  overflow: auto; /* Allow scrolling for zoomed canvas */
  display: grid;
  place-items: center;
  position: relative;
}

#paint-canvas-wrapper.grid-active #paint-canvas {
  background-image:
          linear-gradient(var(--color-border-primary) 1px, transparent 1px),
          linear-gradient(90deg, var(--color-border-primary) 1px, transparent 1px);
}

#paint-canvas {
  display: grid;
  font-family: var(--font-family-mono);
  line-height: 1;
  background-color: #000;
  cursor: crosshair;
}

#paint-statusbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-xs);
  border-top: var(--border-width) solid var(--color-border-primary);
  font-size: var(--font-size-base);
  color: var(--color-text-subtle);
  flex-shrink: 0; /* Prevent status bar from shrinking */
}

.paint-tool-dropdown {
  position: relative;
  display: inline-block;
}

.paint-dropdown-content {
  display: none;
  position: absolute;
  background-color: var(--color-background-light);
  min-width: 40px;
  box-shadow: var(--shadow-drop-medium);
  z-index: 1;
  border: var(--border-width) solid var(--color-border-primary);
  border-radius: var(--border-radius-sm);
  top: 100%;
  margin-top: var(--spacing-xs);
}

.paint-dropdown-content.paint-dropdown-active {
  display: block;
}


/* Modal styles (now using global classes) for paint-specific modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.7);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
}

.paint-modal-title {
  font-size: var(--font-size-lg);
  color: var(--color-info);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.paint-modal-body {
  overflow-y: auto;
  padding: var(--spacing-sm);
}

#paint-char-select-grid, #paint-color-select-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
  gap: var(--spacing-xs);
}

.paint-char-btn {
  background-color: var(--color-background-light);
  color: var(--color-text-secondary);
  border: var(--border-width) solid var(--color-border-primary);
  aspect-ratio: 1 / 1;
  cursor: pointer;
  font-size: var(--font-size-xl);
}
.paint-char-btn:hover {
  background-color: var(--color-info);
  color: var(--color-background-darkest);
}

.paint-custom-hex-container {
  margin-top: var(--spacing-md);
  display: flex;
  gap: var(--spacing-sm);
}

.paint-hex-input {
  flex-grow: 1;
  background-color: var(--color-background-darkest);
  border: var(--border-width) solid var(--color-border-primary);
  color: var(--color-text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
}

#paint-toolbar .btn {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  min-width: 36px;
  padding: var(--spacing-xs);
}

#paint-toolbar .btn svg {
  width: 20px;
  height: 20px;
}

/* Allow text/display buttons to size to their content */
#paint-toolbar .btn.btn--confirm,
#paint-toolbar .btn.btn--cancel,
#paint-toolbar .btn.paint-zoom-display {
  width: auto;
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
}

.paint-brush-control {
  display: flex;
  align-items: center;
  border: var(--border-width) solid var(--color-border-primary);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.paint-size-display, .paint-zoom-display {
  padding: 0 var(--spacing-sm);
  background-color: var(--color-background-darkest);
  color: var(--color-text-secondary);
  height: 36px;
  display: flex;
  align-items: center;
}

.paint-palette {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  border: var(--border-width) solid var(--color-border-primary);
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-sm);
}

.paint-color-swatch {
  width: 28px;
  height: 28px;
  border: 2px solid transparent;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.15s;
}

.paint-color-swatch:hover {
  border-color: #fff;
}

.paint-color-swatch.active {
  border-color: var(--color-accent-lime);
  transform: scale(1.1);
  box-shadow: 0 0 8px var(--color-accent-lime);
}
/* Make the main Chidi panel a flex column */
#chidi-console-panel {
  display: flex;
  flex-direction: column;
}

/* Ensure the main content area grows to fill space */
#chidi-markdownDisplay, .chidi-ask-container {
  flex-grow: 1;
  min-height: 0;
}

/* Style the header as a non-wrapping flex row */
.chidi-console-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  gap: var(--spacing-md);
  flex-wrap: nowrap;
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  background-color: transparent;
  border-bottom: 1px solid var(--color-border-secondary);
}

#chidi-mainTitle {
  padding: 0;
  margin: 0;
  flex-shrink: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: left;
  color: var(--color-info);
  font-size: var(--font-size-xl);
}

/* NEW: A container for all controls on the right side of the header */
.chidi-header-controls {
  display: flex;
  align-items: center;
  flex-shrink: 0; /* Prevent this group from shrinking */
  gap: var(--spacing-md);
}

/* Style the footer */
.chidi-status-readout {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  flex-wrap: nowrap;
  gap: var(--spacing-md);
}

/* Ensure button text does not wrap */
.chidi-btn {
  white-space: nowrap;
}

.markdown-preview img,
.chidi-markdown-content img {
  /* This is the key rule: an image can be, at most, the full width of its container. */
  max-width: 100%;

  /* This maintains the image's aspect ratio as it scales. */
  height: auto;

  /* This can help prevent extra space below the image. */
  display: block;

  /* Add a little vertical space for aesthetics. */
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

/* 9. Chidi Application Component - Custom Selector Additions */
/* ========================================================================== */

.chidi-selector-container {
  position: relative; /* Anchor for the dropdown panel */
  min-width: 150px;
  flex-shrink: 1; /* Allow it to shrink but not grow aggressively */
}

.chidi-selector-trigger {
  /* Re-using chidi-btn and chidi-select for base styling */
  width: 100%;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis; /* Gracefully handle long filenames */
  padding-right: 2rem; /* Make space for a dropdown arrow */
  position: relative;
}

.chidi-selector-trigger::after {
  content: '▼';
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%) scale(0.8);
  color: var(--color-text-secondary);
  pointer-events: none; /* So it doesn't interfere with clicks */
}

.chidi-selector-panel {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--color-background-dark);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--border-radius-sm);
  margin-top: var(--spacing-xs);
  z-index: 1000;
  overflow-y: auto; /* This enables scrolling when max-height is exceeded */
  box-shadow: var(--shadow-drop-medium);
}

.chidi-selector-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-family: var(--font-family-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chidi-selector-item:hover,
.chidi-selector-item:focus {
  background-color: var(--color-info);
  color: var(--color-background-darkest);
  outline: none;
}

.chidi-selector-item.selected {
  font-weight: bold;
  color: var(--color-success);
}
/* 12. Log Application Component */
/* ========================================================================== */

.log-app__container {
  display: flex;
  flex-direction: column;
  width: 95%;
  height: 95%;
  max-width: 1024px;
  background-color: var(--color-background-dark);
  border: var(--border-width-thick) solid var(--color-border-primary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  gap: var(--spacing-md);
  font-family: var(--font-family-sans);
}

.log-app__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  padding-bottom: var(--spacing-sm);
  border-bottom: var(--border-width) solid var(--color-border-secondary);
}

.log-app__header h2 {
  color: var(--color-info);
  font-size: var(--font-size-xl);
}

.log-app__search {
  background-color: var(--color-background-medium);
  border: var(--border-width) solid var(--color-border-primary);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  width: 50%;
}

.log-app__actions {
  display: flex;
  gap: var(--spacing-sm);
}

.log-app__btn {
  background-color: var(--color-background-light);
  color: var(--color-text-secondary);
  border: var(--border-width) solid var(--color-border-primary);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: background-color 0.15s;
}

.log-app__btn:hover {
  background-color: var(--color-info);
  color: var(--color-background-darkest);
}

.log-app__btn--exit {
  background-color: var(--color-background-medium);
}
.log-app__btn--exit:hover {
  background-color: var(--color-error);
}

.log-app__main {
  display: flex;
  flex-grow: 1;
  min-height: 0;
  gap: var(--spacing-md);
}

.log-app__list-pane {
  width: 35%;
  flex-shrink: 0;
  background-color: var(--color-background-medium);
  border-radius: var(--border-radius-sm);
  overflow-y: auto;
  padding: var(--spacing-sm);
}

.log-app__list-item {
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border-secondary);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  color: var(--color-text-secondary);
}
.log-app__list-item:hover {
  background-color: var(--color-background-light);
}
.log-app__list-item.selected {
  background-color: var(--color-info);
  color: var(--color-background-darkest);
  font-weight: bold;
}
.log-app__list-item strong {
  color: var(--color-text-primary);
}
.log-app__list-item.selected strong {
  color: var(--color-background-darkest);
}
.log-app__list-item span {
  font-size: var(--font-size-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.log-app__content-pane {
  flex-grow: 1;
  background-color: var(--color-background-darkest);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-md);
  overflow-y: auto;
  color: var(--color-text-primary);
  line-height: var(--line-height-base);
}
/* 13. BASIC Application Component */
/* ========================================================================== */

.basic-app__container {
  display: flex;
  flex-direction: column;
  width: 95%;
  height: 95%;
  max-width: 1200px;
  background-color: #0088FF; /* C64-inspired blue background */
  border: var(--border-width-thick) solid #AAFFEE;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm);
  font-family: var(--font-family-mono);
  color: #AAFFEE; /* C64-inspired light blue text */
  box-shadow: var(--shadow-inset-light), var(--shadow-drop-medium);
}

.basic-app__header {
  flex-shrink: 0;
  padding: var(--spacing-xs) var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  color: #AAFFEE; /* Match new text color */
  font-size: var(--font-size-lg);
  border-bottom: var(--border-width-thick) double #AAFFEE; /* Match new text color */
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.basic-app__title {
  font-size: var(--font-size-xl);
  color: #FFFFFF; /* Brighter white for title contrast */
}

.basic-app__exit-btn {
  font-size: var(--font-size-lg);
  background: none;
  border: none;
  cursor: pointer;
  color: #AAFFEE; /* Match new text color */
  transition: color 0.2s ease-in-out;
}

.basic-app__exit-btn:hover {
  color: var(--color-error);
}

.basic-app__output {
  flex-grow: 1;
  overflow-y: auto;
  padding: var(--spacing-sm);
  white-space: pre-wrap;
  word-break: break-all;
  line-height: var(--line-height-terminal);
}

.basic-app__input-line {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  padding: var(--spacing-sm);
  border-top: var(--border-width) solid #AAFFEE; /* Match new text color */
}

.basic-app__input-line > span {
  margin-right: var(--spacing-sm);
  color: #AAFFEE; /* Match new text color for prompt consistency */
}

.basic-app__input {
  flex-grow: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #AAFFEE; /* Match new text color */
  font-family: inherit;
  font-size: inherit;
  caret-color: #AAFFEE; /* Match new text color */
}