/* ==========================================================================
   Python4Physics - Editor, Runner, Plots & Math Display Styles
   Fully Responsive - Zero Horizontal Scroll on Any Device
   ========================================================================== */

/* Workbench Layout with Collapsible Sidebar */
.workbench-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 1.5rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  align-items: start;
  transition: grid-template-columns 0.25s ease;
}

.workbench-layout.sidebar-collapsed {
  grid-template-columns: minmax(0, 1fr) !important;
}

.workbench-layout.sidebar-collapsed aside {
  display: none !important;
}

.workbench-sidebar {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  max-height: calc(100vh - 120px);
  position: sticky;
  top: 85px;
  overflow-y: auto;
  overflow-x: hidden;
  box-sizing: border-box;
}

/* Workspace Dual-Pane Layout */
.workspace-container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 3rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.workspace-pane {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0 !important;
  max-width: 100% !important;
  box-sizing: border-box;
  overflow: hidden;
}

/* Editor Header & Action Bar */
.editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--card-bg-solid);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  border-bottom: none;
  width: 100%;
  box-sizing: border-box;
}

.editor-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text);
  white-space: nowrap;
}

.editor-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

/* CodeMirror Custom Dark/Light Integration */
.editor-wrapper {
  border: 1px solid var(--card-border);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--code-bg);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.CodeMirror {
  font-family: 'JetBrains Mono', monospace !important;
  font-size: 14px !important;
  height: 480px !important;
  line-height: 1.6 !important;
  background: transparent !important;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

.CodeMirror-lines {
  word-wrap: break-word !important;
}

.CodeMirror-wrap pre {
  word-break: break-all !important;
}

.CodeMirror-gutters {
  background: rgba(0, 0, 0, 0.2) !important;
  border-right: 1px solid var(--card-border) !important;
}

/* Tabbed Results Panel */
.tabs-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 0.5rem;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
  width: 100%;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.45rem 0.85rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
  color: var(--accent);
  background: rgba(6, 182, 212, 0.12);
  border-bottom: 2px solid var(--accent);
}

.tab-content {
  display: none;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.tab-content.active {
  display: block;
}

/* Output Console & Terminal */
.console-output {
  background: #05080e;
  color: #e2e8f0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.55;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
  min-height: 220px;
  max-height: 480px;
  overflow-y: auto;
  overflow-x: hidden;
  white-space: pre-wrap;
  word-break: break-word;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.console-output:empty::before {
  content: 'Output will appear here. Press "Run Code" or Ctrl+Enter...';
  color: var(--text-dim);
  font-style: italic;
}

.console-timing {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--success);
  margin-top: 0.4rem;
}

/* Matplotlib Plots & Image Gallery */
.plots-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.plot-card {
  background: #ffffff !important;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: var(--radius-lg);
  padding: 0.85rem;
  text-align: center;
  position: relative;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.plot-img, .plot-card svg {
  background-color: #ffffff !important;
  max-width: 100% !important;
  height: auto !important;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius-md);
}

.plot-toolbar {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

/* Mathematical Theory & Algorithm Card */
.theory-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  line-height: 1.7;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
}

.theory-card h3, .theory-card h4 {
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.theory-card p {
  margin-bottom: 0.85rem;
  color: var(--text);
  word-break: break-word;
}

.katex-display {
  padding: 0.5rem 0;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
}

/* Fullscreen Mode for Editor */
.fullscreen-mode {
  position: fixed !important;
  inset: 0 !important;
  z-index: 2500 !important;
  background: var(--bg) !important;
  padding: 1.5rem !important;
  display: flex !important;
  flex-direction: column !important;
}

.fullscreen-mode .CodeMirror {
  height: calc(100vh - 120px) !important;
}

/* ==========================================================================
   Responsive Rules: Guaranteed Zero Horizontal Scroll
   ========================================================================== */
@media (max-width: 1200px) {
  .workbench-layout {
    grid-template-columns: 220px minmax(0, 1fr);
  }
}

@media (max-width: 1024px) {
  .workbench-layout {
    grid-template-columns: minmax(0, 1fr) !important;
  }
  .workbench-sidebar {
    display: none; /* Handled by top dropdown select */
  }
  .sidebar-toggle-btn {
    display: none !important;
  }
  .workspace-container {
    grid-template-columns: minmax(0, 1fr) !important;
  }
}

@media (max-width: 640px) {
  .editor-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .tabs-header {
    overflow-x: auto;
    flex-wrap: nowrap;
  }
}