/* Cascade Studio — Modern Dark Theme */

:root {
  /* Base palette — matches master's neutral dark theme */
  --cs-bg-primary: #222;
  --cs-bg-secondary: #111;
  --cs-bg-surface: #2e2e2e;
  --cs-bg-elevated: #404040;

  /* Text */
  --cs-text-primary: #f2f2f2;
  --cs-text-secondary: #aeb5b8;
  --cs-text-muted: #777;

  /* Accent */
  --cs-accent: #4CAF50;
  --cs-accent-hover: #66BB6A;
  --cs-accent-dim: #388E3C;

  /* Borders & separators */
  --cs-border: #333;
  --cs-border-active: #4CAF50;

  /* Scrollbar */
  --cs-scrollbar-track: var(--cs-bg-secondary);
  --cs-scrollbar-thumb: #777;

  /* Radius */
  --cs-radius: 4px;

  /* Transition */
  --cs-transition: 150ms ease;

  /* Fonts */
  --cs-font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --cs-font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
}

/* Visually hidden but accessible — stays in Playwright's accessibility snapshot.
   Uses offscreen positioning instead of clip (clip: rect(0,0,0,0) causes
   Playwright to strip the text from the accessibility tree entirely). */
.sr-only {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--cs-bg-primary);
  color: var(--cs-text-primary);
  font-family: var(--cs-font-ui);
  overflow: hidden;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--cs-scrollbar-track);
}
::-webkit-scrollbar-thumb {
  background: var(--cs-scrollbar-thumb);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #999;
}

/* ============================================================
   Top Navigation Bar
   ============================================================ */

.topnav {
  background: var(--cs-bg-secondary);
  display: flex;
  align-items: center;
  padding: 0;
  height: 36px;
  overflow-x: auto;
  overflow-y: hidden;
}

.topnav-brand {
  color: var(--cs-text-primary) !important;
  font-size: 14px;
  font-family: Consolas, monospace;
  padding: 4px 16px;
  text-decoration: none;
  white-space: nowrap;
}

.topnav-brand:hover {
  background: #aaa !important;
  color: black !important;
}

.topnav-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.topnav a, .topnav label {
  color: var(--cs-text-primary);
  text-decoration: none;
  font-size: 14px;
  font-family: Consolas, monospace;
  padding: 4px 16px;
  cursor: pointer;
  white-space: nowrap;
}

.topnav a:hover, .topnav label:hover {
  background: #aaa;
  color: black;
}

.topnav a:active, .topnav label:active {
  background: var(--cs-accent);
  color: white;
}

.topnav-separator {
  width: 1px;
  height: 16px;
  background: var(--cs-border);
  margin: 0 4px;
}

.topnav-select {
  background: var(--cs-bg-surface);
  color: var(--cs-text-secondary);
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius);
  padding: 3px 8px;
  font-size: 11px;
  font-family: var(--cs-font-ui);
  margin-left: 8px;
  cursor: pointer;
  transition: border-color var(--cs-transition);
}

.topnav-select:hover {
  border-color: var(--cs-accent);
}

.topnav-select:focus {
  outline: none;
  border-color: var(--cs-accent);
  box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.15);
}

.topnav-import {
  cursor: pointer;
}

/* ============================================================
   App Body (Dockview container)
   ============================================================ */

#appbody {
  width: 100%;
  overflow: hidden;
  background: var(--cs-bg-primary);
}

/* ============================================================
   Dockview Theme Overrides
   ============================================================ */

.dockview-theme-dark {
  --dv-background-color: var(--cs-bg-primary);
  --dv-paneview-header-border-color: var(--cs-border);
  --dv-tabs-and-actions-container-background-color: transparent;
  --dv-tabs-and-actions-container-height: 20px;
  --dv-tabs-and-actions-container-font-size: 11px;
  --dv-activegroup-visiblepanel-tab-background-color: #222;
  --dv-activegroup-hiddenpanel-tab-background-color: #1a1a1a;
  --dv-inactivegroup-visiblepanel-tab-background-color: #222;
  --dv-inactivegroup-hiddenpanel-tab-background-color: #1a1a1a;
  --dv-tab-divider-color: var(--cs-border);
  --dv-activegroup-visiblepanel-tab-color: #ddd;
  --dv-activegroup-hiddenpanel-tab-color: var(--cs-text-muted);
  --dv-inactivegroup-visiblepanel-tab-color: #ddd;
  --dv-inactivegroup-hiddenpanel-tab-color: var(--cs-text-muted);
  --dv-separator-border: var(--cs-border);
  --dv-group-view-background-color: var(--cs-bg-primary);
}

/* ============================================================
   Centered overlay
   ============================================================ */

.centered {
  position: fixed;
  top: 10%;
  left: 25%;
  z-index: 1000;
  width: 50%;
  height: 80%;
  background: var(--cs-bg-primary);
  color: var(--cs-text-primary);
  border: 1px solid var(--cs-border);
  border-radius: 8px;
  overflow: auto;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* ============================================================
   TweakPane (GUI Panel) Theme
   ============================================================ */

:root {
  --tp-font-family: Arial, sans-serif;
  --tp-base-background-color: var(--cs-bg-surface);
  --tp-button-background-color: hsl(0, 0%, 25%);
  --tp-button-background-color-active: hsl(0, 0%, 40%);
  --tp-button-background-color-focus: hsl(0, 0%, 35%);
  --tp-button-background-color-hover: hsl(0, 0%, 30%);
  --tp-button-foreground-color: #eee;
  --tp-label-foreground-color: #aeb5b8;
}

.gui-panel {
  position: absolute;
  right: 0;
  max-height: 100%;
  overflow-y: auto;
  z-index: 10;
}

.gui-panel::-webkit-scrollbar {
  width: 8px;
  background: var(--cs-bg-surface);
}

.gui-panel::-webkit-scrollbar-thumb {
  background: var(--cs-scrollbar-thumb);
  border-radius: 4px;
}

.tp-rotv {
  text-shadow: 1px 1px #000;
  border-radius: var(--cs-radius);
}

.tp-rotv button {
  text-shadow: inherit;
}

/* ============================================================
   Console Panel Styling
   ============================================================ */

/* Enhance console output readability */
#appbody .dv-content-container div[style*="monospace"] {
  padding: 2px 8px;
  font-family: var(--cs-font-mono);
}

/* ============================================================
   Modeling History Timeline
   ============================================================ */

.cs-timeline {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  pointer-events: auto;
  max-width: calc(100% - 32px);
}

.cs-timeline-track {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(34, 34, 34, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--cs-border);
  border-radius: 16px;
  padding: 4px 8px;
  cursor: pointer;
  user-select: none;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.cs-timeline-track::-webkit-scrollbar {
  display: none;
}

.cs-timeline-step {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--cs-text-muted);
  background: transparent;
  transition: color var(--cs-transition), background var(--cs-transition),
              transform var(--cs-transition);
  flex-shrink: 0;
}

.cs-timeline-step:hover {
  color: var(--cs-text-primary);
  background: var(--cs-bg-elevated);
  transform: scale(1.15);
}

.cs-timeline-step.cs-timeline-active {
  color: var(--cs-accent);
  background: var(--cs-bg-elevated);
  box-shadow: 0 0 6px rgba(76, 175, 80, 0.3);
}

.cs-timeline-step.cs-timeline-final {
  color: var(--cs-text-secondary);
}

/* Editor line highlight when scrubbing timeline */
.cs-history-line-highlight {
  background: rgba(76, 175, 80, 0.12);
  border-left: 2px solid var(--cs-accent);
}

.cs-history-glyph {
  background: var(--cs-accent);
  width: 4px !important;
  margin-left: 3px;
  border-radius: 2px;
}

/* ============================================================
   Mobile Responsive Overrides
   ============================================================ */

@media (orientation: portrait) {
  .dv-tabs-and-actions-container {
    display: none !important;
  }
  .gui-panel {
    max-width: 70%;
    font-size: 11px;
  }
  .cs-timeline-step {
    width: 20px;
    height: 20px;
    font-size: 10px;
  }
  /* Remove outer padding around Monaco editor */
  .monaco-editor,
  .monaco-editor .overflow-guard,
  .monaco-editor .margin {
    padding: 0 !important;
  }
}