/**
 * Content Script Styles
 *
 * Matches GitHub's Primer design system for seamless integration.
 * Uses CSS custom properties for light/dark mode support.
 *
 * Supports two layout modes:
 * - Bottom panel: Fixed at bottom of viewport (like browser DevTools)
 * - Sidebar: Fixed on right side of viewport
 */

/* ==========================================================================
   Base Debugger Pane Styles
   ========================================================================== */

.dap-debugger-pane {
  background-color: var(--bgColor-default, #0d1117);
  border-color: var(--borderColor-default, #30363d) !important;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  font-size: 14px;
  z-index: 999;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   Bottom Panel Layout
   ========================================================================== */

/* Add padding to body when bottom panel is open so all content is accessible */
body.dap-bottom-panel-active {
  padding-bottom: 360px !important; /* Slightly more than panel height for breathing room */
}

.dap-debugger-bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 350px;
  border-top: 1px solid var(--borderColor-default, #30363d);
  display: flex;
  flex-direction: column;
}

.dap-debugger-bottom .dap-header {
  background-color: var(--bgColor-muted, #161b22);
  flex-shrink: 0;
  padding: 8px 12px;
}

.dap-debugger-bottom .dap-content {
  flex: 1;
  min-height: 0;
  display: flex;
}

.dap-debugger-bottom .dap-scopes {
  width: 33%;
  min-width: 200px;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--borderColor-default, #30363d);
}

.dap-debugger-bottom .dap-repl {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.dap-debugger-bottom .dap-controls {
  gap: 4px;
}

/* ==========================================================================
   Sidebar Layout
   ========================================================================== */

.dap-debugger-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 350px;
  border-left: 1px solid var(--borderColor-default, #30363d);
  display: flex;
  flex-direction: column;
  box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
}

.dap-debugger-sidebar .dap-header {
  background-color: var(--bgColor-muted, #161b22);
  flex-shrink: 0;
  padding: 8px 12px;
}

.dap-debugger-sidebar .dap-scopes {
  flex: 0 0 auto;
  max-height: 40%;
  min-height: 150px;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--borderColor-default, #30363d);
}

.dap-debugger-sidebar .dap-repl {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.dap-debugger-sidebar .dap-controls {
  background-color: var(--bgColor-muted, #161b22);
  flex-shrink: 0;
  gap: 8px;
  justify-content: center;
}

/* ==========================================================================
   Header Styles
   ========================================================================== */

.dap-header {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--borderColor-default, #30363d);
}

.dap-header .text-bold {
  font-weight: 600;
  color: var(--fgColor-default, #e6edf3);
}

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

.dap-step-info {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--fgColor-muted, #8b949e);
  font-size: 12px;
}

/* ==========================================================================
   Layout Toggle Buttons
   ========================================================================== */

.dap-layout-toggles {
  display: flex;
  gap: 2px;
  background-color: var(--bgColor-inset, #010409);
  border-radius: 6px;
  padding: 2px;
}

.dap-layout-btn {
  padding: 4px 6px !important;
  background-color: transparent !important;
  border: none !important;
  color: var(--fgColor-muted, #8b949e) !important;
  border-radius: 4px !important;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dap-layout-btn:hover {
  background-color: var(--bgColor-neutral-muted, #6e768166) !important;
  color: var(--fgColor-default, #e6edf3) !important;
}

.dap-layout-btn.active {
  background-color: var(--bgColor-accent-muted, #388bfd26) !important;
  color: var(--fgColor-accent, #58a6ff) !important;
}

.dap-layout-btn svg {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   Close Button
   ========================================================================== */

.dap-close-btn {
  padding: 4px 6px !important;
  background-color: transparent !important;
  border: none !important;
  color: var(--fgColor-muted, #8b949e) !important;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dap-close-btn:hover {
  background-color: var(--bgColor-danger-muted, #da363326) !important;
  color: var(--fgColor-danger, #f85149) !important;
}

.dap-close-btn svg {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   Control Buttons
   ========================================================================== */

.dap-controls {
  display: flex;
  align-items: center;
  padding: 8px;
}

.dap-control-btn {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 !important;
  margin-right: 4px;
}

.dap-control-btn:last-child {
  margin-right: 0;
}

.dap-control-btn svg {
  width: 16px;
  height: 16px;
  display: block;
  margin: auto !important;
}

.dap-control-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.dap-control-btn:not(:disabled):hover {
  background-color: var(--bgColor-accent-muted, #388bfd26);
}

/* ==========================================================================
   Scopes Panel
   ========================================================================== */

.dap-scopes {
  overflow: hidden;
}

.dap-scope-header {
  background-color: var(--bgColor-muted, #161b22);
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
  padding: 8px;
  border-bottom: 1px solid var(--borderColor-default, #30363d);
}

.dap-scope-tree {
  font-size: 12px;
  line-height: 1.6;
  padding: 8px;
  overflow-y: auto;
  flex: 1;
}

/* Tree Nodes */
.dap-tree-node {
  padding: 1px 0;
}

.dap-tree-content {
  display: flex;
  align-items: flex-start;
  padding: 2px 4px;
  border-radius: 3px;
}

.dap-tree-content:hover {
  background-color: var(--bgColor-muted, #161b22);
}

.dap-tree-children {
  margin-left: 16px;
  border-left: 1px solid var(--borderColor-muted, #21262d);
  padding-left: 8px;
}

.dap-expand-icon {
  display: inline-block;
  width: 16px;
  text-align: center;
  color: var(--fgColor-muted, #8b949e);
  font-size: 10px;
  flex-shrink: 0;
  user-select: none;
}

.dap-tree-node .text-bold {
  color: var(--fgColor-default, #e6edf3);
  font-weight: 600;
  word-break: break-word;
}

.dap-tree-node .color-fg-muted {
  color: var(--fgColor-muted, #8b949e);
  word-break: break-word;
}

/* ==========================================================================
   REPL Console
   ========================================================================== */

.dap-repl {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.dap-repl-header {
  background-color: var(--bgColor-muted, #161b22);
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
  padding: 8px;
  border-bottom: 1px solid var(--borderColor-default, #30363d);
}

.dap-repl-output {
  background-color: var(--bgColor-inset, #010409);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  line-height: 1.5;
  padding: 8px;
  flex: 1;
  overflow-y: auto;
  min-height: 60px;
}

.dap-output-input {
  color: var(--fgColor-muted, #8b949e);
}

.dap-output-result {
  color: var(--fgColor-default, #e6edf3);
}

.dap-output-stdout {
  color: var(--fgColor-default, #e6edf3);
}

.dap-output-error {
  color: var(--fgColor-danger, #f85149);
}

/* REPL Input */
.dap-repl-input {
  flex-shrink: 0;
  padding: 8px;
  border-top: 1px solid var(--borderColor-default, #30363d);
}

.dap-repl-input input {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  background-color: var(--bgColor-inset, #010409) !important;
  border-color: var(--borderColor-default, #30363d) !important;
  color: var(--fgColor-default, #e6edf3) !important;
  width: 100%;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--borderColor-default, #30363d);
}

.dap-repl-input input:focus {
  border-color: var(--focus-outlineColor, #1f6feb) !important;
  outline: none;
  box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.3);
}

.dap-repl-input input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.dap-repl-input input::placeholder {
  color: var(--fgColor-muted, #8b949e);
}

/* ==========================================================================
   Breakpoint Indicator
   ========================================================================== */

/* Current step indicator - shown on the step where debugger is paused
   Breakpoints are BEFORE steps, so we indicate the boundary above the step */
check-step.dap-current-step {
  position: relative;
}

/* Highlight the step row with a subtle background and red accent line at TOP */
check-step.dap-current-step > details,
check-step.dap-current-step > div {
  position: relative;
}

check-step.dap-current-step > details > summary,
check-step.dap-current-step > div:first-child {
  background: linear-gradient(90deg, rgba(248, 81, 73, 0.08) 0%, rgba(248, 81, 73, 0.02) 100%) !important;
  border-top: 2px solid #f85149 !important;
}

/* Red accent bar at top of step - horizontal line showing "breakpoint here" */
check-step.dap-current-step::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, #f85149 0%, #da3633 100%);
}

/* Triangle pointer at top of step - points to the boundary between steps */
check-step.dap-current-step::before {
  content: '';
  position: absolute;
  right: -8px;
  top: 0;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 10px solid #f85149;
  z-index: 100;
  filter: drop-shadow(2px 0 2px rgba(0, 0, 0, 0.2));
}

/* ==========================================================================
   Debug Button in Header
   ========================================================================== */

.dap-debug-btn-container {
  display: flex;
  align-items: center;
  margin-right: 8px;
}

.dap-debug-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
  padding: 5px 12px;
  height: 32px;
}

.dap-debug-btn-text {
  font-size: var(--text-body-size-medium, .875rem);
}

.dap-debug-btn .octicon {
  width: 16px;
  height: 16px;
}

.dap-debug-btn.selected {
  background-color: var(--bgColor-accent-muted, #388bfd26);
  border-color: var(--borderColor-accent-emphasis, #388bfd);
  color: var(--fgColor-accent, #58a6ff);
}

.dap-debug-btn:hover:not(:disabled) {
  background-color: var(--bgColor-neutral-muted, #6e768166);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.flex-items-center { align-items: center; }
.flex-auto { flex: 1 1 auto; }
.justify-content-center { justify-content: center; }

.p-2 { padding: 8px; }
.px-2 { padding-left: 8px; padding-right: 8px; }
.mx-2 { margin-left: 8px; margin-right: 8px; }
.mb-2 { margin-bottom: 8px; }
.ml-1 { margin-left: 4px; }
.ml-2 { margin-left: 8px; }
.ml-3 { margin-left: 16px; }
.mr-2 { margin-right: 8px; }
.mr-3 { margin-right: 16px; }
.ml-auto { margin-left: auto; }

.border { border: 1px solid var(--borderColor-default, #30363d); }
.border-bottom { border-bottom: 1px solid var(--borderColor-default, #30363d); }
.border-top { border-top: 1px solid var(--borderColor-default, #30363d); }
.border-right { border-right: 1px solid var(--borderColor-default, #30363d); }
.rounded-2 { border-radius: 6px; }

.overflow-auto { overflow: auto; }
.text-bold { font-weight: 600; }
.text-mono { font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace; }
.text-small { font-size: 12px; }

.color-fg-muted { color: var(--fgColor-muted, #8b949e); }
.color-fg-danger { color: var(--fgColor-danger, #f85149); }
.color-fg-default { color: var(--fgColor-default, #e6edf3); }

/* ==========================================================================
   Light Mode Overrides
   ========================================================================== */

@media (prefers-color-scheme: light) {
  .dap-debugger-pane {
    background-color: var(--bgColor-default, #ffffff);
    border-color: var(--borderColor-default, #d0d7de) !important;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  }

  .dap-debugger-sidebar {
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
  }

  .dap-header,
  .dap-scope-header,
  .dap-repl-header,
  .dap-controls {
    background-color: var(--bgColor-muted, #f6f8fa);
  }

  .dap-repl-output,
  .dap-repl-input input {
    background-color: var(--bgColor-inset, #f6f8fa) !important;
  }

  .dap-tree-node .text-bold {
    color: var(--fgColor-default, #1f2328);
  }

  .color-fg-muted {
    color: var(--fgColor-muted, #656d76);
  }

  check-step.dap-current-step > details > summary,
  check-step.dap-current-step > div:first-child {
    background: linear-gradient(90deg, rgba(248, 81, 73, 0.1) 0%, rgba(248, 81, 73, 0.02) 100%) !important;
    border-top: 2px solid #f85149 !important;
  }
}

/* Respect GitHub's color mode data attribute */
[data-color-mode="light"] .dap-debugger-pane,
html[data-color-mode="light"] .dap-debugger-pane {
  background-color: #ffffff;
  border-color: #d0d7de !important;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

[data-color-mode="light"] .dap-debugger-sidebar,
html[data-color-mode="light"] .dap-debugger-sidebar {
  box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
}

[data-color-mode="light"] .dap-header,
[data-color-mode="light"] .dap-scope-header,
[data-color-mode="light"] .dap-repl-header,
[data-color-mode="light"] .dap-controls,
html[data-color-mode="light"] .dap-header,
html[data-color-mode="light"] .dap-scope-header,
html[data-color-mode="light"] .dap-repl-header,
html[data-color-mode="light"] .dap-controls {
  background-color: #f6f8fa;
}

[data-color-mode="light"] .dap-repl-output,
[data-color-mode="light"] .dap-repl-input input,
html[data-color-mode="light"] .dap-repl-output,
html[data-color-mode="light"] .dap-repl-input input {
  background-color: #f6f8fa !important;
}

[data-color-mode="light"] .dap-layout-toggles,
html[data-color-mode="light"] .dap-layout-toggles {
  background-color: #eaeef2;
}

[data-color-mode="light"] check-step.dap-current-step > details > summary,
[data-color-mode="light"] check-step.dap-current-step > div:first-child,
html[data-color-mode="light"] check-step.dap-current-step > details > summary,
html[data-color-mode="light"] check-step.dap-current-step > div:first-child {
  background: linear-gradient(90deg, rgba(248, 81, 73, 0.1) 0%, rgba(248, 81, 73, 0.02) 100%) !important;
  border-top: 2px solid #f85149 !important;
}

/* Light mode for debug button */
[data-color-mode="light"] .dap-debug-btn.selected,
html[data-color-mode="light"] .dap-debug-btn.selected {
  background-color: #ddf4ff;
  border-color: #54aeff;
}