:root {
  --bg-primary: #0e0f13;
  --bg-secondary: #141419;
  --bg-tertiary: #1b1c23;
  --bg-hover: #262833;
  --border-color: #2b2d3a;
  --border-light: #3d4052;
  --text-primary: #e6e8f0;
  --text-secondary: #9094a6;
  --text-muted: #5e6278;
  --accent-cyan: #00ffcc;
  --accent-blue: #00d2ff;
  --accent-pink: #ff007f;
  --accent-red: #ff3355;
  --accent-green: #00e676;
  --accent-green-dark: #008744;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  --font-mono: "Fira Code", "Cascadia Code", "JetBrains Mono", Consolas, "Courier New", monospace;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Header & Toolbar */
#toolbar {
  height: 48px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  gap: 12px;
  user-select: none;
  z-index: 10;
}

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

.app-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.5px;
}

.app-title .badge {
  font-size: 10px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #000;
  text-transform: uppercase;
}

.separator {
  width: 1px;
  height: 22px;
  background-color: var(--border-color);
  margin: 0 4px;
}

button {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background-color 0.15s, border-color 0.15s, transform 0.05s;
}

button:hover {
  background-color: var(--bg-hover);
  border-color: var(--border-light);
}

button:active {
  transform: translateY(1px);
}

button.btn-success {
  background-color: var(--accent-green-dark);
  border-color: var(--accent-green);
  color: #ffffff;
}

button.btn-success:hover {
  background-color: #00a854;
}

button.btn-accent {
  background-color: rgba(0, 210, 255, 0.15);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

button.btn-accent:hover {
  background-color: rgba(0, 210, 255, 0.3);
}

select {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 5px 8px;
  font-size: 12px;
  outline: none;
  cursor: pointer;
}

select:focus {
  border-color: var(--accent-blue);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.time-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-cyan);
  min-width: 65px;
}

/* Main Split Workspace */
#workspace {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
}

/* Editor Panel */
#editor-pane {
  width: 480px;
  min-width: 300px;
  max-width: 800px;
  height: 100%;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.pane-header {
  height: 32px;
  background-color: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-secondary);
  user-select: none;
}

.editor-container {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
}

#line-numbers {
  width: 44px;
  height: 100%;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 20px;
  color: var(--text-muted);
  text-align: right;
  padding: 10px 8px 10px 0;
  user-select: none;
  overflow: hidden;
}

#code-editor {
  flex: 1;
  height: 100%;
  background-color: transparent;
  color: var(--text-primary);
  border: none;
  outline: none;
  resize: none;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 20px;
  padding: 10px 12px;
  tab-size: 2;
  white-space: pre;
  overflow: auto;
  word-wrap: normal;
}

#code-editor::selection {
  background-color: rgba(0, 210, 255, 0.25);
}

/* Split Resizer */
#resizer {
  width: 6px;
  height: 100%;
  cursor: col-resize;
  background-color: transparent;
  transition: background-color 0.2s;
  z-index: 5;
}

#resizer:hover, #resizer.resizing {
  background-color: var(--accent-blue);
}

/* Viewport Panel */
#viewport-pane {
  flex: 1;
  height: 100%;
  position: relative;
  background-color: #111216;
  background-image: radial-gradient(circle at 1px 1px, #1a1c24 1px, transparent 0);
  background-size: 24px 24px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

pvg-view#main-pvg-view {
  width: 100%;
  height: 100%;
}

.viewport-overlay-controls {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background-color: rgba(20, 20, 25, 0.85);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
  padding: 6px;
  border-radius: 6px;
  z-index: 5;
}

.viewport-overlay-controls button {
  width: 28px;
  height: 28px;
  padding: 0;
  justify-content: center;
}

/* Status Bar */
#statusbar {
  height: 26px;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  font-size: 11px;
  font-family: var(--font-mono);
  user-select: none;
  z-index: 10;
}

.status-left, .status-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-pill.success {
  color: var(--accent-green);
}

.status-pill.error {
  color: var(--accent-red);
}

.status-pill.info {
  color: var(--text-secondary);
}

/* Dropdowns */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  z-index: 100;
  min-width: 140px;
}

.dropdown.open .dropdown-menu {
  display: block;
}

.dropdown-item {
  width: 100%;
  background: none;
  border: none;
  border-radius: 4px;
  padding: 6px 10px;
  text-align: left;
  font-size: 12px;
  color: var(--text-primary);
}

.dropdown-item:hover {
  background-color: var(--bg-hover);
}

/* Modal Styling */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal-backdrop.active {
  display: flex;
}

.modal-dialog {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  width: 680px;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
}

.modal-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-cyan);
}

.modal-body {
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.code-preview-block {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  white-space: pre;
  overflow-x: auto;
}

.modal-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}