:root {
  --bg: #0a0a0a;
  --panel: #121212;
  --panel-2: #181818;
  --line: #2e2e2e;
  --line-strong: #454545;
  --text: #ededea;
  --muted: #84837c;
  --accent: #3e84a5;
  --accent-dim: #3c6a80;
  --accent-text: #0a0a0a;
  --good: #7fa876;
  --bad: #c2604d;
  --warn: #c98a3d;
  --radius: 3px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 4px;
}

body.is-dragging {
  user-select: none !important;
  -webkit-user-select: none !important;
}

header {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.brand b {
  color: var(--text);
  font-weight: 600;
  letter-spacing: .06em;
}

.brand .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
}

.main-container {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.sidebar {
  width: 290px;
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
  flex-shrink: 0;
  position: relative;
}

.sidebar-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
  position: relative;
}

.sidebar-group label.group-title {
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
}

.sidebar-group .sub {
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  line-height: 1.35;
  margin-top: -2px;
}

.sidebar-group input[type="number"] {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 10px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  outline: none;
  transition: border-color .12s ease;
}

.sidebar-group input[type="number"]:focus {
  border-color: var(--accent);
}

.custom-select-container {
  position: relative;
  width: 100%;
}

.custom-select-trigger {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 12px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color .12s ease, background .12s ease;
}

.custom-select-trigger:hover,
.custom-select-container.open .custom-select-trigger {
  border-color: var(--accent);
  background: #1e1e1e;
}

.custom-select-trigger::after {
  content: '▼';
  font-size: 9px;
  color: var(--muted);
  transition: transform .15s ease;
}

.custom-select-container.open .custom-select-trigger::after {
  transform: rotate(180deg);
  color: var(--accent);
}

.custom-options-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--panel-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  z-index: 100;
  display: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.custom-select-container.open .custom-options-menu {
  display: block;
}

.custom-option {
  padding: 8px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background .1s ease, color .1s ease;
}

.custom-option:hover {
  background: var(--line);
  color: var(--accent);
}

.custom-option.selected {
  color: var(--accent);
  font-weight: 600;
}

.custom-option.selected::after {
  content: '✓';
  font-size: 11px;
}

#global-preview-card {
  position: fixed;
  width: 290px;
  background: #181818;
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius);
  padding: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.85);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity .12s ease;
  z-index: 99999;
}

#global-preview-card .preview-code-block {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
}

#global-preview-card.visible {
  opacity: 1;
  visibility: visible;
}

.preview-tooltip-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--accent);
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
}

.preview-code-block {
  background: #0d0d0d;
  border: 1px solid #282828;
  border-radius: 2px;
  padding: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  line-height: 1.45;
  color: #d4d4d4;
  white-space: pre;
  overflow-x: auto;
}

.checkrow {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 10px;
  align-items: start;
  user-select: none;
}

.checkrow input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--panel-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  margin-top: 2px;
  cursor: pointer;
  position: relative;
  transition: border-color .12s ease, background .12s ease;
}

.checkrow input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.checkrow input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 3px;
  height: 7px;
  border: solid var(--accent-text);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkrow-label-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
  cursor: pointer;
}

.checkrow-title {
  font-size: 12px;
  text-transform: none;
  letter-spacing: normal;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  line-height: 1.3;
}

.checkrow-label-wrap .sub {
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  line-height: 1.3;
  margin-top: 0;
}

.editor-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.toolbar {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: 10px 16px;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}

button.primary {
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  border-radius: var(--radius);
  padding: 8px 18px;
  font-family: 'JetBrains Mono';
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .01em;
  cursor: pointer;
  transition: background .12s ease;
}

button.primary:hover {
  background: var(--accent-dim);
}

button.primary:active {
  background: var(--accent-dim);
}

button.secondary {
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--text);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  cursor: pointer;
  transition: border-color .12s ease, background .12s ease, color .12s ease;
}

button.secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--panel-2);
}

.workspace {
  display: flex;
  flex: 1;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--panel-2);
  overflow: hidden;
  min-width: 0;
  min-height: 0;
}

.pane-left {
  border-right: 1px solid var(--line);
}

.pane-header {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: 8px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  flex-shrink: 0;
}

.CodeMirror {
  flex: 1;
  height: 100% !important;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  line-height: 1.6;
  width: 100%;
}

.CodeMirror-gutters {
  border-right: 1px solid var(--cm-gutter-border) !important;
  white-space: nowrap;
}

.CodeMirror-gutter-wrapper {
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}

.CodeMirror-linenumber {
  padding-right: 12px !important;
  padding-left: 8px !important;
  font-family: inherit !important;
  font-size: 12px !important;
  line-height: 1.5 !important;
}

.CodeMirror-line {
  line-height: 1.5 !important;
}

.cm-s-dracula.CodeMirror {
  background: #1E1E1E !important;
  color: #D4D4D4 !important;
  box-shadow: none !important;
}

.cm-s-dracula .CodeMirror-gutters {
  background: #1E1E1E !important;
  border-right: 1px solid #404040 !important;
}

.cm-s-dracula .CodeMirror-linenumber {
  color: #858585 !important;
}

.cm-s-dracula .CodeMirror-cursor {
  border-left: 2px solid #AEAFAD !important;
}

.cm-s-dracula div.CodeMirror-selected {
  background: #264F78 !important;
}

.cm-s-dracula .CodeMirror-activeline-background {
  background: rgba(255, 255, 255, 0.05) !important;
}

.cm-s-dracula .cm-tag {
  color: #569CD6 !important;
}

.cm-s-dracula .cm-bracket {
  color: #808080 !important;
}

.cm-s-dracula .cm-attribute {
  color: #9CDCFE !important;
}

.cm-s-dracula .cm-string {
  color: #CE9178 !important;
}

.cm-s-dracula .cm-keyword {
  color: #569CD6 !important;
}

.cm-s-dracula .cm-property {
  color: #9CDCFE !important;
}

.cm-s-dracula .cm-atom {
  color: #B5CEA8 !important;
}

.cm-s-dracula .cm-comment {
  color: #6A9955 !important;
}

.cm-s-dracula .cm-variable {
  color: #9CDCFE !important;
}

.cm-s-dracula .cm-variable-2 {
  color: #DCDCAA !important;
}

.cm-s-dracula .cm-meta {
  color: #569CD6 !important;
}

.cm-s-dracula .cm-def {
  color: #DCDCAA !important;
}

.cm-s-dracula .cm-qualifier {
  color: #D7BA7D !important;
}

.cm-s-dracula .cm-builtin {
  color: #D7BA7D !important;
}

.toast-message {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--panel-2);
  border: 1px solid var(--accent-dim);
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 12px;
  opacity: 0;
  transition: opacity .15s ease;
  pointer-events: none;
  z-index: 99;
}

.toast-message.active {
  opacity: 1;
}

.hidden {
  display: none !important;
}

button#format-button.is-dirty {
  position: relative;
  background-color: var(--accent-dim);
  color: #282a36;
}

button#format-button.is-dirty::after {
  content: "\EBA6";
  font-family: "Phosphor-Bold";
  font-size: 14px;
  line-height: 1;
  margin-left: 8px;
  vertical-align: middle;
}

.sidebar-info-box {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-info-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--accent);
}

.sidebar-info-box p {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.site-footer {
  padding-top: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.4;
}

.site-footer a {
  color: var(--text);
  text-decoration: none;
  transition: color .12s ease;
}

.site-footer a:hover {
  color: var(--accent);
  text-decoration: underline;
}