@import url("https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap");

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

:root {
  --bg: #0e0e11;
  --panel: rgba(18, 18, 22, 0.82);
  --panel-solid: #121216;
  --text: #e8e8ec;
  --text-secondary: #a0a0a8;
  --text-muted: #606068;
  --accent: #d4853b;
  --accent-light: rgba(212, 133, 59, 0.15);
  --danger: #c4424b;
  --card-border: rgba(255, 255, 255, 0.06);
  --section-bg: rgba(255, 255, 255, 0.03);
}

html {
  height: 100%;
}

body {
  font-family:
    "DM Sans",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

/* ── Top bar ── */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--panel-solid);
  border-bottom: 1px solid var(--card-border);
  flex-shrink: 0;
}

.top-bar .title {
  font-size: 18px;
  font-weight: 600;
}

.top-bar .title .brand {
  color: var(--accent);
  margin-right: 8px;
}

.top-bar .title .sub {
  color: var(--text-secondary);
  font-weight: 400;
}

.top-bar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Buttons ── */
.btn {
  background: var(--section-bg);
  color: var(--text);
  border: 1px solid var(--card-border);
  padding: 6px 14px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition:
    background 0.15s,
    border-color 0.15s;
}

.btn:hover {
  background: var(--accent-light);
  border-color: var(--accent);
}

.btn-icon {
  padding: 6px 8px;
  font-size: 16px;
}

/* ── Toggle ── */
.toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.toggle input {
  display: none;
}

.toggle .toggle-track {
  width: 32px;
  height: 18px;
  background: var(--section-bg);
  border: 1px solid var(--card-border);
  position: relative;
  transition: background 0.15s;
}

.toggle input:checked + .toggle-track {
  background: var(--accent);
  border-color: var(--accent);
}

.toggle .toggle-track::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--text);
  top: 2px;
  left: 2px;
  transition: transform 0.15s;
}

.toggle input:checked + .toggle-track::after {
  transform: translateX(14px);
}

/* ── Info bar ── */
.info-bar {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px 22%;
  background: var(--accent-light);
  border-bottom: 1px solid var(--card-border);
  flex-shrink: 0;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-height: 200px;
  overflow: hidden;
  transition:
    max-height 0.3s ease,
    padding 0.3s ease,
    opacity 0.3s ease;
  opacity: 1;
}

.info-bar.hidden {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
  border-bottom: none;
}

.info-content {
  flex: 1;
}

.info-content p {
  margin-bottom: 4px;
}

.info-content p:last-child {
  margin-bottom: 0;
}

.info-content a {
  color: var(--accent);
  text-decoration: none;
}

.info-content a:hover {
  text-decoration: underline;
}

.info-dismiss {
  background: none;
  border: none;
  color: var(--text);
  font-size: 28px;
  cursor: pointer;
  padding: 0 4px;
  flex-shrink: 0;
  line-height: 1;
}

.info-dismiss:hover {
  color: var(--accent);
}

/* ── Main layout ── */
.main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.editor-pane {
  width: 45%;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--card-border);
  overflow: hidden;
}

/* ── File bar ── */
.file-bar {
  display: flex;
  align-items: center;
  background: var(--panel-solid);
  border-bottom: 1px solid var(--card-border);
  flex-shrink: 0;
  overflow: hidden;
  height: 34px;
}

.file-tabs {
  display: flex;
  min-width: 0;
  overflow-x: auto;
}

.file-tab {
  padding: 6px 14px;
  font-size: 12px;
  font-family: inherit;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  border-right: 1px solid var(--card-border);
  cursor: pointer;
  white-space: nowrap;
  transition:
    color 0.15s,
    border-color 0.15s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.file-tab:hover {
  color: var(--text-secondary);
}

.file-tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
  background: var(--section-bg);
}

.file-tab .file-close {
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 0 2px;
}

.file-tab .file-close:hover {
  color: var(--danger);
}

.file-add {
  flex-shrink: 0;
  border: none !important;
  font-size: 18px !important;
  padding: 4px 10px !important;
  background: none !important;
  color: var(--text-muted) !important;
}

.file-add:hover {
  color: var(--accent) !important;
  background: none !important;
}

.file-vim {
  flex-shrink: 0;
  margin-left: auto;
  padding: 0 12px;
  font-size: 12px;
}

.vim-tooltip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 13px;
  height: 13px;
  font-size: 9px;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid var(--text-muted);
  border-radius: 50%;
  cursor: help;
  margin-left: 2px;
  vertical-align: middle;
}

.vim-tooltip {
  position: fixed;
  width: 220px;
  padding: 8px 10px;
  background: var(--panel-solid);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.5;
  z-index: 200;
  pointer-events: none;
}

#editorPane {
  flex: 1;
  overflow: hidden;
}

/* ── Context menu ── */
.context-menu {
  position: fixed;
  background: var(--panel-solid);
  border: 1px solid var(--card-border);
  z-index: 300;
  min-width: 120px;
  padding: 4px 0;
}

.context-menu button {
  display: block;
  width: 100%;
  padding: 6px 16px;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
}

.context-menu button:hover {
  background: var(--accent-light);
}

.context-menu button.danger {
  color: var(--danger);
}

.context-menu button.danger:hover {
  background: rgba(196, 66, 75, 0.15);
}

/* ── Vim command bar ── */
.cm-vim-panel {
  background: var(--panel-solid) !important;
  border-top: 1px solid var(--card-border) !important;
  color: var(--text) !important;
  font-family:
    "Fira Code", "Cascadia Code", "JetBrains Mono", monospace !important;
  font-size: 13px !important;
  padding: 4px 8px !important;
}

.cm-vim-panel input {
  background: var(--bg) !important;
  color: var(--text) !important;
  border: 1px solid var(--card-border) !important;
  font-family: inherit !important;
  font-size: inherit !important;
  padding: 2px 6px !important;
  outline: none !important;
}

.cm-vim-panel input:focus {
  border-color: var(--accent) !important;
}

.cm-vim-message {
  color: var(--text-secondary) !important;
}

#editorPane .cm-editor {
  height: 100%;
  font-size: 14px;
}

#editorPane .cm-scroller {
  overflow: auto !important;
}

.cm-editor.has-selection .cm-activeLine {
  background: none !important;
}

.cm-editor.has-selection .cm-activeLineGutter {
  background: none !important;
}

.output-pane {
  width: 55%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ── Tabs ── */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--card-border);
  background: var(--panel-solid);
  flex-shrink: 0;
  height: 34px;
}

.tab {
  padding: 6px 14px;
  font-size: 12px;
  font-family: inherit;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition:
    color 0.15s,
    border-color 0.15s;
}

.tab:hover {
  color: var(--text-secondary);
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── Tab content ── */
.tab-content {
  flex: 1;
  overflow: hidden;
  display: none;
}

.tab-content.active {
  display: flex;
  flex-direction: column;
}

/* ── Preview ── */
.preview-container {
  flex: 1;
  padding: 8px 16px;
  overflow: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.preview-container svg {
  max-width: 100%;
  max-height: 100%;
}

/* ── XML output ── */
.xml-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.xml-actions {
  display: flex;
  gap: 8px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--card-border);
  background: var(--panel-solid);
}

.xml-output {
  flex: 1;
  overflow: auto;
  padding: 16px;
  margin: 0;
  background: var(--bg);
  color: var(--text-secondary);
  font-family: "Fira Code", "Cascadia Code", "JetBrains Mono", monospace;
  font-size: 12px;
  line-height: 1.5;
  white-space: pre;
  tab-size: 4;
}

/* ── Error bar ── */
.error-bar {
  background: rgba(196, 66, 75, 0.15);
  border-top: 1px solid var(--danger);
  color: var(--danger);
  padding: 8px 20px;
  font-size: 13px;
  font-family: monospace;
  display: none;
  flex-shrink: 0;
}

.error-bar.visible {
  display: block;
}

/* ── Help modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-overlay.visible {
  display: flex;
}

.modal {
  background: var(--panel-solid);
  border: 1px solid var(--card-border);
  max-width: 800px;
  max-height: 80vh;
  width: 90%;
  overflow-y: auto;
  padding: 32px;
}

.modal.compact {
  padding: 20px 24px;
}

.modal h1,
.modal h2,
.modal h3 {
  color: var(--accent);
  margin-top: 24px;
  margin-bottom: 8px;
}

.modal h1:first-child {
  margin-top: 0;
}

.modal p,
.modal li {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
}

.modal code {
  background: var(--section-bg);
  padding: 2px 6px;
  font-size: 13px;
}

.modal pre {
  background: var(--bg);
  padding: 16px;
  overflow-x: auto;
  margin: 12px 0;
  font-size: 13px;
  line-height: 1.5;
}

.modal pre code {
  background: none;
  padding: 0;
}

.modal table {
  border-collapse: collapse;
  width: 100%;
  margin: 12px 0;
  font-size: 13px;
}

.modal th,
.modal td {
  padding: 6px 12px;
  border: 1px solid var(--card-border);
  text-align: left;
}

.modal th {
  background: var(--section-bg);
  color: var(--text);
}

.modal td {
  color: var(--text-secondary);
}

.modal .close-btn {
  position: sticky;
  top: 0;
  float: right;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  padding: 0 4px;
}

.modal .close-btn:hover {
  color: var(--text);
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel-solid);
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 8px 20px;
  font-size: 13px;
  z-index: 200;
  animation: toast-in 0.2s ease-out;
}

.toast.hiding {
  animation: toast-out 0.2s ease-in forwards;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  to {
    opacity: 0;
    transform: translateX(-50%) translateY(10px);
  }
}