:root {
  /* Catppuccin Mocha palette */
  --bg-primary: #1e1e2e;   /* Base */
  --bg-secondary: #181825;  /* Mantle */
  --bg-editor: #11111b;     /* Crust */
  --bg-panel: #313244;      /* Surface 0 */
  --bg-toolbar: #181825;    /* Mantle */
  --text-primary: #cdd6f4;  /* Text */
  --text-secondary: #a6adc8; /* Subtext 0 */
  --text-muted: #6c7086;    /* Overlay 0 */
  --accent: #74c7ec;        /* Sapphire */
  --accent-hover: #89dceb;  /* Sky */
  --error: #f38ba8;         /* Red */
  --error-bg: rgba(243, 139, 168, 0.1);
  --success: #a6e3a1;       /* Green */
  --border: #313244;        /* Surface 0 */
  --divider: #45475a;       /* Surface 1 */
  --font-mono: "JetBrains Mono", "Fira Code", "SF Mono", Consolas, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html, body {
  height: 100%;
  overflow: hidden;
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
}

#app {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 16px;
  background: var(--bg-toolbar);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.toolbar h1 {
  font-size: 16px;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

.toolbar-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.toolbar label {
  font-size: 13px;
  color: var(--text-secondary);
}

.toolbar select {
  background: var(--bg-editor);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 13px;
  font-family: var(--font-sans);
  cursor: pointer;
}

.toolbar select:focus {
  outline: none;
  border-color: var(--accent);
}

.tab-group {
  display: flex;
  gap: 2px;
  background: var(--bg-editor);
  border-radius: 6px;
  padding: 2px;
}

.tab-btn {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  padding: 4px 12px;
  font-size: 13px;
  font-family: var(--font-sans);
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.15s, background-color 0.15s;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-panel);
}

.tab-btn.active {
  background: var(--accent);
  color: var(--bg-primary);
  font-weight: 500;
}

/* Main layout */
.main {
  display: flex;
  flex: 1;
  min-height: 0;
}

/* Panels */
.panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.panel-left,
.panel-right {
  flex: 1;
}

.recipe-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.panel-header {
  display: flex;
  align-items: center;
  padding: 6px 12px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.panel-header .badge {
  margin-left: auto;
  background: var(--bg-editor);
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
}

.variant-format-toggle {
  display: flex;
  gap: 1px;
  margin-left: auto;
  background: var(--bg-editor);
  border-radius: 3px;
  padding: 1px;
}

.variant-format-btn {
  background: transparent;
  color: var(--text-muted);
  border: none;
  padding: 1px 6px;
  font-size: 10px;
  font-family: var(--font-mono);
  border-radius: 2px;
  cursor: pointer;
  text-transform: none;
  letter-spacing: normal;
  transition: color 0.15s, background-color 0.15s;
}

.variant-format-btn:hover {
  color: var(--text-secondary);
}

.variant-format-btn.active {
  background: var(--accent);
  color: var(--bg-primary);
}

.load-pinning-btn {
  margin-left: 8px;
  background: var(--bg-editor);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 8px;
  font-size: 11px;
  font-family: var(--font-sans);
  cursor: pointer;
  text-transform: none;
  letter-spacing: normal;
  transition: color 0.15s, border-color 0.15s;
}

.load-pinning-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.load-pinning-btn:disabled {
  opacity: 0.5;
  cursor: wait;
}

.editor-container {
  flex: 1;
  position: relative;
  overflow: auto;
  background: var(--bg-editor);
}

.editor-highlight {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 100%;
  margin: 0;
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  tab-size: 2;
  white-space: pre-wrap;
  word-wrap: break-word;
  pointer-events: none;
  background: var(--bg-editor);
  color: var(--text-primary);
}

.editor-highlight code,
.output-yaml code {
  background: transparent;
  font-family: inherit;
}

.editor-container textarea {
  display: block;
  position: relative;
  width: 100%;
  min-height: 100%;
  field-sizing: content;
  overflow: hidden;
  background: transparent;
  color: transparent;
  caret-color: var(--text-primary);
  border: none;
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
  resize: none;
  outline: none;
  tab-size: 2;
}

.editor-container textarea::placeholder {
  color: var(--text-muted);
}

/* Dividers */
.divider-h {
  width: 4px;
  background: var(--border);
  cursor: col-resize;
  flex-shrink: 0;
  transition: background 0.15s;
}

.divider-h:hover, .divider-h.active {
  background: var(--accent);
}

.divider-v {
  height: 4px;
  background: var(--border);
  cursor: row-resize;
  flex-shrink: 0;
  transition: background 0.15s;
}

.divider-v:hover, .divider-v.active {
  background: var(--accent);
}

/* Output panel */
.output-container {
  flex: 1;
  overflow: auto;
  padding: 12px;
}

.output-yaml {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-primary);
}

.output-error {
  background: var(--error-bg);
  border: 1px solid var(--error);
  border-radius: 6px;
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--error);
}

.output-error .error-location {
  color: var(--text-secondary);
  font-size: 12px;
  margin-top: 8px;
}

.output-placeholder {
  color: var(--text-muted);
  font-style: italic;
  font-size: 14px;
}

/* Variables panel */
.variables-panel {
  flex: 0 0 180px;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.variables-panel .editor-container textarea {
  field-sizing: fixed;
}

/* Used variables hint */
.used-vars {
  padding: 6px 12px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.used-vars span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
}

/* ===== Variant Cards ===== */
.variants-view {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.variants-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.variant-card {
  background: var(--bg-panel);
  border: 1px solid var(--divider);
  border-radius: 8px;
  padding: 10px 14px;
  transition: border-color 0.15s;
}

.variant-card:hover {
  border-color: var(--accent);
}

.variant-card-skipped {
  opacity: 0.5;
}

.variant-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.variant-pkg-name {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

.variant-pkg-version {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
}

.variant-build-string {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-editor);
  padding: 1px 6px;
  border-radius: 3px;
}

.variant-badge {
  font-size: 11px;
  padding: 1px 8px;
  border-radius: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.variant-badge-skip {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error);
}

.variant-badge-noarch {
  background: rgba(166, 227, 161, 0.1);
  color: var(--success);
  border: 1px solid var(--success);
}

/* Context table */
.context-table {
  width: 100%;
  margin-top: 8px;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12px;
}

.context-table thead th {
  text-align: left;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 6px 4px;
  border-bottom: 1px solid var(--border);
}

.context-table td {
  padding: 2px 6px;
}

.context-table .context-key {
  color: var(--text-secondary);
  white-space: nowrap;
  width: 1%;
}

.context-table .context-value {
  color: var(--success);
}

.variant-keys {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.variant-key-pill {
  display: inline-flex;
  border-radius: 4px;
  overflow: hidden;
  font-size: 12px;
  font-family: var(--font-mono);
  border: 1px solid var(--border);
}

.variant-key-name {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 1px 6px;
}

.variant-key-value {
  background: var(--bg-editor);
  color: var(--accent);
  padding: 1px 6px;
}

.variant-deps {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
  font-size: 12px;
}

.variant-dep-section {
  margin-bottom: 3px;
  line-height: 1.6;
}

.variant-dep-label {
  color: var(--text-muted);
  font-weight: 500;
  margin-right: 4px;
}

.variant-dep {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  background: var(--bg-editor);
  padding: 1px 5px;
  border-radius: 3px;
  margin-right: 2px;
}

/* Collapsible JSON details */
.variants-yaml-details {
  margin-top: 8px;
}

.variants-yaml-details summary {
  cursor: pointer;
  color: var(--text-muted);
  font-size: 12px;
  padding: 6px 0;
  user-select: none;
}

.variants-yaml-details summary:hover {
  color: var(--text-secondary);
}

.variants-yaml-details[open] summary {
  margin-bottom: 8px;
}

/* Responsive */
@media (max-width: 768px) {
  .main {
    flex-direction: column;
  }
  .divider-h {
    width: 100%;
    height: 4px;
    cursor: row-resize;
  }
}