/* ============================================================
   Sirens — Custom Styles
   Color Palette: Evergreen, Pearl-Beige, Burnt-Caramel, Bone, Rust-Brown
   ============================================================ */

/* --- CSS Variables ----------------------------------------- */
:root {
  --evergreen:       #1e3922;
  --pearl-beige:     #ddd0b0;
  --burnt-caramel:   #c25e07;
  --bone:            #e1d9c4;
  --rust-brown:      #7b2f00;

  --bg:              var(--bone);
  --surface:         #f7f3ea;
  --navbar-bg:       var(--evergreen);
  --navbar-fg:       var(--pearl-beige);
  --accent:          var(--burnt-caramel);
  --accent-dark:     var(--rust-brown);
  --text:            #1a1a1a;
  --text-muted:      #6b6560;
  --border:          #c8bea4;
  --error:           #d32f2f;
  --success:         var(--evergreen);
  --radius:          6px;
  --panel-gap:       1px;
  --transition:      0.18s ease;

  /* Editor */
  --editor-bg:       #faf8f2;
  --editor-gutter:   #ede9df;
  --editor-line:     #f0ece0;
  --editor-cursor:   var(--burnt-caramel);
  --editor-selection:#ddd0b088;

  /* Preview */
  --preview-bg:      var(--surface);
  --preview-grid:    rgba(30,57,34,0.06);
}

/* --- Dark / High-Contrast overrides (applied via .theme-*) -- */
.theme-midnight {
  --bg:           #0f1a12;
  --surface:      #162019;
  --editor-bg:    #101810;
  --editor-gutter:#1a2a1d;
  --editor-line:  #172017;
  --preview-bg:   #111911;
  --text:         #d8d0b8;
  --text-muted:   #8a8278;
  --border:       #2a3a2d;
  --preview-grid: rgba(221,208,176,0.05);
}

.theme-highcontrast {
  --bg:           #000;
  --surface:      #0a0a0a;
  --editor-bg:    #000;
  --editor-gutter:#111;
  --text:         #fff;
  --text-muted:   #bbb;
  --border:       #555;
  --accent:       #ff9800;
  --preview-grid: rgba(255,255,255,0.06);
}

.theme-sketch {
  --bg:           #fffdf7;
  --surface:      #fffef9;
  --editor-bg:    #fffef9;
  --editor-gutter:#f5f3ec;
  --border:       #d4cbb0;
  --accent:       #8b5e3c;
}

/* --- Reset & Base ------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

/* --- Navbar ------------------------------------------------- */
.navbar {
  background: var(--navbar-bg) !important;
  border-bottom: 2px solid var(--accent);
  height: 52px;
  min-height: 52px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  z-index: 100;
}

.navbar-brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.navbar-logo {
  width: 32px; height: 32px;
  border-radius: 6px;
}

.navbar-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--pearl-beige);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.navbar-title span {
  color: var(--burnt-caramel);
}

.navbar-divider {
  width: 1px; height: 24px;
  background: rgba(255,255,255,0.15);
  flex-shrink: 0;
}

.file-name-input {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  color: var(--pearl-beige);
  padding: 4px 10px;
  font-size: 0.875rem;
  width: 180px;
  transition: border-color var(--transition), background var(--transition);
}

.file-name-input:focus {
  outline: none;
  background: rgba(255,255,255,0.12);
  border-color: var(--burnt-caramel);
}

.navbar-spacer { flex: 1; }

.nav-btn {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  color: var(--pearl-beige);
  padding: 5px 12px;
  font-size: 0.8125rem;
  cursor: pointer;
  display: flex; align-items: center; gap: 6px;
  transition: background var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.nav-btn:hover {
  background: rgba(255,255,255,0.16);
  border-color: var(--burnt-caramel);
}

.nav-btn.is-accent {
  background: var(--burnt-caramel);
  border-color: var(--burnt-caramel);
  color: #fff;
  font-weight: 600;
}

.nav-btn.is-accent:hover {
  background: var(--rust-brown);
  border-color: var(--rust-brown);
}

.nav-btn kbd {
  background: rgba(0,0,0,0.25);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 0.7rem;
  font-family: monospace;
}

/* --- Main Layout -------------------------------------------- */
.app-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.app-body {
  display: flex;
  flex: 1;
  overflow: hidden;
  gap: var(--panel-gap);
  background: var(--border);
}

/* --- Editor Panel ------------------------------------------ */
.editor-panel {
  display: flex;
  flex-direction: column;
  width: 30%;
  min-width: 280px;
  background: var(--editor-bg);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

/* Make CodeMirror fill the editor panel */
#editor-container {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

#editor-container .CodeMirror {
  position: absolute;
  inset: 0;
  height: 100% !important;
}

.panel-header {
  background: var(--editor-gutter);
  border-bottom: 1px solid var(--border);
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.panel-header-tag {
  background: var(--accent);
  color: #fff;
  border-radius: 3px;
  padding: 1px 6px;
  font-size: 0.65rem;
  font-weight: 700;
}

.panel-header-spacer { flex: 1; }

.diagram-type-badge {
  background: var(--evergreen);
  color: var(--pearl-beige);
  border-radius: 3px;
  padding: 1px 8px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* --- CodeMirror Overrides ---------------------------------- */
.CodeMirror {
  height: 100% !important;
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  font-size: 13.5px;
  line-height: 1.65;
  background: var(--editor-bg) !important;
  color: var(--text) !important;
}

.CodeMirror-gutters {
  background: var(--editor-gutter) !important;
  border-right: 1px solid var(--border) !important;
}

.CodeMirror-linenumber {
  color: var(--text-muted) !important;
  font-size: 12px;
}

.CodeMirror-cursor {
  border-left: 2px solid var(--editor-cursor) !important;
}

.CodeMirror-selected {
  background: var(--editor-selection) !important;
}

.CodeMirror-activeline-background {
  background: var(--editor-line) !important;
}

.CodeMirror-scroll {
  padding-bottom: 80px;
}

/* Ghost text hint */
.CodeMirror-hint {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  padding: 4px 10px;
}

.CodeMirror-hint-active {
  background: var(--accent) !important;
  color: #fff !important;
}

.CodeMirror-hints {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12) !important;
  background: var(--surface) !important;
  z-index: 9999 !important;
}

/* Ghost text inline */
.cm-ghost-text {
  color: var(--text-muted);
  opacity: 0.5;
  font-style: italic;
  pointer-events: none;
}

/* Error gutter */
.gutter-error-marker {
  width: 14px;
  color: var(--error);
  cursor: pointer;
  font-size: 12px;
  line-height: 1.65;
  text-align: center;
}

.error-gutter-col {
  width: 14px;
}

/* Mermaid syntax highlighting */
.cm-mermaid-keyword  { color: var(--evergreen);     font-weight: 600; }
.cm-mermaid-type     { color: var(--burnt-caramel); font-weight: 600; }
.cm-mermaid-string   { color: #1a6b3c; }
.cm-mermaid-comment  { color: var(--text-muted); font-style: italic; }
.cm-mermaid-arrow    { color: var(--rust-brown); }
.cm-mermaid-bracket  { color: #5a4a3a; }
.cm-mermaid-node-id  { color: #2c4a8c; font-weight: 500; }

/* Mermaid syntax highlighting — dark mode overrides */
.theme-midnight .cm-mermaid-keyword { color: var(--pearl-beige); }
.theme-midnight .cm-mermaid-string  { color: #86c98a; }
.theme-midnight .cm-mermaid-arrow   { color: var(--burnt-caramel); }
.theme-midnight .cm-mermaid-bracket { color: #c8b99e; }
.theme-midnight .cm-mermaid-node-id { color: #7cb8e0; }

/* Error underline */
.cm-error-line {
  background: rgba(211,47,47,0.06);
  border-left: 3px solid var(--error);
}

/* --- Resize Handle ----------------------------------------- */
.resize-handle {
  width: 4px;
  background: var(--border);
  cursor: col-resize;
  flex-shrink: 0;
  transition: background var(--transition);
  position: relative;
  z-index: 10;
}

.resize-handle:hover,
.resize-handle.dragging {
  background: var(--accent);
}

/* --- Preview Panel ----------------------------------------- */
.preview-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--preview-bg);
  overflow: hidden;
  min-width: 200px;
}

.preview-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
}

.preview-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  padding: 3px 8px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition);
}

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

.zoom-level {
  font-size: 0.75rem;
  color: var(--text-muted);
  min-width: 40px;
  text-align: center;
}

#preview-viewport {
  flex: 1;
  overflow: hidden;
  position: relative;
  background:
    linear-gradient(var(--preview-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--preview-grid) 1px, transparent 1px);
  background-size: 24px 24px;
  cursor: grab;
}

#preview-viewport.panning { cursor: grabbing; }

#preview-canvas {
  position: absolute;
  top: 50%; left: 50%;
  transform-origin: center center;
  transform: translate(-50%, -50%) scale(1);
  transition: none;
  user-select: none;
}

#preview-canvas.animating {
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

#preview-canvas svg {
  display: block;
  max-width: none !important;
}

#preview-canvas svg .node,
#preview-canvas svg g.cluster,
#preview-canvas svg .label {
  cursor: pointer;
  transition: filter 0.12s ease;
}

#preview-canvas svg .node:hover {
  filter: brightness(0.88) drop-shadow(0 0 4px var(--accent));
}

.preview-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  pointer-events: none;
  user-select: none;
}

.preview-watermark {
  width: min(420px, 85%);
  height: auto;
  opacity: 0.85;
  /* Subtle breathe animation */
  animation: watermark-breathe 6s ease-in-out infinite;
}

@keyframes watermark-breathe {
  0%, 100% { opacity: 0.72; transform: scale(1); }
  50%       { opacity: 0.92; transform: scale(1.015); }
}

.render-error {
  margin: 16px;
  padding: 12px 16px;
  background: rgba(211,47,47,0.08);
  border: 1px solid rgba(211,47,47,0.3);
  border-radius: var(--radius);
  color: var(--error);
  font-size: 0.8125rem;
  font-family: monospace;
  white-space: pre-wrap;
  word-break: break-all;
}

/* --- Styling Sidebar --------------------------------------- */
.style-sidebar {
  width: 0;
  overflow: hidden;
  background: var(--surface);
  border-left: 1px solid var(--border);
  transition: width 0.22s ease;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.style-sidebar.open {
  width: 260px;
}

.sidebar-content {
  width: 260px;
  padding: 12px;
  overflow-y: auto;
  height: 100%;
}

.sidebar-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
  margin-top: 16px;
}

.sidebar-section-title:first-child { margin-top: 0; }

.theme-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 4px;
}

.theme-card {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.theme-card:hover { border-color: var(--accent); }
.theme-card.active { border-color: var(--accent); background: rgba(194,94,7,0.08); }

.theme-card-preview {
  width: 100%;
  height: 28px;
  border-radius: 3px;
  margin-bottom: 4px;
}

.theme-card-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
}

.css-injector-area {
  width: 100%;
  min-height: 100px;
  background: var(--editor-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  font-family: monospace;
  font-size: 12px;
  color: var(--text);
  resize: vertical;
  transition: border-color var(--transition);
}

.css-injector-area:focus {
  outline: none;
  border-color: var(--accent);
}

.sidebar-btn {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 7px 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 6px;
  transition: background var(--transition);
}

.sidebar-btn:hover { background: var(--rust-brown); }

.mermaid-theme-select {
  width: 100%;
  background: var(--editor-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 8px;
  font-size: 0.8125rem;
  color: var(--text);
  cursor: pointer;
}

/* --- Status Bar -------------------------------------------- */
.status-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 3px 14px;
  background: var(--navbar-bg);
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
  font-size: 0.7rem;
  color: rgba(221,208,176,0.7);
}

.status-item { display: flex; align-items: center; gap: 4px; }
.status-dot  { width: 6px; height: 6px; border-radius: 50%; background: #4caf50; }
.status-dot.error { background: var(--error); }
.status-dot.warning { background: #ff9800; }
.status-spacer { flex: 1; }

/* --- SmartBar Modal ---------------------------------------- */
.smartbar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  backdrop-filter: blur(4px);
}

.smartbar-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.smartbar-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 560px;
  max-width: 94vw;
  box-shadow: 0 24px 64px rgba(0,0,0,0.22);
  overflow: hidden;
  transform: translateY(-12px) scale(0.98);
  transition: transform 0.15s ease;
}

.smartbar-overlay.open .smartbar-container {
  transform: translateY(0) scale(1);
}

.smartbar-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.smartbar-icon { font-size: 1.1rem; color: var(--accent); flex-shrink: 0; }

#smartbar-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 1rem;
  color: var(--text);
  font-family: inherit;
}

#smartbar-input::placeholder { color: var(--text-muted); }

.smartbar-hint {
  font-size: 0.7rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.smartbar-results {
  max-height: 360px;
  overflow-y: auto;
  padding: 6px 0;
}

.smartbar-group-label {
  padding: 6px 16px 3px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.smartbar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 16px;
  cursor: pointer;
  transition: background var(--transition);
  border-radius: 0;
}

.smartbar-item:hover,
.smartbar-item.selected {
  background: rgba(194,94,7,0.10);
}

.smartbar-item.selected { background: rgba(194,94,7,0.16); }

.smartbar-item-icon {
  font-size: 1.1rem;
  width: 26px;
  text-align: center;
  flex-shrink: 0;
}

.smartbar-item-info { flex: 1; min-width: 0; }

.smartbar-item-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.smartbar-item-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.smartbar-item-tag {
  background: var(--editor-gutter);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 6px;
  font-size: 0.65rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.smartbar-footer {
  padding: 8px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 16px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.smartbar-footer kbd {
  background: var(--editor-gutter);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0 4px;
  font-family: monospace;
  margin: 0 2px;
}

/* --- Vault Modal ------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  backdrop-filter: blur(4px);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 620px;
  max-width: 96vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0,0,0,0.22);
  overflow: hidden;
  transform: scale(0.96);
  transition: transform 0.15s ease;
}

.modal-overlay.open .modal-box {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  flex: 1;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
  padding: 2px 6px;
  border-radius: 4px;
  transition: background var(--transition);
}

.modal-close:hover { background: var(--editor-gutter); }

.modal-body {
  overflow-y: auto;
  padding: 18px;
  flex: 1;
}

.modal-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-shrink: 0;
}

/* Vault specific */
.vault-privacy-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: rgba(30,57,34,0.08);
  border: 1px solid rgba(30,57,34,0.2);
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.vault-lock-icon { font-size: 1.4rem; }

.vault-privacy-text {
  font-size: 0.8125rem;
  color: var(--text);
}

.vault-privacy-text strong { display: block; font-weight: 700; }

.vault-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.vault-stat {
  background: var(--editor-gutter);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
  text-align: center;
}

.vault-stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.vault-stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.vault-allocation-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  margin-bottom: 6px;
  color: var(--text);
}

.vault-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  outline: none;
  margin-bottom: 14px;
}

.vault-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.vault-slider::-moz-range-thumb {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid #fff;
}

.vault-file-list {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.vault-file-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
  cursor: pointer;
}

.vault-file-item:last-child { border-bottom: none; }

.vault-file-item:hover { background: rgba(194,94,7,0.06); }

.vault-file-item.active { background: rgba(194,94,7,0.12); }

.vault-file-icon { font-size: 1rem; flex-shrink: 0; }
.vault-file-name { flex: 1; font-size: 0.875rem; font-weight: 500; }
.vault-file-size { font-size: 0.7rem; color: var(--text-muted); }
.vault-file-date { font-size: 0.7rem; color: var(--text-muted); }

.vault-file-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition);
}

.vault-file-item:hover .vault-file-actions { opacity: 1; }

.vault-file-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2px 7px;
  font-size: 0.7rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: all var(--transition);
}

.vault-file-btn:hover { border-color: var(--error); color: var(--error); }
.vault-file-btn.is-open:hover { border-color: var(--accent); color: var(--accent); }

.vault-empty {
  text-align: center;
  padding: 32px;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.vault-usage-bar {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 6px;
}

.vault-usage-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--evergreen), var(--burnt-caramel));
  border-radius: 4px;
  transition: width 0.4s ease;
}

/* --- Export Modal ------------------------------------------ */
.export-options {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.export-card {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition);
}

.export-card:hover { border-color: var(--accent); background: rgba(194,94,7,0.06); }
.export-card.selected { border-color: var(--accent); background: rgba(194,94,7,0.10); }

.export-card-icon { font-size: 1.8rem; margin-bottom: 6px; }
.export-card-label { font-size: 0.875rem; font-weight: 600; color: var(--text); }
.export-card-desc { font-size: 0.7rem; color: var(--text-muted); margin-top: 2px; }

.export-bw-row {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  background: rgba(194,94,7,0.06);
  border: 1px solid var(--border);
}

.export-bw-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  user-select: none;
}

.export-bw-hint {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: auto;
}

/* --- Button Styles ----------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover { background: var(--rust-brown); border-color: var(--rust-brown); }

.btn-secondary {
  background: var(--editor-gutter);
  color: var(--text);
  border-color: var(--border);
}

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

.btn-danger {
  background: transparent;
  color: var(--error);
  border-color: rgba(211,47,47,0.3);
}

.btn-danger:hover { background: rgba(211,47,47,0.08); }

/* --- Tooltip ----------------------------------------------- */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.82);
  color: #fff;
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.12s ease;
  z-index: 9999;
}

[data-tooltip]:hover::after { opacity: 1; }

/* --- Scrollbars -------------------------------------------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* --- Animations -------------------------------------------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in { animation: fadeIn 0.2s ease both; }

/* --- Responsive adjustments -------------------------------- */
@media (max-width: 700px) {
  .editor-panel { width: 100%; }
  .preview-panel { display: none; }
  .nav-btn kbd { display: none; }
  .navbar-title { font-size: 0.9rem; }
}

/* --- PWA Install Banner ------------------------------------ */
.install-banner {
  position: fixed;
  bottom: 36px;
  right: 16px;
  background: var(--evergreen);
  color: var(--pearl-beige);
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  z-index: 800;
  font-size: 0.875rem;
  transform: translateY(100px);
  transition: transform 0.3s ease;
}

.install-banner.show { transform: translateY(0); }

.install-banner-text strong { display: block; font-weight: 700; }

.install-banner-close {
  background: none;
  border: none;
  color: var(--pearl-beige);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  opacity: 0.7;
}

.install-banner-close:hover { opacity: 1; }

/* --- Drag-and-Drop Overlay --------------------------------- */
.drop-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(30, 57, 34, 0.82);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.drop-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.drop-overlay-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  border: 3px dashed var(--burnt-caramel);
  border-radius: 16px;
  padding: 48px 64px;
  background: rgba(225, 217, 196, 0.08);
}

.drop-overlay-icon {
  font-size: 3rem;
  line-height: 1;
}

.drop-overlay-label {
  font-size: 1.25rem;
  color: var(--pearl-beige);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* --- Vault Rename Input ------------------------------------- */
.vault-rename-input {
  flex: 1;
  min-width: 0;
  background: var(--surface);
  border: 1.5px solid var(--accent);
  border-radius: 4px;
  color: var(--text);
  font-size: 0.875rem;
  padding: 2px 8px;
  outline: none;
  font-family: inherit;
}

.vault-rename-input:focus {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 25%, transparent);
}

/* --- Loading Spinner --------------------------------------- */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Custom CSS injector styles go here — appended at runtime */
#custom-css-injector {}

/* --- Canvas Edit Mode -------------------------------------- */
#preview-viewport.canvas-edit-active {
  cursor: crosshair;
}

/* Mode banner is now in the canvas-edit-toolbar bar, not a CSS pseudo-element */

/* In edit mode nodes show a pointer cursor */
#preview-viewport.canvas-edit-active #preview-canvas svg .node,
#preview-viewport.canvas-edit-active #preview-canvas svg .actor,
#preview-viewport.canvas-edit-active #preview-canvas svg .entityBox {
  cursor: pointer;
  transition: filter 0.12s ease;
}

/* Connect mode: cross-hair for whole viewport */
#preview-viewport.canvas-connect-mode {
  cursor: crosshair;
  outline: 2px dashed var(--accent);
  outline-offset: -2px;
}
#preview-viewport.canvas-connect-mode #preview-canvas svg .node,
#preview-viewport.canvas-connect-mode #preview-canvas svg .actor {
  cursor: crosshair;
}

/* Selected node highlight */
#preview-canvas svg .canvas-edit-selected > rect,
#preview-canvas svg .canvas-edit-selected > circle,
#preview-canvas svg .canvas-edit-selected > ellipse,
#preview-canvas svg .canvas-edit-selected > polygon,
#preview-canvas svg .canvas-edit-selected > path {
  stroke: var(--accent) !important;
  stroke-width: 3px !important;
  filter: drop-shadow(0 0 6px rgba(194,94,7,0.5));
}

/* Preview-panel edit button active state */
.preview-btn-edit[aria-pressed="true"] {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Floating canvas edit input */
.canvas-edit-input {
  position: fixed;
  z-index: 9000;
  background: #fff;
  border: 2px solid var(--accent);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--text);
  outline: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.22);
  min-width: 120px;
  text-align: center;
}

/* Canvas Edit Toolbar bar */
.canvas-edit-toolbar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: var(--editor-gutter);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
  min-height: 36px;
}

.canvas-edit-toolbar[hidden] { display: none; }

.ce-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
}
.ce-btn:hover:not(:disabled) {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.ce-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.ce-btn-danger:hover:not(:disabled) {
  background: var(--error);
  border-color: var(--error);
  color: #fff;
}

.ce-shape-select {
  padding: 3px 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 0.72rem;
  font-family: inherit;
  cursor: pointer;
}
.ce-shape-select:disabled { opacity: 0.45; cursor: not-allowed; }

.ce-sep {
  width: 1px;
  height: 18px;
  background: var(--border);
  flex-shrink: 0;
  margin: 0 2px;
}

.ce-selection-info {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-style: italic;
  white-space: nowrap;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 1;
}

.ce-hint {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-left: auto;
  white-space: nowrap;
}

/* Right-click context menu */
.canvas-ctx-menu {
  position: fixed;
  z-index: 9500;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 6px 24px rgba(0,0,0,0.22);
  padding: 4px 0;
  min-width: 160px;
  font-size: 0.82rem;
}

.ctx-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 7px 14px;
  border: none;
  background: none;
  color: var(--text);
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition);
}
.ctx-item:hover { background: rgba(194,94,7,0.10); }
.ctx-item-danger { color: var(--error); }
.ctx-item-danger:hover { background: rgba(211,47,47,0.10); }

.ctx-icon { font-size: 0.85rem; width: 16px; flex-shrink: 0; }

hr.ctx-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 4px 0;
}

/* Add Node Modal — small fields */
.modal-box-sm {
  max-width: 400px !important;
}

.add-node-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}

.add-node-label-txt {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.add-node-input {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--editor-bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--transition);
}
.add-node-input:focus { border-color: var(--accent); }

.add-node-select {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--editor-bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.875rem;
}

.add-node-connect-row {
  background: rgba(194,94,7,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}

.add-node-connect-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  cursor: pointer;
}

/* Insert Choice Modal */
.insert-choice-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.insert-choice-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  background: var(--surface);
  width: 100%;
  text-align: left;
  font-family: inherit;
}

.insert-choice-card:hover {
  border-color: var(--accent);
  background: rgba(194,94,7,0.06);
}

.insert-choice-card:disabled,
.insert-choice-card[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
}

.insert-choice-card-replace:hover {
  border-color: var(--text-muted);
}

.insert-choice-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  width: 28px;
  text-align: center;
}

.insert-choice-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.insert-choice-text strong {
  font-size: 0.85rem;
  color: var(--text);
}

.insert-choice-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Divider in preview controls */
.preview-controls-divider {
  width: 1px;
  height: 16px;
  background: var(--border);
  flex-shrink: 0;
}

/* --- Preset Template Library ------------------------------- */
.preset-panel {
  margin-top: 2px;
}

.preset-category {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 6px;
}

.preset-category-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  background: var(--editor-gutter);
  border: none;
  cursor: pointer;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 600;
  font-family: inherit;
  text-align: left;
  transition: background var(--transition);
  user-select: none;
}

.preset-category-header:hover {
  background: rgba(194,94,7,0.10);
}

.preset-cat-icon { font-size: 0.95rem; flex-shrink: 0; }

.preset-cat-label { flex: 1; }

.preset-cat-count {
  background: var(--border);
  border-radius: 10px;
  padding: 0 6px;
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 700;
}

.preset-cat-chevron {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: 2px;
}

.preset-category-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
  padding: 6px;
  background: var(--surface);
}

/* When hidden attr is present items are collapsed */
.preset-category-items[hidden] { display: none; }

.preset-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px 4px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  background: var(--editor-bg);
  transition: all var(--transition);
  user-select: none;
  text-align: center;
  min-height: 62px;
}

.preset-card:hover {
  border-color: var(--accent);
  background: rgba(194,94,7,0.07);
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(0,0,0,0.10);
}

.preset-card.dragging {
  opacity: 0.55;
  border-style: dashed;
}

.preset-card-icon {
  font-size: 1.35rem;
  line-height: 1;
}

.preset-card-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.2;
  max-width: 100%;
  word-break: break-word;
}

/* Editor panel drop-target highlight (drag preset → editor) */
.editor-panel.drop-target {
  outline: 2px dashed var(--accent);
  outline-offset: -2px;
  background: rgba(194,94,7,0.04);
}

/* ============================================================
   AI Assistant — Siren AI floating orb / chat box
   ============================================================ */

/* Ensure CSS display:flex rules never override [hidden] on AI widget children */
.ai-orb-face[hidden],
.ai-box[hidden],
.ai-settings-panel[hidden],
.ai-chat-panel[hidden] { display: none !important; }

/* ── Root widget (position: fixed, always on top) ─────────── */
.ai-widget {
  position: fixed;
  z-index: 9800;
  user-select: none;
  touch-action: none;
}

/* ── Orb (contracted) ─────────────────────────────────────── */
.ai-widget.ai-orb-mode {
  width: 4vw;
  height: 4vw;
  min-width: 44px;
  min-height: 44px;
  border-radius: 50%;
}

.ai-orb-face {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--evergreen);
  border: 2px solid var(--rust-brown);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0,0,0,0.32);
  animation: ai-orb-pulse 2.8s ease-in-out infinite;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}

.ai-orb-face:hover {
  border-color: var(--burnt-caramel);
  box-shadow: 0 0 16px rgba(194,94,7,0.45);
  animation: none;
}

.ai-orb-icon {
  width: 60%;
  height: 60%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.ai-orb-icon svg { width: 100%; height: 100%; display: block; }

@keyframes ai-orb-pulse {
  0%, 100% { box-shadow: 0 2px 12px rgba(0,0,0,0.32), 0 0 0 0 rgba(194,94,7,0.45); }
  50%       { box-shadow: 0 2px 12px rgba(0,0,0,0.32), 0 0 0 10px rgba(194,94,7,0); }
}

/* ── Box (expanded) ───────────────────────────────────────── */
.ai-widget.ai-box-mode {
  width: 20vw;
  min-width: 280px;
  height: 50vh;
  min-height: 240px;
  border-radius: 10px;
}

.ai-box {
  width: 100%;
  height: 100%;
  background: var(--evergreen);
  border: 1.5px solid var(--rust-brown);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 10px 36px rgba(0,0,0,0.42);
}

/* ── Header ───────────────────────────────────────────────── */
.ai-header {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 9px;
  border-bottom: 1px solid var(--rust-brown);
  flex-shrink: 0;
  cursor: move;
  background: rgba(0,0,0,0.18);
  user-select: none;
}

.ai-header-icon { width: 19px; height: 19px; flex-shrink: 0; }
.ai-header-icon svg { width: 19px; height: 19px; display: block; border-radius: 3px; }

.ai-header-title {
  flex: 1;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--pearl-beige);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.ai-btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1;
  padding: 3px 5px;
  border-radius: 4px;
  color: var(--pearl-beige);
  opacity: 0.65;
  transition: opacity 0.12s, background 0.12s;
}
.ai-btn-icon:hover { opacity: 1; background: rgba(255,255,255,0.10); }

/* ── Settings panel ───────────────────────────────────────── */
.ai-settings-panel {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.ai-settings-scroll {
  padding: 10px 11px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.ai-settings-banner {
  background: rgba(0,0,0,0.22);
  border: 1px solid var(--rust-brown);
  border-radius: 6px;
  padding: 9px 10px;
  font-size: 0.68rem;
  color: var(--pearl-beige);
  line-height: 1.45;
  margin-bottom: 4px;
}
.ai-settings-banner strong {
  display: block;
  font-size: 0.75rem;
  color: var(--bone);
  margin-bottom: 4px;
}
.ai-settings-banner p { margin: 3px 0; }
.ai-settings-banner a { color: var(--burnt-caramel); text-decoration: underline; }
.ai-settings-banner code {
  background: rgba(0,0,0,0.3);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 0.65rem;
  color: var(--pearl-beige);
  font-family: 'JetBrains Mono', monospace;
}

.ai-settings-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--pearl-beige);
  opacity: 0.65;
}

.ai-settings-input {
  padding: 5px 8px;
  border: 1px solid var(--rust-brown);
  border-radius: 4px;
  background: rgba(0,0,0,0.28);
  color: var(--pearl-beige);
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  outline: none;
  width: 100%;
  transition: border-color 0.14s;
}
.ai-settings-input:focus { border-color: var(--burnt-caramel); }
.ai-settings-input::placeholder { opacity: 0.38; }

.ai-btn-primary {
  background: var(--rust-brown);
  color: var(--pearl-beige);
  border: none;
  border-radius: 5px;
  padding: 7px 10px;
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.14s;
  margin-top: 4px;
}
.ai-btn-primary:hover { background: var(--burnt-caramel); }

.ai-btn-ghost {
  background: none;
  color: var(--pearl-beige);
  border: 1px solid rgba(221,208,176,0.20);
  border-radius: 5px;
  padding: 5px 10px;
  font-size: 0.7rem;
  cursor: pointer;
  font-family: inherit;
  opacity: 0.55;
  transition: opacity 0.14s, border-color 0.14s;
}
.ai-btn-ghost:hover { opacity: 1; border-color: rgba(221,208,176,0.45); }

/* ── Chat panel ───────────────────────────────────────────── */
.ai-chat-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.ai-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 9px 9px 4px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  scroll-behavior: smooth;
}
.ai-chat-messages::-webkit-scrollbar { width: 4px; }
.ai-chat-messages::-webkit-scrollbar-thumb {
  background: rgba(221,208,176,0.18);
  border-radius: 2px;
}

/* ── Message bubbles ──────────────────────────────────────── */
.ai-message {
  display: flex;
  gap: 6px;
  align-items: flex-start;
  animation: fadeIn 0.16s ease both;
}

.ai-message-avatar {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 3px;
}
.ai-message-avatar svg { width: 20px; height: 20px; border-radius: 3px; }

.ai-message-body {
  font-size: 0.76rem;
  line-height: 1.52;
  color: var(--pearl-beige);
  max-width: 88%;
  word-break: break-word;
}

/* User bubble — right-aligned */
.ai-message-user {
  flex-direction: row-reverse;
}
.ai-message-user .ai-message-body {
  background: rgba(194,94,7,0.22);
  border: 1px solid rgba(194,94,7,0.38);
  border-radius: 8px 8px 2px 8px;
  padding: 6px 9px;
  color: var(--bone);
}

/* Assistant bubble */
.ai-message-assistant .ai-message-body {
  background: rgba(0,0,0,0.18);
  border: 1px solid rgba(123,47,0,0.28);
  border-radius: 2px 8px 8px 8px;
  padding: 6px 9px;
}

.ai-text-block strong { font-weight: 700; color: var(--bone); }
.ai-text-block em     { font-style: italic; }

.ai-inline-code {
  background: rgba(0,0,0,0.35);
  padding: 1px 4px;
  border-radius: 3px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.69rem;
  color: var(--burnt-caramel);
}

.ai-error {
  color: #ff8080;
  font-style: italic;
}

/* ── Code blocks ──────────────────────────────────────────── */
.ai-code-block {
  background: rgba(0,0,0,0.34);
  border: 1px solid var(--rust-brown);
  border-radius: 5px;
  overflow: hidden;
  margin-top: 5px;
}

.ai-code-header {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 7px;
  background: rgba(0,0,0,0.18);
  border-bottom: 1px solid rgba(123,47,0,0.35);
}

.ai-code-lang {
  flex: 1;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--burnt-caramel);
}

.ai-btn-apply {
  background: var(--rust-brown);
  color: var(--pearl-beige);
  border: none;
  border-radius: 3px;
  padding: 2px 7px;
  font-size: 0.62rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  transition: background 0.12s;
}
.ai-btn-apply:hover { background: var(--burnt-caramel); }

.ai-btn-copy {
  background: rgba(255,255,255,0.06);
  color: var(--pearl-beige);
  border: none;
  border-radius: 3px;
  padding: 2px 7px;
  font-size: 0.62rem;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  opacity: 0.65;
  transition: opacity 0.12s;
}
.ai-btn-copy:hover { opacity: 1; }

.ai-code-pre {
  margin: 0;
  padding: 7px 9px;
  overflow-x: auto;
}
.ai-code-pre code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  line-height: 1.46;
  color: var(--pearl-beige);
  white-space: pre;
}

/* ── Input row ────────────────────────────────────────────── */
.ai-chat-input-row {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  padding: 6px 8px;
  border-top: 1px solid var(--rust-brown);
  background: rgba(0,0,0,0.12);
  flex-shrink: 0;
}

.ai-chat-input {
  flex: 1;
  background: rgba(0,0,0,0.24);
  border: 1px solid rgba(123,47,0,0.45);
  border-radius: 6px;
  color: var(--pearl-beige);
  font-size: 0.76rem;
  font-family: inherit;
  padding: 5px 8px;
  resize: none;
  outline: none;
  min-height: 32px;
  max-height: 80px;
  line-height: 1.42;
  transition: border-color 0.14s;
}
.ai-chat-input:focus { border-color: var(--burnt-caramel); }
.ai-chat-input::placeholder { opacity: 0.38; color: var(--pearl-beige); }

.ai-btn-send {
  background: var(--rust-brown);
  border: none;
  border-radius: 6px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--pearl-beige);
  flex-shrink: 0;
  transition: background 0.14s;
}
.ai-btn-send:hover:not(:disabled) { background: var(--burnt-caramel); }
.ai-btn-send:disabled { opacity: 0.38; cursor: not-allowed; }
.ai-btn-send svg { pointer-events: none; }

/* Attach button */
.ai-btn-attach {
  background: transparent;
  border: 1px solid rgba(123,47,0,0.45);
  border-radius: 6px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--pearl-beige);
  font-size: 0.82rem;
  flex-shrink: 0;
  transition: border-color 0.14s, background 0.14s;
  padding: 0;
  line-height: 1;
}
.ai-btn-attach:hover { border-color: var(--burnt-caramel); background: rgba(194,94,7,0.12); }

/* Attachment badge */
.ai-attach-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px 3px 8px;
  background: rgba(194,94,7,0.13);
  border-top: 1px solid rgba(123,47,0,0.3);
  font-size: 0.72rem;
  color: var(--pearl-beige);
  flex-shrink: 0;
}
.ai-attach-badge[hidden] { display: none; }
.ai-attach-icon { font-size: 0.78rem; }
.ai-attach-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; opacity: 0.85; }
.ai-attach-remove {
  background: none;
  border: none;
  color: var(--pearl-beige);
  cursor: pointer;
  font-size: 0.7rem;
  padding: 0 2px;
  opacity: 0.6;
  flex-shrink: 0;
  line-height: 1;
}
.ai-attach-remove:hover { opacity: 1; }