/* Chat2Mind — Editor Page Styles
 * Minimalist Monochrome Design System
 */

/* === EDITOR PAGE LAYOUT === */
.editor-page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* === EDITOR HEADER === */
.editor-header {
  flex-shrink: 0;
  background: var(--background);
  border-bottom: var(--border-thick);
  z-index: 10;
}

.editor-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-6);
  max-width: 100%;
}

.editor-back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--foreground);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transition: opacity var(--transition);
  padding: var(--space-2) 0;
}

.editor-back-btn:hover {
  opacity: 0.6;
}

.editor-title-block {
  flex: 1;
  min-width: 0;
  text-align: center;
}

.editor-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.editor-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.editor-utility-actions {
  display: inline-flex;
  border: 1px solid var(--border-light);
}

.editor-icon-btn {
  display: inline-grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  padding: 0;
  border: 0;
  border-right: 1px solid var(--border-light);
  background: var(--background);
  color: var(--foreground);
  cursor: pointer;
}

.editor-icon-btn:last-child {
  border-right: 0;
}

.editor-icon-btn:hover:not(:disabled) {
  background: var(--muted);
  color: var(--primary);
}

.editor-icon-btn:disabled,
.mobile-toolbar-btn:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.editor-save-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: 2px;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-wide);
  line-height: 1;
  text-transform: uppercase;
}

.editor-save-status::before {
  content: '';
  width: 5px;
  height: 5px;
  background: currentColor;
  border-radius: 50%;
}

.editor-save-status.is-saving {
  color: var(--primary);
}

.editor-save-status.is-error {
  color: var(--error-text);
}

.mobile-bottom-toolbar,
.mobile-layout-menu {
  display: none;
}

/* === SEGMENTED CONTROL (Layout Selector) === */
.segmented-control {
  display: inline-flex;
  border: 2px solid var(--foreground);
  border-radius: 0;
  overflow: hidden;
}

.segmented-btn {
  background: transparent;
  border: none;
  border-right: 2px solid var(--foreground);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--foreground);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition);
}

.segmented-btn:last-child {
  border-right: none;
}

.segmented-btn:hover {
  background: var(--muted);
}

.segmented-btn.active {
  background: var(--primary);
  color: white;
}

/* Export Dropdown */
.export-dropdown {
  position: relative;
}

.export-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  background: var(--background);
  border: 2px solid var(--foreground);
  box-shadow: 4px 4px 0 var(--foreground);
  z-index: 100;
  min-width: 250px;
}

.export-menu.hidden {
  display: none;
}

.export-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border: none;
  background: transparent;
  color: var(--foreground);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: background var(--transition);
}

.export-item:hover {
  background: var(--muted);
}

.export-menu-note {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-light);
  color: var(--muted-foreground);
  font-size: var(--text-xs);
  line-height: var(--leading-normal);
}

.export-menu-note strong {
  color: var(--foreground);
}

/* === EDITOR MAIN AREA === */
.editor-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.editor-mindmap-container {
  flex: 1;
  width: 100%;
  min-height: 600px;
  height: calc(100vh - 120px);
  overflow: hidden;
  background: var(--background);
  position: relative;
}

/* Editor-style grid texture for mindmap canvas */
.editor-mindmap-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 0;
}

.editor-mindmap-container > * {
  position: relative;
  z-index: 1;
}

/* Make mindmap canvas fill container */
.editor-mindmap-container canvas,
.editor-mindmap-container svg {
  width: 100% !important;
  height: 100% !important;
}

/* === FLOATING HINTS OVERLAY === */
.editor-hints {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--muted-foreground);
  letter-spacing: var(--tracking-wide);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--border-light);
  border-radius: 999px;
  z-index: 5;
}

.editor-hints .hint-item {
  padding: var(--space-1) var(--space-2);
}

.editor-hints .hint-divider {
  color: var(--border-light);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .editor-header-content {
    padding: var(--space-2) var(--space-4);
    flex-wrap: wrap;
  }

  .editor-title-block {
    order: -1;
    width: 100%;
    text-align: left;
    flex-basis: 100%;
  }

  .editor-title {
    font-size: var(--text-lg);
  }

  .editor-back-btn span {
    display: none;
  }

  .editor-hints {
    font-size: 10px;
    padding: var(--space-1) var(--space-2);
    bottom: var(--space-2);
  }

  .editor-hints .hint-divider {
    display: none;
  }

  .editor-hints .hint-item {
    padding: var(--space-1);
  }
}

@media (max-width: 480px) {
  .editor-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .layout-selector {
    display: none;
  }

  .editor-utility-actions {
    display: none;
  }

  /* Mobile Bottom Toolbar */
  .mobile-bottom-toolbar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--background);
    border-top: 2px solid var(--foreground);
    z-index: 20;
    padding: var(--space-2) var(--space-2) max(var(--space-2), env(safe-area-inset-bottom));
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
  }

  .mobile-toolbar-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-1);
    border: none;
    background: transparent;
    color: var(--foreground);
    cursor: pointer;
    transition: opacity var(--transition);
    min-width: 0;
  }

  .mobile-toolbar-btn:hover {
    opacity: 0.7;
  }

  .mobile-toolbar-btn span {
    font-size: var(--text-xs);
    font-family: var(--font-mono);
    letter-spacing: var(--tracking-wide);
  }

  /* Make room for bottom toolbar in main container */
  .editor-main {
    padding-bottom: calc(80px + env(safe-area-inset-bottom));
  }

  .editor-mindmap-container {
    height: calc(100vh - 160px) !important;
  }

  /* Mobile Layout Menu */
  .mobile-layout-menu {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 30;
  }

  .mobile-layout-menu.hidden {
    display: none;
  }

  .mobile-layout-menu-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
  }

  .mobile-layout-menu-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--background);
    border-top: 2px solid var(--foreground);
    max-height: 60vh;
    overflow-y: auto;
  }

  .mobile-layout-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--border-light);
  }

  .mobile-layout-menu-header h3 {
    margin: 0;
    font-size: var(--text-lg);
    font-family: var(--font-serif);
  }

  .mobile-layout-options {
    padding: var(--space-2);
  }

  .mobile-layout-option {
    display: block;
    width: 100%;
    text-align: left;
    padding: var(--space-4) var(--space-4);
    margin-bottom: var(--space-2);
    border: 2px solid var(--border-light);
    background: transparent;
    border-radius: 0;
    cursor: pointer;
    transition: all var(--transition);
  }

  .mobile-layout-option:hover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
  }

  .mobile-layout-option.active {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.08);
  }

  .mobile-layout-option .layout-name {
    display: block;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: var(--space-1);
  }

  .mobile-layout-option .layout-desc {
    display: block;
    font-size: var(--text-sm);
    color: var(--muted-foreground);
  }

  /* Adjust hints to be above bottom toolbar */
  .editor-hints {
    bottom: calc(var(--space-4) + 80px + env(safe-area-inset-bottom)) !important;
  }
}

/* === PRINT === */
@media print {
  .editor-header,
  .editor-hints {
    display: none !important;
  }

  .editor-page {
    height: auto;
    overflow: visible;
  }

  .editor-main {
    overflow: visible;
  }

  .editor-mindmap-container {
    min-height: auto !important;
    page-break-inside: avoid;
    border: none;
  }

  .editor-mindmap-container::before {
    display: none;
  }
}

/* === MIND MAP LINE COLOR OVERRIDE === */
.editor-mindmap-container line,
.editor-mindmap-container path:not([fill]),
.editor-mindmap-container path[fill="none"],
.editor-mindmap-container path[fill=""] {
  stroke: #525252 !important;
}

.editor-mindmap-container g[data-node-level="0"] text,
.editor-mindmap-container g:first-child text {
  fill: #FFFFFF !important;
}

/* First-run guidance */
.demo-banner {
  position: absolute;
  top: var(--space-4);
  left: 50%;
  z-index: 18;
  display: flex;
  width: min(44rem, calc(100% - 2rem));
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
  transform: translateX(-50%);
  border: 2px solid var(--foreground);
  background: var(--background);
  box-shadow: 6px 6px 0 var(--foreground);
}

.demo-banner > div {
  display: grid;
  gap: var(--space-1);
}

.demo-banner span {
  color: var(--muted-foreground);
  font-size: var(--text-sm);
}

.editor-onboarding {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 18;
  width: min(24rem, calc(100% - 2rem));
  padding: var(--space-5);
  border: 2px solid var(--foreground);
  background: var(--background);
  box-shadow: 8px 8px 0 var(--foreground);
}

.editor-onboarding-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.editor-onboarding-eyebrow {
  margin: 0 0 var(--space-1);
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

#dismiss-editor-onboarding {
  flex: 0 0 auto;
  border: 0;
  background: transparent;
  color: var(--muted-foreground);
  cursor: pointer;
  font-size: var(--text-2xl);
  line-height: 1;
}

.editor-onboarding ol {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-5) 0 0;
  padding: 0;
  list-style: none;
}

.editor-onboarding li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--muted-foreground);
  font-size: var(--text-sm);
}

.editor-onboarding li > span {
  display: grid;
  width: 1.5rem;
  height: 1.5rem;
  flex: 0 0 auto;
  place-items: center;
  background: var(--primary);
  color: white;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.editor-onboarding li strong {
  color: var(--foreground);
}

@media (max-width: 640px) {
  .demo-banner {
    top: var(--space-2);
    align-items: flex-start;
  }

  .demo-banner span {
    display: none;
  }

  .demo-banner .btn {
    padding: var(--space-3);
  }

  .editor-onboarding {
    top: var(--space-2);
    left: var(--space-2);
    width: calc(100% - var(--space-4));
  }
}