/* ============================================
   Mobile & Responsive Styles
   ============================================ */

/* Show/Hide utilities */
.show-mobile { display: none !important; }
.hide-mobile { display: block; }
.hide-desktop { display: none; }

@media (max-width: 768px) {
  .show-mobile { display: flex !important; }
  .hide-mobile { display: none !important; }
  .hide-desktop { display: block; }
  
  /* Always show hamburger and close buttons on mobile */
  .topbar-menu-btn { display: flex !important; }
  .sidebar-close-btn { display: flex !important; }
}

/* Mobile single column grid */
@media (max-width: 768px) {
  .mobile-single-col { grid-template-columns: 1fr !important; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .col-span-2 { grid-column: span 1; }
  
  /* Hide report preview data on mobile */
  .report-preview-data { display: none !important; }
}

/* Sidebar mobile overlay */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 280px;
    transform: translateX(-100%);
    z-index: 100;
    box-shadow: var(--shadow-xl);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-close-btn {
    margin-left: auto;
  }

  .main-content {
    margin-left: 0;
  }
}

/* Topbar mobile */
@media (max-width: 768px) {
  .topbar {
    padding: 0 var(--space-3);
  }

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

/* Page content mobile */
@media (max-width: 768px) {
  .page-content {
    padding: var(--space-4);
  }

  .page-header {
    /* Keep row layout, don't wrap - just allow shrinking */
    flex-wrap: nowrap;
    gap: var(--space-3);
  }

  .page-actions {
    flex-shrink: 0;
  }
}

/* Widget grid mobile */
@media (max-width: 768px) {
  .widget-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .stat-card {
    padding: var(--space-4);
  }

  .stat-card .stat-value {
    font-size: var(--font-size-2xl);
  }

  .stat-card .stat-icon {
    width: 36px;
    height: 36px;
  }
}

@media (max-width: 400px) {
  .widget-grid {
    grid-template-columns: 1fr;
  }
}

/* Kanban mobile */
@media (max-width: 768px) {
  .kanban-board {
    flex-direction: column;
    gap: var(--space-4);
  }

  .kanban-column {
    flex: none;
    width: 100%;
  }

  .kanban-column-body {
    max-height: 300px;
    overflow-y: auto;
  }
}

/* Side panel mobile */
@media (max-width: 768px) {
  .side-panel {
    width: 100%;
    max-width: 100%;
  }
}

/* Table mobile */
@media (max-width: 768px) {
  .table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .table {
    min-width: 500px;
  }

  .table th, .table td {
    padding: var(--space-3);
  }
}

/* Modal mobile - fullscreen with padding */
@media (max-width: 768px) {
  .modal-overlay {
    padding: 12px;
    align-items: stretch;
  }

  .modal {
    max-width: 100%;
    min-height: calc(100vh - 24px);
    max-height: calc(100vh - 24px);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
  }
  
  .modal .modal-body {
    flex: 1;
    max-height: none !important;
    overflow-y: auto;
  }
}

/* Search modal mobile */
@media (max-width: 768px) {
  .search-modal {
    padding-top: var(--space-4);
    align-items: flex-start;
  }

  .search-modal-content {
    max-width: 100%;
    margin: 0 var(--space-3);
    border-radius: var(--radius-md);
  }
}

/* Settings two-column mobile */
@media (max-width: 768px) {
  .two-column-layout {
    grid-template-columns: 1fr;
  }

  .settings-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-2);
  }

  .settings-nav .nav-item {
    flex: 1;
    min-width: 100px;
    justify-content: center;
    padding: var(--space-2);
  }

  .settings-nav .nav-label {
    display: none;
  }
}

/* Files grid mobile */
@media (max-width: 768px) {
  .files-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Upload zone mobile */
@media (max-width: 768px) {
  .upload-zone {
    padding: var(--space-6);
  }
}

/* Timeline mobile */
@media (max-width: 768px) {
  .timeline {
    flex-direction: column;
  }

  .timeline-quarter {
    flex: none;
    width: 100%;
  }
}

/* Mindmap editor mobile */
.mindmap-fullscreen {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 200;
  display: flex;
  flex-direction: column;
}

.mindmap-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  background: var(--color-surface-solid);
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-4);
}

.mindmap-title-input {
  flex: 1;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  border: none;
  background: transparent;
  outline: none;
}

.mindmap-actions {
  display: flex;
  gap: var(--space-2);
}

.mindmap-canvas {
  flex: 1;
  position: relative;
  overflow: auto;
  touch-action: none;
}

.mindmap-connections {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  /* pointer-events handled by individual paths */
}

.mindmap-nodes {
  position: relative;
  min-width: 800px;
  min-height: 600px;
}

.mindmap-node {
  position: absolute;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-solid);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  cursor: move;
  user-select: none;
  touch-action: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 100px;
}

.mindmap-node.root {
  background: var(--color-primary);
  color: white;
  font-weight: var(--font-weight-semibold);
}

.mindmap-node.selected {
  box-shadow: 0 0 0 2px var(--color-primary);
}

.mindmap-node .node-drag-handle {
  opacity: 0.5;
  cursor: grab;
}

.mindmap-preview {
  height: 120px;
  background: var(--color-bg);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
}

/* Charts */
.chart-bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 180px;
  gap: var(--space-2);
}

.chart-bar-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.chart-bar {
  width: 100%;
  max-width: 40px;
  background: var(--color-primary);
  border-radius: var(--radius-xs) var(--radius-xs) 0 0;
  transition: height var(--transition-base);
}

.chart-bar.secondary {
  background: var(--color-success);
}

.chart-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.chart-value {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

/* Status dots */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.status-todo { background: var(--color-status-todo); }
.status-dot.status-progress { background: var(--color-status-progress); }
.status-dot.status-review { background: var(--color-status-review); }
.status-dot.status-done { background: var(--color-status-done); }

/* Dragging states */
.dragging {
  opacity: 0.5;
  transform: rotate(2deg);
}

.drop-zone.drag-over {
  background: var(--color-primary-light);
  border: 2px dashed var(--color-primary);
}

/* Feature card */
.feature-card {
  cursor: grab;
}

.feature-card:active {
  cursor: grabbing;
}

/* Touch improvements */
@media (hover: none) {
  .btn {
    min-height: 44px;
  }

  .nav-item {
    min-height: 48px;
  }

  .context-btn {
    width: 44px;
    height: 44px;
  }

  .task-card {
    padding: var(--space-4);
  }

  .drag-handle {
    opacity: 1;
  }
}

/* Safe area for notch devices */
@supports (padding-top: env(safe-area-inset-top)) {
  .topbar {
    padding-top: env(safe-area-inset-top);
  }

  .sidebar {
    padding-top: env(safe-area-inset-top);
  }
}

/* =======================
   MINDMAP EDITOR - Enhanced Styles
   ======================= */

/* Modal Overlay */
.mindmap-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

/* Modal Container */
.mindmap-modal {
  position: relative;
  width: 100%;
  max-width: 1400px;
  height: calc(100vh - 48px);
  max-height: 900px;
  background: var(--color-bg);
  border-radius: 16px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Infinite Canvas Wrapper - enables scrolling */
.mindmap-canvas-wrapper {
  flex: 1;
  position: relative;
  overflow: auto;
  background-color: #F8FAFC;
  /* Grid is off by default - controlled by JS settings */
}

/* Canvas - very large size for infinite feel in all directions */
.mindmap-canvas {
  position: relative;
  min-width: 10000px;
  min-height: 10000px;
  touch-action: pan-x pan-y;
  /* Nodes are positioned with +5000px offset to allow negative logical coordinates */
}

/* Connections SVG - allows path pointer events */
.mindmap-connections {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  /* Remove pointer-events:none so child paths can receive clicks */
}

/* Nodes Container */
.mindmap-nodes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
}

/* Toolbar - above all canvas elements */
.mindmap-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--color-surface-solid);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: nowrap;
  position: relative;
  z-index: 100;
  width: 96%;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  box-sizing: border-box;
  flex-shrink: 0;
}

.mindmap-toolbar .btn {
  flex-shrink: 0;
}

.mindmap-toolbar__group {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
}

.mindmap-toolbar__group--right {
  margin-left: auto;
}

.mindmap-toolbar__divider {
  width: 1px;
  height: 24px;
  background: var(--color-border);
  margin: 0 4px;
}

.mindmap-toolbar__label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-right: 4px;
}

.mindmap-toolbar__btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s;
}

.mindmap-toolbar__btn:hover {
  background: var(--color-bg);
  border-color: var(--color-border-strong);
}

.mindmap-toolbar__btn:active {
  transform: translateY(1px);
}

.mindmap-toolbar__btn--active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.mindmap-toolbar__btn--active:hover {
  background: var(--color-primary-hover);
}

.mindmap-toolbar__btn svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

/* Nodes */
.mindmap-node {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  border-style: solid;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}

.mindmap-node:hover {
  transform: translateY(-2px);
}

.mindmap-node--selected {
  z-index: 10;
}

.mindmap-node__drag-handle {
  position: absolute;
  left: 6px;
  top: 50%;
  transform: translateY(-50%);
  cursor: grab;
  color: var(--color-text-tertiary);
  opacity: 0;
  transition: opacity 0.2s;
}

.mindmap-node:hover .mindmap-node__drag-handle {
  opacity: 0.6;
}

.mindmap-node__drag-handle svg {
  width: 14px;
  height: 14px;
}

.mindmap-node__label {
  flex: 1;
  line-height: 1.4;
  word-break: break-word;
}

.mindmap-node__collapse-btn {
  position: absolute;
  right: -14px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: white;
  border-width: 2px;
  border-style: solid;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: all 0.2s;
}

.mindmap-node:hover .mindmap-node__collapse-btn {
  opacity: 1;
}

.mindmap-node__collapse-btn svg {
  width: 12px;
  height: 12px;
}

.mindmap-node__add-btn {
  position: absolute;
  right: -10px;
  bottom: -10px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: all 0.2s;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.mindmap-node:hover .mindmap-node__add-btn {
  opacity: 1;
}

.mindmap-node__add-btn svg {
  width: 14px;
  height: 14px;
}

/* Link Button - for creating cross-branch connections */
.mindmap-node__link-btn {
  position: absolute;
  right: -10px;
  top: -10px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: crosshair;
  opacity: 0;
  transition: all 0.2s;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.mindmap-node:hover .mindmap-node__link-btn {
  opacity: 1;
}

.mindmap-node__link-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 3px 8px rgba(0,0,0,0.3);
}

.mindmap-node__link-btn svg {
  width: 12px;
  height: 12px;
}

/* Connection Anchor Points - visible on hover */
.mindmap-node__anchors {
  pointer-events: none;
}

.mindmap-anchor {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid white;
  cursor: crosshair;
  opacity: 0;
  transition: all 0.15s ease;
  pointer-events: none;
  z-index: 5;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.mindmap-node:hover .mindmap-node__anchors {
  pointer-events: auto;
}

.mindmap-node:hover .mindmap-anchor {
  opacity: 1;
}

.mindmap-anchor:hover {
  transform: translate(-50%, -50%) scale(1.3);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.6), 0 4px 8px rgba(0,0,0,0.3);
}

/* Context Menu */
.mindmap-context-menu {
  position: fixed;
  background: var(--color-surface-solid);
  border-radius: 10px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--color-border);
  padding: 6px;
  min-width: 220px;
  z-index: 2000;
}

.mindmap-context-menu__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.15s;
}

.mindmap-context-menu__item:hover {
  background: var(--color-bg);
}

.mindmap-context-menu__item svg {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}

.mindmap-context-menu__item--danger {
  color: var(--color-error);
}

.mindmap-context-menu__item--danger:hover {
  background: rgba(239, 68, 68, 0.1);
}

.mindmap-context-menu__divider {
  height: 1px;
  background: var(--color-border);
  margin: 6px 0;
}

.mindmap-context-menu__subtitle {
  padding: 8px 12px 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mindmap-context-menu__color-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 8px 12px;
}

.mindmap-context-menu__color-btn {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}

.mindmap-context-menu__color-btn:hover {
  transform: scale(1.1);
  border-color: rgba(0,0,0,0.3);
}

/* Minimap - positioned relative to modal, not canvas */
.mindmap-minimap {
  position: absolute;
  right: 16px;
  bottom: 16px;
  width: 160px;
  height: 100px;
  background: var(--color-surface-solid);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--color-border);
  overflow: hidden;
  z-index: 50;
  pointer-events: auto;
}

/* Mobile Toolbar Adjustments */
@media (max-width: 768px) {
  /* Modal fullscreen on mobile */
  .mindmap-modal-overlay {
    padding: 0;
  }
  
  .mindmap-modal {
    max-width: 100%;
    max-height: 100vh;
    height: 100vh;
    border-radius: 0;
  }
  
  .mindmap-toolbar {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding: 10px 12px;
    gap: 4px;
  }
  
  /* Hide zoom +/- buttons on mobile, only show settings */
  .mindmap-zoom-controls .btn:nth-child(1),
  .mindmap-zoom-controls .btn:nth-child(2) {
    display: none;
  }
  
  .mindmap-toolbar__btn span {
    display: none;
  }
  
  .mindmap-toolbar__btn {
    padding: 10px;
    min-width: 40px;
    justify-content: center;
  }
  
  .mindmap-toolbar__divider {
    display: none;
  }
  
  .mindmap-toolbar__label {
    font-size: 12px;
    min-width: 40px;
    text-align: center;
  }
  
  .mindmap-title-input {
    font-size: 16px;
    max-width: 140px;
  }
  
  /* Touch-friendly nodes */
  .mindmap-node {
    min-width: 100px !important;
    padding: 12px 16px !important;
  }
  
  .mindmap-node__drag-handle,
  .mindmap-node__collapse-btn {
    opacity: 1;
  }
  
  /* Hide add button on smaller screens */
  .mindmap-node__add-btn {
    display: none !important;
  }
  
  /* Context menu centered on mobile */
  .mindmap-context-menu {
    position: fixed;
    bottom: 0 !important;
    left: 0 !important;
    right: 0;
    top: auto !important;
    min-width: 100vw;
    max-width: 100vw;
    border-radius: 16px 16px 0 0;
    max-height: 60vh;
    overflow-y: auto;
    padding-bottom: env(safe-area-inset-bottom, 16px);
  }
  
  .mindmap-context-menu__color-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    padding: 12px 16px;
  }
  
  .mindmap-context-menu__color-btn {
    width: 44px;
    height: 44px;
  }
  
  .mindmap-minimap {
    display: none;
  }
}

/* ===== Notes Bottom Bar ===== */
.mindmap-notes-bar {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  max-width: 800px;
  background: var(--color-surface-solid);
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--color-border);
  padding: 16px 20px;
  z-index: 100;
  transition: all 0.2s ease;
}

.mindmap-notes-bar__content {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
  max-height: 120px;
  overflow-y: auto;
}

.mindmap-notes-bar__content ul,
.mindmap-notes-bar__content ol {
  margin: 8px 0;
  padding-left: 20px;
}

.mindmap-notes-bar__content b,
.mindmap-notes-bar__content strong {
  font-weight: 600;
}

.mindmap-notes-bar__content i,
.mindmap-notes-bar__content em {
  font-style: italic;
}

/* ===== Note Editor Modal ===== */
.mindmap-note-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  animation: fadeIn 0.2s ease;
}

.mindmap-note-modal__content {
  width: 90%;
  max-width: 600px;
  background: var(--color-surface-solid);
  border-radius: 16px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  animation: scaleIn 0.2s ease;
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.mindmap-note-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}

.mindmap-note-modal__header h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  color: var(--color-text);
}

.mindmap-note-modal__toolbar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 16px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.mindmap-note-modal__toolbar .btn {
  min-width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.mindmap-note-modal__toolbar .toolbar-divider {
  width: 1px;
  height: 24px;
  background: var(--color-border);
  margin: 0 8px;
}

.mindmap-note-modal__editor {
  min-height: 200px;
  max-height: 400px;
  padding: 16px 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  outline: none;
  overflow-y: auto;
}

.mindmap-note-modal__editor:focus {
  background: var(--color-bg);
}

.mindmap-note-modal__editor ul,
.mindmap-note-modal__editor ol {
  margin: 8px 0;
  padding-left: 24px;
}

.mindmap-note-modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 20px;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

/* Mobile adjustments for notes */
@media (max-width: 768px) {
  .mindmap-notes-bar {
    width: 90%;
    bottom: 16px;
    padding: 12px 16px;
  }
  
  .mindmap-note-modal__content {
    width: 95%;
    max-height: 80vh;
  }
  
  .mindmap-note-modal__editor {
    min-height: 150px;
    max-height: 300px;
  }
}