/* ==========================================================================
   AQMS Activity Manager - Custom Styles for bs4Dash
   Professional Blue Theme Enhancement
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables for Easy Theming
   -------------------------------------------------------------------------- */
:root {
  --aqms-primary: #2563EB;
  --aqms-primary-dark: #1E40AF;
  --aqms-primary-light: #3B82F6;
  --aqms-secondary: #64748B;
  --aqms-success: #10B981;
  --aqms-danger: #EF4444;
  --aqms-warning: #F59E0B;
  --aqms-info: #0EA5E9;
  --aqms-light: #F8FAFC;
  --aqms-dark: #1E293B;
  --aqms-sidebar-bg: #1E3A5F;
  --aqms-card-border: #E2E8F0;
  --aqms-table-stripe: #F1F5F9;
  --aqms-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --aqms-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --aqms-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --aqms-transition: all 0.2s ease-in-out;
}

/* --------------------------------------------------------------------------
   Button Alignment Fix (replaces margin-top hacks)
   -------------------------------------------------------------------------- */
.aqms-btn-aligned {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 100%;
}

.aqms-btn-aligned .btn {
  margin-top: auto;
}

.form-group {
  margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   Enhanced Button Styles with Loading States
   -------------------------------------------------------------------------- */
.btn {
  font-weight: 500;
  border-radius: 0.375rem;
  padding: 0.5rem 1rem;
  transition: var(--aqms-transition);
  box-shadow: var(--aqms-shadow-sm);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--aqms-shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--aqms-primary) 0%, var(--aqms-primary-dark) 100%);
  border-color: var(--aqms-primary);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--aqms-primary-light) 0%, var(--aqms-primary) 100%);
  border-color: var(--aqms-primary-light);
}

.btn-success {
  background: linear-gradient(135deg, var(--aqms-success) 0%, #059669 100%);
  border-color: var(--aqms-success);
}

.btn-danger {
  background: linear-gradient(135deg, var(--aqms-danger) 0%, #DC2626 100%);
  border-color: var(--aqms-danger);
}

.btn-outline-secondary {
  border-width: 2px;
}

/* Loading state for buttons */
.btn.loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1rem;
  height: 1rem;
  margin: -0.5rem 0 0 -0.5rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* --------------------------------------------------------------------------
   Card Enhancements
   -------------------------------------------------------------------------- */
.card {
  border-radius: 0.5rem;
  border: 1px solid var(--aqms-card-border);
  box-shadow: var(--aqms-shadow-sm);
  transition: var(--aqms-transition);
}

.card:hover {
  box-shadow: var(--aqms-shadow-md);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--aqms-card-border);
  padding: 1rem 1.25rem;
}

.card-header .card-title {
  font-weight: 600;
  color: var(--aqms-dark);
  margin-bottom: 0;
}

.card-primary:not(.card-outline) > .card-header {
  background: linear-gradient(135deg, var(--aqms-primary) 0%, var(--aqms-primary-dark) 100%);
}

/* --------------------------------------------------------------------------
   Data Table Styling
   -------------------------------------------------------------------------- */
.activities-table-container {
  overflow-x: auto;
}

/* Floor for the DT internal scroll body on very short windows so the
   activities pane never collapses below a usable height. */
.activities-table-container .dataTables_scrollBody {
  min-height: 220px;
}

/* Keep the pinned header bar background matching the themed header
   (DataTables splits head/body when scrollY is set). */
.activities-table-container .dataTables_scrollHead th {
  background: var(--aqms-primary);
  color: #fff;
}

.dataTables_wrapper {
  padding: 0.5rem;
}

.dataTable {
  border-collapse: separate;
  border-spacing: 0;
  width: 100% !important;
}

.dataTable thead th {
  background: var(--aqms-primary);
  color: white;
  font-weight: 600;
  padding: 0.75rem 1rem;
  border: none;
  white-space: nowrap;
}

.dataTable thead th:first-child {
  border-top-left-radius: 0.375rem;
}

.dataTable thead th:last-child {
  border-top-right-radius: 0.375rem;
}

.dataTable tbody tr {
  transition: var(--aqms-transition);
}

.dataTable tbody tr:nth-child(even) {
  background-color: var(--aqms-table-stripe);
}

.dataTable tbody tr:hover {
  background-color: #DBEAFE !important;
  cursor: pointer;
}

.dataTable tbody tr.selected {
  background-color: #BFDBFE !important;
}

.dataTable tbody td {
  padding: 0.625rem 1rem;
  border-bottom: 1px solid var(--aqms-card-border);
  vertical-align: middle;
}

.dataTables_paginate .paginate_button {
  border-radius: 0.25rem !important;
  margin: 0 0.125rem;
}

.dataTables_paginate .paginate_button.current {
  background: var(--aqms-primary) !important;
  border-color: var(--aqms-primary) !important;
  color: white !important;
}

/* --------------------------------------------------------------------------
   Gantt Chart Container - Responsive
   -------------------------------------------------------------------------- */
.gantt-chart-container {
  min-height: 600px;
  height: 700px;
  width: 100%;
  position: relative;
  overflow: hidden;
}

/* Make chart elements fill the container */
.gantt-chart-container > div,
.gantt-chart-container .shiny-spinner-output-container,
.gantt-chart-container .shiny-bound-output,
.gantt-chart-container .plotly,
.gantt-chart-container .html-widget,
.gantt-chart-container .plotly-graph-div,
.gantt-chart-container .js-plotly-plot,
.gantt-chart-container .svg-container {
  height: 100% !important;
  width: 100% !important;
  max-width: 100% !important;
}

/* Ensure the main SVG also fills */
.gantt-chart-container .main-svg,
.gantt-chart-container .svg-container svg {
  height: 100% !important;
  width: 100% !important;
}

/* Fullscreen/Maximized card styles */
.card.maximized-card .gantt-chart-container {
  height: calc(100vh - 100px) !important;
  min-height: calc(100vh - 100px) !important;
  width: 100% !important;
}

.card.maximized-card .gantt-chart-container > div,
.card.maximized-card .gantt-chart-container .shiny-spinner-output-container,
.card.maximized-card .gantt-chart-container .shiny-bound-output,
.card.maximized-card .gantt-chart-container .plotly,
.card.maximized-card .gantt-chart-container .html-widget,
.card.maximized-card .gantt-chart-container .plotly-graph-div,
.card.maximized-card .gantt-chart-container .js-plotly-plot,
.card.maximized-card .gantt-chart-container .svg-container {
  height: 100% !important;
  width: 100% !important;
}

/* --------------------------------------------------------------------------
   Form Controls
   -------------------------------------------------------------------------- */
.form-control,
.selectize-input {
  border-radius: 0.375rem;
  border: 1px solid var(--aqms-card-border);
  transition: var(--aqms-transition);
}

.form-control:focus,
.selectize-input.focus {
  border-color: var(--aqms-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.selectize-dropdown {
  border-radius: 0.375rem;
  border: 1px solid var(--aqms-card-border);
  box-shadow: var(--aqms-shadow-md);
}

.selectize-dropdown .option.active {
  background-color: var(--aqms-primary);
}

.custom-control-input:checked ~ .custom-control-label::before {
  background-color: var(--aqms-primary);
  border-color: var(--aqms-primary);
}

/* --------------------------------------------------------------------------
   Validation Messages
   -------------------------------------------------------------------------- */
.validation-error {
  background-color: #FEF2F2;
  border-left: 4px solid var(--aqms-danger);
  color: #991B1B;
  padding: 1rem;
  margin: 1rem 0;
  border-radius: 0 0.375rem 0.375rem 0;
}

.validation-error ul {
  margin-bottom: 0;
  padding-left: 1.25rem;
}

.validation-success {
  background-color: #ECFDF5;
  border-left: 4px solid var(--aqms-success);
  color: #065F46;
  padding: 1rem;
  margin: 1rem 0;
  border-radius: 0 0.375rem 0.375rem 0;
}

/* --------------------------------------------------------------------------
   Action Toolbar
   -------------------------------------------------------------------------- */
.action-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--aqms-light);
  border-radius: 0.5rem;
  align-items: center;
  margin-bottom: 1rem;
  position: sticky;
  top: 57px;          /* clears the bs4Dash fixed navbar */
  z-index: 1020;      /* above table rows, below modals/dropdowns (1050+) */
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);  /* subtle separation when pinned */
}

.action-toolbar .btn {
  white-space: nowrap;
}

.file-upload-wrapper {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.file-upload-wrapper .form-group {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Modal Dialog Enhancements
   -------------------------------------------------------------------------- */
.modal-content {
  border-radius: 0.75rem;
  border: none;
  box-shadow: var(--aqms-shadow-lg);
}

.modal-header {
  background: linear-gradient(135deg, var(--aqms-primary) 0%, var(--aqms-primary-dark) 100%);
  color: white;
  border-radius: 0.75rem 0.75rem 0 0;
  padding: 1.25rem 1.5rem;
}

.modal-header .modal-title {
  font-weight: 600;
}

.modal-header .close {
  color: white;
  opacity: 0.8;
  text-shadow: none;
}

.modal-header .close:hover {
  opacity: 1;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  background: var(--aqms-light);
  border-top: 1px solid var(--aqms-card-border);
  border-radius: 0 0 0.75rem 0.75rem;
  padding: 1rem 1.5rem;
}

/* --------------------------------------------------------------------------
   Read-Only Banner / Callout
   -------------------------------------------------------------------------- */
.callout-info {
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  border-left: 4px solid var(--aqms-primary);
}

/* --------------------------------------------------------------------------
   User Info Header
   -------------------------------------------------------------------------- */
.user-panel {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
}

.user-panel .username {
  font-weight: 500;
  color: var(--aqms-dark);
}

/* --------------------------------------------------------------------------
   Filter Section Improvements
   -------------------------------------------------------------------------- */
.filter-label {
  font-weight: 500;
  color: var(--aqms-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-label i {
  color: var(--aqms-primary);
}

.filter-separator {
  border-top: 1px solid var(--aqms-card-border);
  margin: 1rem 0;
}

/* --------------------------------------------------------------------------
   Status Badges
   -------------------------------------------------------------------------- */
.badge-completed {
  background-color: var(--aqms-success);
  color: white;
}

.badge-pending {
  background-color: var(--aqms-warning);
  color: white;
}

/* --------------------------------------------------------------------------
   Responsive Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .action-toolbar {
    flex-direction: column;
    align-items: stretch;
    position: static;   /* don't pin the tall stacked toolbar on phones */
    box-shadow: none;
  }

  .action-toolbar .btn {
    width: 100%;
  }

  .file-upload-wrapper {
    margin-left: 0;
    width: 100%;
  }

  .gantt-chart-container {
    height: 400px;
    min-height: 300px;
  }
}

@media (max-width: 576px) {
  .card-header {
    padding: 0.75rem 1rem;
  }

  .modal-dialog {
    margin: 0.5rem;
  }
}

/* --------------------------------------------------------------------------
   Spinner Customization
   -------------------------------------------------------------------------- */
.shiny-spinner-output-container {
  min-height: 200px;
}

/* --------------------------------------------------------------------------
   Sidebar Menu Icons
   -------------------------------------------------------------------------- */
.nav-sidebar .nav-link i {
  margin-right: 0.5rem;
}

/* --------------------------------------------------------------------------
   Chart Settings Section
   -------------------------------------------------------------------------- */
.settings-section h5 {
  color: var(--aqms-primary);
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--aqms-primary-light);
}

/* Milestone tree widget container */
#milestone_tree {
  padding: 8px;
}

/* Built-in jsTreeR search input */
#milestone_tree input[type="search"] {
  width: 100%;
  padding: 6px 10px;
  font-size: 13px;
  border: 1px solid #ced4da;
  border-radius: 4px;
  margin-bottom: 8px;
  display: block;
  box-sizing: border-box;
}

/* Scrollable tree body */
#milestone_tree > div.jstree {
  max-height: 300px;
  overflow-y: auto;
}

#milestone_tree .jstree-anchor {
  font-size: 13px;
}

/* Unified container: date filter row + tree in one box */
.milestone-filter-container {
  border: 1px solid #dee2e6;
  border-radius: 4px;
  background-color: #fff;
}

/* Date filter row above the tree */
.milestone-date-row {
  padding: 8px 8px 4px 8px;
}

/* Keep form-group spacing clean in date row */
.milestone-date-row .form-group {
  margin-bottom: 0;
}

/* Clear button fills its narrow column */
.milestone-clear-btn {
  width: 100%;
  margin-top: 1px;
}

/* Separator between date row and jsTree search box */
.milestone-divider {
  margin: 0;
  border-color: #dee2e6;
}

/* ==========================================================================
   Planning Mode Styles
   ========================================================================== */

/* Planning mode — action bar badge */
.plan-badge {
  background: #93C5FD;
  color: #1E3A5F;
  border-radius: 10px;
  padding: 2px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  display: inline-block;
}

/* Planned items panel (below action bar) */
.planned-items-panel {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: 6px;
  padding: 8px 12px;
  max-height: 200px;
  overflow-y: auto;
}

.planned-item-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  border-bottom: 1px solid #DBEAFE;
  font-size: 0.82rem;
}

.planned-item-row:last-child {
  border-bottom: none;
}

.planned-item-row .item-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.planned-item-row .item-dates {
  color: #64748B;
  font-size: 0.75rem;
  white-space: nowrap;
}

.planned-item-row .status-indicator {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.planned-item-row .status-complete {
  color: #10B981;
}

.planned-item-row .status-incomplete {
  color: #F59E0B;
}

.planned-item-row .item-actions {
  display: flex;
  gap: 4px;
}

.planned-item-row .item-actions a {
  font-size: 0.8rem;
  cursor: pointer;
  color: var(--aqms-primary);
  text-decoration: none;
}

.planned-item-row .item-actions a:hover {
  text-decoration: underline;
}

/* Optional fields disclosure in planning modal */
details.plan-optional summary {
  cursor: pointer;
  color: #64748B;
  font-size: 0.85rem;
  padding: 6px 0;
}

/* Completion wizard — highlight missing fields */
.plan-field-missing .form-control,
.plan-field-missing .selectize-input {
  border-color: #F59E0B !important;
  background: #FFFBEB;
}

.plan-field-complete .form-control,
.plan-field-complete .selectize-input {
  border-color: #10B981 !important;
}

/* ---- Gantt right-click context menu ---- */
.aqms-ctx-menu {
  position: fixed;
  z-index: 4000;                       /* above bs4Dash cards/modals backdrop (~1040) */
  min-width: 140px;
  padding: 4px;
  background: #ffffff;
  border: 1px solid var(--aqms-card-border);
  border-radius: 6px;
  box-shadow: var(--aqms-shadow-lg);
  font-size: 0.875rem;
  user-select: none;
}
.aqms-ctx-menu[hidden] { display: none; }
.aqms-ctx-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 12px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--aqms-dark);
  text-align: left;
  cursor: pointer;
  transition: var(--aqms-transition);
}
.aqms-ctx-item:hover,
.aqms-ctx-item:focus {
  background: var(--aqms-primary);
  color: #ffffff;
  outline: none;
}
.aqms-ctx-item:focus-visible {
  box-shadow: 0 0 0 2px var(--aqms-primary-light);
}
.aqms-ctx-item i { width: 1em; text-align: center; }