body {
  background:
    radial-gradient(circle at top left, rgba(29, 111, 165, 0.08), transparent 26%),
    radial-gradient(circle at top right, rgba(31, 141, 155, 0.08), transparent 22%),
    linear-gradient(180deg, #f8fbfe 0%, #f2f7fb 42%, #ffffff 100%);
  color: #183247;
  font-family: "Segoe UI", "Aptos", sans-serif;
}

.navbar,
.navbar.navbar-default,
.navbar.navbar-light {
  background: rgba(255, 255, 255, 0.92) !important;
  border-bottom: 1px solid rgba(196, 214, 228, 0.85);
  box-shadow: 0 14px 36px rgba(20, 50, 74, 0.08);
  backdrop-filter: blur(10px);
}

.navbar > .container-fluid,
.navbar > .container {
  display: flex;
  align-items: flex-end;
  width: 100%;
  gap: 1rem;
  padding-bottom: 0;
}

.app-brand {
  display: flex;
  align-items: center;
  min-height: 84px;
  gap: 1rem;
  flex: 1 1 auto;
  min-width: 0;
  align-self: center;
  padding-bottom: 4px;
}

.app-brand img {
  display: block;
  background: transparent;
}

.top-install-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-left: 0.4rem;
  flex: 1 1 auto;
}

.top-install-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.22rem 0.62rem;
  background: #ffffff;
  border: 1px solid #d6e4ef;
  color: #355066;
  font-size: 0.8rem;
  font-weight: 700;
}

.top-install-pill-a {
  background: #fff0e4;
  border-color: #f0b07b;
  color: #9a4b17;
}

.top-install-pill-b {
  background: #e3f5f7;
  border-color: #7fc8d1;
  color: #15606a;
}

.navbar .navbar-brand,
.navbar .dropdown-toggle {
  color: #1d6fa5 !important;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.navbar-collapse {
  display: flex !important;
  flex: 1 1 auto;
  justify-content: flex-end;
  align-items: flex-end;
}

.navbar-nav {
  display: flex !important;
  flex-direction: row !important;
  flex: 0 0 auto !important;
  width: auto !important;
  gap: 3px;
  margin-bottom: -1px;
}

.navbar-nav .nav-link {
  padding: 0.5rem 1.25rem !important;
  border: 1.5px solid transparent;
  border-bottom: none;
  border-radius: 7px 7px 0 0;
  background: transparent;
  color: #355066 !important;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.4;
  transition: background 0.12s, border-color 0.12s;
}

.navbar-nav .nav-link.active {
  background: #ffffff;
  border-color: rgba(196, 214, 228, 0.9);
  border-bottom: 1.5px solid #ffffff;
  color: #1d6fa5 !important;
  box-shadow: none;
}

.navbar-nav .nav-link:hover:not(.active),
.navbar-nav .nav-link:focus:not(.active) {
  background: rgba(237, 244, 250, 0.65);
  border-color: rgba(196, 214, 228, 0.55);
  color: #1d6fa5 !important;
}

.card,
.bslib-card,
.sidebar {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid #d9e4ee;
  border-radius: 24px;
  box-shadow: 0 22px 44px rgba(15, 45, 67, 0.08);
}

.card .card-header,
.bslib-card .card-header {
  border-top-left-radius: 22px !important;
  border-top-right-radius: 22px !important;
}

.sidebar {
  padding-top: 1rem;
}

.btn-primary {
  background: #1d6fa5;
  border-color: #1d6fa5;
}

.btn-success {
  background: #21825c;
  border-color: #21825c;
}

.btn-secondary {
  background: #edf3f8;
  border-color: #cfdbe7;
  color: #173247;
}

.form-control,
.selectize-input,
.selectize-dropdown {
  border-radius: 14px !important;
}

/* Package checklist — multi-column grid */
#migrate-pkgs .shiny-options-group {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2px 20px;
}
#migrate-pkgs .shiny-options-group .checkbox {
  break-inside: avoid;
  margin: 0;
}

/* Inline checkbox + label on same line */
#migrate-pkgs .shiny-options-group .checkbox label {
  display: flex !important;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 2px 0;
}
#migrate-pkgs .shiny-options-group .checkbox input[type="checkbox"] {
  margin: 0 !important;
  flex-shrink: 0;
}

/* Package label parts */
.pkg-label  { display: flex; align-items: baseline; gap: 8px; }
.pkg-version { color: #555; font-size: 0.82em; }
.pkg-source  { color: #999; font-size: 0.78em; }

/* Stripe R installation dropdowns */
.selectize-dropdown-content .option:nth-child(even) {
  background-color: #f0f4f8;
}

.top-install-detected-label {
  display: inline-flex;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: #7a95a8;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-right: 0.3rem;
  white-space: nowrap;
}

.sync-select-block-a {
  border-left: 3px solid #d8752a;
  padding-left: 0.6rem;
  margin-left: -0.6rem;
}

.sync-select-block-b {
  border-left: 3px solid #1f8d9b;
  padding-left: 0.6rem;
  margin-left: -0.6rem;
}

.sync-sidebar {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(245, 250, 255, 0.98) 100%);
  border-right: 1px solid #ebf1f6;
}

.sync-sidebar select.form-control {
  min-height: 46px;
  border: 1px solid #d5e3ee !important;
  background: #ffffff;
  padding: 0.7rem 0.9rem;
}

.sync-select-block {
  margin-bottom: 0.9rem;
}

.sync-select-label {
  margin-bottom: 0.35rem;
  color: #355066;
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sync-select-block select.form-control {
  min-height: 48px;
  border-radius: 16px !important;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.sync-compare-btn {
  margin-top: 0.35rem;
  margin-bottom: 0.45rem;
  background: linear-gradient(90deg, #5f4ab4 0%, #8a52c8 100%);
  color: #fff;
  border: 0;
  border-radius: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
  padding: 0.8rem 1rem;
  box-shadow: 0 12px 24px rgba(95, 74, 180, 0.22);
}

.sync-helper-copy {
  margin: 0.25rem 0 0.6rem;
  color: #4c667a;
  font-size: 0.9rem;
}

.sync-sidebar .selectize-dropdown {
  border: 1px solid #d5e3ee !important;
  box-shadow: 0 18px 34px rgba(15, 45, 67, 0.10) !important;
}

.sync-card .card-header {
  background: linear-gradient(90deg, #f4f9fd 0%, #edf8fb 45%, #f7fbff 100%);
  color: #183247;
  font-weight: 700;
}

.sync-col-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.sync-col-badge {
  justify-content: center;
  min-width: 100%;
  padding: 0.48rem 0.7rem;
  font-size: 0.94rem;
}

.sync-col-a {
  background: #fff0e4;
  color: #9a4b17;
  border: 1px solid #f0b07b;
}

.sync-col-b {
  background: #e3f5f7;
  color: #15606a;
  border: 1px solid #7fc8d1;
}

.sync-install-meta {
  margin: 0.45rem 0 0;
  filter: drop-shadow(0 8px 18px rgba(29, 111, 165, 0.08));
}

.sync-button-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 14px;
}

.sync-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 72px;
  border: 1.5px solid #dce8f0;
  border-radius: 14px;
  font-weight: 700;
  color: #183247;
  background: #f8fbfe;
  box-shadow: 0 2px 6px rgba(16, 44, 63, 0.07), 0 1px 2px rgba(16, 44, 63, 0.05);
  transition: box-shadow 0.15s, background 0.15s, transform 0.1s;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.sync-btn::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  border-radius: 14px 14px 0 0;
}

.sync-btn:hover {
  box-shadow: 0 8px 22px rgba(16, 44, 63, 0.14), 0 2px 6px rgba(16, 44, 63, 0.08);
  background: #ffffff;
  color: #183247;
  transform: translateY(-1px);
}

.sync-btn:active {
  transform: translateY(0px);
  box-shadow: 0 2px 6px rgba(16, 44, 63, 0.10);
}

.sync-btn-a { border-color: #f0b07b; }
.sync-btn-b { border-color: #7fc8d1; }
.sync-btn-full { border-color: #c8c0e0; }

.sync-btn-a::before  { background: #d8752a; }
.sync-btn-b::before  { background: #1f8d9b; }
.sync-btn-full::before { background: linear-gradient(90deg, #d8752a 0%, #1f8d9b 100%); }

.sync-btn-a:hover { border-color: #e09050; background: #fffaf5; }
.sync-btn-b:hover { border-color: #50aebb; background: #f3fbfc; }
.sync-btn-full:hover { border-color: #a8a0d0; background: #fafbff; }

.sync-route-label {
  display: block;
  font-size: 0.66rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: #8aa4b8;
  margin-bottom: 7px;
}

.sync-route-row {
  display: flex;
  align-items: center;
  gap: 7px;
}

.sync-route-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.18rem 0.55rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.sync-route-arrow-icon {
  font-size: 1.05rem;
  color: #8aa4b8;
  line-height: 1;
}

#sync-comparison_table table.dataTable thead th {
  background: #f7fafc;
  color: #183247;
  border-bottom: 2px solid #cfdeea;
  box-shadow: inset 0 -1px 0 rgba(24, 50, 71, 0.04);
}

#sync-comparison_table table.dataTable tbody tr {
  background: #ffffff;
}

#sync-comparison_table table.dataTable tbody td:nth-child(2),
#sync-comparison_table table.dataTable tbody tr.odd td:nth-child(2),
#sync-comparison_table table.dataTable tbody tr.even td:nth-child(2) {
  background: rgba(216, 117, 42, 0.08);
}

#sync-comparison_table table.dataTable tbody td:nth-child(3),
#sync-comparison_table table.dataTable tbody tr.odd td:nth-child(3),
#sync-comparison_table table.dataTable tbody tr.even td:nth-child(3) {
  background: rgba(31, 141, 155, 0.08);
}

#sync-comparison_table table.dataTable tbody tr td {
  border-bottom: 1px solid #edf2f6;
}

#sync-comparison_table_wrapper {
  padding-top: 0.2rem;
}

.advanced-pane .card {
  overflow: hidden;
}

.advanced-packages .card-header {
  background: linear-gradient(90deg, #eaf4fd 0%, #f5faff 100%);
  color: #145a90;
}

.advanced-receipt .card-header {
  background: linear-gradient(90deg, #eef9f8 0%, #f7fcfb 100%);
  color: #15606a;
}

.advanced-details .card-header {
  background: linear-gradient(90deg, #fff4e8 0%, #fffaf4 100%);
  color: #9a4b17;
}

.advanced-manifest .card-header {
  background: linear-gradient(90deg, #f1effd 0%, #faf8ff 100%);
  color: #5d49a7;
}

.sync-status {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.18rem 0.62rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.sync-status-same {
  background: #edf4fa;
  color: #355066;
}

.sync-status-missing-from-b,
.sync-status-missing-from-a,
.sync-status-newer-in-a,
.sync-status-newer-in-b {
  background: #fff0e6;
  color: #9a4b17;
}

#sync-comparison_table .form-control {
  border: 1px solid #d4e0ea;
  border-radius: 8px;
  background: #ffffff;
}

#sync-comparison_table_wrapper .dataTables_filter,
#sync-comparison_table_wrapper .dataTables_length,
#sync-comparison_table_wrapper .dataTables_info,
#sync-comparison_table_wrapper .dataTables_paginate {
  margin-top: 0.35rem;
}

#sync-comparison_table .dataTables_info,
#sync-comparison_table .dataTables_length,
#sync-comparison_table .dataTables_filter,
#sync-comparison_table .dataTables_paginate {
  color: #355066;
}

.sync-detecting-msg {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1rem;
  margin-bottom: 0.75rem;
  background: #eef6ff;
  border: 1px solid #c3ddf5;
  border-radius: 12px;
  color: #1d6fa5;
  font-size: 0.9rem;
  font-weight: 600;
}

.sync-detecting-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid #93c4ec;
  border-top-color: #1d6fa5;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

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

.sync-summary-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

.sync-summary-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: 999px;
  padding: 0.22rem 0.7rem;
  font-size: 0.8rem;
  border: 1px solid transparent;
}

.chip-same {
  background: #edf4fa;
  color: #355066;
  border-color: #c8dcea;
}

.chip-diff-a {
  background: #fff4ec;
  color: #9a4b17;
  border-color: #f0b07b;
}

.chip-diff-b {
  background: #e8f9fa;
  color: #15606a;
  border-color: #7fc8d1;
}

/* ── Progress overlay (withProgress) ──────────────────────────────── */
.shiny-progress-container {
  background-color: rgba(18, 40, 60, 0.38) !important;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.shiny-progress {
  position: fixed !important;
  top: 50% !important;
  left: 50% !important;
  transform: translate(-50%, -50%) !important;
  background: #ffffff !important;
  border-radius: 20px !important;
  padding: 2rem 2.5rem !important;
  box-shadow: 0 24px 64px rgba(15, 45, 67, 0.24), 0 4px 16px rgba(15, 45, 67, 0.10) !important;
  border: 1.5px solid #d0e4f0 !important;
  min-width: 300px !important;
  max-width: 420px !important;
  text-align: center;
  z-index: 9999 !important;
}

.shiny-progress .detail {
  font-size: 1rem !important;
  font-weight: 600 !important;
  color: #183247 !important;
  margin-bottom: 0.9rem !important;
  margin-top: 0 !important;
}

.shiny-progress .progress {
  height: 6px !important;
  border-radius: 6px !important;
  background: #edf3f8 !important;
  overflow: hidden !important;
}

.shiny-progress .progress-bar,
.shiny-progress .bar {
  background: linear-gradient(90deg, #5f4ab4 0%, #8a52c8 100%) !important;
  animation: progress-slide 1.4s ease-in-out infinite !important;
  width: 45% !important;
}

@keyframes progress-slide {
  0%   { margin-left: -50%; }
  100% { margin-left: 110%; }
}

/* ── Update module ─────────────────────────────────────────────────── */
.advanced-update-card-a .card-header {
  background: linear-gradient(90deg, #fff0e4 0%, #fffaf4 100%);
  color: #9a4b17;
}

.advanced-update-card-b .card-header {
  background: linear-gradient(90deg, #e3f5f7 0%, #f3fbfc 100%);
  color: #15606a;
}

.update-btn-wrap {
  margin-top: 1.25rem;
}

.update-btn {
  width: 100%;
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  border-radius: 14px;
  border: 1.5px solid;
  font-size: 0.93rem;
  transition: background 0.13s, border-color 0.13s, color 0.13s;
}

.update-btn-a {
  background: #fff4ec;
  border-color: #e09050;
  color: #7a3510;
}
.update-btn-a:hover {
  background: #ffe8d5;
  border-color: #d8752a;
  color: #6a2e0e;
}

.update-btn-b {
  background: #e8f9fa;
  border-color: #50aebb;
  color: #0f5060;
}
.update-btn-b:hover {
  background: #d5f3f6;
  border-color: #1f8d9b;
  color: #0a3e4a;
}

.update-path-badge {
  border-radius: 10px;
  padding: 0.5rem 0.75rem;
  font-size: 0.82rem;
  word-break: break-all;
}

.update-path-badge-a {
  background: #fff6ef;
  border: 1px solid #f0b07b;
  color: #7a3510;
}

.update-path-badge-b {
  background: #edfafb;
  border: 1px solid #7fc8d1;
  color: #0f5060;
}

.update-no-selection {
  color: #7a95a8;
  font-size: 0.9rem;
  font-style: italic;
  margin: 0;
}

.update-modal-warning {
  background: #fff8f0;
  border: 1px solid #f0b07b;
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin-top: 0.75rem;
}

.update-modal-warning-list {
  margin: 0.4rem 0 0.4rem 1rem;
  padding: 0;
  font-size: 0.88rem;
}

.update-modal-warning-pkgs {
  color: #6a5540;
  font-size: 0.82rem;
  font-family: monospace;
  margin: 0.4rem 0 0.25rem;
  word-break: break-word;
}

.update-modal-warning-note {
  color: #7a6550;
  font-size: 0.82rem;
  margin: 0.5rem 0 0;
  font-style: italic;
}

/* ── Packages tab picker ───────────────────────────────────────────── */
.origin-picker-wrap {
  margin-bottom: 1rem;
}

.origin-picker-wrap select.form-control {
  border-radius: 14px !important;
  border: 1px solid #d5e3ee !important;
  background: #ffffff;
  padding: 0.6rem 0.9rem;
}

/* ── Error reporter modal ──────────────────────────────────────────── */
.error-reporter-msg {
  background: #fff3f3;
  border: 1px solid #f5c2c7;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 0.83rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 180px;
  overflow-y: auto;
  color: #721c24;
  margin-bottom: 0.5rem;
}
