/* ============================================================
   HES Data Warehouse SPA - Shared Styles
   WinUI3-inspired design with orange accent
   ============================================================ */

/* ------------------------------------------------------------
   1. CSS Variables - Light Theme (default) & Dark Theme
   ------------------------------------------------------------ */
:root {
  --accent: #F7630C;
  --bg-primary: #F3F3F3;
  --bg-secondary: #FFF;
  --bg-tertiary: #FAFAFA;
  --text-primary: #1B1B1B;
  --text-secondary: #4A4A4A;
  --text-tertiary: #5A5A5A;
  --border: #DEDEDE;
  --shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  --row-hover: #FFF8F3;
  --null-color: #6B6B6B;
  --error-bg: #FDE7E9;
  --error-border: #F1BBBC;
  --error-text: #C42B1C;
}

[data-theme="dark"] {
  --accent: #FF8C42;
  --bg-primary: #141414;
  --bg-secondary: #1E1E1E;
  --bg-tertiary: #2A2A2A;
  --text-primary: #F5F5F5;
  --text-secondary: #CCC;
  --text-tertiary: #B0B0B0;
  --border: #444;
  --shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
  --row-hover: #2D2318;
  --null-color: #A0A0A0;
  --error-bg: #3B1F1F;
  --error-border: #6C3333;
  --error-text: #FFAAAA;
}

/* ------------------------------------------------------------
   2. Base
   ------------------------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI Variable', 'Segoe UI', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  margin: 0;
  padding: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus visible styles for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ------------------------------------------------------------
   3. App Bar
   ------------------------------------------------------------ */
.app-bar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 8px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.app-bar-title {
  font-size: 18px;
  font-weight: bold;
  color: var(--text-primary);
}

.app-bar-spacer {
  flex: 1;
}

.icon-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 16px;
}

.icon-btn:hover {
  background: var(--bg-tertiary);
}

.nav-btn {
  font-size: 14px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  border-radius: 3px;
  cursor: pointer;
  color: var(--text-primary);
  margin-left: 6px;
}

.nav-btn.nav-active {
  background: var(--accent);
  color: #FFF;
  border-color: var(--accent);
}

/* ------------------------------------------------------------
   4. Content Wrapper
   ------------------------------------------------------------ */
.content-wrapper {
  display: flex;
  flex-direction: row;
  flex: 1;
  overflow: hidden;
}

.main-content {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* ------------------------------------------------------------
   5. Controls Bar
   ------------------------------------------------------------ */
.controls-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 10px;
  padding: 14px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  border-radius: 0;
}

.control-group {
  display: flex;
  flex-direction: column;
}

.control-group label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.control-group input,
.control-group select {
  font-size: 16px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.btn {
  font-size: 16px;
  padding: 8px 16px;
  background: var(--accent);
  color: #FFF;
  border: none;
  border-radius: 3px;
  cursor: pointer;
}

.btn:hover {
  opacity: 0.9;
}

/* ------------------------------------------------------------
   6. Deployment Cards
   ------------------------------------------------------------ */
.deployment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0;
}

.deployment-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 0;
  border-left: 3px solid var(--accent);
  padding: 14px 16px;
}

.deployment-card .title {
  font-size: 16px;
  font-weight: bold;
  color: var(--text-primary);
}

.deployment-card .subtitle {
  font-size: 16px;
  color: var(--text-secondary);
}

.deployment-card .meta {
  font-size: 14px;
  color: var(--text-tertiary);
}

/* ------------------------------------------------------------
   7. Table Tabs
   ------------------------------------------------------------ */
.tab-section {
  margin-bottom: 6px;
}

.tab-section:first-of-type {
  margin-top: 16px;
}

.tab-section-label {
  font-size: 14px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

.tab {
  font-size: 16px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  display: inline-block;
  margin-right: 4px;
  margin-bottom: 4px;
}

.tab.active {
  background: var(--accent);
  color: #FFF;
  border-color: var(--accent);
}

/* ------------------------------------------------------------
   8. Stats Bar
   ------------------------------------------------------------ */
.stats-bar {
  display: flex;
  gap: 16px;
  font-size: 16px;
  background: var(--row-hover);
  padding: 10px 14px;
  border-radius: 3px;
  color: var(--text-secondary);
}

.stats-bar .count {
  font-weight: bold;
  color: var(--accent);
}

/* ------------------------------------------------------------
   9. Data Table
   ------------------------------------------------------------ */
.table-container {
  overflow-x: auto;
  max-height: 560px;
  overflow-y: auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.table-container table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}

.table-container th {
  font-size: 14px;
  text-transform: uppercase;
  position: sticky;
  top: 0;
  background: var(--bg-tertiary);
  color: var(--text-tertiary);
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.table-container td {
  font-size: 16px;
  padding: 8px 12px;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

.table-container tr:hover {
  background: var(--row-hover);
}

.table-container td.null-value {
  color: var(--null-color);
  font-style: italic;
}

/* ------------------------------------------------------------
   10. Pagination
   ------------------------------------------------------------ */
.pagination {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 10px 14px;
}

.pagination button {
  font-size: 16px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
}

.pagination button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ------------------------------------------------------------
   11. Chat Panel
   ------------------------------------------------------------ */
.chat-panel {
  width: 380px;
  min-width: 280px;
  max-width: 80vw;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: relative;
}

.chat-panel.hidden {
  display: none;
}

.chat-panel.fullscreen {
  position: fixed;
  inset: 0;
  z-index: 200;
  width: 100%;
  max-width: 100%;
  border-left: none;
}

.chat-resize-handle {
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  cursor: col-resize;
  z-index: 10;
}

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

.chat-header {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-weight: bold;
  font-size: 16px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-msg {
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 14px;
  line-height: 1.5;
  max-width: 90%;
}

.chat-msg.user {
  background: var(--accent);
  color: #FFF;
  align-self: flex-end;
}

.chat-msg.assistant {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  align-self: flex-start;
}

.chat-msg pre {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px;
  overflow-x: auto;
  font-size: 14px;
  margin: 8px 0;
}

.chat-msg .run-btn {
  font-size: 14px;
  padding: 4px 10px;
  background: var(--accent);
  color: #FFF;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  margin-top: 6px;
}

.chat-msg .result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-top: 8px;
}

.chat-msg .result-table th,
.chat-msg .result-table td {
  padding: 4px 8px;
  border: 1px solid var(--border);
  text-align: left;
}

.chat-msg .chart-container {
  width: 100%;
  margin-top: 10px;
  border-radius: 4px;
  overflow: hidden;
}

.chat-input-area {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  gap: 8px;
}

.chat-input-area input,
.chat-input-area textarea {
  flex: 1;
  font-size: 16px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-primary);
  color: var(--text-primary);
  resize: none;
}

.chat-input-area button {
  font-size: 16px;
  padding: 8px 14px;
  background: var(--accent);
  color: #FFF;
  border: none;
  border-radius: 3px;
  cursor: pointer;
}

.deployment-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
}

.deployment-checkboxes label {
  font-size: 14px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.deployment-checkboxes label.selected {
  background: var(--accent);
  color: #FFF;
  border-color: var(--accent);
}

/* ------------------------------------------------------------
   12. Status States
   ------------------------------------------------------------ */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-tertiary);
}

.error {
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error-text);
  padding: 12px 16px;
  border-radius: 4px;
  margin: 14px;
}

.empty {
  text-align: center;
  padding: 40px;
  color: var(--text-tertiary);
}

/* ------------------------------------------------------------
   13. Date Controls
   ------------------------------------------------------------ */
.date-controls.hidden-dates {
  display: none;
}

/* ------------------------------------------------------------
   14. Analytics-Specific
   ------------------------------------------------------------ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  padding: 14px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 14px 16px;
  border-radius: 4px;
}

.stat-card .stat-value {
  font-size: 24px;
  font-weight: bold;
  color: var(--accent);
}

.stat-card .stat-label {
  font-size: 14px;
  color: var(--text-tertiary);
}

.chart-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px;
  margin: 14px;
}

.analytics-tabs {
  display: flex;
  gap: 6px;
  padding: 14px;
  border-bottom: 1px solid var(--border);
}

.analytics-tabs .tab {
  font-size: 16px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
}

.analytics-tabs .tab.active {
  background: var(--accent);
  color: #FFF;
  border-color: var(--accent);
}

/* Analytics tab content panels */
.analytics-tab-content {
  display: block;
}

.analytics-tab-content.hidden {
  display: none;
}

.chart-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 10px;
}

/* Admin-only developer remark panel */
.admin-remark {
  margin: 14px;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  font-size: 14px;
  color: var(--text-secondary);
}

.admin-remark.hidden {
  display: none;
}

.admin-remark-header {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 6px;
}

.admin-remark-body p {
  margin: 4px 0;
}

.admin-remark-body ul {
  margin: 4px 0 4px 18px;
  padding: 0;
}

.admin-remark-body li {
  margin: 2px 0;
}

.admin-remark-body code {
  font-size: 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 4px;
  font-family: 'Cascadia Code', 'Fira Code', monospace;
}

/* ------------------------------------------------------------
   15. Load Button States
   ------------------------------------------------------------ */
.btn-load {
  background: #888;
}

.btn-load.btn-stale {
  background: var(--accent);
}

/* ------------------------------------------------------------
   16. S3 Tree View
   ------------------------------------------------------------ */
.s3-tree {
  font-size: 15px;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
}

.s3-folder {
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.s3-folder:hover {
  background: var(--row-hover);
}

.s3-toggle {
  font-size: 14px;
  width: 16px;
  text-align: center;
  cursor: pointer;
  color: var(--text-tertiary);
  user-select: none;
}

.s3-folder-icon {
  font-size: 16px;
}

.s3-folder-name {
  font-weight: 600;
  color: var(--text-primary);
}

.s3-folder-count {
  font-size: 14px;
  color: var(--text-tertiary);
  font-weight: normal;
}

.s3-children {
  /* shown by default, collapseAll hides them */
}

.s3-file {
  padding: 3px 0;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
}

.s3-file:hover {
  background: var(--row-hover);
}

.s3-file-icon {
  font-size: 14px;
}

.s3-file-name {
  color: var(--text-primary);
}

.s3-file-size {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-left: auto;
}

.s3-file-clickable {
  cursor: pointer;
}

.s3-file-clickable:hover .s3-file-name {
  color: var(--accent);
  text-decoration: underline;
}

/* ------------------------------------------------------------
   17. User Chip (app bar)
   ------------------------------------------------------------ */
.user-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 4px 0 8px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-tertiary);
  height: 44px;
}

.user-chip.hidden {
  display: none;
}

.user-chip-icon {
  font-size: 18px;
  color: var(--accent);
}

.user-chip-email {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ------------------------------------------------------------
   18. Login / Auth styles
   ------------------------------------------------------------ */
.login-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 58px);
  padding: 40px 16px;
}

.login-panel.hidden {
  display: none;
}

.login-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 36px 40px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow);
}

.login-logo {
  text-align: center;
  margin-bottom: 28px;
}

.login-title {
  font-size: 20px;
  font-weight: 700;
  margin: 8px 0 4px;
  color: var(--text-primary);
}

.login-subtitle {
  font-size: 14px;
  color: var(--text-tertiary);
  margin: 0;
}

.login-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.login-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.login-input {
  font-size: 15px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-primary);
  color: var(--text-primary);
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
}

.login-input:focus {
  border-color: var(--accent);
}

.login-btn {
  width: 100%;
  padding: 11px 16px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

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

.btn-primary:hover {
  opacity: 0.9;
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border) !important;
}

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

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}

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

.login-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 14px;
  margin: 16px 0;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border);
}

.login-divider span {
  padding: 0 10px;
}

.login-msg {
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 4px;
  margin-top: 2px;
}

.login-msg.hidden {
  display: none;
}

.login-msg-ok {
  background: #EAF7EA;
  color: #1A7A1A;
  border: 1px solid #B7E0B7;
}

.login-msg-error {
  background: var(--error-bg);
  color: var(--error-text);
  border: 1px solid var(--error-border);
}

[data-theme="dark"] .login-msg-ok {
  background: #1A3A1A;
  color: #7FD97F;
  border-color: #2D5A2D;
}

/* PIN boxes */
.pin-row {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 4px 0;
}

.pin-box {
  width: 56px;
  height: 60px;
  font-size: 24px;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s;
  caret-color: transparent;
}

.pin-box:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(247, 99, 12, 0.2);
}

/* ------------------------------------------------------------
   19. Users Management Table
   ------------------------------------------------------------ */
.users-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 12px;
}

.users-heading {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}

.add-user-form {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 24px 16px;
}

.add-user-form.hidden {
  display: none;
}

.users-table-wrap {
  padding: 0 24px 24px;
  overflow-x: auto;
}

.users-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.users-table th {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--bg-tertiary);
  color: var(--text-tertiary);
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.users-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}

.users-table tr:last-child td {
  border-bottom: none;
}

.users-table tr:hover td {
  background: var(--row-hover);
}

.users-email {
  font-weight: 500;
}

.users-date {
  font-size: 14px;
  color: var(--text-tertiary);
  white-space: nowrap;
}

.users-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

.users-empty {
  text-align: center;
  padding: 32px;
  color: var(--text-tertiary);
}

.error-text {
  color: var(--error-text);
}

/* Status badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
}

.status-active {
  background: #EAF7EA;
  color: #1A7A1A;
}

.status-inactive {
  background: var(--bg-tertiary);
  color: var(--text-tertiary);
}

[data-theme="dark"] .status-active {
  background: #1A3A1A;
  color: #7FD97F;
}

/* XS buttons for table actions */
.btn-xs {
  font-size: 14px;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.btn-xs .material-icons {
  font-size: 15px;
}

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

.btn-danger {
  border-color: var(--error-border);
  color: var(--error-text);
  background: var(--error-bg);
}

.btn-danger:hover {
  background: var(--error-text);
  color: #FFF;
  border-color: var(--error-text);
}

/* Self panel (non-admin signed-in view) */
.self-panel {
  text-align: center;
  padding: 60px 24px;
}

.self-email {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 8px;
}

.self-hint {
  font-size: 15px;
  color: var(--text-tertiary);
  margin: 0;
}

/* ------------------------------------------------------------
   20. Auth banner (session expired / 401)
   ------------------------------------------------------------ */
.auth-banner {
  position: fixed;
  top: 58px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  background: var(--accent);
  color: #FFF;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: opacity 0.3s, transform 0.3s;
}

.auth-banner.hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(-10px);
  pointer-events: none;
}

/* ------------------------------------------------------------
   21. Login overlay (full-screen, over all content)
   ------------------------------------------------------------ */
.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.login-overlay.hidden {
  display: none;
}

/* ------------------------------------------------------------
   22. S3 Files page layout
   ------------------------------------------------------------ */

/* Page root fills the .main-content area */
.s3-page {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

/* Sticky action bar — sticks below the app bar */
.s3-action-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.s3-file-count {
  margin-left: auto;
  font-size: 14px;
  color: var(--text-tertiary);
}

/* Two-panel body — fills remaining height, each panel scrolls independently */
.s3-body {
  display: flex;
  flex: 1;
  min-height: 0;       /* essential: lets flex children shrink below content size */
  overflow: hidden;
}

.s3-panel-tree {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  overflow-x: auto;
  padding: 14px 16px;
}

.s3-panel-preview {
  width: 50%;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border);
  min-height: 0;
}

.s3-panel-preview.hidden {
  display: none;
}

/* Preview header — sticky within the right panel */
.s3-preview-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.s3-preview-title {
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
}

.s3-preview-key {
  flex: 1;
  font-size: 14px;
  color: var(--text-tertiary);
  word-break: break-all;
  font-family: 'Cascadia Code', 'Fira Code', monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.s3-preview-close {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Scrollable preview content */
.s3-preview-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
  padding: 14px 16px;
}

/* ------------------------------------------------------------
   23. S3 download buttons & folder row
   ------------------------------------------------------------ */

/* Preview header: right-side action cluster */
.s3-preview-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  flex-shrink: 0;
}

.s3-dl-group {
  display: flex;
  gap: 4px;
  padding-right: 8px;
  border-right: 1px solid var(--border);
  margin-right: 2px;
}

.s3-dl-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  padding: 5px 10px;
}

.s3-dl-btn .material-icons {
  font-size: 15px;
}

/* Folder row — flex layout, download buttons shown on hover */
.s3-folder-row {
  display: flex;
  align-items: center;
  padding-top: 3px;
  padding-bottom: 3px;
  border-radius: 3px;
  gap: 4px;
}

.s3-folder-row:hover {
  background: var(--row-hover);
}

.s3-folder-actions {
  display: none;
  align-items: center;
  gap: 4px;
  margin-left: 6px;
}

.s3-folder-row:hover .s3-folder-actions {
  display: flex;
}

.s3-folder-dl {
  font-size: 14px;
  padding: 3px 8px;
  display: flex;
  align-items: center;
  gap: 3px;
}

.s3-folder-dl .material-icons {
  font-size: 14px;
}

/* Preview row-count line */
.s3-preview-meta {
  font-size: 14px;
  color: var(--text-tertiary);
  margin: 0 0 10px;
}

/* Spin animation for folder download loading state */
@keyframes s3-spin {
  to { transform: rotate(360deg); }
}

.s3-spin {
  display: inline-block;
  animation: s3-spin 0.7s linear infinite;
  vertical-align: -3px;
}

/* ------------------------------------------------------------
   Tree-Select Multi-Select Dropdown (Group & Site filter)
   ------------------------------------------------------------ */
.tree-select {
  position: relative;
  min-width: 140px;
}

.tree-select-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 36px;
  padding: 6px 10px;
  font-size: 16px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  gap: 8px;
  user-select: none;
}

.tree-select-trigger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.tree-select-trigger .ts-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tree-select-trigger .ts-arrow {
  font-size: 18px;
  color: var(--text-secondary);
  transition: transform 0.15s ease;
}

.tree-select.open .ts-arrow {
  transform: rotate(180deg);
}

@media (prefers-reduced-motion: reduce) {
  .tree-select-trigger .ts-arrow {
    transition: none;
  }
}

.tree-select-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  min-width: 260px;
  max-height: 70vh;
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 3px;
  box-shadow: var(--shadow);
  z-index: 200;
  flex-direction: column;
}

.tree-select.open .tree-select-dropdown {
  display: flex;
}

/* Select All / Deselect All action bar */
.ts-actions {
  display: flex;
  gap: 6px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.ts-action-btn {
  font-size: 14px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  cursor: pointer;
}

.ts-action-btn:hover {
  background: var(--row-hover);
}

.ts-action-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Scrollable tree content area */
.ts-tree-content {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
}

/* Group header row */
.ts-group {
  padding: 0;
}

.ts-group-header {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 4px 10px;
  cursor: pointer;
  gap: 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.ts-group-header:hover {
  background: var(--row-hover);
}

.ts-group-header:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.ts-group-toggle {
  font-size: 18px;
  color: var(--text-secondary);
  transition: transform 0.15s ease;
  flex-shrink: 0;
}

@media (prefers-reduced-motion: reduce) {
  .ts-group-toggle {
    transition: none;
  }
}

.ts-group.collapsed .ts-group-toggle {
  transform: rotate(-90deg);
}

.ts-group.collapsed .ts-group-sites {
  display: none;
}

/* Checkbox styles */
.ts-checkbox {
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

/* Site item row */
.ts-site {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 4px 10px 4px 36px;
  cursor: pointer;
  gap: 6px;
  font-size: 16px;
  color: var(--text-primary);
}

.ts-site:hover {
  background: var(--row-hover);
}

.ts-site:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

/* Badge showing selected count */
.ts-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 11px;
  background: var(--accent);
  color: #FFF;
}

/* Loading/empty states inside dropdown */
.ts-loading,
.ts-empty {
  padding: 12px 14px;
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
}

/* ------------------------------------------------------------
   Date Range Inputs
   ------------------------------------------------------------ */
.control-group input[type="date"] {
  font-size: 16px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  height: 36px;
}

.control-group input[type="date"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ------------------------------------------------------------
   Transmission Device — Canvas Tooltip
   ------------------------------------------------------------ */
.td-tooltip {
  display: none;
  position: absolute;
  pointer-events: none;
  padding: 8px 12px;
  font-size: 14px;
  line-height: 1.5;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 3px;
  box-shadow: var(--shadow);
  color: var(--text-primary);
  z-index: 300;
  max-width: 280px;
  white-space: nowrap;
}

/* Cancel button (replaces Load during active query) */
.btn-cancel {
  font-size: 16px;
  padding: 8px 16px;
  background: var(--error-text);
  color: #FFF;
  border: none;
  border-radius: 3px;
  cursor: pointer;
}

.btn-cancel:hover {
  opacity: 0.9;
}

.btn-cancel:focus-visible {
  outline: 2px solid var(--error-text);
  outline-offset: 2px;
}