/* Bitrix24 Style Theme */
:root {
  /* Bitrix24 Official Colors */
  --bitrix-primary: #2FC6F6;
  --bitrix-primary-dark: #1EB7E8;
  --bitrix-primary-light: #E3F2FD;
  --bitrix-secondary: #525C69;
  --bitrix-secondary-light: #6C757D;
  --bitrix-background: #F5F7F8;
  --bitrix-surface: #FFFFFF;
  --bitrix-border: #D5DBDE;
  --bitrix-text: #333333;
  --bitrix-text-muted: #6C757D;
  --bitrix-success: #9ECF00;
  --bitrix-warning: #FFA900;
  --bitrix-danger: #FF5752;
  --bitrix-shadow: rgba(0, 0, 0, 0.08);
  --bitrix-shadow-hover: rgba(0, 0, 0, 0.12);
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bitrix-background);
  color: var(--bitrix-text);
  line-height: 1.4;
  font-size: 13px;
}

.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 20px;
  background: var(--bitrix-surface);
  min-height: 100vh;
  box-shadow: 0 2px 8px var(--bitrix-shadow);
  border-radius: 8px;
}

.app-header {
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--bitrix-primary);
}

.app-header h1 {
  margin: 0 0 8px 0;
  font-size: 24px;
  font-weight: 600;
  color: var(--bitrix-text);
  letter-spacing: -0.3px;
}

.subtitle {
  margin: 0;
  color: var(--bitrix-text-muted);
  font-size: 13px;
  font-weight: 400;
}

/* Tabs - Bitrix24 Style */
.tabs {
  border: 1px solid var(--bitrix-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px var(--bitrix-shadow);
  background: var(--bitrix-surface);
}

.tab-list {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  padding: 0;
  background: var(--bitrix-background);
  border-bottom: 1px solid var(--bitrix-border);
}

.tab-button {
  padding: 10px 18px;
  border: none;
  border-right: 1px solid var(--bitrix-border);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--bitrix-text-muted);
  transition: all 0.2s ease;
  position: relative;
  font-family: inherit;
}

.tab-button:last-child {
  border-right: none;
}

.tab-button:hover {
  background: var(--bitrix-primary-light);
  color: var(--bitrix-text);
}

.tab-button[aria-selected="true"] {
  background: var(--bitrix-surface);
  color: var(--bitrix-primary);
  font-weight: 600;
  border-bottom: 2px solid var(--bitrix-primary);
}

.tab-panels {
  padding: 16px;
  background: var(--bitrix-surface);
}

.panel {
  display: none;
}

.panel[aria-hidden="false"] {
  display: block;
}

/* Table - Bitrix24 Style */
.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  background: var(--bitrix-surface);
  border-radius: 6px;
  overflow: hidden;
}

.table th,
.table td {
  border-bottom: 1px solid var(--bitrix-border);
  text-align: left;
  padding: 8px 10px;
  vertical-align: middle;
  font-size: 13px;
}

.table th {
  background: var(--bitrix-background);
  font-weight: 600;
  color: var(--bitrix-text);
  position: sticky;
  top: 0;
  z-index: 10;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.3px;
  color: var(--bitrix-text-muted);
  text-align: center;
}

.table tr:hover {
  background: var(--bitrix-primary-light);
}

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

.row-highlight {
  animation: rowFlash 2s ease 1;
}

@keyframes rowFlash {
  0% {
    background: var(--bitrix-primary-light);
  }
  100% {
    background: transparent;
  }
}

.table td:first-child {
  font-weight: 500;
  color: var(--bitrix-text);
}

/* Field code column - only code, no type */
.table td:nth-child(2) {
  font-family: 'Courier New', 'Consolas', monospace;
  background: rgba(47, 198, 246, 0.08);
  color: var(--bitrix-text);
  font-size: 11px;
  border-radius: 4px;
  padding: 4px 8px;
  white-space: nowrap;
  text-align: center;
}

/* Field type column - same styling as code column */
.table td:nth-child(3) {
  font-family: 'Courier New', 'Consolas', monospace;
  background: rgba(47, 198, 246, 0.08);
  color: var(--bitrix-text);
  font-size: 11px;
  border-radius: 4px;
  padding: 4px 8px;
  white-space: nowrap;
  vertical-align: middle;
  text-align: center;
}

.muted {
  color: var(--bitrix-text-muted);
}

/* Loader & Error */
.loader {
  margin-top: 20px;
  text-align: center;
  color: var(--bitrix-primary);
  font-size: 16px;
  padding: 20px;
}

.error {
  margin-top: 20px;
  padding: 16px 20px;
  background: #FFF5F5;
  color: var(--bitrix-danger);
  border: 1px solid #FFE0E0;
  border-radius: 8px;
  border-left: 4px solid var(--bitrix-danger);
}

/* Buttons - Bitrix24 Style */
.btn {
  padding: 6px 12px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  transition: all 0.2s ease;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-primary {
  background: var(--bitrix-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: var(--bitrix-primary-dark);
  box-shadow: 0 2px 8px rgba(47, 198, 246, 0.3);
}

.btn-secondary {
  background: var(--bitrix-secondary-light);
  color: #FFFFFF;
}

.btn-secondary:hover {
  background: var(--bitrix-secondary);
  box-shadow: 0 2px 8px rgba(82, 92, 105, 0.2);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

/* Comment Cell */
.comment-cell {
  position: relative;
  min-width: 200px;
}

.comment-input {
  width: 100%;
  border: 1px solid var(--bitrix-border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 12px;
  background: var(--bitrix-surface);
  transition: all 0.2s ease;
  resize: vertical;
  min-height: 36px;
  font-family: inherit;
}

.comment-input:focus {
  outline: none;
  border-color: var(--bitrix-primary);
  box-shadow: 0 0 0 3px var(--bitrix-primary-light);
}

.comment-display {
  cursor: pointer;
  padding: 8px 10px;
  border-radius: 6px;
  transition: all 0.2s ease;
  min-height: 36px;
  display: flex;
  align-items: center;
  border: 1px solid transparent;
  font-size: 12px;
}

.comment-display:hover {
  background: var(--bitrix-primary-light);
  border-color: var(--bitrix-primary);
}

.comment-display.empty {
  color: var(--bitrix-text-muted);
  font-style: italic;
}

.comment-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.save-indicator {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bitrix-success);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.save-indicator.show {
  opacity: 1;
}

/* Progress Bar */
.progress {
  width: 100%;
  height: 6px;
  background: var(--bitrix-border);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 12px;
  display: none;
}

.progress.show {
  display: block;
}

.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--bitrix-primary), var(--bitrix-primary-dark));
  transition: width 0.3s ease;
  position: relative;
}

.progress-label {
  position: absolute;
  top: -22px;
  right: 0;
  font-size: 12px;
  color: var(--bitrix-text-muted);
}

/* Field Type */
.field-type {
  font-size: 11px;
  color: var(--bitrix-text-muted);
  font-style: italic;
  background: var(--bitrix-background);
  padding: 3px 6px;
  border-radius: 4px;
  display: inline-block;
}

/* Action Buttons */
.action-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.action-buttons .btn {
  margin: 0;
}

/* Modal - Bitrix24 Style */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(2px);
}

.modal-content {
  background: var(--bitrix-surface);
  border-radius: 12px;
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--bitrix-border);
  background: var(--bitrix-background);
}

.modal-header h3 {
  margin: 0;
  color: var(--bitrix-text);
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--bitrix-text-muted);
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.modal-close:hover {
  color: var(--bitrix-text);
  background: var(--bitrix-border);
}

.modal-body {
  padding: 24px;
  max-height: 60vh;
  overflow-y: auto;
}

.modal-body ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.modal-body li {
  padding: 12px;
  border-bottom: 1px solid var(--bitrix-border);
  font-size: 14px;
}

.modal-body li:last-child {
  border-bottom: none;
}

/* Usage & Statistics Modals */
.usage-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--bitrix-border);
  border-radius: 8px;
  margin-bottom: 12px;
  background: var(--bitrix-surface);
  transition: all 0.2s ease;
}

.usage-item:hover {
  box-shadow: 0 2px 8px var(--bitrix-shadow);
  border-color: var(--bitrix-primary);
}

.usage-item strong {
  color: var(--bitrix-text);
  font-weight: 600;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-item label {
  font-weight: 600;
  color: var(--bitrix-text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-item span {
  color: var(--bitrix-text);
  font-size: 16px;
  padding: 12px;
  background: var(--bitrix-background);
  border-radius: 6px;
  border: 1px solid var(--bitrix-border);
}

/* Footer */
.app-footer {
  margin-top: 48px;
  padding: 24px 0;
  border-top: 1px solid var(--bitrix-border);
  text-align: center;
  color: var(--bitrix-text-muted);
  font-size: 13px;
}

.app-footer p {
  margin: 0;
}

.app-footer a {
  color: var(--bitrix-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.app-footer a:hover {
  color: var(--bitrix-primary-dark);
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 720px) {
  .app-container {
    padding: 16px;
  }

  .app-header h1 {
    font-size: 24px;
  }

  .tab-list {
    flex-direction: column;
  }

  .tab-button {
    border-right: none;
    border-bottom: 1px solid var(--bitrix-border);
    width: 100%;
  }

  .tab-button:last-child {
    border-bottom: none;
  }

  .tab-panels {
    padding: 16px;
  }

  .table {
    font-size: 12px;
  }

  .table th,
  .table td {
    padding: 10px 8px;
    font-size: 12px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .modal-content {
    margin: 10px;
  }

  .action-buttons {
    flex-direction: column;
  }

  .app-footer {
    font-size: 12px;
    padding: 16px 0;
  }
}

/* Bitrix24 specific enhancements */
.entity-badge {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--bitrix-primary);
  border-radius: 12px;
  font-size: 11px;
  background: var(--bitrix-primary-light);
  color: var(--bitrix-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Search input styling */
input[type="search"] {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--bitrix-border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: var(--bitrix-surface);
  transition: all 0.2s ease;
}

input[type="search"]:focus {
  outline: none;
  border-color: var(--bitrix-primary);
  box-shadow: 0 0 0 3px var(--bitrix-primary-light);
}

/* Scrollbar styling */
.modal-body::-webkit-scrollbar,
.table::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.modal-body::-webkit-scrollbar-track,
.table::-webkit-scrollbar-track {
  background: var(--bitrix-background);
}

.modal-body::-webkit-scrollbar-thumb,
.table::-webkit-scrollbar-thumb {
  background: var(--bitrix-border);
  border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover,
.table::-webkit-scrollbar-thumb:hover {
  background: var(--bitrix-text-muted);
}