:root {
  --primary-bg: #f5f5f5;
  --primary-text: #333;
  --secondary-bg: #fff;
  --secondary-text: #555;
  --accent-color: #4a6fa5;
  --border-radius: 8px;
  --header-footer-bg: #2c3e50;
  --header-footer-text: #ecf0f1;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --success-color-dark: #20c997;
  --warning-color-dark: #ffd54f;
  --danger-color-dark: #ff6b6b;
  --hover-bg: #f0f0f0;
}

[data-theme="dark"] {
  --primary-bg: #121212;
  --primary-text: #f0f0f0;
  --secondary-bg: #1e1e1e;
  --secondary-text: #cccccc;
  --accent-color: #5d8bf4;
  --header-footer-bg: #0d0d0d;
  --header-footer-text: #f0f0f0;
  --hover-bg: #2a2a2a;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: background-color 0.3s, color 0.3s;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--primary-bg);
  color: var(--primary-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header, footer {
  background-color: var(--header-footer-bg);
  color: var(--header-footer-text);
  padding: 1rem 2rem;
  text-align: center;
  position: sticky;
}

header {
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer {
  bottom: 0;
  margin-top: auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.controls {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.theme-toggle, .lang-selector, .settings-toggle {
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius);
  background-color: var(--accent-color);
  color: white;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover, .lang-selector:hover, .settings-toggle:hover {
  opacity: 0.9;
}

.settings-toggle {
  position: relative;
  font-size: 1.2rem;
  width: 2rem;
  height: 2rem;
  color: var(--danger-color);
}

.settings-toggle.success {
  color: var(--success-color);
}

.settings-toggle.warning {
  color: var(--warning-color);
}

[data-theme="dark"] .settings-toggle {
  color: var(--danger-color-dark);
}

[data-theme="dark"] .settings-toggle.success {
  color: var(--success-color-dark);
}

[data-theme="dark"] .settings-toggle.warning {
  color: var(--warning-color-dark);
}

main {
  flex: 1;
  padding: 2rem;
  background-color: var(--secondary-bg);
}

.content {
  background-color: var(--secondary-bg);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Back Button */
.back-button {
  margin-bottom: 1rem;
  padding: 0.5rem 1rem;
  background-color: var(--accent-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 0.9rem;
  transition: opacity 0.2s;
}

.back-button:hover {
  opacity: 0.8;
}

/* Add Field Button */
.add-field-button {
  padding: 0.5rem 1rem;
  background-color: var(--success-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: opacity 0.2s;
}

.add-field-button:hover {
  opacity: 0.8;
}

[data-theme="dark"] .add-field-button {
  background-color: var(--success-color-dark);
}

/* Table Styles */
.table-container {
  max-height: calc(100vh - 250px);
  overflow-y: scroll !important;
  overflow-x: scroll;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  margin: 1rem 0;
  position: relative;
}

/* Force scrollbar visibility */
.table-container::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

.table-container::-webkit-scrollbar-track {
  background: #f1f1f1;
}

.table-container::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 6px;
}

.table-container::-webkit-scrollbar-thumb:hover {
  background: #555;
}

table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--border-radius);
}

th, td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--accent-color);
  white-space: nowrap;
  min-width: 100px;
}

th {
  background-color: var(--accent-color);
  color: white;
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 10;
}

/* Drag & Drop Styles */
th.draggable-header {
  cursor: move;
  user-select: none;
  transition: background-color 0.2s;
}

th.draggable-header:hover {
  background-color: var(--hover-bg);
}

th.drop-zone {
  background-color: #4CAF50;
  border-left: 3px solid #fff;
  border-right: 3px solid #fff;
}

/* Sortable Headers */
th.sortable {
  cursor: pointer;
  user-select: none;
  position: relative;
  padding-right: 2rem;
}

th.sortable:hover {
  opacity: 0.8;
}

.sort-icon {
  position: absolute;
  right: 0.5rem;
  font-size: 0.8rem;
}

/* Clickable Rows */
.clickable-row {
  cursor: pointer;
  transition: background-color 0.2s;
}

.clickable-row:hover {
  background-color: var(--hover-bg);
}

/* Editable Fields */
.editable-field {
  cursor: text;
  position: relative;
}

.editable-field:hover {
  background-color: var(--hover-bg);
  outline: 1px dashed var(--accent-color);
}

.editable-field input {
  border: 2px solid var(--accent-color);
  border-radius: 4px;
  background-color: var(--secondary-bg);
  color: var(--primary-text);
  font-family: inherit;
}

.editable-row {
  transition: background-color 0.2s;
}

tr:nth-child(even) {
  background-color: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.05);
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--secondary-bg);
  padding: 2rem;
  border-radius: var(--border-radius);
  width: 90%;
  max-width: 500px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: bold;
}

.close-modal {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary-text);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group label input[type="checkbox"] {
  margin-right: 0.5rem;
  width: auto;
  cursor: pointer;
}

.form-group input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: var(--border-radius);
  background-color: var(--secondary-bg);
  color: var(--primary-text);
}

.form-group input[type="checkbox"] {
  width: auto;
  padding: 0;
}

.form-group input[type="password"] {
  font-family: monospace;
}

.form-text {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--secondary-text);
  font-style: italic;
}

#baseUrlValue {
  font-family: monospace;
  color: var(--accent-color);
  font-weight: 500;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-top: 1.5rem;
  gap: 0.5rem;
}

.footer-spacer {
  flex: 1;
  margin-right: auto;
}

.btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
}

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

.btn-secondary {
  background-color: #6c757d;
  color: white;
}

.btn-check {
  background-color: var(--accent-color);
  color: white;
}

.btn-check:disabled {
  background-color: #adb5bd;
  cursor: not-allowed;
}

.connection-result {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: var(--border-radius);
  text-align: center;
  font-weight: 500;
}

.connection-result.success {
  background-color: rgba(40, 167, 69, 0.2);
  color: var(--success-color);
}

.connection-result.error {
  background-color: rgba(220, 53, 69, 0.2);
  color: var(--danger-color);
}