.form-group{margin-bottom:1.5rem}@media (max-width:768px){.form-container{padding:1.5rem}}.search-form{display:flex;gap:1rem}.page{max-width:1000px;margin:2.5rem auto;padding:0 1.5rem}.item-list{display:grid;grid-template-columns:repeat(3,minmax(0,300px));gap:1rem;justify-content:center;margin-top:1rem}#portlet_container{max-width:1200px;margin:0 auto;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}.keys-grid{display:grid;grid-template-columns:repeat(2,1 fr);gap:1rem}.key-item:last-child:nth-child(odd){grid-column:1/-1;width:50%;margin:0 auto}.key-name{font-weight:500}.button-row{margin-top:2rem;display:flex;gap:1rem;justify-content:flex-end}.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px)}@keyframes slideIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.page{animation:slideIn 0.5s ease-out}@media (max-width:992px){.item-list{grid-template-columns:repeat(2,minmax(0,300px))}}@media (max-width:768px){.page{padding:0 1rem}#contentContainer,#tableInputContainer,#xqueryInputContainer{padding:1.5rem}.keys-wrapper{padding:1.5rem}.keys-grid{grid-template-columns:1 fr}.key-item:last-child:nth-child(odd){width:100%}}@media (max-width:576px){.item-list{grid-template-columns:minmax(0,300px)}.button-row{flex-direction:column}.btn{width:100%;text-align:center}}:root {
  --primary-color: #0B5FFF;
  --primary-light: #e9ecff;
  --success-color: #28a745;
  --border-color: #e9ecef;
  --text-primary: #272833;
  --text-secondary: #6B6C7E;
  --background-light: #f8f9fa;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-primary);
  line-height: 1.5;
  background-color: var(--background-light);
  margin: 0;
  padding: 0;
}

.form-container {
  max-width: 800px;
  margin: 2rem auto;
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

.view-main-container {
  max-width: 1000px;
  margin: 2rem auto;
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
  .form-container {
    padding: 1.5rem;
  }
}
.search-form {
  display: flex;
  gap: 1rem;
}

.search-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 1rem;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(11, 95, 255, 0.1);
}

table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border-color);
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: var(--background-light);
  font-weight: 600;
  color: var(--text-primary);
}

tr:hover {
  background-color: var(--background-light);
}

/* ---------- Page layout ---------- */
.page {
  max-width: 1000px;
  margin: 2.5rem auto;
  padding: 0 1.5rem;
}

/* ---------- Column selection area ---------- */
.column-selection {
  background: var(--background-light);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.column-selection:hover {
  box-shadow: var(--shadow-md);
}

.item-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 300px));
  gap: 1rem;
  justify-content: center;
  margin-top: 1rem;
}

.item {
  margin-bottom: 0.75rem;
  background: white;
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: var(--primary-color);
}

.item label {
  display: flex;
  align-items: center;
  color: var(--text-primary);
  font-size: 0.95rem;
  cursor: pointer;
}

.item input[type=checkbox] {
  margin-right: 0.75rem;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.item input[type=checkbox]:checked {
  border-color: var(--primary-color);
  background-color: var(--primary-color);
}

/* ---------- Select dropdown styling ---------- */
select {
  width: 100%;
  max-width: 300px;
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background-color: white;
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
  cursor: pointer;
  appearance: none;
  background-repeat: no-repeat;
  background-position: right 0.7rem top 50%;
  background-size: 0.65rem auto;
}

select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(11, 95, 255, 0.1);
  outline: none;
}

/* ---------- Content container ---------- */
#portlet_container {
  max-width: 1200px;
  margin: 0 auto;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

#contentContainer {
  background: white;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  padding: 2rem;
  margin: 1.5rem 0;
}

/* ---------- Table input container ---------- */
#tableInputContainer {
  background: var(--background-light);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

#tableInputContainer:hover {
  box-shadow: var(--shadow-sm);
}

#tableInputContainer input[type=number] {
  width: 100%;
  max-width: 200px;
  padding: 0.875rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  transition: var(--transition);
}

#tableInputContainer input[type=number]:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(11, 95, 255, 0.1);
  outline: none;
}

/* ---------- XQuery input container ---------- */
#xqueryInputContainer {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

#xqueryInputContainer:hover {
  box-shadow: var(--shadow-sm);
}

.editor-container {
  margin-bottom: 2rem;
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid var(--border-color);
  transition: var(--transition);
}

.editor-container:focus-within {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(11, 95, 255, 0.1);
}

/* ---------- Keys section ---------- */
.keys-wrapper {
  background: var(--background-light);
  border-radius: 12px;
  padding: 2rem;
  margin-top: 2rem;
  border: 1px solid var(--border-color);
}

.keys-wrapper h2 {
  color: var(--text-primary);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
  text-align: center;
}

.keys-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.key-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: white;
  padding: 1rem 1.25rem;
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.key-item:last-child:nth-child(odd) {
  grid-column: 1/-1;
  width: 50%;
  margin: 0 auto;
}

.key-item:hover {
  border-color: var(--primary-color);
  transform: translateX(5px);
  box-shadow: var(--shadow-sm);
}

.key-name {
  font-weight: 500;
}

.key-value {
  color: var(--text-secondary);
}

/* ---------- Button row ---------- */
.button-row {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
  border: none;
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-secondary {
  background: white;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* ---------- Animations ---------- */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.page {
  animation: slideIn 0.5s ease-out;
}

/* ---------- Responsive design ---------- */
@media (max-width: 992px) {
  .item-list {
    grid-template-columns: repeat(2, minmax(0, 300px));
  }
}
@media (max-width: 768px) {
  .page {
    padding: 0 1rem;
  }
  #contentContainer,
  #tableInputContainer,
  #xqueryInputContainer {
    padding: 1.5rem;
  }
  .keys-wrapper {
    padding: 1.5rem;
  }
  .keys-grid {
    grid-template-columns: 1fr;
  }
  .key-item:last-child:nth-child(odd) {
    width: 100%;
  }
}
@media (max-width: 576px) {
  .item-list {
    grid-template-columns: minmax(0, 300px);
  }
  .button-row {
    flex-direction: column;
  }
  .btn {
    width: 100%;
    text-align: center;
  }
}