@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;600;700&family=Google+Sans:wght@400;500;700&display=swap');
@import url('https://fonts.googleapis.com/icon?family=Material+Icons');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Material Design - Professional Blue Theme */
  --primary-blue: #1976D2;
  --primary-blue-dark: #1565C0;
  --primary-blue-light: #42A5F5;
  --primary-blue-50: #E3F2FD;
  --primary-blue-100: #BBDEFB;
  
  --accent-blue: #2196F3;
  --accent-blue-light: #64B5F6;
  
  --bg-primary: #FFFFFF;
  --bg-secondary: #F5F7FA;
  --bg-tertiary: #FAFBFC;
  --bg-card: #FFFFFF;
  --bg-hover: #F8F9FA;
  
  --border-primary: #E0E0E0;
  --border-secondary: #EEEEEE;
  --border-light: #F5F5F5;
  
  --text-primary: #212121;
  --text-secondary: #757575;
  --text-tertiary: #9E9E9E;
  --text-hint: #BDBDBD;
  
  --success: #4CAF50;
  --error: #F44336;
  --warning: #FF9800;
  --info: #2196F3;
  
  --shadow-sm: 0 1px 2px 0 rgba(60, 64, 67, 0.1), 0 1px 3px 1px rgba(60, 64, 67, 0.08);
  --shadow-md: 0 2px 6px 2px rgba(60, 64, 67, 0.1), 0 1px 2px 0 rgba(60, 64, 67, 0.08);
  --shadow-lg: 0 4px 8px 3px rgba(60, 64, 67, 0.15), 0 1px 3px 0 rgba(60, 64, 67, 0.12);
  --shadow-card: 0 1px 3px 0 rgba(60, 64, 67, 0.08), 0 1px 2px 0 rgba(60, 64, 67, 0.1);
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Login Page - Material Design */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
  background: linear-gradient(135deg, #1976D2 0%, #42A5F5 100%);
  position: relative;
  overflow: hidden;
}

.login-container::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-20px, 20px) rotate(5deg); }
}

.login-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 1;
  animation: slideUp 0.5s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  box-shadow: var(--shadow-lg);
}

.login-icon .material-icons {
  font-size: 40px;
  color: white;
}

.login-header h1 {
  font-size: 28px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
  font-family: 'Google Sans', 'Roboto', sans-serif;
}

.login-header p {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 400;
}

.login-form {
  margin-bottom: 24px;
}

.login-form .form-group {
  margin-bottom: 24px;
}

.login-form .form-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-primary);
  font-size: 14px;
}

.login-form .form-group label .material-icons {
  font-size: 20px;
  color: var(--primary-blue);
}

.login-form .form-group input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-size: 15px;
  color: var(--text-primary);
  transition: var(--transition);
  font-family: inherit;
}

.login-form .form-group input:hover {
  border-color: var(--text-secondary);
}

.login-form .form-group input:focus {
  outline: none;
  border-color: var(--primary-blue);
  background: var(--bg-primary);
  box-shadow: 0 0 0 4px rgba(25, 118, 210, 0.1);
}

.login-form .form-group input::placeholder {
  color: var(--text-hint);
}

.login-form .btn-primary {
  width: 100%;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  margin-top: 8px;
}

.login-footer {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.login-footer .material-icons {
  font-size: 18px;
  color: var(--text-tertiary);
}

.login-footer p {
  color: var(--text-tertiary);
  font-size: 13px;
  margin: 0;
}

/* Material Icons */
.material-icons {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  vertical-align: middle;
}

/* Navbar - Material Style */
.navbar {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-secondary);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-brand .material-icons {
  font-size: 32px;
  color: var(--primary-blue);
}

.nav-brand h1 {
  font-size: 20px;
  font-weight: 500;
  color: var(--text-primary);
  font-family: 'Google Sans', 'Roboto', sans-serif;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
}

.user-info .material-icons {
  font-size: 20px;
  color: var(--text-secondary);
}

.user-info span {
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

/* Material Tabs with Indicators */
.tabs-wrapper {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
  overflow: hidden;
}

.tabs {
  display: flex;
  position: relative;
  border-bottom: 2px solid var(--border-light);
  background: var(--bg-primary);
}

.tab-indicator {
  position: absolute;
  bottom: 0;
  height: 3px;
  background: var(--primary-blue);
  transition: var(--transition);
  border-radius: 3px 3px 0 0;
}

.tab-button {
  flex: 1;
  padding: 16px 24px;
  background: transparent;
  border: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
}

.tab-button .material-icons {
  font-size: 20px;
}

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

.tab-button.active {
  color: var(--primary-blue);
  font-weight: 600;
}

/* Tab Content */
.tab-content {
  display: none;
  animation: slideUp 0.3s ease;
}

.tab-content.active {
  display: block;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Material Card */
.search-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-secondary);
}

.card-header .material-icons {
  font-size: 28px;
  color: var(--primary-blue);
}

.card-header h2 {
  font-size: 20px;
  font-weight: 500;
  color: var(--text-primary);
  font-family: 'Google Sans', 'Roboto', sans-serif;
}

/* Search Type Selector - Material Radio Buttons */
.search-type-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 24px;
}

.search-type-selector label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-weight: 400;
  color: var(--text-primary);
  font-size: 14px;
  transition: var(--transition-fast);
  padding: 8px 16px;
  border-radius: var(--radius-md);
}

.search-type-selector label:hover {
  background: var(--bg-hover);
}

.search-type-selector input[type="radio"] {
  cursor: pointer;
  width: 20px;
  height: 20px;
  accent-color: var(--primary-blue);
}

/* Material Form Groups */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--text-primary);
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:hover {
  border-color: var(--text-secondary);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-blue);
  background: var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

.form-group input::placeholder {
  color: var(--text-hint);
}

.form-group small {
  display: block;
  margin-top: 6px;
  color: var(--text-tertiary);
  font-size: 12px;
}

/* Material Buttons */
.btn {
  padding: 10px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
}

.btn .material-icons {
  font-size: 18px;
}

.btn-primary {
  background: var(--primary-blue);
  color: white;
  padding: 12px 32px;
}

.btn-primary:hover {
  background: var(--primary-blue-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

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

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

.btn-sm {
  padding: 6px 16px;
  font-size: 13px;
}

/* Results Container */
.results-container {
  margin-top: 24px;
}

.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 40px;
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-primary);
  border-top-color: var(--primary-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 16px;
}

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

.loading-text {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

.no-results {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 40px;
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  text-align: center;
}

.no-results .material-icons {
  font-size: 72px;
  color: var(--text-hint);
  margin-bottom: 16px;
}

.no-results-text {
  color: var(--text-secondary);
  font-size: 16px;
  font-weight: 400;
}

/* Material Table */
.results-header {
  background: var(--bg-primary);
  padding: 20px 24px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.results-count {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}

.results-count .material-icons {
  font-size: 20px;
  color: var(--primary-blue);
}

.results-count span {
  color: var(--primary-blue);
  font-weight: 600;
}

/* Execution Time Display */
.execution-time {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-blue);
  font-weight: 500;
  font-size: 14px;
  background: rgba(25, 118, 210, 0.08);
  padding: 8px 16px;
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 3px rgba(25, 118, 210, 0.12);
}

.execution-time .material-icons {
  font-size: 18px;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.results-table-container {
  background: var(--bg-primary);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.results-table thead {
  background: var(--bg-tertiary);
}

.results-table th {
  padding: 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border-secondary);
  white-space: nowrap;
}

.results-table td {
  padding: 16px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
}

.results-table tbody tr {
  transition: var(--transition-fast);
}

.results-table tbody tr:hover {
  background: var(--bg-hover);
}

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

.btn-detail {
  padding: 8px 16px;
  background: var(--primary-blue-50);
  color: var(--primary-blue);
  border: none;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-detail .material-icons {
  font-size: 16px;
}

.btn-detail:hover {
  background: var(--primary-blue);
  color: white;
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

/* History Panel */
.history-panel {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light);
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.history-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.history-title .material-icons {
  font-size: 28px;
  color: var(--primary-blue);
}

.history-title h3 {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid var(--border-light);
}

.history-item:hover {
  background: var(--bg-hover);
  border-color: var(--primary-blue-light);
  box-shadow: var(--shadow-sm);
}

.history-item-content {
  flex: 1;
}

.history-item-type {
  font-size: 12px;
  color: var(--primary-blue);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.history-item-query {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 4px;
}

.history-item-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.history-item-meta .material-icons {
  font-size: 14px;
}

.history-item-actions {
  display: flex;
  gap: 8px;
}

.history-item-actions button {
  padding: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: 50%;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.history-item-actions button:hover {
  background: var(--bg-hover);
}

.history-item-actions .material-icons {
  font-size: 20px;
  color: var(--text-secondary);
}

.history-item-actions button:hover .material-icons {
  color: var(--text-primary);
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px;
  background: var(--bg-primary);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.pagination button {
  min-width: 40px;
  height: 40px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
}

.page-info {
  margin: 0 16px;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 14px;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.2s;
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: 32px;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: slideIn 0.3s;
  margin: 20px;
  width: 100%;
  box-shadow: var(--shadow-lg);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideIn {
  from {
    transform: scale(0.95);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-fast);
  background: transparent;
  border: none;
}

.modal-close:hover {
  background: var(--bg-hover);
}

.modal-close .material-icons {
  font-size: 24px;
  color: var(--text-secondary);
}

.modal-close:hover .material-icons {
  color: var(--text-primary);
}

.detail-section {
  margin-bottom: 32px;
}

.detail-section:last-child {
  margin-bottom: 0;
}

.detail-section h3 {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 20px;
  color: var(--text-primary);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-blue);
  display: flex;
  align-items: center;
  gap: 8px;
}

.detail-section h3 .material-icons {
  font-size: 22px;
  color: var(--primary-blue);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.detail-item {
  padding: 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

.detail-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.detail-value {
  font-size: 14px;
  color: var(--text-primary);
  word-break: break-word;
  font-weight: 500;
}

.detail-value.empty {
  color: var(--text-tertiary);
  font-style: italic;
}

/* Alert */
.alert {
  padding: 16px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-sm);
}

.alert .material-icons {
  font-size: 24px;
}

.alert-error {
  background: #FFEBEE;
  color: #C62828;
  border: 1px solid #FFCDD2;
}

.alert-success {
  background: #E8F5E9;
  color: #2E7D32;
  border: 1px solid #C8E6C9;
}

.alert-info {
  background: #E3F2FD;
  color: #1565C0;
  border: 1px solid #BBDEFB;
}

/* History Floating Action Button */
.history-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-blue);
  color: white;
  border: none;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 999;
}

.history-fab:hover {
  background: var(--primary-blue-dark);
  transform: scale(1.1);
  box-shadow: 0 6px 12px 4px rgba(60, 64, 67, 0.2);
}

.history-fab:active {
  transform: scale(1.05);
}

.history-fab .material-icons {
  font-size: 28px;
}

/* History Panel */
.history-panel {
  position: fixed;
  top: 0;
  right: -400px;
  width: 400px;
  height: 100vh;
  background: var(--bg-primary);
  box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.history-panel.active {
  right: 0;
}

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

.history-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.history-title .material-icons {
  font-size: 28px;
  color: var(--primary-blue);
}

.history-title h3 {
  font-size: 20px;
  font-weight: 500;
  color: var(--text-primary);
  margin: 0;
}

.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

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

.btn-icon .material-icons {
  font-size: 24px;
  color: var(--text-secondary);
}

.history-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-item {
  display: flex;
  flex-direction: column;
  padding: 16px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid var(--border-light);
}

.history-item:hover {
  background: var(--bg-hover);
  border-color: var(--primary-blue-light);
  box-shadow: var(--shadow-sm);
  transform: translateX(-4px);
}

.history-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.history-item-type {
  font-size: 11px;
  color: white;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 12px;
  background: var(--primary-blue);
}

.history-item-type.bd-civil {
  background: #1976D2;
}

.history-item-type.bd-seguro {
  background: #2E7D32;
}

.history-item-type.raw {
  background: #F57C00;
}

.history-item-time {
  font-size: 11px;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.history-item-time .material-icons {
  font-size: 14px;
}

.history-item-query {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 8px;
  line-height: 1.4;
}

.history-item-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-secondary);
}

.history-item-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.history-item-meta-item .material-icons {
  font-size: 16px;
}

.history-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-tertiary);
}

.history-empty .material-icons {
  font-size: 64px;
  color: var(--text-hint);
  margin-bottom: 16px;
}

.history-empty p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Overlay cuando el historial está abierto */
.history-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.history-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: 6px;
  border: 3px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Results Header Responsive */
.results-header {
  flex-wrap: wrap;
  gap: 12px;
}

/* Responsive */
@media (max-width: 768px) {
  .results-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .results-header > div:last-child {
    width: 100%;
    flex-direction: column;
    gap: 8px;
  }

  .execution-time {
    width: 100%;
    justify-content: space-between;
    padding: 10px 14px;
  }

  .results-count {
    font-size: 13px;
  }

  /* Filtro de tabla responsivo */
  .table-filter-container {
    padding: 12px !important;
  }

  .table-filter {
    flex-direction: column !important;
    gap: 10px !important;
  }

  .table-filter > div {
    width: 100%;
  }

  .table-filter button {
    width: 100%;
  }

  /* Search type selector en móvil */
  .search-type-selector {
    gap: 12px;
  }

  .search-type-selector label {
    font-size: 13px;
    padding: 6px 12px;
    gap: 8px;
  }

  .search-type-selector input[type="radio"] {
    width: 18px;
    height: 18px;
  }

  .history-panel {
    width: 100%;
    right: -100%;
  }

  .history-fab {
    bottom: 16px;
    right: 16px;
    width: 48px;
    height: 48px;
  }

  .history-fab .material-icons {
    font-size: 24px;
  }

  .container {
    padding: 16px;
  }

  .nav-container {
    padding: 12px 16px;
  }

  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tab-button {
    min-width: 120px;
    padding: 14px 16px;
    font-size: 12px;
    gap: 6px;
  }

  .tab-button .material-icons {
    font-size: 18px;
  }

  .search-card {
    padding: 20px 16px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .results-table-container {
    overflow-x: auto;
  }

  .results-table {
    min-width: 600px;
  }

  .modal-content {
    margin: 10px;
    padding: 24px 20px;
    max-height: 95vh;
  }

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

  .history-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .history-item-actions {
    margin-top: 12px;
    width: 100%;
    justify-content: flex-end;
  }

  .login-card {
    padding: 40px 28px;
    max-width: 400px;
  }

  .login-icon {
    width: 70px;
    height: 70px;
  }

  .login-icon .material-icons {
    font-size: 36px;
  }

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

@media (max-width: 480px) {
  .nav-brand h1 {
    font-size: 16px;
  }

  .nav-brand .material-icons {
    font-size: 24px;
  }

  .user-info {
    padding: 6px 8px;
  }

  .user-info span {
    display: none;
  }

  .user-info .material-icons {
    font-size: 18px;
  }

  /* Botón cerrar sesión: solo icono en móvil */
  .nav-user .btn {
    padding: 8px;
    min-width: auto;
  }

  .nav-user .btn span:not(.material-icons) {
    display: none;
  }

  .nav-user .btn .material-icons {
    margin: 0;
  }

  .tabs-wrapper {
    border-radius: var(--radius-md);
  }

  .tab-button {
    min-width: 90px;
    padding: 12px 12px;
    font-size: 11px;
    flex-direction: column;
    gap: 4px;
  }

  .tab-button .material-icons {
    font-size: 20px;
  }

  .search-card {
    padding: 16px;
    border-radius: var(--radius-lg);
  }

  .card-header {
    margin-bottom: 16px;
    padding-bottom: 12px;
  }

  .card-header h2 {
    font-size: 16px;
  }

  .card-header .material-icons {
    font-size: 24px;
  }

  /* Search type selector más compacto */
  .search-type-selector {
    gap: 8px;
  }

  .search-type-selector label {
    font-size: 12px;
    padding: 6px 10px;
    gap: 6px;
  }

  .search-type-selector input[type="radio"] {
    width: 16px;
    height: 16px;
  }

  /* Botones de búsqueda en formularios: ancho completo */
  .search-form .btn-primary,
  .search-form .btn-secondary {
    width: 100%;
  }

  /* Botón de filtro en tabla: solo icono en móvil pequeño */
  .table-filter {
    flex-direction: row !important;
    gap: 8px !important;
  }

  .table-filter button {
    padding: 12px !important;
    min-width: auto !important;
    width: auto !important;
  }

  .table-filter button span:not(.material-icons) {
    display: none;
  }

  .table-filter button .material-icons {
    margin: 0;
  }

  /* Results header más compacto */
  .results-header {
    padding: 16px;
  }

  .results-count {
    font-size: 12px;
  }

  .results-count .material-icons {
    font-size: 18px;
  }

  .execution-time {
    font-size: 12px;
    padding: 8px 12px;
  }

  .execution-time .material-icons {
    font-size: 16px;
  }

  /* Hacer las tablas más legibles en móvil */
  .results-table {
    font-size: 12px;
  }

  .results-table th {
    padding: 12px 8px;
    font-size: 11px;
  }

  .results-table td {
    padding: 12px 8px;
  }

  .btn-detail {
    padding: 6px 12px;
    font-size: 11px;
  }

  .btn-detail .material-icons {
    font-size: 14px;
  }

  /* FAB historial más pequeño */
  .history-fab {
    width: 48px;
    height: 48px;
    bottom: 12px;
    right: 12px;
  }

  .history-fab .material-icons {
    font-size: 22px;
  }

  .login-container {
    padding: 16px;
  }

  .login-card {
    padding: 32px 20px;
    max-width: 100%;
  }

  .login-icon {
    width: 60px;
    height: 60px;
  }

  .login-icon .material-icons {
    font-size: 30px;
  }

  .login-header h1 {
    font-size: 20px;
  }

  .login-header p {
    font-size: 13px;
  }

  .form-group label {
    font-size: 13px;
  }

  .form-control {
    padding: 10px 14px;
    font-size: 14px;
  }
}

/* Media Query para dispositivos muy pequeños (menos de 360px) */
@media (max-width: 360px) {
  .nav-container {
    padding: 10px 12px;
    height: auto;
  }

  .nav-brand h1 {
    font-size: 14px;
  }

  .nav-brand .material-icons {
    font-size: 22px;
  }

  .nav-user .btn {
    padding: 6px;
  }

  .container {
    padding: 12px;
  }

  .tab-button {
    min-width: 80px;
    padding: 10px 8px;
    font-size: 10px;
  }

  .tab-button .material-icons {
    font-size: 18px;
  }

  .search-card {
    padding: 12px;
  }

  .card-header {
    gap: 8px;
  }

  .card-header h2 {
    font-size: 14px;
  }

  .card-header .material-icons {
    font-size: 22px;
  }

  .search-type-selector label {
    font-size: 11px;
    padding: 5px 8px;
  }

  .form-group input {
    padding: 10px 12px;
    font-size: 13px;
  }

  .btn {
    font-size: 12px;
    padding: 10px 16px;
  }

  .results-header {
    padding: 12px;
  }

  .table-filter-container {
    padding: 10px !important;
  }

  .table-filter input {
    padding: 10px 10px 10px 38px !important;
    font-size: 13px !important;
  }

  .table-filter button {
    padding: 10px !important;
  }
}