/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: #f5f7fa;
  color: #2c3e50;
  line-height: 1.6;
}

/* App layout */
.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-header {
  background-color: #2c3e50;
  color: white;
  padding: 1rem 2rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.app-nav {
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  color: white;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-logo:hover {
  color: #3498db;
}

.app-main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem;
}

.app-footer {
  background-color: #34495e;
  color: white;
  text-align: center;
  padding: 1.5rem;
  margin-top: 2rem;
}

/* Page headers */
.page-header h1 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: #2c3e50;
}

/* Search section */
.search-section {
  margin-bottom: 3rem;
}

.search-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.search-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid #dde4ed;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s;
}

.search-input:focus {
  outline: none;
  border-color: #3498db;
}

.search-button {
  padding: 0.75rem 2rem;
  background-color: #3498db;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s;
}

.search-button:hover {
  background-color: #2980b9;
}

/* Block preview */
.block-preview {
  background-color: white;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}

.block-preview:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.block-preview-link {
  text-decoration: none;
  color: inherit;
}

.block-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #eee;
}

.block-id .label {
  color: #7f8c8d;
  font-size: 0.9rem;
}

.block-id .value {
  font-size: 1.5rem;
  font-weight: bold;
  color: #2c3e50;
}

.block-status {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.status-pending {
  background-color: #fff3cd;
  color: #856404;
}

.status-safe {
  background-color: #d1ecf1;
  color: #0c5460;
}

.status-finalized {
  background-color: #d4edda;
  color: #155724;
}

.block-preview-body {
  display: grid;
  gap: 0.5rem;
}

.block-field {
  display: flex;
  gap: 0.5rem;
}

.field-label {
  color: #7f8c8d;
  font-weight: 500;
}

.field-value {
  color: #2c3e50;
}

.hash {
  font-family: "Courier New", monospace;
  font-size: 0.9rem;
  word-break: break-all;
}

/* Transaction preview */
.transaction-preview {
  background-color: white;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}

.transaction-preview:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.transaction-preview-link {
  text-decoration: none;
  color: inherit;
}

.transaction-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid #eee;
}

.tx-type {
  padding: 0.4rem 0.8rem;
  border-radius: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 2px solid;
}

.tx-type-public {
  background-color: #e3f2fd;
  color: #0d47a1;
  border-color: #1976d2;
  border-style: solid;
}

.tx-type-private {
  background-color: #ffe0f0;
  color: #880e4f;
  border-color: #c2185b;
  border-style: dashed;
  font-style: italic;
}

.tx-type-deployment {
  background-color: #fff3e0;
  color: #e65100;
  border-color: #ff9800;
  border-style: dotted;
}

.tx-hash {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.transaction-preview-body {
  color: #7f8c8d;
  font-size: 0.9rem;
}

/* Account preview */
.account-preview {
  background-color: white;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}

.account-preview:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.account-preview-link {
  text-decoration: none;
  color: inherit;
}

.account-preview-header {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #eee;
}

.account-id .label {
  color: #7f8c8d;
  font-size: 0.9rem;
}

.account-id .value {
  font-size: 1.2rem;
  font-weight: 600;
  color: #2c3e50;
}

.account-preview-body {
  display: grid;
  gap: 0.5rem;
}

.account-field {
  display: flex;
  gap: 0.5rem;
}

.account-not-found {
  color: #e74c3c;
  font-style: italic;
}

/* Detail pages */
.block-detail,
.transaction-detail,
.account-detail {
  background-color: white;
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.block-info,
.transaction-info,
.account-info,
.transaction-details {
  margin-bottom: 2rem;
}

.block-info h2,
.transaction-info h2,
.account-info h2,
.transaction-details h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #2c3e50;
}

.info-grid {
  display: grid;
  gap: 1rem;
}

.info-row {
  display: flex;
  gap: 1rem;
  padding: 0.75rem;
  background-color: #f8f9fa;
  border-radius: 4px;
}

.info-label {
  color: #7f8c8d;
  font-weight: 600;
  min-width: 150px;
}

.info-value {
  color: #2c3e50;
  word-break: break-all;
}

.signature {
  font-size: 0.75rem;
}

/* Transactions list */
.block-transactions,
.account-transactions {
  margin-top: 2rem;
}

.block-transactions h2,
.account-transactions h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #2c3e50;
}

.transactions-list {
  display: grid;
  gap: 1rem;
}

.no-transactions {
  padding: 2rem;
  text-align: center;
  color: #7f8c8d;
  background-color: #f8f9fa;
  border-radius: 8px;
}

/* Accounts list */
.accounts-list {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
}

.account-item {
  padding: 0.75rem;
  background-color: #f8f9fa;
  border-radius: 4px;
}

.account-item a {
  color: #3498db;
  text-decoration: none;
}

.account-item a:hover {
  text-decoration: underline;
}

.nonce {
  color: #7f8c8d;
  font-size: 0.9rem;
  margin-left: 0.5rem;
}

/* Loading and error states */
.loading,
.loading-more {
  text-align: center;
  padding: 2rem;
  color: #7f8c8d;
  font-style: italic;
}

.error,
.error-page {
  background-color: #f8d7da;
  color: #721c24;
  padding: 1rem;
  border-radius: 8px;
  margin: 1rem 0;
}

.not-found,
.not-found-page {
  text-align: center;
  padding: 3rem;
  color: #7f8c8d;
}

.not-found-page h1 {
  font-size: 4rem;
  color: #e74c3c;
  margin-bottom: 1rem;
}

.not-found-page a {
  color: #3498db;
  text-decoration: none;
  font-weight: 600;
}

.not-found-page a:hover {
  text-decoration: underline;
}

/* Load more button */
.load-more-button {
  display: block;
  width: 100%;
  padding: 1rem;
  margin-top: 1rem;
  background-color: #3498db;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s;
}

.load-more-button:hover {
  background-color: #2980b9;
}

/* Responsive design */
@media (max-width: 768px) {
  .app-main {
    padding: 1rem;
  }

  .search-form {
    flex-direction: column;
  }

  .search-button {
    width: 100%;
  }

  .block-preview-header,
  .transaction-preview-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .info-row {
    flex-direction: column;
    gap: 0.25rem;
  }

  .info-label {
    min-width: auto;
  }
}