:root {
  --bg: #0D1B2A;
  --card-bg: #1B2A44;
  --text: #DDE1E8;
  --text-accent: #FFFFFF;
  --accent: #54AE9F;
  --accent-hover: #409A8B;
  --link: #60E6BF;
  --link-hover: #A4EDD4;
  --border: #2E3B55;
  --hover: #2E3B55;
  --error: #FF4D4D;
  --nav-link: rgb(229, 229, 229);
  --nav-hover: #54AE9F;
}

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

body {
  font-family: 'Inter', Arial, sans-serif;
  background-color: var(--bg);
  min-height: 100vh;
  padding: 16px;
  color: var(--text);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.container {
  background: linear-gradient(145deg, var(--card-bg), #1e304e);
  padding: 32px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 1200px;
  text-align: center;
  flex-grow: 1;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.logo-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  padding: 10px;
}

.logo-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 216, 151, 0.1), transparent);
  z-index: -1;
}

.logo {
  max-width: 180px;
  width: 100%;
}

.logo:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 8px rgba(0, 216, 151, 0.5));
  transition: transform 0.3s ease, filter 0.3s ease;
}

.tagline {
  font-size: 0.9rem;
  color: var(--text);
  margin-top: 8px;
  text-align: center;
}

.nav {
  display: flex;
  align-items: center;
}

.nav a {
  margin: 0 12px;
  color: var(--nav-link);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.nav a:hover,
.nav a:active {
  color: var(--nav-hover);
}

.nav a.active {
  color: var(--accent);
}

.nav a.active:hover {
  color: var(--accent);
}

h1 {
  color: var(--text-accent);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 32px;
}

h2 {
  color: var(--text-accent);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 24px 0 12px;
}

h3 {
  color: var(--text-accent);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.hero {
  margin: 20px 0;
  padding: 20px;
  background-image: url('/images/hero-bg.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 27, 42, 0.8);
  z-index: 0;
}

.hero * {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.hero p {
  font-size: 1rem;
  color: var(--text);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

.cta-button {
  display: inline-block;
  background-color: var(--accent);
  color: var(--text-accent);
  padding: 12px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.cta-button:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}

.cta-button.secondary {
  background-color: #3B4A66;
}

.cta-button.secondary:hover {
  background-color: #4B5E7A;
  transform: translateY(-2px);
}

.tax-header, .domains-header {
  margin-bottom: 20px;
}

.tax-header p, .domains-header p {
  font-size: 1rem;
  color: var(--text);
}

.transaction-form {
  display: grid;
  gap: 16px;
  max-width: 800px;
  grid-template-columns: 1fr;
  margin: 0 auto 24px;
}

.form-group input:invalid:focus {
  border-color: var(--error);
}

@media (min-width: 768px) {
  .transaction-form {
    grid-template-columns: 2fr 1fr 1fr;
  }
  .transaction-form button[type="submit"] {
    grid-column: span 3;
    max-width: 200px;
    margin: 0 auto;
  }
}

.form-group {
  text-align: left;
}

label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-accent);
  margin-bottom: 4px;
  display: block;
}

input[type="text"],
input[type="date"] {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  background-color: #2E3B55;
  color: var(--text);
  transition: border-color 0.2s ease;
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(84, 174, 159, 0.2);
}

button {
  background-color: var(--accent);
  color: var(--text-accent);
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

button:hover:not(:disabled) {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(84, 174, 159, 0.3);
}

button:disabled {
  background-color: #4B5E7A;
  cursor: not-allowed;
}

button:focus, a:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.spinner {
  border: 4px solid var(--border);
  border-top: 4px solid var(--accent);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  animation: spin 1s linear infinite;
  display: inline-block;
  margin-right: 8px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text);
  margin: 24px 0;
}

.progress, .error {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  margin: 16px 0;
  display: none;
}

.error {
  color: var(--error);
}

.download-options {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 24px 0;
  display: none;
}

.download-options button {
  background-color: #3B82F6;
  padding: 12px 24px;
}

.download-options button:hover:not(:disabled) {
  background-color: #2563EB;
  transform: translateY(-1px);
}

.toggle-buttons {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 24px 0;
}

.toggle-buttons button {
  background-color: #3B4A66;
  color: var(--text-accent);
  padding: 10px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.toggle-buttons button.active {
  background-color: var(--accent);
  color: var(--text-accent);
  box-shadow: 0 2px 6px rgba(84, 174, 159, 0.3);
}

.toggle-buttons button:hover:not(.active) {
  background-color: #4B5E7A;
  transform: translateY(-1px);
}

.table-container {
  overflow-x: auto;
  border-radius: 6px;
  background: linear-gradient(145deg, var(--card-bg), #1e304e);
  border: 1px solid var(--border);
  transition: opacity 0.3s ease;
}

.table-container.hidden {
  opacity: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 12px;
  font-size: 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

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

tr:nth-child(even) {
  background-color: #2A3A55;
}

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

.txhash-col {
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.txhash-col a {
  color: var(--link);
  text-decoration: none;
}

.txhash-col a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

.transaction-count {
  font-size: 1rem;
  color: var(--text-accent);
  margin-bottom: 16px;
}

.hidden {
  display: none;
}

.iframe-container {
  position: relative;
  width: 100%;
  height: calc(100vh - 150px);
  border: none;
  margin-top: 20px;
}

.iframe-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  color: var(--text);
}

iframe {
  width: 100%;
  height: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.link-row {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 20px;
  padding: 20px;
  background-image: url('/images/link-row-bg.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
}

.link-row::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 27, 42, 0.8);
  z-index: 0;
}

.link-row * {
  position: relative;
  z-index: 1;
}

.link-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

.link-icon {
  font-size: 2rem;
  margin-bottom: 10px;
  color: var(--accent);
}

.link-row a {
  display: block;
  flex: 1;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.link-row a:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

.link-row a:hover img {
  box-shadow: 0 4px 12px rgba(84, 174, 159, 0.5);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.link-row img {
  width: 100%;
  min-width: 250px;
  max-width: 450px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: box-shadow 0.3s ease;
}

.link-caption {
  margin-top: 10px;
  font-size: 1rem;
  color: var(--text-accent);
  font-weight: 600;
}

.link-description {
  margin-top: 10px;
  font-size: 0.9rem;
  color: var(--text);
  text-align: center;
  max-width: 400px;
}

.link-description p {
  line-height: 1.5;
}

.faq {
  margin-top: 40px;
  padding: 20px;
  background: linear-gradient(145deg, var(--card-bg), #1e304e);
  border-radius: 8px;
}

.faq-item {
  margin-bottom: 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 15px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-accent);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.2s ease;
}

.faq-question:hover {
  background-color: var(--hover);
}

.faq-toggle {
  font-size: 1.2rem;
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 15px;
}

.faq-item.active .faq-answer {
  padding: 15px;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.5;
}

.why-choose {
  margin-top: 40px;
  padding: 20px;
  background: linear-gradient(145deg, var(--card-bg), #1e304e);
  border-radius: 8px;
}

.why-choose-row {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.why-choose-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  max-width: 300px;
}

.why-choose-icon {
  font-size: 2rem;
  margin-bottom: 10px;
  color: var(--accent);
}

.why-choose-item h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.why-choose-item p {
  font-size: 0.9rem;
  color: var(--text);
  text-align: center;
  line-height: 1.5;
}

.legal {
  margin-top: 20px;
  padding: 20px;
  text-align: left;
}

.legal p {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 16px;
}

.legal ul {
  list-style-type: disc;
  padding-left: 20px;
  margin-bottom: 16px;
}

.legal li {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 8px;
}

.legal a {
  color: var(--link);
  text-decoration: none;
}

.legal a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

.cookie-consent {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: linear-gradient(145deg, var(--card-bg), #1e304e);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  display: none;
}

.cookie-consent-content p {
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 16px;
}

.cookie-consent-content a {
  color: var(--link);
  text-decoration: none;
}

.cookie-consent-content a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

.cookie-consent-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.cookie-settings-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1001;
}

.cookie-settings-content {
  background: linear-gradient(145deg, var(--card-bg), #1e304e);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.cookie-settings-content h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.cookie-settings-content p {
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 16px;
}

.cookie-option {
  margin-bottom: 20px;
}

.cookie-option label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-accent);
  display: flex;
  align-items: center;
  gap: 8px;
}

.cookie-option input[type="checkbox"] {
  width: 18px;
  height: 18px;
}

.cookie-option .cookie-description {
  font-size: 0.85rem;
  color: var(--text);
  margin-top: 8px;
}

.cookie-settings-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.footer {
  margin-top: 40px;
  padding: 20px;
  text-align: center;
  border-top: 1px solid var(--border);
  width: 100%;
}

.footer-logo {
  max-width: 120px;
  margin-bottom: 10px;
}

.footer a {
  color: var(--link);
  margin: 0 10px;
  text-decoration: none;
}

.footer a:hover {
  color: var(--link-hover);
}

@media (min-width: 769px) and (max-width: 900px) {
  .link-row img {
    min-width: 200px;
    max-width: 350px;
  }
  .link-row {
    gap: 15px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 24px;
  }
  h1 {
    font-size: 1.5rem;
  }
  h3 {
    font-size: 1rem;
  }
  .hero h1 {
    font-size: 1.5rem;
  }
  .hero p {
    font-size: 0.9rem;
  }
  .hero-buttons {
    flex-direction: column;
    gap: 10px;
  }
  .transaction-form {
    max-width: 100%;
  }
  .link-caption {
    font-size: 0.9rem;
  }
  .link-description {
    font-size: 0.85rem;
    max-width: 300px;
  }
  .faq-question {
    font-size: 1rem;
  }
  .faq-answer p {
    font-size: 0.85rem;
  }
  .why-choose-item h3 {
    font-size: 1rem;
  }
  .why-choose-item p {
    font-size: 0.85rem;
  }
  .legal p, .legal li {
    font-size: 0.85rem;
  }
  .cookie-consent {
    padding: 15px;
  }
  .cookie-consent-content p {
    font-size: 0.85rem;
  }
  .cookie-consent-buttons {
    flex-direction: column;
    gap: 8px;
  }
  .cookie-settings-content {
    padding: 15px;
  }
  .cookie-settings-content h2 {
    font-size: 1.3rem;
  }
  .cookie-option label {
    font-size: 0.9rem;
  }
  .cookie-option .cookie-description {
    font-size: 0.8rem;
  }
  input, button {
    font-size: 0.85rem;
  }
  .toggle-buttons {
    flex-wrap: wrap;
    gap: 4px;
  }
  table {
    font-size: 0.8rem;
  }
  th, td {
    padding: 8px;
    font-size: 0.85rem;
  }
  .txhash-col {
    max-width: 100px;
  }
  .header {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }
  .logo {
    max-width: 150px;
  }
  .tagline {
    font-size: 0.8rem;
  }
  .nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
  }
  .nav a {
    margin: 0 8px;
    font-size: 0.9rem;
  }
  .link-row {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
  .link-row img {
    min-width: 200px;
    max-width: 250px;
  }
  .why-choose-row {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
}