.epoch-page-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px 40px;
  background: #faf8f5;
  min-height: 100vh;
}

.dedicated-ad-section {
  margin: 32px 0;
  padding: 16px 0;
}

.ad-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 12px;
}

.ad-label::before,
.ad-label::after {
  content: '';
  flex: 1;
  max-width: 120px;
  height: 1px;
  background: linear-gradient(90deg, transparent, #d1d5db, transparent);
}

.ad-label-text {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: #9ca3af;
}

.bottom-ad-section {
  margin: 40px 0 20px 0;
  padding: 16px 0;
}

.top-ad-section {
  margin: 0 0 24px 0;
  min-height: 90px;
}

.epoch-tool {
  max-width: 1200px;
  width: 100%;
  padding: 0;
  background: #faf8f5;
}

body:has(.epoch-tool) {
  background: #faf8f5 !important;
}

/* Header */
.epoch-tool .tool-header {
  text-align: center;
  margin-bottom: 24px;
  padding: 40px 30px;
  background: linear-gradient(135deg, #292524 0%, #44403c 100%);
  border-radius: 16px;
  color: #faf8f5;
  box-shadow: 0 4px 20px rgba(41, 37, 36, 0.2);
  position: relative;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .epoch-tool .tool-header {
    padding: 48px 40px;
    margin-bottom: 28px;
  }
}

.epoch-tool .tool-intro {
  text-align: center;
  color: #57534e;
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 800px;
  margin: 0 auto 24px;
  padding: 0 16px;
}

@media (min-width: 1024px) {
  .epoch-tool .tool-intro {
    max-width: 900px;
    font-size: 1rem;
  }
}

.epoch-tool .tool-intro strong {
  color: #44403c;
}

.epoch-tool .tool-title {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 8px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  position: relative;
}

.epoch-tool .tool-title i {
  font-size: 1.6rem;
  color: #fef3c7;
  animation: clock-pulse 2s ease-in-out infinite;
}

@keyframes clock-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.epoch-tool .tool-subtitle {
  font-size: 1rem;
  margin: 0;
  opacity: 0.75;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 400;
  color: #d6d3d1;
}

/* Current Timestamp Section */
.current-timestamp-section {
  margin-bottom: 24px;
}

.current-timestamp-card {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  border-radius: 12px;
  padding: 20px 24px;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
}

.current-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0.9;
}

.current-label i {
  animation: pulse-icon 1.5s ease-in-out infinite;
}

@keyframes pulse-icon {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.current-values {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.current-value-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.value-label {
  font-size: 0.8rem;
  opacity: 0.85;
}

.value-display {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.15);
  padding: 8px 14px;
  border-radius: 6px;
  min-width: 160px;
  text-align: center;
}

.btn-copy-mini {
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 6px;
  color: #ffffff;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-copy-mini:hover {
  background: rgba(255, 255, 255, 0.3);
}

.btn-copy-mini.copied {
  background: rgba(255, 255, 255, 0.4);
}

/* Mode Tabs */
.mode-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  background: #f5f0e8;
  padding: 6px;
  border-radius: 12px;
  border: 2px solid #e7e0d5;
}

.mode-tab {
  flex: 1;
  padding: 14px 20px;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: #78716c;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.mode-tab:hover {
  color: #44403c;
  background: #e7e0d5;
}

.mode-tab.active {
  background: #292524;
  color: #faf8f5;
  box-shadow: 0 2px 8px rgba(41, 37, 36, 0.2);
}

.mode-content {
  display: none;
}

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

/* Input Section */
.input-section {
  background: #fffdf9;
  border: 2px solid #e7e0d5;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
}

.input-section label {
  display: block;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 600;
  color: #374151;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.input-wrapper {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.input-wrapper input {
  flex: 1;
  padding: 14px 18px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: 1.1rem;
  border: 2px solid #e7e0d5;
  border-radius: 8px;
  background: #ffffff;
  color: #292524;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-wrapper input:focus {
  outline: none;
  border-color: #a8a29e;
  box-shadow: 0 0 0 3px rgba(168, 162, 158, 0.15);
}

.input-wrapper input::placeholder {
  color: #a8a29e;
}

.input-hint {
  font-size: 0.8rem;
  color: #78716c;
  display: flex;
  align-items: center;
  gap: 6px;
}

.input-hint i {
  color: #a8a29e;
}

/* Date Inputs */
.date-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

@media (max-width: 768px) {
  .date-inputs {
    grid-template-columns: 1fr;
  }
}

.date-input-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #57534e;
  margin-bottom: 6px;
}

.date-input-group input,
.date-input-group select {
  width: 100%;
  padding: 12px 14px;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
  border: 2px solid #e7e0d5;
  border-radius: 8px;
  background: #ffffff;
  color: #292524;
  transition: border-color 0.2s ease;
}

.date-input-group input:focus,
.date-input-group select:focus {
  outline: none;
  border-color: #a8a29e;
}

.input-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Buttons */
.btn-primary {
  padding: 12px 24px;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  background: #292524;
  color: #faf8f5;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 2px 8px rgba(41, 37, 36, 0.2);
}

.btn-primary:hover {
  background: #44403c;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(41, 37, 36, 0.25);
}

.btn-secondary {
  padding: 12px 20px;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  background: #f5f0e8;
  color: #44403c;
  border: 2px solid #e7e0d5;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary:hover {
  background: #e7e0d5;
  border-color: #d6cfc4;
}

/* Error Message */
.error-message {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: #fef2f2;
  border: 2px solid #fecaca;
  border-radius: 8px;
  color: #dc2626;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.error-message.hidden {
  display: none;
}

.error-message i {
  font-size: 1.1rem;
}

/* Result Section */
.result-section {
  background: #fffdf9;
  border: 2px solid #e7e0d5;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.result-section.hidden {
  display: none;
}

.result-section h3 {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #374151;
  margin: 0 0 16px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.result-section h3 i {
  color: #78716c;
}

/* Timestamp Cards */
.timestamp-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

@media (min-width: 768px) {
  .timestamp-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}

.timestamp-card {
  background: #f5f0e8;
  border: 2px solid #e7e0d5;
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  position: relative;
}

.timestamp-card.primary {
  background: linear-gradient(135deg, #292524 0%, #44403c 100%);
  border-color: #292524;
  color: #ffffff;
}

.timestamp-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #78716c;
  margin-bottom: 8px;
}

.timestamp-card.primary .timestamp-label {
  color: #a8a29e;
}

.timestamp-value {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: #292524;
  word-break: break-word;
  padding-right: 30px;
}

.timestamp-card.primary .timestamp-value {
  color: #ffffff;
  font-size: 0.9rem;
}

.timestamp-value.mono {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: 0.8rem;
}

.btn-copy-card {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 8px;
  background: rgba(0, 0, 0, 0.05);
  border: none;
  border-radius: 4px;
  color: #78716c;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.75rem;
}

.btn-copy-card:hover {
  background: rgba(0, 0, 0, 0.1);
  color: #44403c;
}

.timestamp-card.primary .btn-copy-card {
  background: rgba(255, 255, 255, 0.1);
  color: #d6d3d1;
}

.timestamp-card.primary .btn-copy-card:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

/* Additional Formats */
.additional-formats {
  background: #f5f0e8;
  border-radius: 10px;
  padding: 20px;
}

.additional-formats h4 {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: #57534e;
  margin: 0 0 16px 0;
}

.format-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

@media (min-width: 768px) {
  .format-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.format-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #fffdf9;
  border: 1px solid #e7e0d5;
  border-radius: 8px;
}

.format-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #78716c;
  width: 100%;
}

.format-value {
  font-size: 0.85rem;
  color: #292524;
  font-weight: 600;
}

code.format-value {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  background: #292524;
  color: #fef3c7;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Timestamp Output Cards */
.timestamp-output-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 480px) {
  .timestamp-output-cards {
    grid-template-columns: 1fr;
  }
}

.timestamp-output-card {
  background: #f5f0e8;
  border: 2px solid #e7e0d5;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}

.output-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #78716c;
  margin-bottom: 12px;
}

.output-value-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.output-value {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: 1.2rem;
  font-weight: 700;
  background: #292524;
  color: #fef3c7;
  padding: 12px 20px;
  border-radius: 8px;
  flex: 1;
  max-width: 300px;
}

.btn-copy-output {
  padding: 10px 14px;
  background: #292524;
  border: none;
  border-radius: 8px;
  color: #fef3c7;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-copy-output:hover {
  background: #44403c;
  transform: translateY(-1px);
}

/* Code Snippets */
.code-snippets {
  background: #292524;
  border-radius: 12px;
  overflow: hidden;
}

.code-snippets h4 {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: #a8a29e;
  margin: 0;
  padding: 16px 20px 0;
}

.snippet-tabs {
  display: flex;
  gap: 4px;
  padding: 12px 20px;
  border-bottom: 1px solid #44403c;
}

.snippet-tab {
  padding: 8px 16px;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  background: transparent;
  border: none;
  border-radius: 6px;
  color: #78716c;
  cursor: pointer;
  transition: all 0.2s ease;
}

.snippet-tab:hover {
  color: #d6d3d1;
  background: #44403c;
}

.snippet-tab.active {
  background: #44403c;
  color: #fef3c7;
}

.snippet-content {
  position: relative;
  padding: 16px 20px;
}

.snippet-content pre {
  margin: 0;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: 0.85rem;
  color: #fef3c7;
  line-height: 1.6;
  overflow-x: auto;
}

.snippet-content code {
  background: transparent;
}

.btn-copy-snippet {
  position: absolute;
  top: 12px;
  right: 16px;
  padding: 8px 12px;
  background: #44403c;
  border: none;
  border-radius: 6px;
  color: #a8a29e;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-copy-snippet:hover {
  background: #57534e;
  color: #fef3c7;
}

/* Examples Section */
.examples-section {
  margin-bottom: 24px;
}

.examples-section h3 {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #374151;
  margin: 0 0 16px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.examples-section h3 i {
  color: #f59e0b;
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

@media (min-width: 768px) {
  .examples-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .examples-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.example-btn {
  padding: 14px;
  background: #fffdf9;
  border: 2px solid #e7e0d5;
  border-radius: 10px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.example-btn:hover {
  border-color: #78716c;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(120, 113, 108, 0.15);
}

.example-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #78716c;
}

.example-btn code {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: 0.75rem;
  background: #292524;
  color: #fef3c7;
  padding: 4px 8px;
  border-radius: 4px;
  word-break: break-all;
}

.example-date {
  font-size: 0.75rem;
  color: #57534e;
}

/* Reference Section */
.reference-section {
  margin-bottom: 32px;
}

.reference-section h3 {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #374151;
  margin: 0 0 16px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.reference-section h3 i {
  color: #78716c;
}

.reference-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .reference-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.reference-card {
  background: #fffdf9;
  border: 2px solid #e7e0d5;
  border-radius: 12px;
  padding: 20px;
}

.reference-card h4 {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: #374151;
  margin: 0 0 12px 0;
}

.reference-card table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.reference-card td {
  padding: 8px 0;
  border-bottom: 1px solid #f5f0e8;
}

.reference-card tr:last-child td {
  border-bottom: none;
}

.reference-card td:first-child {
  color: #57534e;
  width: 45%;
}

.reference-card td:last-child {
  color: #292524;
  font-weight: 500;
}

.reference-card code {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  background: #292524;
  color: #fef3c7;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.8rem;
}

/* Syntax Guide Section */
.syntax-guide-section {
  margin-bottom: 32px;
}

.syntax-guide-section > h3 {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #374151;
  margin: 0 0 16px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.syntax-guide-section > h3 i.fa-graduation-cap {
  color: #7c3aed;
}

.syntax-guide-content {
  background: #fffdf9;
  border: 2px solid #e7e0d5;
  border-radius: 12px;
  overflow: hidden;
}

.guide-article {
  padding: 24px 28px;
  border-bottom: 1px solid #e7e0d5;
}

.guide-article:last-child {
  border-bottom: none;
}

.guide-article h2 {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: #292524;
  margin: 0 0 12px 0;
}

.guide-article p {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  color: #57534e;
  margin: 0 0 12px 0;
  line-height: 1.7;
}

.guide-article p:last-child {
  margin-bottom: 0;
}

.guide-article ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.guide-article ul li {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  color: #57534e;
  line-height: 1.7;
  padding: 8px 0 8px 20px;
  position: relative;
  border-bottom: 1px solid #f5f0e8;
}

.guide-article ul li:last-child {
  border-bottom: none;
}

.guide-article ul li::before {
  content: "•";
  color: #059669;
  font-weight: bold;
  position: absolute;
  left: 0;
}

.guide-article code {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  background: #292524;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85rem;
  color: #fef3c7;
}

/* FAQ Section */
.faq-section {
  margin-bottom: 32px;
  padding: 30px;
  background: #f5f0e8;
  border-radius: 16px;
  border: 2px solid #e7e0d5;
}

.faq-section h2 {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #374151;
  margin: 0 0 24px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-section h2 i {
  color: #78716c;
}

.faq-item {
  background: #fffdf9;
  border: 2px solid #e7e0d5;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 12px;
}

.faq-item:last-child {
  margin-bottom: 0;
}

.faq-item h3 {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #292524;
  margin: 0 0 10px 0;
}

.faq-item p {
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  color: #78716c;
  margin: 0;
  line-height: 1.6;
}

.faq-item code {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  background: #292524;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85rem;
  color: #fef3c7;
}

/* Responsive */
@media (max-width: 768px) {
  .epoch-page-wrapper {
    padding: 15px 12px 30px;
  }

  .epoch-tool .tool-header {
    padding: 30px 20px;
    border-radius: 12px;
  }

  .epoch-tool .tool-title {
    font-size: 1.5rem;
    flex-direction: column;
    gap: 8px;
  }

  .input-section {
    padding: 20px 16px;
  }

  .input-wrapper {
    flex-direction: column;
  }

  .input-wrapper input {
    font-size: 1rem;
  }

  .current-values {
    flex-direction: column;
    gap: 12px;
  }

  .current-value-item {
    flex-wrap: wrap;
  }

  .value-display {
    min-width: 140px;
    font-size: 0.95rem;
  }

  .mode-tabs {
    flex-direction: column;
    gap: 4px;
  }

  .timestamp-cards {
    grid-template-columns: 1fr;
  }

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

  .examples-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .faq-section {
    padding: 20px;
  }

  .guide-article {
    padding: 20px;
  }

  .snippet-tabs {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .epoch-tool .tool-title i {
    font-size: 1.5rem;
  }

  .output-value {
    font-size: 0.95rem;
    padding: 10px 14px;
  }

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