/* CSS Variables */
:root {
  color-scheme: dark;
  
  /* Colors */
  --bg-primary: #0a0b0e;
  --bg-secondary: #131720;
  --bg-tertiary: #1a2230;
  --bg-input: #0f141b;
  
  --text-primary: #e6e6e6;
  --text-secondary: #9aa4ad;
  --text-muted: #6b7280;
  
  --accent-primary: #3b82f6;
  --accent-secondary: #10b981;
  --accent-danger: #ef4444;
  --accent-warning: #f59e0b;
  
  --border-primary: #202733;
  --border-secondary: #374151;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Typography */
  --font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: var(--font-size-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  min-width: 0;
}

/* Typography */
h1, h2, h3 {
  font-weight: 600;
  line-height: 1.3;
}

h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-xl);
}

h3 {
  font-size: var(--font-size-lg);
}

/* Header */
.header {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-bottom: 1px solid var(--border-primary);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(10, 11, 14, 0.8);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.brand-icon {
  width: 32px;
  height: 32px;
  color: var(--accent-primary);
}

.brand-subtitle {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 400;
}

/* Main content */
.main {
  min-height: calc(100vh - 200px);
  overflow-x: hidden;
  width: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
  width: 100%;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
}

/* Panels */
.panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
}

.panel:hover {
  border-color: var(--border-secondary);
  box-shadow: var(--shadow-lg);
}

.panel--primary:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-lg);
}

.panel--primary {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border-color: var(--border-primary);
}

/* Archive a URL section */
.archive-section {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
}

/* Snapshots and Help sections */
.snapshots-section,
.help-section {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
}

.panel-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.panel-icon {
  width: 20px;
  height: 20px;
  color: var(--accent-primary);
}

/* Forms */
.archive-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
}



.input-group {
  display: flex;
  gap: var(--spacing-sm);
  align-items: stretch;
}

.form-input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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



/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 12px 20px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  background: var(--bg-secondary);
  border-color: var(--border-secondary);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn--primary {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

.btn--primary:hover {
  background: #2563eb;
  border-color: #2563eb;
}

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

.btn-icon {
  width: 16px;
  height: 16px;
}

/* Status */
.status {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  background: var(--bg-input);
  border: 1px solid var(--border-primary);
  color: var(--text-secondary);
  min-height: 40px;
  display: flex;
  align-items: center;
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition-normal);
  pointer-events: none;
}

.status:not(:empty) {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.status.error {
  border-color: var(--accent-danger);
  color: var(--accent-danger);
  background: rgba(239, 68, 68, 0.1);
}

.status.success {
  border-color: var(--accent-secondary);
  color: var(--accent-secondary);
  background: rgba(16, 185, 129, 0.1);
}

/* Grid layout */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Snapshots */
.snapshots-list {
  max-height: 400px;
  overflow-y: auto;
}

.snapshot-item {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-primary);
  transition: background-color var(--transition-fast);
}

.snapshot-item:last-child {
  border-bottom: none;
}

.snapshot-item:hover {
  background: var(--bg-input);
  border-radius: var(--radius-md);
}

.snapshot-link {
  display: block;
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  transition: color var(--transition-fast);
}

.snapshot-link:hover {
  color: #2563eb;
  text-decoration: underline;
}

.snapshot-meta {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
}

.snapshot-domain {
  font-weight: 500;
  color: var(--accent-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
  max-width: 100%;
}

.snapshot-details {
  color: var(--text-muted);
  white-space: nowrap;
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  font-style: italic;
  padding: var(--spacing-xl);
}

/* Help section */
.help-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.help-item h3 {
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
}

.help-item code {
  display: block;
  padding: var(--spacing-sm);
  background: var(--bg-input);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: var(--font-size-sm);
  color: var(--accent-secondary);
  word-break: break-all;
  overflow-wrap: break-word;
  hyphens: auto;
  max-width: 100%;
  box-sizing: border-box;
}

.help-example {
  padding: var(--spacing-md);
  background: var(--bg-input);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
}

.help-example p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.help-example code {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--text-primary);
  word-break: break-all;
  overflow-wrap: break-word;
  hyphens: auto;
}



/* Credit text */
.credit {
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin: var(--spacing-md) 0;
}

/* Responsive design */
@media (max-width: 768px) {
  .container {
    padding: var(--spacing-md) var(--spacing-sm);
    overflow-x: hidden;
  }
  
  .panel {
    padding: var(--spacing-md);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
  }
  
  .input-group {
    flex-direction: column;
  }
  
  .grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }
  
  .snapshots-section,
  .help-section {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }
  
  .header-content {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
  
  .brand {
    font-size: var(--font-size-2xl);
  }
  
  .brand-icon {
    width: 28px;
    height: 28px;
  }
}

@media (max-width: 480px) {
  .panel {
    padding: var(--spacing-sm);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  
  .btn {
    padding: 10px 16px;
    font-size: var(--font-size-xs);
  }
  
  .form-input {
    padding: 10px 14px;
  }
  
  .snapshots-list {
    max-height: 300px;
  }
  
  .snapshot-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
}

/* iOS WebKit specific fixes */
@supports (-webkit-touch-callout: none) {
  .panel {
    width: 100vw !important;
    max-width: calc(100vw - 2rem) !important;
    margin-left: auto !important;
    margin-right: auto !important;
  }
  
  .grid {
    width: 100vw !important;
    max-width: calc(100vw - 2rem) !important;
    margin-left: auto !important;
    margin-right: auto !important;
  }
  
  .container {
    width: 100vw !important;
    max-width: 100vw !important;
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-input);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
  background: var(--border-secondary);
  border-radius: var(--radius-sm);
}

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

/* Loading animation */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.loading {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

    :root {
      color-scheme: dark;
      
      /* Colors */
      --bg-primary: #0a0b0e;
      --bg-secondary: #131720;
      --bg-tertiary: #1a2230;
      --bg-input: #0f141b;
      
      --text-primary: #e6e6e6;
      --text-secondary: #9aa4ad;
      --text-muted: #6b7280;
      
      --accent-primary: #3b82f6;
      --accent-secondary: #10b981;
      --accent-danger: #ef4444;
      --accent-warning: #f59e0b;
      
      --border-primary: #202733;
      --border-secondary: #374151;
      
      /* Shadows */
      --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
      --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
      --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
      
      /* Spacing */
      --spacing-xs: 0.25rem;
      --spacing-sm: 0.5rem;
      --spacing-md: 1rem;
      --spacing-lg: 1.5rem;
      --spacing-xl: 2rem;
      --spacing-2xl: 3rem;
      
      /* Border radius */
      --radius-sm: 0.375rem;
      --radius-md: 0.5rem;
      --radius-lg: 0.75rem;
      --radius-xl: 1rem;
      
      /* Typography */
      --font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
      --font-size-xs: 0.75rem;
      --font-size-sm: 0.875rem;
      --font-size-base: 1rem;
      --font-size-lg: 1.125rem;
      --font-size-xl: 1.25rem;
      --font-size-2xl: 1.5rem;
      --font-size-3xl: 1.875rem;
      
      /* Transitions */
      --transition-fast: 150ms ease-in-out;
      --transition-normal: 250ms ease-in-out;
      --transition-slow: 350ms ease-in-out;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-family);
      background: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.6;
      font-size: var(--font-size-base);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
      width: 100%;
      min-width: 0;
    }

    /* Typography */
    h1, h2, h3 {
      font-weight: 600;
      line-height: 1.3;
    }

    h1 {
      font-size: var(--font-size-3xl);
      font-weight: 700;
    }

    h2 {
      font-size: var(--font-size-xl);
    }

    h3 {
      font-size: var(--font-size-lg);
    }

    /* Header */
    .header {
      background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
      border-bottom: 1px solid var(--border-primary);
      position: sticky;
      top: 0;
      z-index: 100;
      backdrop-filter: blur(10px);
      background: rgba(10, 11, 14, 0.8);
    }

    .header-content {
      max-width: 1200px;
      margin: 0 auto;
      padding: var(--spacing-xl) var(--spacing-md);
      text-align: center;
    }

    .brand {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: var(--spacing-sm);
      color: var(--text-primary);
      margin-bottom: var(--spacing-xs);
    }

    .brand-icon {
      width: 32px;
      height: 32px;
      color: var(--accent-primary);
    }

    .brand-subtitle {
      color: var(--text-secondary);
      font-size: var(--font-size-sm);
      font-weight: 400;
    }

    /* Main content */
    .main {
      min-height: calc(100vh - 200px);
      overflow-x: hidden;
      width: 100%;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: var(--spacing-xl) var(--spacing-md);
      width: 100%;
      box-sizing: border-box;
      -webkit-box-sizing: border-box;
      -moz-box-sizing: border-box;
    }

    /* Panels */
    .panel {
      background: var(--bg-secondary);
      border: 1px solid var(--border-primary);
      border-radius: var(--radius-xl);
      padding: var(--spacing-xl);
      box-shadow: var(--shadow-md);
      transition: all var(--transition-normal);
      width: 100%;
      max-width: 100%;
      box-sizing: border-box;
      -webkit-box-sizing: border-box;
      -moz-box-sizing: border-box;
    }

    .panel:hover {
      border-color: var(--border-secondary);
      box-shadow: var(--shadow-lg);
    }

    .panel--primary:hover {
      border-color: var(--accent-primary);
      box-shadow: var(--shadow-lg);
    }

    .panel--primary {
      background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
      border-color: var(--border-primary);
    }

    /* Archive a URL section */
    .archive-section {
      width: 100%;
      max-width: 100%;
      box-sizing: border-box;
      -webkit-box-sizing: border-box;
      -moz-box-sizing: border-box;
    }

    /* Snapshots and Help sections */
    .snapshots-section,
    .help-section {
      width: 100%;
      max-width: 100%;
      box-sizing: border-box;
      -webkit-box-sizing: border-box;
      -moz-box-sizing: border-box;
    }

    .panel-title {
      display: flex;
      align-items: center;
      gap: var(--spacing-sm);
      margin-bottom: var(--spacing-lg);
      color: var(--text-primary);
    }

    .panel-icon {
      width: 20px;
      height: 20px;
      color: var(--accent-primary);
    }

    /* Forms */
    .archive-form {
      display: flex;
      flex-direction: column;
      gap: var(--spacing-lg);
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: var(--spacing-sm);
    }

    .form-label {
      font-size: var(--font-size-sm);
      font-weight: 500;
      color: var(--text-secondary);
    }

    .input-group {
      display: flex;
      gap: var(--spacing-sm);
      align-items: stretch;
    }

    .form-input {
      flex: 1;
      padding: 12px 16px;
      border: 1px solid var(--border-primary);
      border-radius: var(--radius-lg);
      background: var(--bg-input);
      color: var(--text-primary);
      font-size: var(--font-size-base);
      font-family: inherit;
      transition: all var(--transition-fast);
      outline: none;
    }

    .form-input:focus {
      border-color: var(--accent-primary);
      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    }

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

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: var(--spacing-xs);
      padding: 12px 20px;
      border: 1px solid var(--border-primary);
      border-radius: var(--radius-lg);
      background: var(--bg-tertiary);
      color: var(--text-primary);
      font-size: var(--font-size-sm);
      font-weight: 500;
      font-family: inherit;
      cursor: pointer;
      transition: all var(--transition-fast);
      text-decoration: none;
      white-space: nowrap;
    }

    .btn:hover {
      background: var(--bg-secondary);
      border-color: var(--border-secondary);
      transform: translateY(-1px);
    }

    .btn:active {
      transform: translateY(0);
    }

    .btn:disabled {
      opacity: 0.6;
      cursor: not-allowed;
      transform: none;
    }

    .btn--primary {
      background: var(--accent-primary);
      color: white;
      border-color: var(--accent-primary);
    }

    .btn--primary:hover {
      background: #2563eb;
      border-color: #2563eb;
    }

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

    .btn-icon {
      width: 16px;
      height: 16px;
    }

    /* Status */
    .status {
      margin-top: var(--spacing-md);
      padding: var(--spacing-md);
      border-radius: var(--radius-md);
      font-size: var(--font-size-sm);
      background: var(--bg-input);
      border: 1px solid var(--border-primary);
      color: var(--text-secondary);
      min-height: 40px;
      display: flex;
      align-items: center;
      opacity: 0;
      transform: translateY(-10px);
      transition: all var(--transition-normal);
      pointer-events: none;
    }

    .status:not(:empty) {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }

    .status.error {
      border-color: var(--accent-danger);
      color: var(--accent-danger);
      background: rgba(239, 68, 68, 0.1);
    }

    .status.success {
      border-color: var(--accent-secondary);
      color: var(--accent-secondary);
      background: rgba(16, 185, 129, 0.1);
    }

    /* Grid layout */
    .grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--spacing-xl);
      margin-top: var(--spacing-xl);
      width: 100%;
      max-width: 100%;
      box-sizing: border-box;
    }

    /* Snapshots */
    .snapshots-list {
      max-height: 400px;
      overflow-y: auto;
    }

    .snapshot-item {
      padding: var(--spacing-md);
      border-bottom: 1px solid var(--border-primary);
      transition: background-color var(--transition-fast);
    }

    .snapshot-item:last-child {
      border-bottom: none;
    }

    .snapshot-item:hover {
      background: var(--bg-input);
      border-radius: var(--radius-md);
    }

    .snapshot-link {
      display: block;
      color: var(--accent-primary);
      text-decoration: none;
      font-weight: 500;
      margin-bottom: var(--spacing-xs);
      transition: color var(--transition-fast);
    }

    .snapshot-link:hover {
      color: #2563eb;
      text-decoration: underline;
    }

    .snapshot-meta {
      font-size: var(--font-size-sm);
      color: var(--text-secondary);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: var(--spacing-sm);
    }

    .snapshot-domain {
      font-weight: 500;
      color: var(--accent-primary);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      flex: 1;
      min-width: 0;
      max-width: 100%;
    }

    .snapshot-details {
      color: var(--text-muted);
      white-space: nowrap;
    }

    .empty-state {
      text-align: center;
      color: var(--text-muted);
      font-style: italic;
      padding: var(--spacing-xl);
    }

    /* Help section */
    .help-content {
      display: flex;
      flex-direction: column;
      gap: var(--spacing-lg);
    }

    .help-item h3 {
      font-size: var(--font-size-sm);
      font-weight: 500;
      margin-bottom: var(--spacing-xs);
      color: var(--text-secondary);
    }

    .help-item code {
      display: block;
      padding: var(--spacing-sm);
      background: var(--bg-input);
      border: 1px solid var(--border-primary);
      border-radius: var(--radius-md);
      font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
      font-size: var(--font-size-sm);
      color: var(--accent-secondary);
      word-break: break-all;
      overflow-wrap: break-word;
      hyphens: auto;
      max-width: 100%;
      box-sizing: border-box;
    }

    .help-example {
      padding: var(--spacing-md);
      background: var(--bg-input);
      border: 1px solid var(--border-primary);
      border-radius: var(--radius-md);
    }

    .help-example p {
      font-size: var(--font-size-sm);
      color: var(--text-secondary);
      margin-bottom: var(--spacing-xs);
    }

    .help-example code {
      background: transparent;
      border: none;
      padding: 0;
      color: var(--text-primary);
      word-break: break-all;
      overflow-wrap: break-word;
      hyphens: auto;
    }

    /* Credit text */
    .credit {
      text-align: center;
      color: var(--text-muted);
      font-size: var(--font-size-sm);
      margin: var(--spacing-md) 0;
    }

    /* Responsive design */
    @media (max-width: 768px) {
      .container {
        padding: var(--spacing-md) var(--spacing-sm);
        overflow-x: hidden;
      }
      
      .panel {
        padding: var(--spacing-md);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow: hidden;
      }
      
      .input-group {
        flex-direction: column;
      }
      
      .grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        width: 100%;
        max-width: 100%;
        overflow: hidden;
      }
      
      .snapshots-section,
      .help-section {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
      }
      
      .header-content {
        padding: var(--spacing-lg) var(--spacing-sm);
      }
      
      .brand {
        font-size: var(--font-size-2xl);
      }
      
      .brand-icon {
        width: 28px;
        height: 28px;
      }
    }

    @media (max-width: 480px) {
      .panel {
        padding: var(--spacing-sm);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
      }
      
      .btn {
        padding: 10px 16px;
        font-size: var(--font-size-xs);
      }
      
      .form-input {
        padding: 10px 14px;
      }
      
      .snapshots-list {
        max-height: 300px;
      }
      
      .snapshot-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
      }
    }

    /* iOS WebKit specific fixes */
    @supports (-webkit-touch-callout: none) {
      .panel {
        width: 100vw !important;
        max-width: calc(100vw - 2rem) !important;
        margin-left: auto !important;
        margin-right: auto !important;
      }
      
      .grid {
        width: 100vw !important;
        max-width: calc(100vw - 2rem) !important;
        margin-left: auto !important;
        margin-right: auto !important;
      }
      
      .container {
        width: 100vw !important;
        max-width: 100vw !important;
        padding-left: 1rem !important;
        padding-right: 1rem !important;
      }
    }

    /* Scrollbar styling */
    ::-webkit-scrollbar {
      width: 8px;
    }

    ::-webkit-scrollbar-track {
      background: var(--bg-input);
      border-radius: var(--radius-sm);
    }

    ::-webkit-scrollbar-thumb {
      background: var(--border-secondary);
      border-radius: var(--radius-sm);
    }

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

    /* Loading animation */
    @keyframes pulse {
      0%, 100% {
        opacity: 1;
      }
      50% {
        opacity: 0.5;
      }
    }

    .loading {
      animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }