/* Online Clipboard Consolidated Production Stylesheet */
:root {
  /* Core Color Palette */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-tertiary: #F1F5F9;
  --text-primary: #111827;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --border-color: #E2E8F0;
  --border-focus: #93C5FD;
  
  /* Brand Accent Colors */
  --accent-primary: #2563EB;
  --accent-hover: #1D4ED8;
  --accent-light: #EFF6FF;
  --accent-border: #BFDBFE;
  
  /* State Colors */
  --success: #16A34A;
  --success-light: #F0FDF4;
  --success-border: #BBF7D0;
  --error: #DC2626;
  --error-light: #FEF2F2;
  --error-border: #FECACA;
  --warning: #D97706;
  --warning-light: #FFFBEB;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  
  /* Shadows - Minimal & Light */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.2);
  
  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  
  /* Layout Sizing */
  --container-max-width: 1200px;
  --header-height: 64px;
}


/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

#mainContent {
  width: 100%;
  flex: 1 0 auto;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  font-size: 1rem;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 1rem;
  background: var(--accent-primary);
  color: #FFFFFF;
  padding: 0.5rem 1rem;
  z-index: 100;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
  outline: 2px solid var(--text-primary);
}

/* Header */
.site-header {
  height: var(--header-height);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand-logo:hover {
  color: var(--accent-primary);
}

.brand-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-icon svg {
  width: 100%;
  height: 100%;
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  padding: 0.375rem 0.5rem;
  border-radius: var(--radius-sm);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-primary);
}

.header-actions {
  display: none;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

.mobile-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(17, 24, 39, 0.4);
  backdrop-filter: blur(4px);
  z-index: 49;
}

.mobile-nav-drawer.open {
  display: block;
}

.mobile-nav-content {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-lg);
}

.mobile-nav-content .nav-link {
  font-size: 1.0625rem;
  font-weight: 500;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
}

.mobile-nav-content .nav-link:hover,
.mobile-nav-content .nav-link.active {
  background: var(--bg-secondary);
  color: var(--accent-primary);
}

@media (min-width: 860px) {
  .desktop-nav, .header-actions {
    display: flex;
  }
  .mobile-menu-btn {
    display: none;
  }
}

/* Hero Section */
.hero-section {
  padding: 2rem 0 1.25rem;
  text-align: center;
}

.hero-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.hero-subheading {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.hero-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .hero-section {
    padding: 2.75rem 0 1.75rem;
  }
  .hero-title {
    font-size: 2.75rem;
  }
  .hero-subheading {
    font-size: 1.25rem;
  }
  .hero-description {
    font-size: 1rem;
  }
}

/* Main Content Layout with Desktop Sidebar */
.content-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin: 1.5rem auto 3rem;
}

/* Ensure smooth section navigation with sticky header offset */
section[id],
article[id],
.clipboard-card,
.share-card,
.history-card,
.info-card,
.faq-card {
  scroll-margin-top: calc(var(--header-height) + 1.5rem);
}

@media (min-width: 1024px) {
  .content-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }
}

.main-column {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-column {
  display: none;
}

@media (min-width: 1024px) {
  .sidebar-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: calc(var(--header-height) + 1.5rem);
  }
}

/* Section Headings */
.section-header {
  margin-bottom: 1.25rem;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.375rem;
}

.section-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 260px;
  max-width: 380px;
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  animation: toastIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  background: var(--text-primary);
  color: #FFFFFF;
}

.toast.toast-success {
  background: var(--success);
}

.toast.toast-error {
  background: var(--error);
}

.toast.toast-info {
  background: var(--accent-primary);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Footer */
.site-footer {
  margin-top: auto;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-col h3, .footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 320px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}


/* ==========================================================================
   CLIPBOARD MAIN CARD & TEXT EDITOR
   ========================================================================== */

.clipboard-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.clipboard-card:focus-within {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-focus);
}

/* Card Header */
.clipboard-card-header {
  padding: 0.875rem 1.25rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.card-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.save-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.save-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  display: inline-block;
  transition: background-color var(--transition-fast);
}

.save-status-dot.saving {
  background: var(--warning);
  animation: pulse 1s infinite alternate;
}

@keyframes pulse {
  from { opacity: 0.4; }
  to { opacity: 1; }
}

/* Textarea Editor */
.editor-container {
  position: relative;
  width: 100%;
}

.clipboard-textarea {
  width: 100%;
  min-height: 280px;
  max-height: 600px;
  padding: 1.25rem;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: transparent;
  border: none;
  resize: vertical;
  outline: none;
  word-break: break-word;
  white-space: pre-wrap;
}

.clipboard-textarea::placeholder {
  color: var(--text-muted);
}

/* Live Statistics Bar */
.editor-stats-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.625rem 1.25rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
  gap: 0.75rem;
}

.stats-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.stat-item strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Action Toolbar */
.clipboard-toolbar {
  padding: 1rem 1.25rem;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.toolbar-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  width: 100%;
}

@media (min-width: 640px) {
  .toolbar-group {
    width: auto;
  }
}

/* Action Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.125rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  min-height: 42px;
  user-select: none;
}

.btn-primary {
  background: var(--accent-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #FFFFFF;
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-primary.btn-copied {
  background: var(--success) !important;
}

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

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--text-muted);
}

.btn-secondary:active {
  transform: translateY(1px);
}

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

.btn-danger:hover {
  background: var(--error-light);
  border-color: var(--error-border);
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  min-height: 32px;
}

/* ==========================================================================
   CONFIRMATION MODAL
   ========================================================================== */

.modal-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(17, 24, 39, 0.45);
  backdrop-filter: blur(4px);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-backdrop.open {
  display: flex;
}

.modal-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  max-width: 440px;
  width: 100%;
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  animation: modalIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.modal-header {
  margin-bottom: 0.75rem;
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-body {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* ==========================================================================
   SHARE CLIPBOARD SECTION
   ========================================================================== */

.share-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.share-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.share-config-row {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 640px) {
  .share-config-row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.expiration-selector {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.expiration-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.pill-group {
  display: inline-flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 2px;
}

.pill-btn {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.pill-btn:hover {
  color: var(--text-primary);
}

.pill-btn.active {
  background: var(--bg-primary);
  color: var(--accent-primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* Share Result Box */
.share-result-container {
  display: none;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  animation: fadeIn 0.3s ease;
}

.share-result-container.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.share-result-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
}

@media (min-width: 768px) {
  .share-result-grid {
    grid-template-columns: 1fr 180px;
  }
}

.share-url-box {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.share-input-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.share-input {
  flex: 1;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-primary);
  outline: none;
}

.share-input:focus {
  border-color: var(--accent-primary);
  background: var(--bg-primary);
}

.share-meta-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.badge-expiry {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  background: var(--warning-light);
  color: var(--warning);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

/* QR Code Section */
.qr-code-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
}

.qr-code-box {
  width: 140px;
  height: 140px;
  padding: 6px;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-code-box img {
  width: 100%;
  height: 100%;
  display: block;
}

.qr-scan-instruction {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  max-width: 160px;
}

/* Privacy Warning Alert */
.privacy-alert {
  margin-top: 1.25rem;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   SHARED CLIPBOARD DIRECT VIEWER (/c/:id)
   ========================================================================== */

.shared-view-banner {
  background: var(--accent-light);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.shared-view-info h2 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.25rem;
}

.shared-view-info p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   RECENT CLIPBOARDS (LOCAL HISTORY)
   ========================================================================== */

.history-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.history-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.toggle-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.toggle-checkbox {
  accent-color: var(--accent-primary);
  cursor: pointer;
  width: 16px;
  height: 16px;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  gap: 1rem;
  transition: border-color var(--transition-fast);
}

.history-item:hover {
  border-color: var(--accent-border);
}

.history-content {
  flex: 1;
  min-width: 0;
}

.history-snippet {
  font-size: 0.875rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.25rem;
}

.history-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.history-actions {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-secondary);
}

.empty-state-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.empty-state-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   ADSENSE MONETIZATION SLOTS
   CLS Prevention: Explicit Min-Height & Aspect Ratio Reservation
   ========================================================================== */

.ad-slot-wrapper {
  margin: 1.5rem auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ad-slot {
  background: var(--bg-secondary);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  text-align: center;
  overflow: hidden;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.ad-label {
  position: absolute;
  top: 4px;
  left: 8px;
  font-size: 0.6875rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  z-index: 1;
}

.ad-slot ins.adsbygoogle {
  width: 100% !important;
  display: block !important;
  min-height: inherit;
}

.ad-slot-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 1rem;
}

.ad-slot-placeholder svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
  opacity: 0.6;
}

/* Specific Slot Sizes to Prevent Layout Shift */
.ad-slot-header {
  min-height: 90px;
  max-width: 728px;
}

@media (max-width: 767px) {
  .ad-slot-header {
    min-height: 100px;
    max-width: 320px;
  }
}

.ad-slot-hero {
  min-height: 90px;
  max-width: 728px;
}

.ad-slot-tool {
  min-height: 120px;
}

.ad-slot-content {
  min-height: 250px;
}

.ad-slot-sidebar {
  min-height: 280px;
  width: 300px;
}

.ad-slot-faq {
  min-height: 90px;
}

.ad-slot-footer {
  min-height: 90px;
}

/* ==========================================================================
   INFORMATIONAL SECTIONS & USE CASES
   ========================================================================== */

.info-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-sm);
}

.info-lead {
  font-size: 1.0625rem;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

/* 4-Step Process Grid */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

@media (min-width: 640px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-primary);
  color: #FFFFFF;
  font-size: 0.875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.25rem;
}

.step-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Use Cases Grid */
.use-cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

@media (min-width: 640px) {
  .use-cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .use-cases-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.use-case-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.use-case-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-border);
}

.use-case-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--accent-light);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.875rem;
}

.use-case-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.375rem;
}

.use-case-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Privacy Guarantee Card */
.privacy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

@media (min-width: 768px) {
  .privacy-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.privacy-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.privacy-box h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.privacy-box p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.privacy-warning-callout {
  margin-top: 1.25rem;
  padding: 1rem;
  background: var(--error-light);
  border: 1px solid var(--error-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: #991B1B;
  line-height: 1.5;
  font-weight: 500;
}

/* ==========================================================================
   FAQ ACCORDION (ACCESSIBLE & SEO FRIENDLY)
   ========================================================================== */

.faq-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-sm);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-primary);
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--accent-border);
}

.faq-button {
  width: 100%;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: background var(--transition-fast);
}

.faq-button:hover {
  background: var(--bg-tertiary);
}

.faq-button:focus-visible {
  outline: 2px solid var(--accent-primary);
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.faq-button[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-button[aria-expanded="true"] {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
}

.faq-panel {
  display: none;
  padding: 1rem 1.25rem 1.25rem;
  background: var(--bg-primary);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  border-top: 1px solid var(--border-color);
}

.faq-panel.open {
  display: block;
  animation: fadeIn 0.2s ease;
}


/* ==========================================================================
   LEGAL PAGES & CONTACT VIEW STYLES
   ========================================================================== */

.legal-article {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.5rem 1.5rem;
  box-shadow: var(--shadow-sm);
  max-width: 900px;
  margin: 0 auto 3rem;
}

@media (min-width: 768px) {
  .legal-article {
    padding: 3rem 2.5rem;
  }
}

.legal-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}

.legal-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.legal-updated {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.legal-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.legal-content h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.legal-content p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.legal-content ul, .legal-content ol {
  margin: 0.75rem 0 1.25rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.legal-content li {
  margin-bottom: 0.375rem;
}

/* Contact Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--text-primary);
  background: var(--bg-secondary);
  outline: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-primary);
  background: var(--bg-primary);
  box-shadow: var(--shadow-focus);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-info-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-info-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-info-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.contact-info-val {
  font-size: 0.9375rem;
  color: var(--text-primary);
  font-weight: 500;
}