:root {
  --au-blue: #3B5CCE;
  --au-blue-dark: #1F1756;
  --primary-rgb: 59, 92, 206;
  --primary-strong-rgb: 31, 23, 86;
  --bg-gradient: radial-gradient(1200px 600px at 10% -10%, rgba(59, 92, 206, 0.35), transparent 55%),
                  radial-gradient(1000px 500px at 90% 0%, rgba(31, 23, 86, 0.35), transparent 60%),
                  linear-gradient(180deg, #f5f7ff 0%, #eef1ff 100%);
  --glass-bg: rgba(255, 255, 255, 0.6);
  --glass-border: rgba(255, 255, 255, 0.4);
  --text: #1f2937;
  --muted: #6c757d;
  --primary: var(--au-blue);
  --primary-weak: #e3e7fb;
  --primary-strong: var(--au-blue-dark);
  --accent: var(--au-blue-dark);
  --tooltip-bg: #ffffff;
  --tooltip-color: #6c757d;
}

@keyframes bgShift {
  0% { background-position: 0% 0%, 100% 0%, 0% 0%; }
  50% { background-position: 50% -10%, 50% -5%, 0% 0%; }
  100% { background-position: 0% 0%, 100% 0%, 0% 0%; }
}

body {
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  background-size: cover, cover, 100% 100%;
  animation: bgShift 18s ease-in-out infinite;
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
}

#root {
  min-height: 100%;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2.5rem);
  box-sizing: border-box;
}

.app-shell {
  width: 100%;
  padding-top: 1.25rem;
}

small,
.small,
.form-text,
.badge {
  font-size: 0.8rem;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  position: sticky;
  top: 0.5rem;
  z-index: 1030;
}

.brand .app-title {
  margin: 0;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.gradient-text {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.action-bar { display: flex; gap: 0.5rem; }

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.08);
}

.instructions-modal {
  background: #fff;
  border: 1px solid rgba(var(--primary-strong-rgb), 0.08);
  box-shadow: 0 24px 48px rgba(0,0,0,0.18);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.instructions-modal .modal-header,
.instructions-modal .modal-body,
.instructions-modal .modal-footer {
  background: transparent;
  color: var(--text);
}
.instructions-modal .modal-footer {
  border-top: 1px solid rgba(0,0,0,0.05);
}

.elevate { transition: transform 160ms ease, box-shadow 200ms ease; }
.elevate:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,0.12); }

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(0,0,0,0.06);
  color: var(--text);
  padding: 0.45rem 0.75rem;
  border-radius: 10px;
}
.btn-ghost:hover { border-color: rgba(0,0,0,0.12); background: rgba(255,255,255,0.6); }

.btn-primary-soft {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border: none;
  padding: 0.45rem 0.9rem;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(var(--primary-rgb), 0.25);
}
.btn-primary-soft:hover { filter: brightness(1.05); box-shadow: 0 10px 24px rgba(var(--primary-rgb), 0.28); }

.nav-modern .nav-link {
  position: relative;
  border: none;
  color: var(--muted);
}
.nav-modern .nav-link.active { color: var(--text); font-weight: 600; }
.nav-modern .nav-link.active::after {
  content: '';
  position: absolute;
  left: 0.75rem; right: 0.75rem; bottom: -2px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
}

/* Upload area modern */
.upload-area-modern {
  position: relative;
  padding: 2.25rem 1rem;
  text-align: center;
  border-radius: 14px;
  border: 2px dashed rgba(var(--primary-rgb), 0.25);
  background: rgba(255,255,255,0.5);
  transition: border-color 200ms ease, box-shadow 200ms ease, transform 180ms ease;
}
.upload-area-modern:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(0,0,0,0.08); }
.upload-area-modern.active { border-color: rgba(var(--primary-rgb), 0.6); box-shadow: 0 12px 28px rgba(var(--primary-rgb), 0.12); }
.upload-area-modern .upload-icon { color: var(--primary); }
.upload-area-modern .drop-indicator {
  position: absolute; inset: 0; border-radius: 14px; pointer-events: none;
  background: radial-gradient(600px 200px at 50% -10%, rgba(var(--primary-rgb), 0.15), transparent 70%);
}
.upload-divider {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--muted);
}
.upload-divider::before,
.upload-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(var(--primary-rgb), 0.2);
}

/* Sections */
.section-title {
  color: #374151;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: 0.2px;
  border-bottom: 2px solid var(--tooltip-color);
  padding-bottom: 0.4rem;
}
.forgery-section .section-title {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0.5rem;
}
.json-type-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
}
.json-type-badge,
.workflow-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.4rem 0.95rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
  box-shadow: 0 8px 16px rgba(var(--primary-rgb), 0.18);
}
.workflow-badge {
  background: linear-gradient(135deg, var(--accent), var(--primary));
}
.json-type-badge .bi,
.workflow-badge .bi {
  font-size: 1rem;
}
.card {
  border-radius: 0.75rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.card-title {
  font-weight: 600;
  color: #495057;
}
.card-subtext {
  font-size: 0.85rem;
}
.metadata-grid {
  display: grid;
  gap: 0.85rem;
}
.metadata-field {
  border: 1px solid rgba(var(--primary-rgb), 0.1);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.7);
}
.metadata-field-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.metadata-field-label::after {
  content: ':';
  margin-left: 0.35rem;
}
.metadata-field-value {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: var(--text);
  flex-wrap: wrap;
}
.metadata-field-value .bi-info-circle {
  color: var(--primary);
}
.metadata-docdata2 {
  border-top: 1px solid rgba(var(--primary-rgb), 0.12);
  padding-top: 1.5rem;
  margin-top: 1.5rem;
}
.remarks-card-header {
  gap: 1rem;
  margin-bottom: 1.5rem !important;
}
.remarks-card-header .card-title {
  gap: 0.5rem;
}
.remarks-card-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.border-success {
  border-left: 4px solid #28a745 !important;
}

.border-danger {
  border-left: 4px solid #dc3545 !important;
}

.border-warning {
  border-left: 4px solid #ffc107 !important;
}

.border-info {
  border-left: 4px solid #17a2b8 !important;
}

.accordion-button {
  font-weight: 500;
  color: #495057;
}

.accordion-button:not(.collapsed) {
  background-color: #e9ecef;
  color: #212529;
}

.accordion-button:focus {
  box-shadow: none;
  border-color: rgba(0, 0, 0, 0.125);
}

.list-group-item {
  border-left: none;
  border-right: none;
  padding: 0.75rem 1rem;
}

.list-group-item:first-child {
  border-top: none;
}

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

.badge {
  font-weight: 500;
  /* padding: 0.35em 0.65em; */
}

.tooltip {
  font-size: 0.875rem;
}

.tooltip-inner {
  max-width: 300px;
  padding: 0.5rem 0.85rem;
  text-align: left;
  white-space: pre-line;
  color: var(--tooltip-color);
  background-color: var(--tooltip-bg);
  border: 1px solid var(--tooltip-color);
  box-shadow: 0 12px 24px rgba(var(--primary-strong-rgb), 0.12);
}

.tooltip.bs-tooltip-auto[data-popper-placement^="top"] .tooltip-arrow::before,
.tooltip.bs-tooltip-top .tooltip-arrow::before {
  border-top-color: var(--tooltip-bg);
}

.tooltip.bs-tooltip-auto[data-popper-placement^="bottom"] .tooltip-arrow::before,
.tooltip.bs-tooltip-bottom .tooltip-arrow::before {
  border-bottom-color: var(--tooltip-bg);
}

.tooltip.bs-tooltip-auto[data-popper-placement^="left"] .tooltip-arrow::before,
.tooltip.bs-tooltip-start .tooltip-arrow::before {
  border-left-color: var(--tooltip-bg);
}

.tooltip.bs-tooltip-auto[data-popper-placement^="right"] .tooltip-arrow::before,
.tooltip.bs-tooltip-end .tooltip-arrow::before {
  border-right-color: var(--tooltip-bg);
}

.bi-info-circle {
  color: #ffffff;
  cursor: pointer;
  transition: color 0.2s;
}

.bi-info-circle:hover {
  color: #ffffff;
}

h3 {
  color: #495057;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.metadata-section .card {
  background-color: #f8f9fa;
}

.metadata-section p {
  margin-bottom: 0.5rem;
}

.metadata-section strong {
  color: #495057;
}

.documentation-page {
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  padding: 2rem;
}

.documentation-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.documentation-title {
  margin: 0;
  color: #495057;
}

.back-button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #6c757d;
  text-decoration: none;
  transition: color 0.2s;
}

.back-button:hover {
  color: #495057;
}

.documentation-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.documentation-table th {
  background-color: #f8f9fa;
  font-weight: 600;
  color: #495057;
  padding: 1rem;
  border-bottom: 2px solid #dee2e6;
}

.documentation-table td {
  padding: 1rem;
  border-bottom: 1px solid #dee2e6;
  vertical-align: top;
}

.documentation-table tr:hover {
  background-color: #f8f9fa;
}

.code-badge {
  font-family: monospace;
  background-color: #e9ecef;
  color: #495057;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
}

@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }
  
  .card {
    margin-bottom: 1rem;
  }
  
  .documentation-page {
    padding: 1rem;
  }
  
  .documentation-table th,
  .documentation-table td {
    padding: 0.75rem;
  }
}

.nav-tabs .nav-link {
  color: #495057;
}

.nav-tabs .nav-link.active {
  font-weight: 500;
}

pre {
  background-color: #f8f9fa;
  border: 1px solid #dee2e6;
  border-radius: 4px;
  padding: 1rem;
  margin: 1rem 0;
}

.form-control:focus {
  border-color: #80bdff;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.btn-primary {
  background-color: #007bff;
  border-color: #007bff;
}

.btn-primary:hover {
  background-color: #0069d9;
  border-color: #0062cc;
}

.alert {
  margin-top: 1rem;
}

.token-info-grid {
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .token-info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.token-info-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.token-info-heading {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.token-info-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.token-info-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(var(--primary-rgb), 0.12);
  background: rgba(var(--primary-rgb), 0.05);
}
.token-info-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-width: 110px;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(var(--primary-rgb), 0.15);
  color: var(--primary-strong);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.token-info-label .bi {
  font-size: 1rem;
}
.token-info-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  word-break: break-word;
}
.doc-tabs {
  border-bottom: 1px solid rgba(var(--primary-rgb), 0.15);
}
.doc-tabs .nav-link {
  border: none;
  color: var(--muted);
  font-weight: 500;
  padding: 0.65rem 1rem;
}
.doc-tabs .nav-link.active {
  color: var(--primary-strong);
  background: transparent;
  border-bottom: 3px solid var(--primary);
}
.doc-tab-content {
  padding-top: 1.75rem;
}
.doc-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.doc-card-header.bg-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong)) !important;
}
.doc-section + .doc-section {
  border-top: 1px solid rgba(var(--primary-rgb), 0.08);
  padding-top: 1.25rem;
}
.doc-code-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
  font-weight: 600;
  font-size: 0.8rem;
  box-shadow: 0 6px 14px rgba(var(--primary-rgb), 0.18);
}

/* Fancy dot loader */
.center-row { display: flex; align-items: center; justify-content: center; }
.dot-pulse {
  position: relative; left: -9999px; width: 10px; height: 10px;
  border-radius: 5px; background: var(--primary); color: var(--primary);
  box-shadow: 9999px 0 0 -5px var(--primary);
  animation: dotPulse 1.5s infinite linear; animation-delay: .25s;
}
.dot-pulse::before, .dot-pulse::after {
  content: ''; display: inline-block; position: absolute; top: 0; width: 10px; height: 10px; border-radius: 5px; background: var(--primary); color: var(--primary);
}
.dot-pulse::before { box-shadow: 9984px 0 0 -5px var(--primary); animation: dotPulseBefore 1.5s infinite linear; animation-delay: 0s; }
.dot-pulse::after  { box-shadow: 10014px 0 0 -5px var(--primary); animation: dotPulseAfter 1.5s infinite linear; animation-delay: .5s; }
@keyframes dotPulseBefore { 0% { box-shadow: 9984px 0 0 -5px var(--primary); } 30% { box-shadow: 9984px 0 0 2px var(--primary); } 60%, 100% { box-shadow: 9984px 0 0 -5px var(--primary); } }
@keyframes dotPulse { 0% { box-shadow: 9999px 0 0 -5px var(--primary); } 30% { box-shadow: 9999px 0 0 2px var(--primary); } 60%, 100% { box-shadow: 9999px 0 0 -5px var(--primary); } }
@keyframes dotPulseAfter { 0% { box-shadow: 10014px 0 0 -5px var(--primary); } 30% { box-shadow: 10014px 0 0 2px var(--primary); } 60%, 100% { box-shadow: 10014px 0 0 -5px var(--primary); } }