.dv-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.4rem 1.25rem 3rem;
  font-family: Arial, sans-serif;
}

.dv-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.dv-header-controls {
  flex: 0 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.dv-kicker {
  margin: 0 0 0.25rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.48;
}

.dv-title {
  margin: 0;
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: 0;
}

.dv-subtitle {
  margin: 0.35rem 0 0;
  max-width: 42rem;
  font-size: 0.84rem;
  line-height: 1.45;
  opacity: 0.62;
}

.dv-safe-toggle {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(22, 163, 74, 0.38);
  background: rgba(22, 163, 74, 0.06);
  cursor: pointer;
  user-select: none;
}

.dv-advanced-toggle,
.dv-file-viewer-toggle {
  border-color: rgba(37, 99, 235, 0.28);
  background: rgba(37, 99, 235, 0.05);
}

.dv-advanced-toggle .dv-safe-title,
.dv-file-viewer-toggle .dv-safe-title {
  color: #1d4ed8;
}

.dv-advanced-toggle .dv-safe-note,
.dv-file-viewer-toggle .dv-safe-note {
  color: #1e40af;
}

.dv-advanced-toggle .dv-safe-slider,
.dv-file-viewer-toggle .dv-safe-slider {
  border-color: #9ca3af;
  background: #d1d5db;
}

.dv-advanced-toggle input:not(:checked) + .dv-safe-slider,
.dv-file-viewer-toggle input:not(:checked) + .dv-safe-slider {
  border-color: #9ca3af;
  background: #d1d5db;
}

.dv-advanced-toggle input:checked + .dv-safe-slider,
.dv-file-viewer-toggle input:checked + .dv-safe-slider {
  border-color: #2563eb;
  background: #3b82f6;
}

.dv-advanced-toggle input:checked + .dv-safe-slider::after,
.dv-file-viewer-toggle input:checked + .dv-safe-slider::after {
  left: 22px;
}

.dv-safe-copy {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  text-align: right;
}

.dv-safe-title {
  font-size: 0.82rem;
  font-weight: 800;
  color: #15803d;
}

.dv-safe-note {
  font-size: 0.68rem;
  color: #166534;
  opacity: 0.78;
  white-space: nowrap;
}

.dv-safe-toggle input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
  pointer-events: none;
}

.dv-safe-slider {
  position: relative;
  width: 44px;
  height: 24px;
  border: 1px solid #16a34a;
  background: #22c55e;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.dv-safe-slider::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 22px;
  width: 16px;
  height: 16px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.18);
  transition: left 0.15s ease;
}

.dv-safe-toggle input:not(:checked) + .dv-safe-slider {
  border-color: #dc2626;
  background: #ef4444;
}

.dv-safe-toggle input:not(:checked) + .dv-safe-slider::after {
  left: 4px;
}

.dv-warning {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  margin-bottom: 1rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(220, 38, 38, 0.28);
  background: rgba(220, 38, 38, 0.05);
  color: #7f1d1d;
  font-size: 0.78rem;
  line-height: 1.45;
}

.dv-toolbar {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
}

.dv-btn {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 0, 0, 0.22);
  background: #fff;
  color: inherit;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
  padding: 0.45rem 0.7rem;
  white-space: nowrap;
}

.dv-btn:hover:not(:disabled) {
  background: #f8fafc;
  border-color: rgba(0, 0, 0, 0.5);
}

.dv-btn:disabled {
  cursor: not-allowed;
  opacity: 0.38;
}

.dv-btn-danger {
  border-color: rgba(220, 38, 38, 0.55);
  color: #dc2626;
}

.dv-btn-danger:hover:not(:disabled) {
  background: rgba(220, 38, 38, 0.06);
  border-color: #dc2626;
}

.dv-filter {
  min-height: 34px;
  min-width: min(20rem, 100%);
  margin-left: auto;
  border: 1px solid rgba(0, 0, 0, 0.2);
  background: #fff;
  color: inherit;
  font-family: inherit;
  font-size: 0.78rem;
  padding: 0.45rem 0.65rem;
  outline: none;
}

.dv-filter:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 1px #2563eb;
}

.dv-status {
  margin: -0.25rem 0 0.9rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid rgba(37, 99, 235, 0.24);
  background: rgba(37, 99, 235, 0.06);
  color: #1e3a8a;
  font-size: 0.76rem;
  line-height: 1.4;
}

.dv-status.hidden {
  display: none;
}

.hidden {
  display: none !important;
}

.dv-status.is-error {
  border-color: rgba(220, 38, 38, 0.36);
  background: rgba(220, 38, 38, 0.08);
  color: #7f1d1d;
}

.dv-status.is-ok {
  border-color: rgba(22, 163, 74, 0.36);
  background: rgba(22, 163, 74, 0.08);
  color: #14532d;
}

.dv-simple-page {
  max-width: 920px;
}

.dv-file-viewer-on .dv-simple-page {
  max-width: 1180px;
}

.dv-simple-warning {
  margin-bottom: 0.85rem;
}

.dv-simple-summary {
  margin-bottom: 1rem;
}

.dv-simple-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.dv-file-viewer-panel {
  margin-top: 1rem;
}

.dv-simple-card {
  border: 1px solid rgba(0, 0, 0, 0.14);
  background: #fff;
  padding: 1rem;
}

.dv-simple-card-kicker {
  margin: 0 0 0.35rem;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.5;
}

.dv-simple-card h2 {
  margin: 0 0 0.55rem;
  font-size: 1rem;
  font-weight: 800;
}

.dv-simple-card p {
  margin: 0 0 0.5rem;
  font-size: 0.82rem;
  line-height: 1.5;
  opacity: 0.7;
}

.dv-simple-steps {
  margin: 0;
  padding-left: 1.15rem;
  font-size: 0.82rem;
  line-height: 1.55;
  opacity: 0.78;
}

.dv-simple-steps li + li {
  margin-top: 0.35rem;
}

.dv-simple-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.dv-btn-primary {
  border-color: rgba(37, 99, 235, 0.7);
  color: #1d4ed8;
}

.dv-btn-primary:hover:not(:disabled) {
  border-color: #1d4ed8;
  background: rgba(37, 99, 235, 0.06);
}

.dv-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
  margin-bottom: 0.9rem;
}

.dv-summary-card {
  border: 1px solid rgba(0, 0, 0, 0.14);
  background: #fff;
  padding: 0.75rem 0.8rem;
}

.dv-summary-label {
  margin: 0 0 0.24rem;
  font-size: 0.68rem;
  font-weight: 700;
  opacity: 0.5;
  text-transform: uppercase;
}

.dv-summary-value {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
}

.dv-explorer {
  min-height: 560px;
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  border: 1px solid rgba(0, 0, 0, 0.16);
  background: #fff;
}

.dv-sidebar {
  min-width: 0;
  border-right: 1px solid rgba(0, 0, 0, 0.14);
  display: flex;
  flex-direction: column;
}

.dv-sidebar-title {
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  font-size: 0.75rem;
  font-weight: 800;
  opacity: 0.62;
}

.dv-list {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 0.45rem;
}

.dv-group-title {
  padding: 0.55rem 0.45rem 0.3rem;
  font-size: 0.68rem;
  font-weight: 800;
  opacity: 0.42;
  text-transform: uppercase;
}

.dv-list-item {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.35rem 0.55rem;
  border: 1px solid transparent;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  padding: 0.55rem 0.5rem;
}

.dv-list-item:hover {
  background: #f8fafc;
}

.dv-list-item.is-selected {
  border-color: rgba(37, 99, 235, 0.4);
  background: rgba(37, 99, 235, 0.07);
}

.dv-item-name {
  min-width: 0;
  font-size: 0.78rem;
  font-weight: 750;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dv-item-size {
  font-size: 0.68rem;
  opacity: 0.48;
  white-space: nowrap;
}

.dv-item-detail {
  grid-column: 1 / -1;
  min-width: 0;
  font-size: 0.68rem;
  line-height: 1.35;
  opacity: 0.52;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dv-detail {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.dv-empty {
  margin: auto;
  font-size: 0.84rem;
  opacity: 0.45;
}

.dv-detail-content {
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.dv-detail-content.hidden {
  display: none;
}

.dv-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
}

.dv-detail-kind {
  margin: 0 0 0.18rem;
  font-size: 0.68rem;
  font-weight: 800;
  opacity: 0.48;
  text-transform: uppercase;
}

.dv-detail-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.dv-detail-actions {
  flex: 0 0 auto;
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.dv-meta {
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: 0.35rem 0.8rem;
  margin: 0;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  font-size: 0.74rem;
}

.dv-meta dt {
  font-weight: 800;
  opacity: 0.52;
}

.dv-meta dd {
  margin: 0;
  min-width: 0;
  overflow-wrap: anywhere;
}

.dv-preview {
  flex: 1;
  min-height: 280px;
  margin: 0;
  padding: 1rem;
  overflow: auto;
  background: #f8fafc;
  color: #111827;
  font-size: 0.72rem;
  line-height: 1.48;
  white-space: pre-wrap;
  word-break: break-word;
}

.dv-safe-off .dv-warning {
  background: rgba(220, 38, 38, 0.1);
  border-color: rgba(220, 38, 38, 0.5);
}

.dv-advanced-on .dv-warning {
  border-color: rgba(37, 99, 235, 0.38);
  background: rgba(37, 99, 235, 0.07);
  color: #1e3a8a;
}

.dark .dv-safe-toggle,
.dark .dv-advanced-toggle,
.dark .dv-file-viewer-toggle,
.dark .dv-summary-card,
.dark .dv-simple-card,
.dark .dv-explorer,
.dark .dv-btn,
.dark .dv-filter {
  background: #18181b;
}

.dark .dv-warning {
  color: #fecaca;
}

.dark.dv-advanced-on .dv-warning,
.dark .dv-advanced-on .dv-warning {
  color: #bfdbfe;
}

.dark .dv-status {
  color: #bfdbfe;
}

.dark .dv-status.is-error {
  color: #fecaca;
}

.dark .dv-status.is-ok {
  color: #bbf7d0;
}

.dark .dv-btn:hover:not(:disabled),
.dark .dv-list-item:hover {
  background: #27272a;
}

.dark .dv-list-item.is-selected {
  background: rgba(37, 99, 235, 0.18);
}

.dark .dv-preview {
  background: #09090b;
  color: #f4f4f5;
}

@media (max-width: 900px) {
  .dv-header {
    flex-direction: column;
  }

  .dv-safe-copy {
    text-align: left;
  }

  .dv-header-controls {
    justify-content: flex-start;
  }

  .dv-filter {
    width: 100%;
    margin-left: 0;
  }

  .dv-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dv-simple-grid {
    grid-template-columns: 1fr;
  }

  .dv-explorer {
    grid-template-columns: 1fr;
  }

  .dv-sidebar {
    max-height: 320px;
    border-right: 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.14);
  }
}

@media (max-width: 560px) {
  .dv-page {
    padding-inline: 0.9rem;
  }

  .dv-summary {
    grid-template-columns: 1fr;
  }

  .dv-detail-header {
    flex-direction: column;
  }

  .dv-detail-actions {
    justify-content: flex-start;
  }

  .dv-meta {
    grid-template-columns: 1fr;
  }
}