/**
 * Underlayer — design tokens & layout
 * Dark cybersecurity / forensics aesthetic (intentional for this product)
 */

:root {
  --ul-bg: #0b0f14;
  --ul-bg-elevated: #121820;
  --ul-bg-panel: #151c26;
  --ul-bg-hover: #1a2330;
  --ul-border: #243041;
  --ul-border-strong: #2f3f55;
  --ul-text: #e6edf5;
  --ul-text-muted: #8b9bb0;
  --ul-text-dim: #6a7a90;
  --ul-accent: #3d9cfd;
  --ul-accent-dim: rgba(61, 156, 253, 0.15);
  --ul-accent-hover: #5aafff;
  --ul-success: #3ecf8e;
  --ul-success-dim: rgba(62, 207, 142, 0.12);
  --ul-warn: #e6b84d;
  --ul-warn-dim: rgba(230, 184, 77, 0.12);
  --ul-danger: #e85d6a;
  --ul-danger-dim: rgba(232, 93, 106, 0.12);
  --ul-radius: 8px;
  --ul-radius-sm: 4px;
  --ul-font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --ul-mono: "IBM Plex Mono", ui-monospace, monospace;
  --ul-shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 8px 24px rgba(0, 0, 0, 0.35);
  --ul-header-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.ul-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--ul-font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ul-text);
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(61, 156, 253, 0.08), transparent 55%),
    linear-gradient(180deg, #0e141c 0%, var(--ul-bg) 40%);
  background-attachment: fixed;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: 0.5rem 1rem;
  background: var(--ul-accent);
  color: #041018;
  font-weight: 600;
}

.skip-link:focus {
  left: 0.75rem;
  top: 0.75rem;
}

.ul-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.is-hidden {
  display: none !important;
}

/* Header */
.ul-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--ul-border);
  background: rgba(11, 15, 20, 0.92);
  backdrop-filter: blur(10px);
}

.ul-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: var(--ul-header-h);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.ul-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.ul-brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background:
    linear-gradient(135deg, transparent 40%, var(--ul-accent) 40%, var(--ul-accent) 48%, transparent 48%),
    linear-gradient(225deg, #1a2838 0%, #0d1520 100%);
  border: 1px solid var(--ul-border-strong);
  flex-shrink: 0;
}

.ul-brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.ul-brand-name {
  font-family: var(--ul-mono);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ul-text);
}

.ul-brand-tagline {
  font-size: 0.75rem;
  color: var(--ul-text-muted);
}

.ul-nav {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.ul-nav-link {
  padding: 0.45rem 0.9rem;
  border-radius: var(--ul-radius-sm);
  font-family: var(--ul-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ul-text-muted);
  border: 1px solid transparent;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.ul-nav-link:hover {
  color: var(--ul-text);
  background: var(--ul-bg-hover);
}

.ul-nav-link.is-active {
  color: var(--ul-accent);
  background: var(--ul-accent-dim);
  border-color: rgba(61, 156, 253, 0.25);
}

/* Main */
.ul-main {
  padding: 1.5rem 0 3rem;
}

.ul-privacy-banner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(61, 156, 253, 0.25);
  border-radius: var(--ul-radius);
  background: var(--ul-accent-dim);
  color: var(--ul-text-muted);
  font-size: 0.875rem;
}

.ul-page-intro {
  margin-bottom: 1.75rem;
}

.ul-page-title {
  margin: 0 0 0.35rem;
  font-family: var(--ul-mono);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.ul-page-desc {
  margin: 0;
  max-width: 42rem;
  color: var(--ul-text-muted);
}

/* Grid / panels */
.ul-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.ul-panel {
  background: var(--ul-bg-panel);
  border: 1px solid var(--ul-border);
  border-radius: var(--ul-radius);
  box-shadow: var(--ul-shadow);
  overflow: hidden;
}

.ul-panel-wide {
  grid-column: 1 / -1;
}

.ul-panel-warn {
  border-color: rgba(230, 184, 77, 0.35);
}

.ul-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.85rem 1.15rem;
  border-bottom: 1px solid var(--ul-border);
  background: var(--ul-bg-elevated);
}

.ul-panel-title {
  margin: 0;
  font-family: var(--ul-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ul-text-muted);
}

.ul-panel-body {
  padding: 1.15rem;
}

/* Dropzone */
.ul-dropzone {
  position: relative;
  border: 1px dashed var(--ul-border-strong);
  border-radius: var(--ul-radius);
  background: rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.ul-dropzone:hover,
.ul-dropzone:focus {
  outline: none;
  border-color: var(--ul-accent);
  background: var(--ul-accent-dim);
}

.ul-dropzone.is-dragover {
  border-color: var(--ul-accent);
  background: var(--ul-accent-dim);
  border-style: solid;
}

.ul-dropzone-inner {
  padding: 2rem 1.25rem;
  text-align: center;
}

.ul-dropzone-icon {
  color: var(--ul-accent);
  margin-bottom: 0.75rem;
}

.ul-dropzone-title {
  margin: 0 0 0.35rem;
  font-weight: 600;
  color: var(--ul-text);
}

.ul-dropzone-sub {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ul-text-muted);
}

.ul-dropzone-warn {
  margin: 0.85rem 0 0;
  font-size: 0.8rem;
  color: var(--ul-warn);
}

/* Preview */
.ul-preview-wrap {
  margin-top: 1rem;
}

.ul-preview-frame {
  border: 1px solid var(--ul-border);
  border-radius: var(--ul-radius);
  background:
    linear-gradient(45deg, #1a2230 25%, transparent 25%),
    linear-gradient(-45deg, #1a2230 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #1a2230 75%),
    linear-gradient(-45deg, transparent 75%, #1a2230 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  background-color: #0d1218;
  padding: 0.75rem;
  text-align: center;
  max-height: 320px;
  overflow: auto;
}

.ul-preview-img {
  max-width: 100%;
  max-height: 280px;
  height: auto;
  vertical-align: middle;
}

/* Meta */
.ul-meta-list {
  margin: 0;
}

.ul-meta-row {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 0.75rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(36, 48, 65, 0.7);
  font-size: 0.9rem;
}

.ul-meta-row:last-child {
  border-bottom: 0;
}

.ul-meta-row dt {
  margin: 0;
  color: var(--ul-text-dim);
  font-family: var(--ul-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  align-self: center;
}

.ul-meta-row dd {
  margin: 0;
  font-family: var(--ul-mono);
  font-size: 0.85rem;
  word-break: break-all;
  color: var(--ul-text);
}

.ul-meta-emphasis dd {
  color: var(--ul-accent);
  font-weight: 600;
}

.ul-hint {
  margin: 1rem 0 0;
  font-size: 0.8rem;
  color: var(--ul-text-dim);
}

.ul-empty {
  margin: 0;
  padding: 1.25rem;
  text-align: center;
  color: var(--ul-text-dim);
  border: 1px dashed var(--ul-border);
  border-radius: var(--ul-radius);
}

/* Badges */
.ul-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: var(--ul-radius-sm);
  font-family: var(--ul-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ul-badge-info {
  color: var(--ul-accent);
  background: var(--ul-accent-dim);
  border: 1px solid rgba(61, 156, 253, 0.3);
}

.ul-badge-muted {
  color: var(--ul-text-muted);
  background: rgba(139, 155, 176, 0.1);
  border: 1px solid var(--ul-border);
}

.ul-badge-success {
  color: var(--ul-success);
  background: var(--ul-success-dim);
  border: 1px solid rgba(62, 207, 142, 0.3);
}

.ul-badge-warn {
  color: var(--ul-warn);
  background: var(--ul-warn-dim);
  border: 1px solid rgba(230, 184, 77, 0.3);
}

.ul-badge-danger {
  color: var(--ul-danger);
  background: var(--ul-danger-dim);
  border: 1px solid rgba(232, 93, 106, 0.3);
}

/* Buttons */
.ul-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.ul-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--ul-radius-sm);
  border: 1px solid transparent;
  font-family: var(--ul-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, opacity 0.15s;
}

.ul-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.ul-btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.72rem;
}

.ul-btn-primary {
  background: var(--ul-accent);
  color: #041018;
  border-color: var(--ul-accent);
}

.ul-btn-primary:hover:not(:disabled) {
  background: var(--ul-accent-hover);
  color: #041018;
}

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

.ul-btn-secondary:hover:not(:disabled) {
  border-color: var(--ul-accent);
  color: var(--ul-accent);
}

.ul-btn-ghost {
  background: transparent;
  color: var(--ul-text-muted);
  border-color: var(--ul-border);
}

.ul-btn-ghost:hover:not(:disabled) {
  color: var(--ul-text);
  border-color: var(--ul-border-strong);
}

.ul-btn-danger {
  background: transparent;
  color: var(--ul-danger);
  border-color: rgba(232, 93, 106, 0.4);
}

.ul-btn-danger:hover:not(:disabled) {
  background: var(--ul-danger-dim);
}

/* Payloads */
.ul-payload-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.ul-payload-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: start;
  padding: 0.85rem 1rem;
  border: 1px solid var(--ul-border);
  border-radius: var(--ul-radius);
  background: rgba(0, 0, 0, 0.18);
}

.ul-payload-card-main {
  min-width: 0;
}

.ul-payload-type {
  display: inline-block;
  margin-bottom: 0;
  font-family: var(--ul-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ul-accent);
}

.ul-payload-type-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.25rem;
}

.ul-payload-kind {
  text-transform: uppercase;
}

.ul-payload-name {
  margin: 0;
  font-weight: 600;
  word-break: break-word;
}

.ul-payload-meta {
  margin: 0.25rem 0 0;
  font-family: var(--ul-mono);
  font-size: 0.75rem;
  color: var(--ul-text-dim);
}

.ul-extracted-card {
  grid-template-columns: 1fr;
}

.ul-payload-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: flex-start;
  justify-content: flex-end;
}

.ul-payload-summary {
  margin: 0 0 0.85rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--ul-border);
  border-radius: var(--ul-radius-sm);
  background: rgba(0, 0, 0, 0.2);
  font-family: var(--ul-mono);
  font-size: 0.78rem;
  color: var(--ul-text-muted);
}

.ul-payload-summary.is-warn {
  color: var(--ul-warn);
  border-color: rgba(230, 184, 77, 0.35);
  background: var(--ul-warn-dim);
}

.ul-payload-index {
  font-variant-numeric: tabular-nums;
}

.ul-extracted-text {
  margin: 0.75rem 0 0;
  padding: 0.75rem;
  max-height: 220px;
  overflow: auto;
  border: 1px solid var(--ul-border);
  border-radius: var(--ul-radius-sm);
  background: rgba(0, 0, 0, 0.35);
  color: var(--ul-text);
  font-family: var(--ul-mono);
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.ul-audio-preview {
  display: block;
  width: 100%;
  max-width: 420px;
  margin-top: 0.75rem;
}

.ul-image-thumb-wrap {
  margin-top: 0.75rem;
  display: inline-block;
  max-width: 100%;
  border: 1px solid var(--ul-border);
  border-radius: var(--ul-radius-sm);
  background:
    linear-gradient(45deg, #1a2230 25%, transparent 25%),
    linear-gradient(-45deg, #1a2230 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #1a2230 75%),
    linear-gradient(-45deg, transparent 75%, #1a2230 75%);
  background-size: 12px 12px;
  background-position: 0 0, 0 6px, 6px -6px, -6px 0;
  background-color: #0d1218;
  padding: 0.35rem;
  overflow: hidden;
}

.ul-image-thumb {
  display: block;
  max-width: min(220px, 100%);
  max-height: 140px;
  width: auto;
  height: auto;
  object-fit: contain;
  vertical-align: middle;
}

.ul-panel-body.is-payload-drag {
  outline: 1px dashed var(--ul-accent);
  outline-offset: -4px;
  background: var(--ul-accent-dim);
}


/* Capacity */
.ul-capacity-bar {
  height: 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--ul-border);
  overflow: hidden;
  margin-bottom: 1rem;
}

.ul-capacity-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--ul-accent), #6ec8ff);
  transition: width 0.25s ease, background 0.25s ease;
}

.ul-capacity-fill.is-warn {
  background: linear-gradient(90deg, var(--ul-warn), #f0d078);
}

.ul-capacity-fill.is-over {
  background: linear-gradient(90deg, var(--ul-danger), #f08a94);
}

.ul-capacity-stats .ul-meta-row {
  grid-template-columns: 7rem 1fr;
}

.ul-alert {
  margin: 0.85rem 0 0;
  padding: 0.65rem 0.85rem;
  border-radius: var(--ul-radius-sm);
  font-size: 0.85rem;
}

.ul-alert-warn {
  color: var(--ul-warn);
  background: var(--ul-warn-dim);
  border: 1px solid rgba(230, 184, 77, 0.35);
}

.ul-alert-danger {
  color: var(--ul-danger);
  background: var(--ul-danger-dim);
  border: 1px solid rgba(232, 93, 106, 0.35);
}

/* Forms */
.ul-form-group {
  margin-bottom: 0.85rem;
}

.ul-label {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--ul-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ul-text-dim);
}

.ul-input,
.ul-textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--ul-border-strong);
  border-radius: var(--ul-radius-sm);
  background: rgba(0, 0, 0, 0.3);
  color: var(--ul-text);
  font-family: var(--ul-font);
  font-size: 0.9rem;
}

.ul-input:focus,
.ul-textarea:focus {
  outline: none;
  border-color: var(--ul-accent);
  box-shadow: 0 0 0 3px var(--ul-accent-dim);
}

.ul-input:disabled,
.ul-textarea:disabled {
  opacity: 0.5;
}

.ul-textarea {
  resize: vertical;
  min-height: 140px;
  font-family: var(--ul-mono);
}

.ul-check {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.875rem;
  color: var(--ul-text-muted);
  cursor: pointer;
}

.ul-check input {
  margin-top: 0.2rem;
}

.ul-status {
  margin: 0.85rem 0 0;
  font-size: 0.875rem;
  color: var(--ul-text-muted);
}

.ul-status-box {
  padding: 1rem;
  border: 1px solid var(--ul-border);
  border-radius: var(--ul-radius);
  background: rgba(0, 0, 0, 0.18);
  margin-bottom: 1rem;
}

.ul-status-box .ul-status {
  margin-top: 0.65rem;
}

.ul-result {
  margin-top: 1.25rem;
  padding: 1.15rem;
  border: 1px solid rgba(62, 207, 142, 0.35);
  border-radius: var(--ul-radius);
  background: var(--ul-success-dim);
}

.ul-result-title {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ul-success);
}

.ul-result .ul-btn {
  margin-top: 1rem;
}

/* Modal */
.ul-modal {
  background: var(--ul-bg-panel);
  color: var(--ul-text);
  border: 1px solid var(--ul-border-strong);
}

.ul-modal .modal-header,
.ul-modal .modal-footer {
  border-color: var(--ul-border);
}

.ul-modal .modal-title {
  font-family: var(--ul-mono);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

/* About */
.ul-about {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 48rem;
}

.ul-prose h3 {
  margin: 1rem 0 0.5rem;
  font-size: 0.95rem;
  font-family: var(--ul-mono);
  letter-spacing: 0.04em;
  color: var(--ul-text-muted);
}

.ul-prose p,
.ul-prose ul {
  color: var(--ul-text-muted);
}

.ul-prose ul {
  padding-left: 1.25rem;
}

.ul-prose li {
  margin-bottom: 0.35rem;
}

.ul-prose strong {
  color: var(--ul-text);
}

/* Footer */
.ul-footer {
  border-top: 1px solid var(--ul-border);
  padding: 1.5rem 0;
  background: rgba(0, 0, 0, 0.25);
}

.ul-footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
}

.ul-footer-brand {
  margin: 0;
  font-family: var(--ul-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

.ul-footer-ver {
  color: var(--ul-text-dim);
}

.ul-footer-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ul-text-dim);
}

/* Responsive */
@media (max-width: 900px) {
  .ul-grid {
    grid-template-columns: 1fr;
  }

  .ul-header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .ul-meta-row {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
}

@media (max-width: 576px) {
  .ul-brand-tagline {
    display: none;
  }

  .ul-nav-link {
    padding: 0.4rem 0.65rem;
  }
}

/* —— Phase 8 UX —— */
.ul-banner-dismiss {
  flex-shrink: 0;
  border: 1px solid var(--ul-border);
  background: transparent;
  color: var(--ul-text-muted);
  font-family: var(--ul-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  border-radius: var(--ul-radius-sm);
  cursor: pointer;
}

.ul-banner-dismiss:hover {
  color: var(--ul-text);
  border-color: var(--ul-border-strong);
}

.ul-input-row {
  display: flex;
  gap: 0.4rem;
  align-items: stretch;
}

.ul-input-row .ul-input {
  flex: 1;
  min-width: 0;
}

.ul-crypto-fields {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--ul-border);
  transition: opacity 0.2s ease;
}

.ul-crypto-fields.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

.ul-panel {
  animation: ul-panel-in 0.35s ease both;
}

.ul-panel:nth-child(1) { animation-delay: 0.02s; }
.ul-panel:nth-child(2) { animation-delay: 0.06s; }
.ul-panel:nth-child(3) { animation-delay: 0.1s; }
.ul-panel:nth-child(4) { animation-delay: 0.14s; }
.ul-panel:nth-child(5) { animation-delay: 0.18s; }
.ul-panel:nth-child(6) { animation-delay: 0.22s; }

@keyframes ul-panel-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ul-result {
  animation: ul-result-in 0.4s ease both;
}

@keyframes ul-result-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ul-dropzone.is-dragover {
  transform: scale(1.01);
}

.ul-toast-host {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: min(360px, calc(100vw - 2rem));
  pointer-events: none;
}

.ul-toast {
  padding: 0.75rem 0.95rem;
  border-radius: var(--ul-radius);
  border: 1px solid var(--ul-border-strong);
  background: var(--ul-bg-panel);
  color: var(--ul-text);
  font-size: 0.875rem;
  box-shadow: var(--ul-shadow);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.ul-toast.is-in {
  opacity: 1;
  transform: translateY(0);
}

.ul-toast.is-out {
  opacity: 0;
  transform: translateY(6px);
}

.ul-toast-success {
  border-color: rgba(62, 207, 142, 0.4);
  background: #12241c;
}

.ul-toast-warn {
  border-color: rgba(230, 184, 77, 0.4);
  background: #241e12;
}

.ul-toast-danger {
  border-color: rgba(232, 93, 106, 0.4);
  background: #241418;
}

.ul-toast-info {
  border-color: rgba(61, 156, 253, 0.35);
}

.ul-busy-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 12, 18, 0.55);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.ul-busy-overlay.is-in {
  opacity: 1;
}

.ul-busy-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: var(--ul-radius);
  border: 1px solid var(--ul-border-strong);
  background: var(--ul-bg-panel);
  box-shadow: var(--ul-shadow);
  font-family: var(--ul-mono);
  font-size: 0.85rem;
}

.ul-spinner {
  width: 1.1rem;
  height: 1.1rem;
  border: 2px solid rgba(61, 156, 253, 0.25);
  border-top-color: var(--ul-accent);
  border-radius: 50%;
  animation: ul-spin 0.7s linear infinite;
  flex-shrink: 0;
}

.ul-spinner-sm {
  width: 0.85rem;
  height: 0.85rem;
  border-width: 2px;
}

@keyframes ul-spin {
  to { transform: rotate(360deg); }
}

body.is-busy {
  cursor: progress;
}

.ul-btn.is-loading {
  gap: 0.5rem;
}

.ul-hint.is-ok {
  color: var(--ul-success);
}

.ul-hint.is-bad {
  color: var(--ul-danger);
}

.ul-hint.is-warn-text {
  color: var(--ul-warn);
}

@media (prefers-reduced-motion: reduce) {
  .ul-panel,
  .ul-result,
  .ul-toast,
  .ul-busy-overlay,
  .ul-dropzone,
  .ul-spinner {
    animation: none !important;
    transition: none !important;
  }

  .ul-dropzone.is-dragover {
    transform: none;
  }
}