/* Migration Demo — emerald / indigo workbench */

.mg-shell {
  --accent: #34d399;
  --accent-2: #818cf8;
  --mg-emerald: #34d399;
  --mg-indigo: #818cf8;
  --ring: 0 0 0 3px rgba(129, 140, 248, 0.35);
  background:
    radial-gradient(920px 440px at 110% -20%, rgba(99, 102, 241, 0.22), transparent 55%),
    radial-gradient(720px 420px at -15% 115%, rgba(16, 185, 129, 0.16), transparent 52%),
    var(--bg);
}

.mg-shell .sidebar {
  background:
    linear-gradient(180deg, rgba(16, 185, 129, 0.08), transparent 28%),
    linear-gradient(200deg, #10182c 0%, #0d1424 100%);
  border-right-color: rgba(129, 140, 248, 0.28);
}

.mg-shell .brand svg {
  filter: drop-shadow(0 0 8px rgba(52, 211, 153, 0.35));
}

.mg-shell .nav-item.active {
  color: #ecfdf5;
  background: linear-gradient(90deg, rgba(52, 211, 153, 0.18), rgba(129, 140, 248, 0.16));
  border-color: rgba(52, 211, 153, 0.45);
}

.mg-shell .nav-item:hover {
  border-color: rgba(129, 140, 248, 0.55);
  color: #eef2ff;
}

.mg-shell .nav-item:focus-visible,
.mg-shell .btn:focus-visible,
.mg-shell .field:focus-visible,
.mg-shell .mg-select:focus-visible,
.mg-shell .mg-input:focus-visible,
.mg-shell a:focus-visible,
.mg-shell .mg-check input:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

.mg-shell .topbar {
  border-bottom-color: rgba(129, 140, 248, 0.22);
  background: rgba(11, 18, 32, 0.82);
}

.mg-h {
  margin: 0 0 6px;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.mg-import {
  display: grid;
  grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: stretch;
}

.mg-rail {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background:
    linear-gradient(180deg, rgba(52, 211, 153, 0.08), transparent 40%),
    var(--panel);
}

.mg-source,
.mg-upload {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  text-align: left;
  width: 100%;
  height: auto;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid rgba(129, 140, 248, 0.28);
  background: rgba(15, 23, 42, 0.55);
  cursor: pointer;
}

.mg-source:hover,
.mg-upload:hover {
  border-color: var(--mg-emerald);
  background: rgba(16, 185, 129, 0.08);
  transform: translateY(-1px);
}

.mg-source.is-active {
  border-color: var(--mg-emerald);
  box-shadow: inset 3px 0 0 var(--mg-emerald);
  background: rgba(16, 185, 129, 0.12);
}

.mg-source-kicker {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mg-indigo);
}

.mg-upload input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.mg-paste {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
  background:
    linear-gradient(135deg, rgba(99, 102, 241, 0.1), transparent 42%),
    var(--panel);
}

.mg-textarea {
  min-height: 240px;
  resize: vertical;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.5;
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #0c1322;
  padding: 12px;
}

.mg-textarea:hover,
.mg-input:hover,
.mg-select:hover {
  border-color: rgba(129, 140, 248, 0.7);
}

.mg-steps {
  margin-top: var(--space-4);
}

.mg-shell .table tbody tr:hover td {
  background: rgba(99, 102, 241, 0.08);
}

.mg-gap {
  color: var(--warn);
}

.mg-ok {
  color: var(--ok);
}

.mg-map {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.mg-lane {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 0;
  border: 1px solid rgba(129, 140, 248, 0.28);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.mg-lane:hover {
  border-color: rgba(52, 211, 153, 0.55);
}

.mg-lane-meta {
  padding: 16px;
  background:
    linear-gradient(180deg, rgba(52, 211, 153, 0.14), rgba(99, 102, 241, 0.08));
  border-right: 1px solid rgba(129, 140, 248, 0.22);
}

.mg-lane-index {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mg-indigo);
}

.mg-lane-meta h3 {
  margin: 4px 0;
  font-size: 1rem;
}

.mg-lane-fields {
  padding: 8px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mg-field {
  display: grid;
  grid-template-columns: minmax(120px, 0.8fr) minmax(140px, 0.9fr) minmax(180px, 1.3fr);
  gap: 8px;
  align-items: center;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.mg-field:hover {
  background: rgba(15, 23, 42, 0.55);
}

.mg-field.is-missing {
  background: rgba(251, 113, 133, 0.08);
  box-shadow: inset 3px 0 0 var(--danger);
}

.mg-field-name {
  font-family: var(--mono);
  font-size: 12.5px;
}

.mg-select,
.mg-input {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #0c1322;
  padding: 8px 10px;
}

.mg-arrow {
  align-self: center;
  justify-self: center;
  width: 2px;
  height: 18px;
  background: linear-gradient(var(--mg-emerald), var(--mg-indigo));
  margin: -8px 0 -8px 108px;
}

.mg-plan-head {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  align-items: flex-start;
  flex-wrap: wrap;
  background:
    linear-gradient(100deg, rgba(52, 211, 153, 0.1), rgba(99, 102, 241, 0.1));
}

.mg-check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  max-width: 360px;
  cursor: pointer;
}

.mg-check input {
  margin-top: 4px;
  accent-color: #34d399;
}

.mg-checklist {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mg-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
}

.mg-item:hover {
  border-color: rgba(129, 140, 248, 0.6);
}

.mg-item.is-gap {
  border-color: rgba(251, 191, 36, 0.45);
  background: linear-gradient(90deg, rgba(251, 191, 36, 0.08), var(--panel) 32%);
}

.mg-item.is-stub {
  border-color: rgba(129, 140, 248, 0.5);
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.12), var(--panel) 36%);
}

.mg-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 12px;
  color: #04241a;
  background: var(--mg-emerald);
}

.mg-item.is-gap .mg-mark {
  background: var(--warn);
  color: #2a2106;
}

.mg-item.is-stub .mg-mark {
  background: var(--mg-indigo);
  color: #0b1020;
}

.mg-item h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.mg-item p {
  margin: 0;
}

.mg-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.mg-export-bar {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.mg-pre {
  margin: 0;
  padding: 16px;
  overflow: auto;
  max-height: 480px;
  border-radius: var(--radius);
  border: 1px solid rgba(129, 140, 248, 0.28);
  background:
    linear-gradient(180deg, rgba(16, 185, 129, 0.05), transparent 80px),
    #0b1220;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
}

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

.source-note {
  margin-top: var(--space-3);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(129, 140, 248, 0.35);
  background: rgba(99, 102, 241, 0.1);
  color: var(--text);
}

@media (max-width: 900px) {
  .mg-import,
  .mg-lane,
  .mg-field {
    grid-template-columns: 1fr;
  }

  .mg-lane-meta {
    border-right: 0;
    border-bottom: 1px solid rgba(129, 140, 248, 0.22);
  }

  .mg-arrow {
    margin: 0 auto;
    width: 18px;
    height: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mg-shell *,
  .mg-shell *::before,
  .mg-shell *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .mg-source:hover,
  .mg-upload:hover {
    transform: none;
  }
}