.runtime-badge {
  display: inline-flex;
  margin-top: 1.25rem;
  padding: .55rem .8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--teal-dark);
  background: var(--white);
  font-size: .86rem;
  font-weight: 800;
}

.auth-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
  margin-top: 2rem;
}

.auth-card,
.operation-panel {
  display: grid;
  gap: 1rem;
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  background: var(--white);
  box-shadow: 0 16px 38px rgba(16, 47, 60, .07);
}

.auth-card h3,
.operation-panel h3 {
  margin-bottom: 0;
  font-size: 1.55rem;
}

label {
  display: grid;
  gap: .45rem;
  color: var(--ink);
  font-size: .92rem;
  font-weight: 750;
}

input,
select,
textarea {
  width: 100%;
  min-height: 2.9rem;
  padding: .72rem .8rem;
  border: 1px solid var(--line);
  border-radius: .8rem;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

textarea {
  resize: vertical;
  min-height: 7rem;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0, 109, 119, .1);
  outline: none;
}

.optional {
  color: var(--muted);
  font-size: .78rem;
  font-weight: 600;
}

.check-row {
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: .7rem;
  color: var(--muted);
  font-weight: 600;
  line-height: 1.5;
}

.check-row input {
  width: 1.1rem;
  min-height: 1.1rem;
  margin-top: .15rem;
}

.workspace-section {
  margin-top: 1rem;
  padding-inline: clamp(1rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: var(--sand);
}

.account-status {
  margin: 1rem 0 0;
  padding: .8rem 1rem;
  border: 1px solid var(--line);
  border-radius: .9rem;
  color: var(--muted);
  background: rgba(255, 255, 255, .8);
}

.operation-panel {
  margin-top: 1rem;
  box-shadow: none;
}

.inline-form {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr auto;
  align-items: end;
  gap: .8rem;
}

.stack-form {
  display: grid;
  gap: .85rem;
  max-width: 760px;
}

.item-card {
  display: grid;
  gap: .45rem;
  margin-top: .75rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: #fff;
}

.item-card p {
  margin-bottom: .4rem;
  color: var(--muted);
  line-height: 1.55;
}

.item-state {
  width: fit-content;
  padding: .25rem .5rem;
  border-radius: 999px;
  color: var(--teal-dark);
  background: #edf7f6;
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .06em;
}

button:disabled {
  opacity: .55;
  cursor: not-allowed;
}

@media (max-width: 900px) {
  .auth-grid,
  .inline-form {
    grid-template-columns: 1fr;
  }
}