.page-model-gate {
  --mg-allow: #166534;
  --mg-allow-bg: #f0f7f1;
  --mg-deny: #991b1b;
  --mg-deny-bg: #fbf1f1;
  --mg-panel: #faf9f7;
  --mg-ease: cubic-bezier(0.22, 1, 0.36, 1);
  overflow-x: clip;
}

.page-model-gate .mg-hero {
  padding: 40px 0 32px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.page-model-gate .mg-hero h1 {
  margin: 0 0 16px;
  max-width: 18ch;
  font-size: clamp(2rem, 5vw, 3.125rem);
  font-weight: 700;
  line-height: 1.07;
  letter-spacing: -0.022em;
}

.page-model-gate .mg-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-model-gate .mg-signals {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin: 32px 0 0;
  border-top: 1px solid var(--color-border);
}

.page-model-gate .mg-signals > div {
  margin-top: -1px;
  padding: 16px 24px 0 0;
  border-top: 2px solid var(--color-accent);
}

.page-model-gate .mg-signals dt {
  margin: 0 0 4px;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.page-model-gate .mg-signals dd {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
}

.page-model-gate .mg-workspace {
  display: grid;
  gap: 20px;
  align-items: start;
}

.page-model-gate .mg-panel {
  padding: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  box-shadow: 0 1px 2px var(--shadow-soft);
}

.page-model-gate .mg-panel-head {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.page-model-gate .mg-step {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 6px;
  color: var(--color-accent);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-model-gate .mg-step::before {
  content: "";
  width: 16px;
  height: 2px;
  background: var(--color-accent);
}

.page-model-gate .mg-panel-head h2 {
  margin: 0 0 6px;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.page-model-gate .mg-panel-head p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.55;
}

.page-model-gate .mg-form-grid {
  display: grid;
  gap: 16px;
}

.page-model-gate .mg-field label {
  display: block;
  margin: 0 0 7px;
  color: var(--color-text);
  font-size: 0.8125rem;
  font-weight: 500;
}

.page-model-gate .mg-field select {
  width: 100%;
  min-height: 48px;
  padding: 12px 40px 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-button);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.4;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%231F4B7A' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

.page-model-gate .mg-field select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--focus-ring);
}

.page-model-gate .mg-registry {
  margin-top: 12px;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 10px 10px 0;
  background: var(--mg-panel);
}

.page-model-gate .mg-registry dl {
  display: grid;
  gap: 8px;
  margin: 0;
}

.page-model-gate .mg-registry dl > div {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-model-gate .mg-registry dt {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-model-gate .mg-registry dd {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.45;
}

.page-model-gate .mg-controls {
  margin: 20px 0 0;
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--mg-panel);
}

.page-model-gate .mg-controls legend {
  padding: 0 8px;
  margin-left: -8px;
  font-size: 0.8125rem;
  font-weight: 600;
}

.page-model-gate .mg-control-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.page-model-gate .mg-control {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface);
  cursor: pointer;
  transition: border-color 0.18s var(--mg-ease);
}

.page-model-gate .mg-control:hover {
  border-color: var(--color-accent);
}

.page-model-gate .mg-control input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex: 0 0 auto;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.page-model-gate .mg-control input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.page-model-gate .mg-control span {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.45;
}

.page-model-gate .mg-control em {
  display: block;
  margin-top: 2px;
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  font-style: normal;
  font-weight: 400;
}

.page-model-gate .mg-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-model-gate .mg-privacy-line {
  margin: 16px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  line-height: 1.55;
}

.page-model-gate .mg-empty {
  padding: 32px 24px;
  border: 1px dashed var(--color-border);
  border-radius: 12px;
  background: var(--mg-panel);
}

.page-model-gate .mg-empty p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.page-model-gate .mg-decision {
  display: grid;
  gap: 20px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
}

.page-model-gate .mg-decision.is-allow {
  border-color: rgba(22, 101, 52, 0.35);
  background: var(--mg-allow-bg);
}

.page-model-gate .mg-decision.is-deny {
  border-color: rgba(153, 27, 27, 0.35);
  background: var(--mg-deny-bg);
}

.page-model-gate .mg-verdict {
  justify-self: start;
  padding: 6px 16px;
  border-radius: 8px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #ffffff;
}

.page-model-gate .is-allow .mg-verdict {
  background: var(--mg-allow);
}

.page-model-gate .is-deny .mg-verdict {
  background: var(--mg-deny);
}

.page-model-gate .mg-decision h3 {
  margin: 0 0 6px;
  font-size: 1.1875rem;
  font-weight: 600;
  letter-spacing: -0.012em;
}

.page-model-gate .mg-decision > div > p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.page-model-gate .mg-checks {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-model-gate .mg-checks li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface);
}

.page-model-gate .mg-checks b {
  flex: 0 0 auto;
  min-width: 30px;
  padding: 3px 0;
  border-radius: 6px;
  background: var(--mg-allow);
  color: #ffffff;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-align: center;
}

.page-model-gate .mg-checks li.is-fail b {
  background: var(--mg-deny);
}

.page-model-gate .mg-checks span {
  display: block;
  min-width: 0;
}

.page-model-gate .mg-checks strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.45;
}

.page-model-gate .mg-checks em {
  display: block;
  margin-top: 2px;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  font-style: normal;
}

.page-model-gate .mg-block h4,
.page-model-gate .mg-evidence h4 {
  margin: 0 0 10px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.page-model-gate .mg-obligations {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-model-gate .mg-obligations li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  font-size: 0.8125rem;
  font-weight: 500;
}

.page-model-gate .mg-obligations li span {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.page-model-gate .mg-obligations li.is-met {
  border-color: rgba(22, 101, 52, 0.4);
}

.page-model-gate .mg-obligations li.is-met span {
  color: var(--mg-allow);
}

.page-model-gate .mg-obligations li.is-missing {
  border-color: rgba(153, 27, 27, 0.4);
}

.page-model-gate .mg-obligations li.is-missing span {
  color: var(--mg-deny);
}

.page-model-gate .mg-obligation-none {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.page-model-gate .mg-remediation {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.55;
}

.page-model-gate .mg-evidence {
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface);
}

.page-model-gate .mg-evidence dl {
  display: grid;
  gap: 8px;
  margin: 0 0 16px;
}

.page-model-gate .mg-evidence dl > div {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-model-gate .mg-evidence dt {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-model-gate .mg-evidence dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.page-model-gate .mg-evidence-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-model-gate .mg-proof-note {
  margin: 14px 0 0;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  line-height: 1.5;
}

.page-model-gate .mg-rule-list {
  display: grid;
  gap: 12px;
}

.page-model-gate .mg-rule-list article {
  display: flex;
  gap: 20px;
  padding: 20px 24px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
}

.page-model-gate .mg-rule-list span {
  flex: 0 0 auto;
  color: var(--color-accent);
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 600;
}

.page-model-gate .mg-rule-list h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
}

.page-model-gate .mg-rule-list p {
  margin: 0;
  max-width: 68ch;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.page-model-gate .mg-stack {
  display: grid;
  gap: 12px;
}

.page-model-gate .mg-stack article {
  padding: 20px;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: 12px;
  background: var(--color-surface);
}

.page-model-gate .mg-stack h3 {
  margin: 0 0 4px;
  font-size: 0.9375rem;
  font-weight: 600;
}

.page-model-gate .mg-stack .mg-stack-role {
  margin: 0 0 10px;
  color: var(--color-accent);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-model-gate .mg-stack p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.55;
}

.page-model-gate .mg-stack a {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.8125rem;
  font-weight: 500;
}

.page-model-gate .mg-source-grid {
  display: grid;
  gap: 12px;
}

.page-model-gate .mg-source-grid article {
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
}

.page-model-gate .mg-source-label {
  margin: 0 0 8px;
  color: var(--color-text-secondary);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-model-gate .mg-source-grid h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
}

.page-model-gate .mg-source-grid p {
  margin: 0 0 12px;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.55;
}

.page-model-gate .mg-inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.page-model-gate .mg-inline-links a {
  font-size: 0.8125rem;
  font-weight: 500;
}

.page-model-gate .mg-source-note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  max-width: 76ch;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

.page-model-gate .mg-source-note strong {
  color: var(--color-text);
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 600;
}

.page-model-gate .mg-prose {
  max-width: 64ch;
}

.page-model-gate .mg-prose p {
  margin: 0 0 16px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.page-model-gate .mg-prose p:last-child {
  margin-bottom: 0;
}

@media (min-width: 600px) {
  .page-model-gate .mg-form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-model-gate .mg-field-wide {
    grid-column: 1 / -1;
  }

  .page-model-gate .mg-stack,
  .page-model-gate .mg-source-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-model-gate .mg-hero {
    padding: 64px 0 48px;
  }

  .page-model-gate .mg-panel {
    padding: 32px;
  }
}

@media (min-width: 1000px) {
  .page-model-gate .mg-workspace {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 24px;
  }

  .page-model-gate .mg-result-panel {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-model-gate .mg-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 999px) {
  .page-model-gate .mg-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-model-gate .mg-control {
    transition: none;
  }
}