:root {
  color-scheme: light;
  --arca-primary: #16324F;
  --arca-primary-dark: #0F253D;
  --arca-primary-darker: #091B2D;
  --arca-primary-soft: #E7EEF6;
  --arca-primary-muted: #B7C9DA;
  --arca-secondary: #C9A227;
  --arca-secondary-dark: #A98417;
  --arca-secondary-light: #E3C96B;
  --arca-secondary-soft: #FBF4DB;
  --arca-text: #1f2933;
  --arca-muted: #5f6b7a;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--arca-primary-darker);
  color: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 32px 16px;
  background:
    radial-gradient(circle at 50% 30%, var(--arca-primary) 0%, #112b45 44%, var(--arca-primary-darker) 100%);
}

.auth-shell {
  width: min(420px, calc(100vw - 32px));
  display: grid;
  gap: 20px;
}

.auth-shell.wide {
  width: min(960px, 100%);
}

.auth-logo-wrap {
  display: grid;
  justify-items: center;
  gap: 8px;
}

.auth-logo {
  width: min(320px, 78vw);
  height: auto;
  display: block;
  filter: drop-shadow(0 22px 34px rgba(0, 0, 0, 0.32));
}

.auth-card {
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  padding: 0 4px;
}

.auth-card.wide {
  padding: 0 4px;
}

h1 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 780;
  letter-spacing: 0;
  color: #ffffff;
}

p {
  margin: 0 0 24px;
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.5;
}

label {
  display: grid;
  gap: 9px;
  margin-bottom: 10px;
  font-weight: 650;
  font-size: 14px;
  color: #ffffff;
}

input,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid #b8c2cc;
  border-radius: 6px;
  padding: 11px 12px;
  font: inherit;
  background: #ffffff;
  color: var(--arca-text);
  margin-bottom: 22px;
}

input[type="checkbox"] {
  width: auto;
  min-height: auto;
  margin-bottom: 0;
}

input:focus,
select:focus {
  outline: 3px solid rgba(201, 162, 39, 0.32);
  border-color: var(--arca-secondary);
}

button,
.link-button {
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0 16px;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.auth-card > form > button[type="submit"] {
  width: 100%;
}

.primary,
button[type="submit"] {
  background: var(--arca-secondary);
  border-color: var(--arca-secondary);
  color: var(--arca-primary-darker);
}

.primary:hover,
button[type="submit"]:hover {
  background: var(--arca-secondary-light);
  border-color: var(--arca-secondary-light);
}

.secondary {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.22);
  color: #ffffff;
}

.secondary:hover {
  border-color: var(--arca-secondary);
  background: rgba(201, 162, 39, 0.12);
  color: var(--arca-secondary-light);
}

.secondary-link {
  display: block;
  margin-top: 16px;
  text-align: center;
  color: var(--arca-secondary);
  font-weight: 750;
  text-decoration: none;
}

.secondary-link:hover {
  color: var(--arca-secondary-light);
}

.validation-summary-errors {
  border: 1px solid #d14343;
  background: #fff4f2;
  color: #8f1f1f;
  border-radius: 6px;
  padding: 12px 14px;
  margin-bottom: 18px;
}

.validation-summary-errors ul {
  margin: 0;
  padding-left: 18px;
}

.arca-field-error {
  color: #9b2d22;
  font-size: 12px;
  font-weight: 650;
  margin-top: -14px;
  margin-bottom: 8px;
}

.notice-success {
  border: 1px solid rgba(201, 162, 39, 0.45);
  background: rgba(201, 162, 39, 0.12);
  color: #ffffff;
  border-radius: 6px;
  padding: 12px 14px;
  margin-bottom: 18px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 20px;
}

.step-tab {
  min-height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  padding: 0 10px;
  font-weight: 750;
  color: #ffffff;
  position: relative;
}

.step-tab.active {
  background: var(--arca-secondary);
  color: var(--arca-primary-darker);
  border-color: var(--arca-secondary-dark);
}

.step-tab.error {
  border-color: #c33d2e;
  background: rgba(195, 61, 46, 0.15);
  color: #ff9999;
}

.step-tab.error::after {
  content: '';
  position: absolute;
  top: 8px;
  right: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #c33d2e;
}

.step-tab.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.step {
  display: none;
}

.step.active {
  display: grid;
  gap: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.grid > div {
  display: grid;
  gap: 9px;
}

.grid > label {
  margin-bottom: 0;
}

.check {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  padding: 11px 12px;
  margin-bottom: 0;
}

.actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
}

.actions > div {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

@media (max-width: 760px) {
  .auth-card,
  .auth-card.wide {
    padding: 24px;
  }

  .steps,
  .grid {
    grid-template-columns: 1fr;
  }

  .actions,
  .actions > div {
    flex-direction: column;
  }
}