:root {
  --mtca-primary: #41a7af;
  --mtca-primary-dark: #28777c;
  --mtca-ink: #2c3e54;
  --mtca-muted: #617386;
  --mtca-surface: #ffffff;
  --mtca-surface-soft: #f4f8f9;
  --mtca-border: #d5e3e5;
  --mtca-footer-text: #ddeff0;
  --mtca-shadow: 0 16px 40px rgba(44, 62, 84, 0.12);
  --portal-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
}

html {
  font-size: 16px;
  min-height: 100%;
}

body.portal-body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #f8fbfb 0%, #edf5f6 100%);
  color: var(--mtca-ink);
  font-family: var(--portal-font);
}

a {
  color: var(--mtca-primary-dark);
}

a:hover {
  color: var(--mtca-primary);
}

.site-header {
  background-color: var(--mtca-surface);
  border-top: 5px solid var(--mtca-primary);
  border-bottom: 1px solid var(--mtca-border);
  box-shadow: 0 8px 24px rgba(44, 62, 84, 0.08);
}

.site-header__inner {
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 1rem 0;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  color: var(--mtca-ink);
  text-decoration: none;
}

.site-brand:hover {
  color: var(--mtca-ink);
}

.site-brand__logo {
  width: auto;
  height: 6rem;
  max-width: min(100%, 22rem);
}

.site-brand__divider {
  width: 1px;
  align-self: stretch;
  background-color: var(--mtca-border);
}

.site-brand__title {
  font-size: clamp(1.15rem, 1rem + 0.8vw, 1.65rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.portal-shell {
  flex: 1;
}

.portal-main {
  width: 100%;
  padding-top: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

.portal-card {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background-color: var(--mtca-surface);
  border: 1px solid rgba(65, 167, 175, 0.18);
  border-top: 6px solid var(--mtca-primary);
  border-radius: 18px;
  box-shadow: var(--mtca-shadow);
}

.portal-intro {
  margin: 1rem 0 0;
  max-width: 42rem;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--mtca-muted);
}

.portal-form {
  margin-top: 1.75rem;
}

.portal-form-section + .portal-form-section {
  margin-top: 1.75rem;
}

.portal-form-title {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--mtca-ink);
}

.portal-form-note {
  margin: 0 0 1rem;
  color: var(--mtca-muted);
}

.portal-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
}

.portal-field--full {
  grid-column: 1 / -1;
}

.portal-field .form-label {
  margin-bottom: 0.45rem;
  font-weight: 600;
}

.required-label::after {
  content: " *";
  color: #c51244;
}

.field-validation {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.9rem;
}

.portal-validation-summary {
  margin-bottom: 1.25rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(197, 18, 68, 0.2);
  border-left: 4px solid #c51244;
  border-radius: 0.85rem;
  background-color: #fff0f4;
  color: #91203f;
}

.portal-validation-summary:empty {
  display: none;
}

.portal-form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 2rem;
}

.portal-submit-button {
  min-width: 10rem;
  min-height: 3rem;
  padding-inline: 1.5rem;
  font-weight: 600;
}

.portal-submit-status {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(65, 167, 175, 0.24);
  border-left: 4px solid var(--mtca-primary);
  border-radius: 0.85rem;
  background-color: #eef8f8;
  color: var(--mtca-ink);
}

.site-footer {
  margin-top: auto;
  background-color: var(--mtca-primary-dark);
  color: var(--mtca-footer-text);
}

.site-footer__inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-footer__label {
  white-space: nowrap;
}

.site-footer__logo {
  width: auto;
  height: 20px;
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus,
.form-select:focus {
  border-color: rgba(65, 167, 175, 0.55);
  box-shadow: 0 0 0 0.18rem rgba(65, 167, 175, 0.2);
}

.form-control,
.form-select {
  min-height: 3rem;
  border-color: var(--mtca-border);
  border-radius: 0.6rem;
}

.btn-primary {
  background-color: var(--mtca-primary);
  border-color: var(--mtca-primary);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background-color: var(--mtca-primary-dark);
  border-color: var(--mtca-primary-dark);
}

@media (max-width: 767.98px) {
  .site-header__inner {
    justify-content: center;
    padding: 0.85rem 0;
  }

  .site-brand__logo {
    height: 6rem;
    max-width: min(100%, 20rem);
  }

  .site-brand__title {
    font-size: 1.1rem;
  }

  .portal-main {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
  }

  .portal-form-grid {
    grid-template-columns: 1fr;
  }

  .portal-form-actions {
    justify-content: stretch;
  }

  .portal-submit-button {
    width: 100%;
  }

  .site-footer__inner {
    justify-content: center;
    min-height: 74px;
  }
}

@media (max-width: 575.98px) {
  .site-brand {
    gap: 0.7rem;
  }

  .site-brand__title {
    font-size: 1rem;
  }

  .site-brand__logo {
    max-width: 100%;
  }

  .site-footer__inner {
    gap: 0.5rem;
    font-size: 0.7rem;
  }

  .site-footer__logo {
    height: 18px;
  }
}