/* Login-Seite – plain CSS, Design-Tokens + Dark Mode */

.sa-page-body:has(.sa-login-page) {
  background-color: var(--sa-page-bg);
}

.sa-login-page {
  max-width: 80rem;
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.sa-login-card {
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
  border-radius: 1.5rem;
  border: 1px solid var(--sa-border);
  background: var(--sa-surface);
  box-shadow:
    0 20px 45px -18px rgba(26, 53, 78, 0.22),
    0 0 0 1px rgba(15, 23, 42, 0.02);
  color: var(--sa-ink);
}

.sa-login-card__visual {
  display: none;
  position: relative;
  padding: 2.5rem;
  background: var(--sa-surface-muted);
  overflow: hidden;
}

.sa-login-card__visual-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100%;
}

.sa-login-card__visual-inner img {
  width: 118%;
  max-width: none;
  height: auto;
  max-height: 70vh;
  object-fit: contain;
}

.sa-login-card__form {
  padding: 1.5rem;
}

.sa-login-card__form-inner {
  max-width: 28rem;
  margin: 0 auto;
}

.sa-login-brand span {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sa-secondary);
}

.sa-login-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--sa-ink);
}

.sa-login-lead {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--sa-muted);
}

.sa-login-form {
  margin-top: 2rem;
}

.sa-login-form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 480px) {
  .sa-login-form__row {
    grid-template-columns: 1fr 1fr;
  }
}

.sa-login-form > * + * {
  margin-top: 1.25rem;
}

.sa-login-field label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--sa-body-color);
}

.sa-login-page .sa-input,
.sa-login-page input.sa-input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--sa-body-color) !important;
  background-color: var(--sa-surface) !important;
  border: 1px solid var(--sa-border) !important;
  border-radius: 0.75rem;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  -webkit-appearance: none;
  appearance: none;
}

.sa-login-page .sa-input::placeholder,
.sa-login-page input.sa-input::placeholder {
  color: var(--sa-muted);
  opacity: 0.85;
}

.sa-login-page .sa-input:focus,
.sa-login-page input.sa-input:focus {
  border-color: var(--sa-primary) !important;
  box-shadow: 0 0 0 4px rgba(68, 207, 197, 0.15);
}

.sa-login-page .sa-input-error,
.sa-login-page input.sa-input-error {
  border-color: var(--sa-danger) !important;
}

.sa-login-field-error {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  color: var(--sa-danger);
}

.sa-login-alert {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  border-radius: 0.75rem;
  border: 1px solid #fecaca;
  background: #fef2f2;
  color: #991b1b;
}

.sa-login-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sa-login-page .sa-btn-primary,
.sa-login-page button.sa-btn-primary {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--sa-btn-primary-text) !important;
  background-color: var(--sa-btn-primary-bg) !important;
  border: 1px solid var(--sa-btn-primary-border) !important;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.sa-login-page .sa-btn-primary:hover:not(:disabled) {
  background-color: var(--sa-btn-primary-hover-bg) !important;
  border-color: var(--sa-btn-primary-hover-border) !important;
}

.sa-login-page .sa-btn-secondary,
.sa-login-page button.sa-btn-secondary {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--sa-body-color) !important;
  background-color: var(--sa-surface-muted) !important;
  border: 1px solid var(--sa-border) !important;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.sa-login-page .sa-btn-secondary:hover:not(:disabled) {
  background-color: var(--sa-secondary-soft) !important;
}

.sa-login-page .sa-btn-secondary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.sa-login-aside {
  margin-top: 1.5rem;
  padding: 1rem;
  font-size: 0.875rem;
  line-height: 1.55;
  text-align: center;
  color: var(--sa-body-color);
  border: 1px dashed var(--sa-primary);
  border-radius: 0.75rem;
  background: var(--sa-primary-soft);
}

.sa-login-aside__text {
  margin: 0;
}

.sa-login-aside__text + .sa-login-aside__text {
  margin-top: 0.625rem;
}

.sa-login-aside a {
  color: var(--sa-secondary);
  font-weight: 500;
  text-decoration: none;
}

.sa-login-aside a:hover {
  color: var(--sa-ink);
  text-decoration: underline;
}

/* Legacy-Alias */
.sa-login-hint {
  margin-top: 1.5rem;
  padding: 1rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--sa-body-color);
  border: 1px dashed var(--sa-primary);
  border-radius: 0.75rem;
  background: var(--sa-primary-soft);
}

.sa-login-footer {
  margin: 1.5rem 0 0;
  font-size: 0.875rem;
  line-height: 1.5;
  text-align: center;
  color: var(--sa-muted);
}

.sa-login-footer a {
  color: var(--sa-muted);
  text-decoration: none;
}

.sa-login-footer a:hover {
  color: var(--sa-ink);
  text-decoration: underline;
}

/* Dark Mode */
[data-bs-theme="dark"] .sa-login-card {
  box-shadow:
    0 24px 48px -20px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.06);
}

[data-bs-theme="dark"] .sa-login-card__visual-inner img {
  opacity: 0.94;
  filter: saturate(0.92);
}

[data-bs-theme="dark"] .sa-login-page .sa-input:focus,
[data-bs-theme="dark"] .sa-login-page input.sa-input:focus {
  box-shadow: 0 0 0 4px rgba(161, 215, 214, 0.18);
}

[data-bs-theme="dark"] .sa-login-alert {
  border-color: rgba(248, 113, 113, 0.35);
  background: rgba(220, 38, 38, 0.15);
  color: #fee2e2;
}

[data-bs-theme="dark"] .sa-login-page .sa-btn-primary,
[data-bs-theme="dark"] .sa-login-page button.sa-btn-primary {
  color: var(--sa-btn-primary-text) !important;
}

[data-bs-theme="dark"] .sa-login-aside,
[data-bs-theme="dark"] .sa-login-hint {
  border-color: rgba(161, 215, 214, 0.35);
}

@media (min-width: 992px) {
  .sa-login-card {
    grid-template-columns: 1fr 1fr;
  }

  .sa-login-card__visual {
    display: block;
  }

  .sa-login-card__form {
    padding: 3rem;
  }
}

@media (min-width: 1200px) {
  .sa-login-card__form {
    padding: 3rem;
  }
}

/* Role-Gateway (/login/) */

.sa-page-body:has(.sa-login-gateway) {
  background-color: var(--sa-page-bg);
}

.sa-login-gateway {
  max-width: 56rem;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) 0 4rem;
  text-align: center;
}

.sa-login-gateway__intro {
  margin-bottom: 2.75rem;
}

.sa-login-gateway__title {
  margin: 0;
  font-family: "Ubuntu", "Inter", sans-serif;
  font-size: clamp(1.875rem, 4.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--sa-ink);
}

.sa-login-gateway__lead {
  margin: 1rem auto 0;
  max-width: 34rem;
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--sa-muted);
}

.sa-login-gateway__question {
  margin: 0 0 1.75rem;
  font-family: "Ubuntu", "Inter", sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--sa-ink);
}

.sa-login-gateway__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.sa-login-role-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1.5rem 1.75rem;
  border: 2px solid var(--sa-border);
  border-radius: 1.25rem;
  background: var(--sa-surface);
  box-shadow:
    0 20px 45px -22px rgba(26, 53, 78, 0.2),
    0 0 0 1px rgba(15, 23, 42, 0.02);
  text-align: center;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.sa-login-role-card:hover {
  border-color: rgba(68, 207, 197, 0.55);
  box-shadow:
    0 24px 48px -20px rgba(68, 207, 197, 0.22),
    0 0 0 4px rgba(68, 207, 197, 0.08);
  transform: translateY(-2px);
}

.sa-login-role-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 5.5rem;
  height: 5.5rem;
  border-radius: 9999px;
  background: rgba(161, 215, 214, 0.16);
  box-shadow: inset 0 0 0 1px rgba(161, 215, 214, 0.25);
}

.sa-login-role-card__icon img {
  width: 3.25rem;
  height: 3.25rem;
  object-fit: contain;
}

.sa-login-role-card__title {
  margin: 1.25rem 0 0;
  font-family: "Ubuntu", "Inter", sans-serif;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--sa-ink);
}

.sa-login-role-card__text {
  margin: 0.625rem 0 0;
  max-width: 16rem;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--sa-muted);
}

.sa-login-role-card__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 18rem;
  margin-top: 1.5rem;
  padding: 0.8125rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--sa-btn-primary-text) !important;
  text-decoration: none;
  background-color: var(--sa-btn-primary-bg) !important;
  border: 1px solid var(--sa-btn-primary-border);
  border-radius: 0.75rem;
  box-shadow: 0 10px 24px -14px rgba(26, 107, 102, 0.45);
  cursor: pointer;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.15s ease;
}

.sa-login-role-card__btn:hover,
.sa-login-role-card__btn:focus {
  background-color: var(--sa-btn-primary-hover-bg) !important;
  border-color: var(--sa-btn-primary-hover-border);
  color: var(--sa-btn-primary-text) !important;
  box-shadow: 0 14px 28px -12px rgba(26, 107, 102, 0.55);
  transform: translateY(-1px);
}

.sa-login-back {
  margin: 0 0 1rem;
  font-size: 0.875rem;
}

.sa-login-back a {
  color: var(--sa-muted);
  text-decoration: none;
}

.sa-login-back a:hover {
  color: var(--sa-ink);
  text-decoration: underline;
}

[data-bs-theme="dark"] .sa-login-role-card__btn {
  color: var(--sa-btn-primary-text) !important;
}

[data-bs-theme="dark"] .sa-login-role-card {
  background: rgba(255, 255, 255, 0.03);
}

@media (min-width: 768px) {
  .sa-login-gateway__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .sa-login-role-card {
    min-height: 100%;
    padding: 2.25rem 1.75rem 2rem;
  }
}