:root {
  --danger-bg: #f6dfdf;
  --danger-border: #dfb2b2;
  --danger-text: #7b2d2d;
}

@media (prefers-color-scheme: dark) {
  :root {
    --danger-bg: #4c2525;
    --danger-border: #7e4040;
    --danger-text: #ffd0d0;
  }
}

.nav-link {
  background: var(--panel-bg);
  box-shadow: 0 16px 28px -24px var(--shadow-color);
}

.main-content {
  display: flex;
  align-items: flex-start;
}

.auth-card {
  width: 100%;
  padding: var(--padding-large);
  background: var(--panel-bg);
  border-radius: 20px;
  box-shadow: none;
}

.auth-title {
  margin: 0;
  font-size: 30px;
  line-height: 1.1;
}

.auth-copy {
  margin: 0.95rem 0 0;
  color: rgba(17, 17, 17, 0.85);
  font-size: 16px;
  line-height: 1.7;
}

.error-message {
  margin: 1.25rem 0 0;
  padding: 0.85rem 1rem;
  border-radius: 0.95rem;
  background: var(--danger-bg);
  color: var(--danger-text);
  font-size: 14px;
  font-weight: 600;
}

.auth-form {
  margin-top: 1.5rem;
}

.field-group + .field-group {
  margin-top: 1rem;
}

.field-label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 14px;
  font-weight: 700;
}

.field-input {
  width: 100%;
  min-height: 48px;
  padding: 0.8rem 0.95rem;
  border: 1px solid rgba(17, 17, 17, 0.35);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.4);
  color: #111111;
  font: inherit;
  outline: 1px solid rgba(17, 17, 17, 0.18);
  outline-offset: 0;
}

.field-input:focus {
  outline: 2px solid rgba(17, 17, 17, 0.45);
  box-shadow: none;
}

.submit-row {
  margin-top: 1.25rem;
}

.submit-button {
  width: 100%;
  min-height: 48px;
  padding: 0.85rem 1rem;
  border: 0;
  border-radius: 0.95rem;
  background: #000000;
  color: #ffffff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

@media (prefers-color-scheme: dark) {
  .auth-copy {
    color: rgba(255, 255, 255, 0.85);
  }

  .field-input {
    border: 1px solid rgba(255, 255, 255, 0.45);
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    outline: 1px solid rgba(255, 255, 255, 0.18);
  }

  .field-input:focus {
    outline: 2px solid rgba(255, 255, 255, 0.65);
  }
}

@media (max-width: 560px) {
  .main-content {
    align-items: stretch;
  }

  .auth-card {
    padding: var(--padding-small);
  }
}