.login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: linear-gradient(165deg, var(--bg) 0%, #f7f4fa 45%, var(--bg) 100%);
}

.login-card {
  width: min(100%, 24rem);
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  text-align: center;
}

/* NikoDH-big.png = bílý znak na fialovém; nepoužívat -t (bílé na průhledném) */
.login-brand {
  padding: 0;
  margin: 0;
  background: var(--brand);
  line-height: 0;
}

.login-logo {
  width: 100%;
  height: auto;
  margin: 0;
  display: block;
  object-fit: cover;
  vertical-align: top;
}

.login-panel {
  padding: 1.35rem 1.5rem 1.5rem;
  text-align: left;
}

.login-step-title {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  text-align: center;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.login-field input {
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  background: var(--panel);
}

.login-field input:focus {
  outline: 2px solid var(--brand-light);
  border-color: var(--brand);
}

.login-error {
  margin: 0;
  font-size: 0.85rem;
  color: var(--danger);
  text-align: center;
}

.login-page .btn-primary {
  width: 100%;
  margin-top: 0.25rem;
  background: var(--brand);
  color: #fff;
  border: none;
  padding: 0.65rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}

.login-page .btn-primary:hover {
  background: var(--brand-dark);
}

.login-page .btn-primary:disabled {
  opacity: 0.65;
  cursor: wait;
}

#loginStepPassword[hidden],
#loginStepMfa[hidden] {
  display: none !important;
}

#loginStepPassword:not([hidden]) {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

#loginStepMfa:not([hidden]) {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.login-mfa-hint {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.4;
  text-align: center;
}

.login-mfa-backup-hint {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
}

#mfaCode {
  font-size: 1.25rem;
  letter-spacing: 0.2em;
  text-align: center;
}

.login-page .btn-secondary {
  width: 100%;
  margin-top: 0.35rem;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.55rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
}

.login-page .btn-secondary:hover {
  color: var(--text);
  border-color: var(--brand-light);
}

.login-back-btn {
  width: 100%;
}

.login-page .footer {
  margin-top: 2rem;
}