.login-page {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse at top, rgba(91, 140, 255, 0.18), transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(62, 207, 142, 0.08), transparent 40%),
    var(--bg);
}

.login-card {
  width: min(100%, 400px);
  background: rgba(23, 26, 34, 0.92);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.login-brand {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 1.75rem;
}

.login-brand h1 {
  font-size: 1.65rem;
  letter-spacing: -0.03em;
}

.login-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.login-form {
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.field input {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input:focus {
  border-color: rgba(91, 140, 255, 0.7);
  box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.18);
}

.login-error {
  min-height: 1.25rem;
  color: #ff9b9b;
  font-size: 0.9rem;
}

.btn-primary {
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, #5b8cff, #3f6fe0);
  color: white;
  font-weight: 600;
  padding: 0.95rem 1rem;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease, filter 0.12s ease;
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}