/* --------------- Basis-Layout --------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
}

body {
  font-family: system-ui, sans-serif;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg,#1f2937,#0f172a);
  color: #f1f5f9;
}

.login-wrapper {
  width: 100%;
  max-width: 420px;
  padding: 1rem;
}

/* --------------- Card --------------- */
.login-card {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 1rem;
  padding: 2.5rem 2rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.title {
  font-size: 1.6rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 0.5rem;
}

.error {
  color: #f87171;
  background: rgba(248,113,113,0.15);
  padding: 0.4rem 0.8rem;
  border-radius: 0.4rem;
  text-align: center;
  font-size: 0.9rem;
}

/* --------------- Inputs --------------- */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.9rem;
}

.input-group input {
  padding: 0.6rem 0.8rem;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 0.5rem;
  background: rgba(255,255,255,0.05);
  color: #e2e8f0;
  transition: border-color 0.2s;
}

.input-group input:focus {
  outline: none;
  border-color: #38bdf8;
}

/* --------------- Button --------------- */
.btn-primary {
  margin-top: 0.8rem;
  padding: 0.75rem 1rem;
  background: #38bdf8;
  color: #0f172a;
  font-weight: 600;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background 0.25s, transform 0.15s;
}

.btn-primary:hover {
  background: #0ea5e9;
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

/* --------------- Responsive --------------- */
@media (max-width: 420px) {
  .login-card { padding: 2rem 1.5rem; }
}