* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: #f7f8fa;
  color: #1a1d25;
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 5vw;
}
.card {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.09);
  border-radius: 20px;
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
}
.logo {
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  text-align: center;
}
.logo span { color: #0099cc; }
h1 {
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  text-align: center;
}
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: #6b7280;
}
.form-group input {
  width: 100%;
  background: #f7f8fa;
  border: 1px solid rgba(0,0,0,0.09);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  outline: none;
}
.form-group input:focus { border-color: #0099cc; }
.form-btn {
  width: 100%;
  background: #0099cc;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 0.5rem;
}
.form-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,153,204,0.25); }
.form-btn:disabled { opacity: 0.6; cursor: default; transform: none; box-shadow: none; }
.switch {
  text-align: center;
  font-size: 0.85rem;
  color: #6b7280;
  margin-top: 1.2rem;
}
.switch a { color: #0099cc; text-decoration: none; font-weight: 500; }
.error {
  background: rgba(220,38,38,0.08);
  border: 1px solid rgba(220,38,38,0.25);
  color: #dc2626;
  font-size: 0.85rem;
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  display: none;
}