* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Hind Siliguri', system-ui, sans-serif;
  background: #f5f7fb;
  color: #1a1a1a;
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
}

.login-card {
  background: #fff;
  border-radius: 18px;
  padding: 32px 24px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.logo-circle {
  width: 72px; height: 72px;
  margin: 0 auto 16px;
  background: #0d6efd;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 700;
}

.login-card h1 {
  text-align: center;
  font-size: 22px;
  margin: 0 0 6px;
  color: #0d6efd;
}

.login-card p.sub {
  text-align: center;
  color: #6c757d;
  margin: 0 0 26px;
  font-size: 14px;
}

.field { margin-bottom: 16px; }

.field label {
  display: block;
  font-size: 14px;
  color: #6c757d;
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  border: 1px solid #dce0e6;
  border-radius: 10px;
  background: #fbfcfe;
  font-family: inherit;
  outline: none;
}

.field input:focus {
  border-color: #0d6efd;
  background: #fff;
}

.btn {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary { background: #0d6efd; color: #fff; }
.btn-primary:disabled { opacity: .6; }

.alert {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 14px;
  display: none;
}
.alert.show { display: block; }
.alert-error { background: #fde8e8; color: #b02a2a; }
.alert-success { background: #e6f4ea; color: #1e6b3a; }

.footer-note {
  text-align: center;
  color: #6c757d;
  font-size: 12px;
  margin-top: 22px;
}