:root {
  --primary: #0084ff;
  --secondary: #00d2ff;
  --background: #020617;
  --surface: rgba(15, 23, 42, 0.8);
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --border: rgba(255, 255, 255, 0.1);
  --error: #ef4444;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', sans-serif;
  background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://cndl.org.br/varejosa/wp-content/uploads/2024/07/Gestao-fiscal-no-varejo-como-usar-a-tecnologia-de-modo-estrategico.jpg');
  background-size: cover;
  background-position: center;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: 100vh;
  padding-right: 10%;
  overflow: hidden;
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-card {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  text-align: center;
  animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

h1 {
  font-size: 42px;
  font-weight: 700;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 30px;
}

.alert {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--error);
  color: var(--error);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 20px;
  font-size: 14px;
}

.form-group {
  text-align: left;
  margin-bottom: 20px;
}

label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}

input {
  width: 100%;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  color: var(--text);
  font-size: 15px;
  transition: all 0.2s;
}

input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(0, 132, 255, 0.2);
}

.btn-login {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: none;
  border-radius: 12px;
  padding: 14px;
  color: white;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  transition: transform 0.2s, opacity 0.2s;
  margin-top: 10px;
}

.btn-login:hover {
  transform: scale(1.02);
  opacity: 0.9;
}

.login-footer {
  margin-top: 30px;
  font-size: 12px;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  body {
    justify-content: center;
    padding-right: 0;
  }
  
  .login-container {
    padding: 20px;
  }
}