:root { --primary: #1a73e8; --secondary: #00c853; --dark: #37474f; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background: #f4f7f6; display: flex; align-items: center; justify-content: center; height: 100vh; margin: 0; }
.login-container { background: white; padding: 40px; border-radius: 12px; box-shadow: 0 8px 24px rgba(0,0,0,0.1); width: 100%; max-width: 400px; text-align: center; }
.login-container h1 { color: var(--primary); margin-bottom: 10px; font-size: 24px; }
.login-container p { color: #666; font-size: 14px; margin-bottom: 30px; }
.form-group { margin-bottom: 20px; text-align: left; }
.form-group label { display: block; margin-bottom: 5px; color: var(--dark); font-weight: 600; }
.form-group input { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 6px; box-sizing: border-box; }
.btn-login { width: 100%; padding: 12px; background: var(--primary); color: white; border: none; border-radius: 6px; cursor: pointer; font-size: 16px; font-weight: bold; transition: background 0.3s; }
.btn-login:hover { background: #1557b0; }
.footer-text { margin-top: 20px; font-size: 12px; color: #999; }