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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #001faa 0%, #05001f 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .container {
            background: white;
            border-radius: 8px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
            width: 100%;
            max-width: 400px;
            padding: 40px;
        }

        .logo {
            text-align: center;
            margin-bottom: 30px;
        }

        .logo h1 {
            color: #333;
            font-size: 28px;
            margin-bottom: 5px;
        }

        .logo p {
            color: #999;
            font-size: 14px;
        }

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

        label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 500;
            font-size: 14px;
        }

        input[type="text"],
        input[type="password"] {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 14px;
            transition: border-color 0.3s;
        }

        input[type="text"]:focus,
        input[type="password"]:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }

        .mensagem-erro {
            background-color: #fee;
            color: #c33;
            padding: 12px;
            border-radius: 4px;
            margin-bottom: 20px;
            font-size: 14px;
            border-left: 4px solid #c33;
        }

        .btn-login {
            width: 100%;
            padding: 12px;
            background: linear-gradient(135deg, #001faa 0%, #05001f 100%);
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
        }

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

        .rodape {
            text-align: center;
            margin-top: 20px;
            color: #999;
            font-size: 12px;
        }
        .link-cad {
            text-align: center;
            margin-top: 20px;
            color: #999;
            font-size: 14px;
        }

        .link-cad a {
            color: #667eea;
            text-decoration: none;
            font-weight: 600;
        }

        .link-cad a:hover {
            text-decoration: underline;
        }

        @media (max-width: 480px) {
            .container {
                margin: 20px;
            }
        }